Powering the Road Ahead: High-Reliability Connectors for Electric Vehicle Applications 

In electric vehicle systems, every component must perform without compromise — not just at launch, but across hundreds of thousands of kilometers of real-world driving. 

From extreme under hood temperatures and constant motor vibration to high-cycle board mating in mass production environments, connector reliability is everything. This is where Harwin’s Kontrol connector range delivers. 

 

Built for the Heat of the Road 

Inside every EV is an inverter — the critical component that converts DC battery power into AC for the electric motor. The control boards inside operate under relentless thermal and mechanical stress throughout the full life of the vehicle. 

Harwin Archer Kontrol connectors are engineered to provide: 

• Proven reliability in high-temperature automotive environments 

• Resistance to shock, vibration, and thermal cycling 

• Long-term durability for vehicle lifetime performance 

These connectors are trusted in applications where a single failed connection can bring a vehicle to a stop.

Supporting Both Inverter Control and Power Board Applications 

EV drivetrains depend on consistent signal integrity and power continuity across multiple control systems. 

Harwin Kontrol connectors support: 

• Inverter control boards — maintaining clean signal transmission under motor load 

• Power distribution modules — ensuring stable connections across the drivetrain 

This dual capability makes them ideal for complete EV powertrain integration. 

 

Kontrol Series – Optimised for EV Inverter Applications 
Designed for demanding board-to-board connections in automotive environments: 

• Positive locking board-to-board mating mechanism 

• Rated to 125°C continuous operating temperature 

• Withstands automotive shock, vibration, and thermal cycling
   

Typical Applications: 

• EV inverter control boards 

• Motor drive assemblies 

• Automotive power distribution systems 

BBi Range – Industrial Performance at the Right Price 

For high-volume EV manufacturing, the BBi Range delivers: 

• Same high-reliability performance — priced for mass production 

• Consistent quality across large-scale automotive supply chains 

• Long-term product availability for the full vehicle lifecycle 

Ideal for: EV manufacturers & automotive assembly lines 

 

Built for Automotive. Proven Where It Matters. 

Harwin Kontrol connectors are engineered for electric vehicle applications and proven to perform in the harshest underhood environments. From extreme temperatures and constant vibration to high-cycle production demands, these connectors deliver consistent performance where failure is not an option. 

 

The Right EV Starts With the Right Connection

Discover how Harwin Kontrol supports reliable EV drivetrain performance under heat, vibration, and electrical stress.

Access the full application guide and technical specifications used by engineering teams evaluating high-reliability EV connector solutions.

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Summary

Electric vehicles are no longer the future — they are the present. As EV adoption accelerates globally, the demand for components that can keep up with the pace of innovation has never been higher.

Harwin Kontrol connectors are designed to meet that demand head-on. Whether you are at the design stage, scaling up production, or looking to future-proof your EV platform, Archer delivers the reliability, thermal performance, and long-term availability your application requires.

Because at the end of the day, a vehicle is only as reliable as its weakest connection.

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Propulsion & Power Management for Advanced UAV & VTOL Systems

Component solutions supporting stable power, thermal performance and precision control in aerial platforms.

Advanced aerial platforms such as UAVs and VTOLs require reliable electronic components to support propulsion, power management and onboard control systems.

From propulsion systems and flight controllers to compact power electronics, every component plays an important role in helping engineers build efficient, lightweight and reliable aerial platforms for demanding environments.

iConnexion supports UAV and VTOL development with component solutions from trusted technology partners, covering energy storage, thermal management, resistors, rugged interconnects, timing components, and passive components for power electronics applications.

 

Application

UAV and VTOL propulsion and power management systems are used across a wide range of advanced aerial platforms, including:

• Commercial drones
• Industrial inspection UAVs
• Delivery and logistics drones
• eVTOL and urban air mobility platforms
• Defence and surveillance UAVs
• Agricultural and mapping drones
• Autonomous aerial systems

These applications require components that support reliable power delivery, compact design, thermal control and electrical stability across propulsion and onboard electronics.

 

Engineering Background

In UAV and VTOL platforms, propulsion and power management systems work together with flight control, sensing and communication electronics.

The power system must support energy delivery, voltage regulation, filtering, signal stability and heat dissipation across multiple electronic subsystems.

