Part Number: 2SK2611
Function: 900V, 9A, Silicon N-Channel MOSFET
Package: TO-3P Type
Manufacturer: Toshiba
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Description
The 2SK2611 is a high-voltage 900V N-channel enhancement-mode MOSFET designed for demanding power switching applications, typically available in a TO-3P or TO-247 package. It offers low on-resistance, high forward transfer admittance, and low leakage current, ensuring efficient operation in high-voltage environments. This device is widely used in DC-DC converters, motor drives, and high-power switching circuits.
Features
- Low drain-source on-resistance with RDS(on)=1.2Ω (typ.)
- High forward transfer admittance |Yfs|=7.0S (typ.)
- Low leakage current with IDSS=100µA (max)
- High voltage capability up to 900V
- Enhancement-mode operation with Vth=2.0–4.0V
- Suitable for high-power and high-voltage switching
Pinout
Absolute Maximum Ratings (Tc = 25 °C)
| Parameter | Symbol | Value | Unit |
| Drain-Source Voltage | VDSS | 900 | V |
| Gate-Source Voltage | VGSS | ±30 | V |
| Drain Current | ID | 9 | A |
| Power Dissipation | Pd | 150 | W |
| Channel Temperature | Tch | 150 | °C |
| Storage Temperature | Tstg | -55 to 150 | °C |
Design Notes
- Ensure sufficient gate drive voltage for full enhancement and low RDS(on)
- Use proper heat sinking due to high power dissipation capability
- Implement snubber or clamp circuits for inductive switching loads
- Gate resistor recommended to control switching speed and reduce EMI
- Verify safe operating area (SOA) during transient conditions
Typical Circuit Usage
- High-voltage DC-DC converter switching stages
- Motor drive and actuator control circuits
- Relay driver circuits in industrial systems
- Switch-mode power supplies (SMPS)
- Power switching in high-voltage applications
How to Choose This Part
- Select for high-voltage applications up to 900V
- Suitable for moderate-to-high current switching up to 9A
- Ensure RDS(on) meets efficiency requirements
- Confirm thermal management strategy for high-power use
- Use when robust switching and reliability are critical
Applications
- DC-DC converters
- Relay drive circuits
- Motor drive systems
- Industrial power supplies
- High-voltage switching applications
Alternative / Equivalent Products
- 2SK2610 (similar high-voltage MOSFET)
- IRFPG50 (high-voltage MOSFET alternative)
- STW9NK90Z (STMicroelectronics 900V MOSFET)
- FQA9N90 (ON Semiconductor equivalent)
- 2SK3563 (comparable N-channel MOSFET)
2SK2611 Datasheet PDF Download
Other data sheets are available within the file: K2611