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Model No.: IRF640 ; Drain Source Voltage: 200V; Drain Current: 18A
Mounting Hole Diameter (Each): 3.5mm / 0.138"; Pin Size (Each): 14 x 1.5mm / 0.55" x 0.059" ( L* Pitch)
Total Size (Each): 30 x 10 x 4mm / 1.18" x 0.39" x 0.16" (L*W*H)
Package: 5 x Power MOSFET
10X Mosfet in a bag and shipped in a box
Wombat37
Reviewed in the United States on January 8, 2024
I develop projects using various microcontroller units (MCU) like Arduinos, ESP8266, and ESP32. Often I need to control a motor and need a higher voltage and current than can be delivered directly from the MCU. In such instances I need to use a mechanical or solid-state relay or preferably a suitable MOSFET device. I prefer to use MOSFETs as they are less expensive and can be tailored for a specific application. These IRF3205 MOSFETs are ideal for use with MCUs: they have a low activation voltage (VGS(th)) of 2 to 4 V and a low internal resistance (RDS(on)) of 8 mohm. That last spec means that they can be used without a heatsink for most of my applications. These are n-channel devices which means that they should be connected to the negative contact of the load. A Schottky diode is needed across an inductive load like a motor to protect the MOFET device. It’s very easy to pulse-width modulate (PWM) these MOSFETs even at a high frequency to enable speed control of motors or dimming high-power LEDs. At a current price of less than $13 for 10 of these MOSFETs these provide a very inexpensive way of turning on and controlling the speed of low voltage motors.
Ken J.
Reviewed in the United States on December 21, 2023
Nice MOSFETs, looking forward to project use. Took one star off for value based on comparable listings. Will update with further testing/use.
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