This may involve several key component technologies, including:

• Supercapacitors for peak power and hold-up support
• Thermal gap fillers for compact power electronics
• MELF resistors for stable circuit performance
• Rugged connectors for high-power and vibration-prone connections
• Precision oscillators for timing and clock stability
• MLCCs and inductors for filtering and power regulation support

Together, these components help support the performance and reliability of UAV and VTOL electronic systems.

 

The Challenge

Designing electronics for UAV and VTOL platforms presents several engineering challenges:

• Maintaining stable power management in compact designs
• Supporting peak power demand in aerial electronics
• Managing heat in dense electronic assemblies
• Ensuring reliable connections under vibration and shock
• Supporting timing stability for control and communication systems
• Reducing electrical noise through filtering and decoupling
• Balancing performance, weight and reliability requirements

Engineers must carefully select components based on electrical performance, mechanical durability, thermal behaviour, size constraints and system-level requirements.

iConnexion Solution

iConnexion supports UAV and VTOL propulsion & power management development with component solutions from six trusted technology partners:

1. CAP-XX – Prismatic Supercapacitors

• Ultra-thin energy storage for compact aerial electronics
• Supports peak power and hold-up power requirements
• Suitable for lightweight and space-constrained UAV designs

2. Fujipoly – High Performance Gap Fillers

• High thermal conductivity for compact power electronics
• Gap-filling properties improve heat transfer efficiency
• Supports thermal management in UAV electronic assemblies

3. Firstohm – MELF Resistors

• Reliable performance in demanding power circuits
• Suitable for ESC, PDU and BMS-related applications
• Supports stable operation under harsh environments

4. Harwin – Kona HRi Connectors

• Rugged high-current connectors for UAV power systems
• Designed for vibration and shock-prone environments
• Compact and reliable interconnects for aerial platforms

5. Taitien – Ultra-Low Phase Noise OCXO

• Precision timing support for UAV control systems
• Stable clock performance under demanding conditions
• Suitable for communication and navigation electronics

6. Walsin – MLCC & Inductors

• Supports filtering and power regulation functions
• Provides stable decoupling for power electronics
• Suitable for compact UAV electronic systems

 

Download the UAV & VTOL Application Brief

To explore the full Advanced Aerial Systems block diagram and discover recommended component solutions for propulsion & power management applications, download our application brief.

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Summary

As UAV and VTOL platforms continue to advance, reliable electronic components play an important role in supporting propulsion, power management, control and onboard system performance.

Through technology partners such as CAP-XX, Fujipoly, Firstohm, Harwin, Taitien and Walsin, iConnexion helps engineers source component solutions for advanced aerial platforms — from energy storage and thermal management to rugged connectivity, precision timing and passive components.

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Precision Pannut Spacer for Reliable PCB Assembly

High‑quality SMT Pannut Spacer to Maintain Accurate PCB Support

The MMS‑B30M14D241515T pannut spacer is designed to provide stable and precise spacing in PCB assemblies and mechanical fixtures. Engineered with robust surface plating and SMT boss design, this spacer ensures durable performance across various industrial and electronics applications.

Key Features

• SMT boss design for surface‑mount stability
• Matte tin finish (3‑5 µm) over nickel for corrosion resistance
• Compact height above PCB: 1.5 mm
• Through hole diameter 2.4 mm with M size 1.4 and 0.3 mm screw pitch
• Wide operating temperature range: –40 °C to 150 °C
  
  

Application and Market

The MMS‑B30M14D241515T pannut spacer is ideal for maintaining critical spacing in:

• PCB hardware assemblies
• Consumer electronics
• Industrial automation systems
• Robotics and IoT devices
• Automotive electronic modules

Pannut spacers are widely used where precise positioning and mechanical support are required during assembly and in finished products.

Download Technical Drawing
Download Technical Drawing for detailed dimensions, tolerances, and assembly guidelines.

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Summary 

The pannut spacer offers robust SMT mounting and precise dimensional control for demanding PCB assemblies. With its corrosion‑resistant finish and broad operating range, it’s a versatile choice for electronics, industrial, and mechanical applications where reliable spacing and support are essential.

