2SK1340 MOSFET Transistor N-Channel 900V 5A TO-3P
The 2SK1340 MOSFET transistor is a high-voltage N-channel device designed for high-speed power switching applications. It features a maximum drain-source voltage of 900V and a maximum drain current of 5A, making it suitable for high-voltage and high-current operations. Its low on-resistance ensures efficient conduction, minimizing power loss during switching. The transistor operates with fast switching speeds, which makes it ideal for applications such as switching regulators, DC-DC converters, and high-voltage power supplies. Packaged typically in a TO-3P case, the 2SK1340 provides robust performance and reliable operation in demanding electrical environments, including industrial and power electronics circuits. It is known for its high efficiency and durability, making it a popular choice for high-voltage switching applications.
Features
- Silicon N-channel MOSFET designed for high-speed power switching applications.
- Maximum drain-source voltage (Vds) of 900 V.
- Maximum continuous drain current (Id) of 5 A at 25°C.
- Low on-resistance for efficient power conduction.
- Fast switching speed for improved device performance.
- Low drive current requirement.
- No secondary breakdown, enhancing device reliability.
- Ideal for switching regulators and DC-DC converter applications.
- Packaged in a TO-3P case for improved thermal performance and durability.
- Suitable for industrial power electronics and high voltage circuits.
Pinout Configuration

| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | Gate (G) | Controls the MOSFET switching |
| 2 | Drain (D) | Drain terminal for current flow |
| 3 | Source (S) | Source terminal for current flow |
Specification
| Parameters | Defiles |
| Transistor Type | MOSFET Transistor |
| Part Number | 2SK1340 |
| Channel | N-Channel |
| Maximum Drain-Source Voltage (Vds) | 900 V |
| Maximum Drain Current (Id) | 5 A |
| Maximum Gate-Source Voltage (Vgs) | ±30 V |
| Maximum Power Dissipation (Pd) | 100 W |
| Maximum Junction Temperature (Tj) | 150 °C |
| Maximum Drain-Source On-Resistance (Rds(on)) | 3 – 4 Ω |
| Rise Time (tr) | 70 nsec |
| Output Capacitance (Coss) | 305 pF |
| Package Type | TO-3P |
| Operating Temperature Range | -55 °C to +150 °C |
Applications
- High-speed power switching in electronic circuits.
- Switching regulators and DC-DC converters.
- Audio amplifier power stages for clean and efficient output.
- Industrial control systems requiring high voltage and current handling.
- Power management in various consumer and industrial electronics.
- High voltage circuit applications with robust demands on reliability.
- Renewable energy systems involving power conversion and control.
- Motor control circuits for efficient switching and power handling.
Package Contents
- 1 x 2SK1340 MOSFET Transistor N-Channel 900V 5A TO-3P

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