IRF640 Power MOSFET: Datasheet, Pinout, and Circuits

The IRF640 is an N Channel enhancement mode power MOSFET designed, tested, and guaranteed to withstand a specified level of energy in the breakdown avalanche mode of operation. It is designed for applications such as switching regulators, switching convertors, motor drivers, relay drivers, and drivers for high-power bipolar switching transistors requiring high-speed and low gate drive power. The IRF640 can be operated directly from integrated circuits. It can also be used as an amplifier such as audio amplifiers and audio amplifier stages.

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3D Model

• Transistor Type: N Channel

• Package Type: TO-220

• Max Drain to Source Voltage: 200 V

• Max Gate to Source Voltage: ±20 V

• Max Continues Drain Current: 18 A

• Max Pulsed Drain Current: 72 A

• Max Power Dissipation: 125 W

• Storage & Operating temperature: -65 to +150 Centigrade

• Extremely high dv/dt capability

• Very low intrinsic capacitances

• Gate charge minimized

• Repetitive avalanche rated

• Fast switching

• Ease of paralleling

• Simple drive requirements

STMicroelectronics IRF640 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics IRF640.

IRF640 Unclamped Inductive Load Test Circuit

IRF640 Switching Times Test Circuits For Resistive Load

IRF640 Gate Charge Test Circuit

IRF640 Test Circuit For Inductive Load Switching And Diode Recovery Times

YTA640, IRF641, IRF642, IRFB4620, IRFB5620, 2SK740, STP19NB20, YTA640, BUK455-200A, BUK456-200A, BUK456-200B, BUZ30A, MTP20N20E, RFP15N15, 2SK891, 18N25, 18N40, 22N20

Please check the pin configuration and parameters before replacing them in your circuit.

The IRF640 can be used in general-purpose switching and amplification applications. It can be used in circuits where high-speed switching is required, for example, battery backup systems, uninterruptable power supplies, etc. The IRF640 can be operated directly from integrated circuits and can also be used as an amplifier such as audio amplifiers and audio amplifier stages.

• Uninterruptible power supply (UPS)

• DC to DC converters

• Motor control circuits

• Battery chargers and BMS

• Solar power supply applications

• TV and computer monitor power supplies

• Fast switching applications

IRF640 Package Outline

IRF640 Mechanical Data

STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio, and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology, and its products play a key role in enabling today's convergence trends.

Download datasheets and manufacturer documentation for STMicroelectronics IRF640.