 

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Product in Action: Smart Gas Meter 

Compact EMC shielding for in-home gas metering systems

Smart gas meters operate in space-constrained enclosures while requiring reliable EMC and RF performance to ensure accurate data transmission. EZi shielding solutions from Harwin provide effective board-level EMC protection without secondary soldering, helping designers maintain compact layouts while improving assembly efficiency and long-term reliability. Reliable shielding is essential to minimise interference, simplify maintenance, and support stable metering performance. 

 

Key Features: 

• Compact, low-profile EMC shielding for space-constrained designs 

• No secondary soldering operations, reducing heat damage risk 

• Removable shield cans for easy rework and maintenance 

• SMT retention clips supplied tape-and-reel for automated assembly 
• Flexible can sizes and heights to suit different PCB layouts 

 

Applications: 

• In-home gas meters 

• Smart utility metering systems 

• Compact wireless metering electronics 

Markets 

• Utility providers 

• Smart infrastructure projects 

• Meter manufacturers and system integrators 

Engineering Background: 

Smart gas meters contain sensitive electronics such as wireless modules, processors, and communication interfaces that must operate reliably in electrically noisy environments. Traditional soldered shielding solutions can complicate assembly and rework. Compact, removable shielding solutions help protect critical circuitry while supporting efficient manufacturing and long-term serviceability. 

 

Harwin Solution: 

Harwin’s EZi shielding solutions deliver: 

• Effective board-level EMC and RF protection 

• Clip-and-can system with no hand soldering required 

• Easy removal and replacement for maintenance or upgrades 

• Support for automated, high-volume PCB assembly 

 

📄 Download the EMC Shielding Datasheet

Get the full technical specification — including electrical characteristics, mechanical dimensions, PCB footprint, ordering guide, and application notes — free and instant. 

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Summary 

Harwin EZi shielding solutions provide compact, reliable, and service-friendly EMC protection for smart gas meters. Designed for space-constrained electronics and efficient manufacturing, they support long-term performance in modern utility metering systems. 

 

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Powering the Brain of the Electric Vehicle — VCU & ADAS Systems

Smart components for smarter EVs — from power switching to precision sensing.

Electric vehicles (EVs) are becoming increasingly intelligent, relying not only on efficient power conversion but also on advanced control and sensing capabilities. Two critical subsystems driving this intelligence are the Vehicle Control Unit (VCU) and Advanced Driver Assistance Systems (ADAS).

The VCU acts as the central brain of the EV — coordinating power distribution, managing communication between subsystems, and ensuring the vehicle responds safely and accurately to driver inputs in real time. ADAS, on the other hand, enhances vehicle safety and automation through technologies such as radar, LiDAR, cameras, and high-precision positioning — enabling features like lane keeping, automatic emergency braking, and adaptive cruise control.

To ensure reliable operation, these systems require high-performance electronic components capable of handling high-frequency switching, precision timing, stable power delivery, and robust mechanical connections in demanding automotive environments.

 

Application

VCU and ADAS systems are widely used across various electric and intelligent mobility platforms, including:

• Battery Electric Vehicles (BEV)
• Hybrid Electric Vehicles (HEV)
• Plug-in Hybrid Electric Vehicles (PHEV)
• Electric buses and commercial vehicles
• Autonomous and semi-autonomous vehicle platforms
• Vehicle-to-Everything (V2X) connected mobility systems

These applications demand components that deliver precision, durability, and electrical stability under harsh operating conditions — from extreme temperatures to mechanical vibration and high-frequency electromagnetic environments.

 

Engineering Background

In a modern EV architecture, the VCU manages multiple critical functions simultaneously — including DC-DC power conversion, CAN bus communication, battery management coordination, and motor torque control. Alongside it, ADAS relies on a network of sensors, processors, and communication modules that must operate with precise timing and stable power at all times.

This process requires multiple supporting components, including:

• Power switching devices for efficient DC-DC conversion within the VCU
• Reliable connectors and press-fit interconnections for secure electrical and mechanical integration
• High-precision GNSS and LTE antennas for positioning and V2X connectivity
• Automotive-grade passive components for signal stability and power regulation in ADAS circuits
• Thermal management materials for heat dissipation in ADAS processing units
• Crystal oscillators for precise timing and synchronisation of radar and LiDAR sensors

Each component plays a crucial role in maintaining system efficiency, safety, and long-term reliability across the entire VCU and ADAS architecture.

