High-performance silicon, optimized Rdson, and robust gate driving capabilities for micro-mobility BLDC motor controllers.
Silicon MOSFET Models
Advanced Package Types
Voltage Coverages
Industrial Automotive Qualification
Achieving high efficiency, thermal resilience, and extended range through next-generation power semiconductor distribution.
The global shift toward micro-mobility has placed electric scooters at the forefront of urban logistics and personal transportation. The performance, range, and reliability of these vehicles are heavily dependent on their internal power conversion systems, specifically the Brushless DC (BLDC) motor controller and the Battery Management System (BMS). At the core of these assemblies are power Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs), which dictate system switching speeds, conduction losses, and thermal margins.
For global distributors, sourcing the correct technology routes is vital. Standard designs are no longer sufficient to handle the rigorous, dynamic loads of heavy-duty commuter and utility e-scooters. WINSOK’s latest MOSFET product lines, ranging from 15V to 650V in advanced packages like DFN5X6-8 and TO-220, address these engineering bottlenecks. Distributed exclusively by HONGKONG Olukey INDUSTRY CO., LIMITED, these components offer system designers the raw performance, high-current density, and reliability required to survive harsh outdoor environments.
Analyzing low-RDS(on), dynamic switching parameters, and thermal dissipation metrics across different topologies.
Conduction loss is determined by the internal drain-to-source on-resistance (RDS(on)) when the gate is fully turned on. Our latest design models, such as the WSD30150DN56 (30V 150A) and the WSD220N06DN56 (60V 220A), implement trench-gate technologies to optimize charge carrier densities, drastically lowering thermal dissipation during high-current acceleration phases in e-scooters.
Dynamic loads can stress silicon dies, leading to thermal runaway. WINSOK utilizes high-thermal conductivity packages like the DFN5X6-8L, TO-220F-3L, and DFN3x3-8. These packages feature bottom-side exposed metal pads that direct heat straight into the PCB ground planes or heatsinks, maintaining junctions below critical operating levels.
Switching speeds inside motor controller drivers directly impact energy conversion efficiency. By reducing the Miller gate charge (Qgd) and gate-to-source charge (Qgs), these MOSFETs switch rapidly between ON/OFF states, reducing transient energy losses and minimizing EMI noise emissions across 24kHz switching frequencies.
Learn how HONGKONG Olukey INDUSTRY CO., LIMITED ensures global component availability and comprehensive support.
HONGKONG Olukey INDUSTRY CO., LIMITED is a solution provider focusing on the overall solution of electronic product components. The main products mainly include: WINSOK MOSFET, Cmsemicon MCU, PCBA circuit board solution development and other three types of product lines.
At present, the products of Olukey Industry are widely used in automotive electronics, military electronics, smart industry, new energy, smart medical care, 5G, Internet of Things, smart home, and various consumer electronics products. Relying on the advantages of global general agents of major original factories, we are based in the Asia-Pacific market. Provide customers with various advanced high-tech electronic components by using comprehensive superior services, assist manufacturers in producing high-quality products and provide comprehensive services.
Robust distribution channels, technical depth, and reliable chipsets.
We use comprehensive high-quality services to provide customers with various types of advanced high-tech electronic components, assist manufacturers in producing high-quality products and provide comprehensive services. Over the years, the company has relied on reputation to survive, adhering to the tenet of "quality first, service first", and has established good cooperative relationships with many high-tech enterprises and original manufacturers at home and abroad.
Relying on the advantages of global general agents of major original manufacturers, we are based on the Asia-Pacific market. Through active market development and effective resource integration, it has become one of the outstanding and fast-growing agents in the Asia-Pacific region. The company has many years of professional distribution experience. We use our comprehensive advantageous services to provide customers with various types of advanced high-tech electronic components, assist manufacturers in producing high-quality products and provide comprehensive services.
WINSOK MOSFET's product voltages are mainly medium and low voltage: 15V, 20V, 30V, 40V, 60V, 80V, 100V, 120V, 150V, 200V, 250V, 300V, 400V, 500V, 600V, 650V. The main packages include DFN3X3-8, DFN5X6-8, TO-252, TO-263, SOP-8, SOT-23, TO-220, etc. There are more than 600 models and more than 40 packages. Extensive coverage of medium-voltage and low-voltage MOSFET product lines on the market.
