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TK12A50D(STA4,Q,M)-VB Product details
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TK12A50D is a Single N-MOS deeply optimized for high-voltage power switching scenarios. The Planar process balances robust avalanche endurance with low leakage current, and the TO220F fully insulated package strikes a good balance between heat dissipation capability and installation convenience. The combination of 650V withstand voltage, 12A current capacity, and 680mΩ on-resistance makes it a reliable choice for high-voltage applications such as switching power supplies, industrial control, and home appliance drives, especially suitable for designs with strict requirements for voltage margin and system safety.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 650V | 3.5V | 12A | 680(mΩ) | Planar |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 650V | 3.5V | 12A | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 650V | 3.5V | 12A | Planar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
VDS=650V: Suitable for 220V/380V industrial and grid systems, providing ample surge voltage margin, significantly reducing breakdown risk, and improving system reliability.
VGS=±30V: Wide gate drive voltage range, compatible with various PWM controllers and driver ICs, simplifying gate protection circuit design.
Vth=3.5V (typical): Moderate threshold voltage with strong noise immunity, less prone to false turn-on in high dv/dt and noisy environments, ideal for industrial applications.
RDS(on)=680mΩ @ VGS=10V: Controllable conduction loss, combined with TO220F package heat dissipation path, enables stable operation under continuous high current conditions.
ID=12A: Ample continuous current margin, capable of handling peak load demands such as motor startup and capacitor charging.
Package TO220F: Fully molded insulation design, no additional insulation pad required, easy to install, with good thermal resistance characteristics, suitable for screw mounting on heatsinks.
Domain and module applications：
Switching Power Supply (SMPS): 650V withstand voltage covers mainstream wide-input scenarios, low on-resistance improves full-load efficiency, reducing power stage temperature rise.
Industrial Frequency Converters and Servo Drives: The high-voltage MOSFET maintains ample safety margin during bus voltage fluctuations, with stable PWM switching characteristics suitable for motor drive applications.
Home Appliance Control Boards: Suitable for high-voltage power modules in induction cookers, air conditioner PFC, washing machines, etc., with reliable overcurrent and surge suppression capabilities, extending product lifespan.
LED High-Power Lighting Drivers: In high-voltage constant current solutions, it can simplify circuit topology, reduce the number of series power tubes, and lower system costs.
Charging Station Auxiliary Power and Communication Power Supplies: High withstand voltage and low leakage current meet high-efficiency, long-life requirements, suitable for long-term parallel operation.
Photovoltaic Inverter Auxiliary Circuits: Wide safe operating area can handle voltage fluctuations from photovoltaic panels, planar process offers strong surge resistance, improving outdoor operational reliability. Selection Summary: TK12A50D achieves a balance between high withstand voltage, current capability, and packaging ease of use. It is a cost-effective general-purpose choice for 650V high-voltage switching applications, especially suitable for projects with clear requirements for voltage margin, thermal structure, and long-term reliability.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
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