 

The Challenge

Designing VCU and ADAS systems for electric vehicles presents several engineering challenges:

• Managing high-voltage DC-DC power conversion efficiently within the VCU
• Ensuring precise and stable timing signals for radar and LiDAR synchronisation
• Maintaining reliable electrical connections under vibration, shock, and thermal cycling
• Providing high-precision positioning for V2X and autonomous driving functions
• Stabilising power delivery to ADAS SoCs and sensor modules under varying load conditions
• Protecting circuits from transient voltage events across multiple voltage domains

Engineers must carefully select components that meet these demanding performance, reliability, and automotive qualification requirements.

 

iConnexion Solution

iConnexion supports EV VCU and ADAS system development with a trusted ecosystem of components from six leading brands:

1. DACO Semiconductor – SiC MOSFET

• High-efficiency power switching for VCU DC-DC converters
• Handles high voltage (650V/1200V) and high current in demanding EV power stages
• Low RDS(on) and fast switching reduce power losses and heat generation

2. Harwin Solution – Press-Fit Pins

• Secure, vibration-resistant interconnections for VCU power module PCBs
• Solderless press-fit technology ensures reliable contact under mechanical stress
• Compact design suitable for space-constrained automotive electronics

3. PCTEL – Multi GNSS + LTE Antenna

• High-precision multi-constellation GNSS positioning for V2X connectivity
• Integrated LTE antenna supports real-time vehicle communication
• Designed for automotive-grade durability and consistent RF performance

4. Walsin – Automotive MLCC (Multilayer Ceramic Capacitors)

• AEC-Q200 certified for automotive reliability
• Provides stable decoupling and energy storage in ADAS circuits
• Wide temperature range performance for demanding under-hood environments

5. Fujipoly – SARCON Thermal Pads

• Excellent thermal conductivity for heat dissipation in ADAS SoC and processor modules
• Gap-filling properties reduce interface thermal resistance
• Reliable performance under extreme automotive temperature cycles

6. Taitien – Crystal Oscillator

• Precise frequency reference for radar and LiDAR synchronisation
• Stable timing output under automotive temperature and vibration conditions
• Supports accurate timing requirements in ADAS sensor fusion systems

 

Get Started with iConnexion

Ready to evaluate components for your VCU or ADAS design? Our team is here to help — whether you need a sample to test or engineering advice to get started.

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Summary

As electric vehicles evolve toward greater intelligence and autonomy, the demand for high-performance, reliable components across VCU and ADAS systems continues to grow.

By combining proven technologies from DACO Semiconductor, Harwin, PCTEL, Walsin, Fujipoly, and Taitien, iConnexion helps engineers design safe, efficient, and high-performance EV control and sensing systems — from power switching to precision timing, connectivity, and thermal management — supporting the next generation of electric and autonomous mobility.

 

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Rugged Connectors for EV Charging Stations

Rugged, high-reliability board-to-board connectors for outdoor EV charging infrastructure 

Public EV charging stations operate in demanding operating environments where temperature fluctuations, humidity, and continuous usage can impact system reliability. Connector systems must ensure stable power delivery and secure board-to-board communication to minimize downtime and maintenance costs. 

Kontrol connectors are designed to deliver reliable electrical performance, controlled mating height, and durable mechanical stability for long-term EV infrastructure applications. 

 

Key Features: 

• durable connectors for long-term use in EV applications 

• Reliable performance under extreme temperature variations 

• Optimized board-to-board spacing for easy integration 

• Easy maintenance for reduced operational downtime 

• Cost-effective specifications without compromising quality 

 

Application and Market: 

Applications: 

• Public parking bays 

• Commercial and office EV charging stations 

• Urban streets and outdoor installations 

Market: 

• EV infrastructure providers 

• Smart city projects 

• Commercial property owners and developers 
  
  

Engineering Background: 

Outdoor EV charging stations are exposed to extreme temperatures, moisture, and frequent connection cycles. Connectors must maintain electrical integrity, resist environmental stress, and support easy service. Selecting connectors with durable materials, stable contact performance, and optimized board spacing helps ensure long-term operational reliability. 

Harwin Solution: 

Harwin’s Kontrol connectors deliver: 

• Long-term durability under temperature and environmental variations 

• Consistent performance in outdoor, high-use applications 

• Correct mated height and optimized board-to-board spacing 
• Cost-effective, reliable solution for EV charging systems
   

📄 Download the Kontrol Connectors Datasheet

Access detailed product specifications, mechanical dimensions, and application guidance to support your design requirements.

