Part Number: 2SK2662
Function: 500V, 5A, Silicon N Channel MOSFET
Package: TO-220 Type
Manufacturer: Toshiba
Image and Pinouts:
Description
The 2SK2662 is a 500V N-channel enhancement-mode MOSFET designed for high-voltage switching applications, typically housed in a TO-220 package. It features low on-resistance, high forward transfer admittance, and low leakage current, enabling efficient power handling and fast switching performance. This device is widely used in DC-DC converters, motor drives, and relay control circuits.
Features
- Low drain-source on-resistance with RDS(on)=1.35Ω (typ.)
- High forward transfer admittance |Yfs|=4.0S (typ.)
- Low leakage current with IDSS=100µA (max)
- High voltage capability up to 500V
- Enhancement mode operation with Vth=2.0–4.0V
- Suitable for high-efficiency switching applications
Absolute Maximum Ratings (Tc = 25 °C)
| Parameter | Symbol | Value | Unit |
| Drain-Source Voltage | VDSS | 500 | V |
| Gate-Source Voltage | VGSS | ±30 | V |
| Drain Current | ID | 5 | A |
| Power Dissipation | Pd | 35 | W |
| Channel Temperature | Tch | 150 | °C |
| Storage Temperature | Tstg | -55 to 150 | °C |
Design Notes
- Ensure gate drive voltage exceeds threshold sufficiently for full enhancement
- Use proper gate resistor to control switching speed and reduce ringing
- Heat sinking is necessary for high power dissipation conditions
- Consider snubber or clamp circuits for inductive load switching
- Pay attention to SOA limits during switching transitions
Typical Circuit Usage
- Primary switching element in DC-DC converters
- Motor drive switching circuits
- Relay and solenoid drivers
- High-voltage switching regulators
- Power control stages in industrial electronics
How to Choose This Part
- Select for high-voltage applications up to 500V
- Suitable when moderate current (≤5A) is required
- Ensure RDS(on) meets efficiency requirements
- Verify gate drive compatibility with control circuitry
- Consider thermal design for continuous operation
Applications
- DC-DC converters
- Relay drive circuits
- Motor drive systems
- Switch-mode power supplies
- Industrial power control
Alternative / Equivalent Products
- 2SK2545 (similar high-voltage MOSFET)
- IRF840 (widely used 500V MOSFET)
- STP5NK50Z (STMicroelectronics equivalent)
- FQP5N50 (ON Semiconductor alternative)
- 2SK1118 (comparable N-channel MOSFET)
2SK2662 Datasheet PDF Download
Other data sheets are available within the file: K2662