Cmsemicon MCU is a microcontroller company born in Shenzhen, with rich product types and technology research and development experience. The collaborative development between Cmsemicon MCUs and WINSOK MOSFET switches simplifies controller layouts, improves gate-driver impedance matching, and speeds up product development cycles.
Becoming a global high-value agent is the common goal pursued by OLUKEY Industrial employees. We adhere to the corporate values of "Pragmatism, Win-win, Service and Responsibility", continue to strengthen service quality, and aim to provide high-quality services. Work hand in hand with suppliers to jointly explore a larger market and contribute to the prosperity and development of semiconductors.
Visual highlights of our production lines, component labs, and logistics centers.
How our components adapt to varying dynamic thermal, power, and safety requirements across major global markets.
With regulations limiting motors to 250W-500W, the focus in Europe is on maximizing range per charge. Implementing lower voltage drops and small packaging like the WSD30L30DN33 P-channel and WSP8205 dual N-channel MOSFETs ensures negligible power waste. The dynamic driving profiles require components that can sustain thermal stability under low temperatures and wet conditions.
North American electric scooters often feature dual-motor configurations with power outputs reaching 1000W-3000W. These designs run on 60V or 72V battery systems and face heavy transient voltage spikes. High-current models like WSD220N06DN56 (60V 220A) provide the structural ruggedness and high avalanche energy rating (Eas) needed to survive steep climbs and aggressive off-road accelerations.
Asia is the global epicenter for fleet delivery logistics. E-scooters operate continuously for up to 16 hours daily. This continuous operation stresses the component junctions. Implementing WSD60N12GDN56 (120V 70A) or WSD4090DN56 in the motor drive stage provides long-term reliability and guards against down-time, protecting operators from costly vehicle maintenance cycles.
Managing volatile lead times through localized warehousing, high-yield fab capacity, and strategic partnerships.
The global semiconductor supply chain is highly complex, and delays in MOSFET deliveries can halt vehicle assembly lines. Based in Hong Kong and Shenzhen, Olukey Industry leverages China's advanced packaging ecosystem. We utilize automated testing systems and partnerships to provide stable output yields.
Our integration with Cmsemicon MCU lets us offer complete design packages, matching the microcontroller to the power stage. This reduces layout optimization times from months to weeks. Additionally, our global agency agreements help us keep high volumes of popular parts, like the TO-220, DFN5x6, and TO-252 packages, in stock, shielding distributors from sudden market changes.
The next step for micro-mobility: wide-bandgap integration and thermal-efficient packaging.
While silicon MOSFETs continue to offer excellent cost-to-performance metrics, future high-end electric vehicles will transition toward Gallium Nitride (GaN) and Silicon Carbide (SiC). These technologies allow higher switching frequencies and even lower conduction losses, enabling the next generation of highly compact e-scooter motor controllers.
As space inside the scooter deck decreases, managing heat becomes a challenge. The semiconductor industry is moving toward dual-sided cooling, where heat is dissipated from both the top and bottom of the package. We are expanding our portfolio of advanced DFN and QFN configurations to meet these compact thermal requirements.
Future power MOSFETs will integrate built-in temperature and current sensing directly on the die. This design provides real-time telemetry back to the main motor MCU, enabling predictive maintenance, dynamic load shedding, and protection against over-current faults.
Meeting environmental, safety, and operational standards to ensure smooth product launches across international borders.
Our entire MOSFET portfolio is lead-free and meets RoHS and REACH environmental requirements. We ensure that your electric scooter designs comply with European and international environmental directives.
Select components undergo testing modeled after AEC-Q101 standards, verifying operational life under high humidity, temperature cycles, and mechanical vibrations. This translates to reliable performance in real-world scooter use.
Olukey Industry provides direct Field Application Engineer (FAE) support. Our engineers can assist with PCB layout tuning, EMI mitigation, and thermal design optimization to help resolve performance issues during development.
Common questions from distributors, design engineers, and procurement managers regarding MOSFET selection.
Select the right package configurations, ranging from dual N-channel to high-current trench components.
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