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 (3‑5µm) 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.
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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.
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.
Clip-and-can system with no hand soldering required
Easy removal and replacement for maintenance or upgrades
Support for automated, high-volume PCB assembly
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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.
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:
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.
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.
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
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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.
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.
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.
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Firstohm MM(P) Metal Film MELF Resistors – High Pulse, High Reliability SMD Solutions
Compact, robust, and precision-engineered resistors for demanding electronic applications.
The Firstohm MM(P) Metal Film MELF Resistor offers high pulse withstanding capability, superior heat dissipation, and excellent mechanical stability in a compact SMD package. Designed to meet the stringent demands of modern electronics, these resistors are ideal for applications where reliability, precision, and durability are critical. From automotive circuits to industrial and communication devices, the MM(P) series ensures consistent performance under extreme conditions.
Key Features
High Pulse Withstanding – capable of handling electrical surges without performance degradation.
Superior Thermal Performance – efficiently dissipates heat to maintain stability in high-temperature environments.
Robust Mechanical Strength – resists vibration and thermal shock for long-term reliability.
Wide Resistance Range – 0.1 Ω to 330 kΩ with ±1%, ±2%, ±5% tolerances.
Compact MELF SMD Package – easy to integrate into space-constrained PCB designs.
Applications & Target Markets
The MM(P) series is suitable for a wide range of electronics applications, including:
Automotive electronics (ECUs, sensors, power modules)
Industrial control systems
Communication devices
High-performance power supplies and instrumentation
Any application requiring reliable resistors under high pulse, thermal, or mechanical stress
Get the Full Firstohm MM(P) Metal Film MELF Resistors Datasheet
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Compact, high-reliability, and engineered for demanding applications, Firstohm MM(P) Metal Film MELF Resistors deliver consistent performance under stress, making them the perfect choice for automotive, industrial, and high-performance electronic designs.
Product in Action: Autosport Data Acquisition Shunt
High-reliability connectivity for Formula Student data-logging systems
In Formula Student racing, accurate and reliable data is critical to improving vehicle performance. Data acquisition shunt systems collect signals from key vehicle subsystems, enabling teams to analyze performance, optimize design, and make informed engineering decisions. Connector reliability plays a vital role in ensuring uninterrupted data and power transmission in demanding motor-port environments.
Key Features
Compact and lightweight connector solutions
High resistance to vibration and mechanical stress
Reliable signal and power integrity
Suitable for space-constrained electronic assemblies
Ideal for performance in motorsport applications
Application
Formula Student race cars
Data acquisition and logging systems
ECU, steering, and gearbox monitoring
Markets:
Motorsports
Automotive engineering education
Student racing teams and R&D projects
Engineering Background
Formula Student vehicles operate in high-vibration, high-stress environments where space and weight are tightly controlled. Components must be readily available, easy to integrate, and capable of delivering consistent electrical performance. Off-the-shelf connectors that combine compact design with proven durability are essential to meet these engineering challenges.
Harwin Solution
Harwin provides a reliable interconnect solution using:
Together, these connectors meet vibration requirements while offering excellent performance-to-size ratio, making them ideal for motorsport data acquisition systems.
Designing a motorsport data acquisition system?
Let our team help you select the right Harwin connector solution for your application.
Harwin’s Gecko and Datamate Mix-Tek connectors deliver compact, high-reliability signal and power connectivity for Formula Student data acquisition shunt systems. Built to withstand vibration and space constraints, they are a trusted choice for high-performance autosport applications.
Product in Action: Contactless Body Temperature Measurement
Precision connectivity supports reliable thermal imaging and non-contact medical screening systems.
Contactless body temperature measurement is widely used for fast, non-invasive health screening in public and medical environments. Thermal imaging systems enable accurate temperature detection without physical contact, supporting efficient monitoring in high-traffic areas.
Behind these systems, reliable fine-pitch connectivity is essential to ensure accurate data transfer, stable performance, and precise mechanical alignment within compact device designs.
