High-grade MOSFETs and integrated microcontrollers designed to replace OEM parts in home appliances. Explore our range of low-to-medium voltage components optimized for energy-saving variable frequency drives.
The modern home appliance market is undergoing a structural transition towards energy-saving operation, smart functionalities, and whisper-quiet BLDC (Brushless Direct Current) motor drives. Power MOSFETs serve as the cornerstone of this evolution. Within washing machines, air conditioners, variable-frequency refrigerators, and high-efficiency induction cookers, high-performance MOSFETs control thermal emissions and switching losses.
Traditional silicon planar MOSFETs are increasingly replaced by superjunction structure devices and low $R_{DS(on)}$ trench gate structures. These designs minimize conduction and switching resistance, thereby fulfilling strict carbon neutrality goals and international efficiency standards (such as Energy Star and EU Ecodesign directives).
To support high-velocity volume production and sudden demand changes, appliance manufacturers demand suppliers that balance technical expertise with secure supply chains. B2B procurement professionals look for strict cross-referencing capabilities to replace high-cost legacy brands.
B2B electronics procurement is frequently exposed to single-source component shortages, volatile lead times, and rising prices from major semiconductor vendors. We address this vulnerability by providing direct electrical equivalents and drop-in replacements for standard household electronics power systems. By using highly automated, high-yield fabrication plants (fabs) and maintaining extensive inventories of wafer dies in DFN3X3-8, DFN5X6-8, TO-252, TO-263, SOP-8, SOT-23, and TO-220 packages, we insulate our clients from global manufacturing disruptions.
HONGKONG Olukey INDUSTRY CO., LIMITED is a leading solution provider focusing on the overall integration of electronic product components. Our portfolio consists of three key pillars: WINSOK MOSFET power components, Cmsemicon MCU microcontrollers, and comprehensive PCBA circuit board solution development.
Currently, Olukey Industry's components are deployed across high-demand sectors including automotive electronics, defense, smart industrial systems, new energy, smart healthcare, 5G, the Internet of Things (IoT), smart home applications, and consumer electronics. Our presence in the Asia-Pacific market allows us to provide advanced semiconductor components, comprehensive logistics, technical consultation, and drop-in replacement support for global manufacturing hubs.
Compare standard operating parameters for home appliance replacement applications. Our trench-gate and superjunction technology offers direct compatibility with mainstream international brands.
| OEM Equivalent Target | Voltage (V_DS) | Current (I_D) | RDS(on) Typ (mΩ) | Package Selection | Primary Appliance Applications |
|---|---|---|---|---|---|
| 30V P-Channel (e.g. WST3403/WST3405) | -30V | -3.5A to -8.2A | < 45 mΩ | SOT-23L, SOP-8 | Smart Hub Displays, Power Rail Switching, Low-Power Fans |
| 100V N-Channel (e.g. WSF70N10 / WSF160N10) | 100V | 65A to 160A | < 6.5 mΩ | TO-252-2L, DFN5X6-8 | BLDC Vacuum Cleaner Motors, Power Delivery Control Boards |
| 650V High-Voltage (e.g. WSR10N65F / WSR2N65) | 650V | 2A to 10A | < 750 mΩ | TO-220F-3L, TO-220-3L | Switch-Mode Power Supplies (SMPS), AC/DC Converters in Washers |
| 40V Dual/Single (e.g. WSD4066DN / WSD4062DN56) | 40V | 14A to 62A | < 9.5 mΩ | DFN3X3-8, DFN5X6-8L | Dishwasher Water Pump Drivers, Valve Control Switches |
| 120V Medium-Voltage (e.g. WSD75N12GDN56) | 120V | 75A | < 12 mΩ | DFN5X6-8 | Robotic Vacuum Drives, LED Backlighting Power Inverters |
Quality control requires complete visibility over manufacturing, packaging, and sorting. Olukey Industry leverages global general agency partnerships to deliver qualified, tested wafers and finished assemblies.
Relying on the advantages of global general agents of major original manufacturers, we are based in the Asia-Pacific market. Through active market development and resource integration, we have become an outstanding, fast-growing semiconductor agent 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. This represents extensive coverage of medium-voltage and low-voltage MOSFET product lines on the market.
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.
Cmsemicon MCU is a microcontroller company born in Shenzhen, with rich product types and technology research and development experience, allowing us to co-design microcontroller units alongside Winsok power devices to form holistic motor drive solutions.
We maintain localized engineering support teams across key appliance manufacturing nodes in China, Southeast Asia, and the Americas. FAE (Field Application Engineering) teams analyze circuit schematics and perform thermal imaging to confirm drop-in replacement parameters.
Our semiconductor components are fully compliant with RoHS and REACH regulations. Fabrication facilities conform to ISO 9001:2015 standards, and select components undergo AEC-Q101 testing parameters to guarantee stable performance in automotive and high-stress appliance applications.
Our development pipeline targets the integration of Gallium Nitride (GaN) and Silicon Carbide (SiC) wide-bandgap (WBG) options for high-power smart appliances. By optimizing layout footprints, we intend to combine logic ICs and driver stages into single multi-chip modules.
Find answers to technical questions about cross-referencing, design considerations, and logistical capabilities.
Compare low-resistance switches and high-voltage power devices to optimize switching speeds in variable frequency systems.
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