Explore our leading primary switch, synchronous rectification, and battery protection MOSFET variants optimized for energy storage applications.
HONGKONG Olukey INDUSTRY CO., LIMITED functions as an industry-leading global solution architect and distributor of comprehensive electronic architectures. We supply specialized semiconductor products across three core lines: WINSOK MOSFETs, Cmsemicon MCUs, and custom PCBA layout design services. By prioritizing engineering support and quality-driven manufacturing, we meet the rigorous demands of industrial buyers worldwide.
Our operations focus on the critical Asia-Pacific region, extending services to automotive subsystems, defence infrastructure, industrial automation, medical equipment, and solar grid interfaces. Partnering with elite raw wafer manufacturers and global packaging facilities ensures we maintain continuous product access and supply-chain stability for high-volume deployments.
A comprehensive semiconductor strategy is essential to address extreme thermal loads and demanding continuous duty cycles.
We supply more than 600 models in over 40 standard packages, including low-profile, high-dissipation DFN5x6, DFN3x3, TO-252, TO-263, and TO-220 designs.
Our medium and low-voltage semiconductor portfolio ranges from 15V to 650V (including 15V, 20V, 30V, 40V, 60V, 80V, 100V, 120V, 150V, 200V, 250V, 300V, 400V, 500V, 600V, and 650V).
Stringent silicon validation processes ensure low RDS(on) and resistance to high-energy transient spikes, supporting extended operating lifespans.
Modern Battery Energy Storage Systems (BESS) represent a key element of clean grid infrastructure, balancing variable inputs from solar and wind installations. Sourcing managers look to these solutions to support utility-scale grid stabilization, industrial demand shaving, and residential microgrids. At the core of these systems are power semiconductors like MOSFETs. They manage safety, efficiency, and system longevity within Battery Management Systems (BMS), active balancing circuits, and DC-DC power converters.
In BESS, MOSFETs serve as electronic switches that isolate battery blocks during faults, balance charge across cells, and step down high stack voltages for low-voltage monitoring circuits. High-efficiency components help limit thermal generation, preventing localized hotspots and potential thermal runaway events.
When selecting MOSFET components for grid storage applications, design engineers evaluate several key performance indicators:
Global supply chains require consistent access to critical electronic components. Sourcing managers must balance cost optimization with delivery reliability. Olukey Industry addresses these requirements through our direct relationships with semiconductor foundries and a stocking strategy focused on common industrial form factors.
We maintain regional inventories of standard parts, including DFN5x6-8L and TO-220 designs, helping system builders mitigate supply disruptions. Keeping these items in stock reduces lead times from several months to a few days, supporting agile production planning.
Industrial hubs like Shenzhen and Hong Kong provide significant advantages in component packaging, testing, and distribution. Olukey Industry utilizes this local ecosystem to deliver reliable, high-yield manufacturing:
BESS installations operate under demanding regulatory frameworks to ensure grid safety and reliability. Sourcing components that meet these global expectations is a priority for procurement managers:
WINSOK MOSFETs are designed for a variety of power management applications within the energy storage ecosystem:
Olukey Industry provides comprehensive technical support to simplify component integration. Our field application engineers (FAE) work with your designers to resolve thermal management issues, optimize layout parasitics, and assist with driver circuit tuning.
By coordinating wafer procurement and backend packaging, we help buyers manage lead times and secure allocation for large-scale energy projects. We also offer customization options for specific packaging and parameter sorting requirements.
Expert answers to common engineering and procurement questions regarding high-capacity battery systems.
BESS disconnect switches carry continuous high currents. Lower RDS(on) reduces steady-state heat generation ($P = I^2 \times R_{DS(on)}$), minimizing thermal stress on the BMS board and reducing the need for large heat sinks.
Leadless packages like DFN5x6-8 and DFN3x3-8 have an exposed thermal pad that soldered directly to the PCB. This provides low junction-to-board thermal resistance ($R_{thJB}$), helping transfer heat away from components in space-constrained designs.
We recommend specifying a minimum breakdown voltage ($V_{(BR)DSS}$) margin of 20% to 30% above the maximum battery stack voltage. This helps protect the silicon against inductive voltage spikes during fast shutdown events.
Every production lot undergoes statistical process control (SPC) checks, wafer-level parametric verification, and packaged dynamic tests. We provide certificate of conformance (CoC) documents upon request to ensure traceability.
Yes, our portfolio includes direct pin-to-pin and performance-equivalent replacements for many industry-standard MOSFETs. Our team can help you select cross-references based on your specific layout and power requirements.
Select from our inventory of high-voltage switches, dual-channel devices, and DFN-packaged MOSFETs ready for wholesale delivery.
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