Key Features
5mm pitch connectivity for compact medical devices
Raised shoulder design for precise board-to-device alignment
Reliable electrical performance for accurate temperature data capture
Space-saving form factor for constrained PCB layouts
Application
Thermal imaging devices
Fever screening systems
Non-contact medical monitoring equipment
Markets:
Healthcare and medical devices
Public safety and access control
Transportation hubs and public facilities
Engineering Background
Thermal imaging systems identify elevated body temperature by detecting heat at specific facial reference points, such as the inner corner of the eye. These devices rely on precise internal alignment and stable electrical connections to ensure measurement accuracy and consistent system performance.
The Challenge
Engineers require a 0.5mm pitch socket similar to existing sub-miniature solutions, but with a raised shoulder to meet specific board-to-device positioning requirements. Standard connectors could not provide the required mating height while maintaining a compact footprint.
Harwin Solution
Harwin developed a customized variation of the H3155 sub-miniature socket, featuring a shoulder positioned further down the socket body. This design raises the mating face to the required height, ensuring precise alignment, reliable connectivity, and compatibility with space-constrained medical device designs.
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Reliable internal connectivity plays a vital role in the performance of all-in-one ventilator units. Harwin’s Archer IDC connectors help engineers achieve compact, lightweight, and dependable designs — supporting continuous patient care in portable medical environments
Walsin Automotive MLCC Solutions — Built for Extreme Reliability
Durable Components for Extreme Conditions
When it comes to automotive electronics, failure is not an option. From EV systems to critical control units, every component must perform—no matter the environment.
Walsin Automotive MLCCs (Multilayer Ceramic Capacitors) are engineered to deliver stable, high-reliability performance under extreme heat, constant vibration, and long operating cycles.
Whether you’re developing next-generation EV platforms or enhancing conventional systems, Walsin MLCC solutions ensure your designs stay robust, efficient, and dependable.
Key Features
✅ AEC-Q200 Qualified Reliability Designed and tested to meet stringent automotive standards, ensuring consistent performance under harsh environmental and electrical conditions — giving engineers confidence in long-term deployment without unexpected failures.
🌡️ High Temperature Stability Maintains stable capacitance and electrical performance even under extreme temperature fluctuations — ideal for under-the-hood and high-power automotive applications where thermal stress is unavoidable.
🔧 Anti-Vibration Design Engineered to withstand continuous mechanical stress and vibration, reducing the risk of cracks or failure in demanding automotive environments — ensuring system reliability even on rough terrain.
⏳ Long-Term Durability Built for extended operational lifecycles with minimal degradation over time — helping reduce maintenance requirements and ensuring stable performance across the entire lifespan of the vehicle.
📦 Compact, High-Density Design Optimized for space-constrained PCB layouts, enabling efficient circuit design without compromising performance — perfect for modern automotive electronics where miniaturization is critical.
Applications & Target Markets
Built for the systems driving the future of mobility:
⚡ Electric Vehicles (EV) & Charging Systems
🚗 ADAS & Safety Systems
🔋 Battery Management Systems (BMS)
🎛️ Infotainment & Connectivity
⚙️ Powertrain & ECU
Ideal for: Automotive OEMs, Tier 1 suppliers, and EV innovators.
Get the Full Walsin Automotive MLCC Datasheet
Access detailed specifications, performance data, and application insights to support your automotive designs
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Walsin Automotive MLCC solutions deliver high reliability, thermal stability, and robust performance — all in a compact, automotive-grade design built for real-world conditions. Engineered to meet AEC-Q200 standards, they are trusted components for today’s increasingly complex vehicle electronics.
With iConnexion Asia as your local distribution partner, you get more than just components. You gain access to ready stock, responsive support, and a team that understands your application requirements from design to deployment.
When your automotive systems demand performance you can depend on — Walsin Automotive MLCC delivers.
