Overview Product Description IRF640.pdf Product Videos Custom Field Product Reviews Write a Review Write a Review × Siliconix IRF640 ; Transistor N-MOSFET 200V 18A 125W 0.18Ω, TO-220 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *