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Your cart is empty. BOJACK IRF640 MOSFET is a field effect transistor that can be widely used in analog circuits and digital circuits.
Basic parameters:
The IRF640 is available in a TO-220AB package
On-state resistance Rds(on): 0.15ohm
Voltage Rds measurement: 10V
Voltage Vgs highest: 4V
Package Type: TO-220AB
Number of stitches: 3
Thermal resistance junction to case A: 1°C/W
Voltage Vgs @ Rds on Measurement: 10V
Voltage Vds Typical: 200V
Current Id continuous: 18A
Current Idm pulse: 72A
Surface Mount Device: Through Hole Mounting
Threshold voltage, Vgs th Typical value: 4V
Threshold voltage, Vgs th highest: 4V
Lead-free environmental protection
D. Brewer
August 22, 2025
These worked great in my application. The knock-offs that were labeled the same never worked quite right. I used them in a flyback application and worked exactly as the circuit said it should. No failures so far.
Pedro reyes baez
August 13, 2025
Muy bueno
jon galindo
August 11, 2025
I tested the whole lot, they were reasonably matching turn on voltage.
Donna
June 8, 2025
Good price on these these MOSFET's
Bill
February 5, 2025
Worked fine in a switching power supply for a nixie clock kit. Good price for the set. Looks like good new stock - not pulls or cloned parts.
HorseKok
January 7, 2025
Package arrived a day early, just in time...I use various mosfet for a homemade induction heater that im still tuning so i has just went through the last of my stock.
Florin Viorel Ene
December 27, 2024
Did very well the work for my defective battery charger.
Joseph Hoffman
December 10, 2024
Quality transistors, they got my inverter up and running again
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