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High-Performance SiC MOSFET for Next-Generation Power Systems

Compact, robust, and precision-engineered for demanding high-efficiency power conversion applications.

The DACO SiC MOSFET delivers ultra-low on-state resistance of 25mΩ, fast switching capability, and robust thermal performance in a compact Toll-8 package. Designed for high-frequency, high-efficiency power systems, it offers significant advantages over conventional Silicon devices — lower switching losses, higher thermal tolerance, and a simpler gate drive requirement. Whether you are designing for EV charging, server power, or industrial DC-DC conversion, this SiC MOSFET delivers the performance and reliability your application demands.

Key Features

✅ 650V Blocking Voltage with Low R DS(on) of 25mΩ – high voltage capability combined with ultra-low conduction resistance, directly reducing power dissipation and improving overall system efficiency.

✅ Simple -4V/+15V Gate Drive – compatible with standard SiC gate drivers, reducing design complexity and BOM cost without the need for specialised circuitry.

✅ High-Speed Switching with Low Capacitance – C iss of 2500pF and C rss of just 8pF enable fast, clean switching transitions for high-frequency power conversion designs.

✅ Robust Body Diode with Low Q rr – reverse recovery charge of 240nC and recovery time of 56ns, making it well-suited for hard-switching topologies such as full-bridge and totem-pole PFC converters.

✅ Avalanche Tested — 1200mJ Rated – 100% avalanche tested with a single-pulse energy rating of 1200mJ, ensuring reliable protection against inductive load transients in real-world applications.

Applications & Target Markets

The DAC025N065LZ3 is suitable for a wide range of high-power applications, including:

• Server and telecom power supplies
• EV/HEV charging stations
• On-board chargers (OBC)
• Energy storage systems (ESS)
• High-performance DC-DC converters
• Battery management systems (BMS)
• Any application requiring efficient, reliable switching under high voltage and thermal stress
  
  

Get the Full DACO SiC MOSFET Datasheet

Access detailed specifications, performance data, and application insights to support your power electronics designs.

👉 Complete the form below to access the DACO Silicon Carbide Enhancement Mode MOSFET datasheet. Get instant access to detailed specifications and performance insights for your next design.

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Summary

Compact, high-efficiency, and built for demanding power applications, the DACO SiC MOSFET delivers consistent performance under high voltage, high current, and extreme thermal conditions — making it the ideal choice for EV charging, server power, energy storage, and high-frequency power conversion designs.

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Staying Connected Beyond the Atmosphere: High-Reliability Connectors for Satellite Applications

In satellite systems, every component must perform flawlessly — not just once, but continuously over years of operation in some of the harshest environments imaginable.

From extreme temperatures and high vibration during launch to the vacuum and radiation of space, connector reliability is critical. This is where Harwin’s Gecko connector range delivers exceptional performance.

Built for Missions Measured in Years

In space applications, failure is simply not an option.

Harwin interconnect solutions are engineered to provide:

• Proven reliability in vacuum and radiation environments
• Resistance to extreme temperature variations
• Long-term durability for mission-critical systems

These connectors are trusted in applications where performance must remain stable from launch through to end-of-life.

Supporting Both Payload and Thruster Systems

Satellite systems rely on consistent signal integrity and power continuity across multiple subsystems.

Harwin Gecko connectors support:

• Payload systems – including cameras, imaging, and telemetry circuits
• Thruster systems – ensuring stable connections within propulsion assemblies

This dual capability makes them ideal for complete satellite integration.

Gecko-SL Series – Optimized for Payload Applications

Designed for compact, high-performance signal transmission:

• Secure, low-profile latching mechanism
• Excellent signal clarity for imaging and telemetry
• High resistance to vibration and temperature extremes

Typical Applications:

• Payload cameras
• Imaging systems
• Telemetry circuits
  
  

Built for Space. Proven in Demanding Environments.

Harwin’s high-reliability connectors are engineered for space applications and proven to perform in the most demanding environments. From extreme temperatures and high vibration to vacuum and radiation conditions, these connectors deliver consistent performance where failure is not an option.

📄 Request a Sample – Harwin Gecko Connectors

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