I&R, MBR, Vishay Mingxin, IR, BayLinear, IRF840, IRF840PBF, 500V, 8A, 125W, RDS(on)=0.85Ω 
N-Channel Power MOSFET, Dynamic dV/dt Rating, 
Repetitive Avalanche Rated, 
Simple Drive Requirements, 
Ease of Paralleling, 
Fast Switching, 
Spare part for/Náhrada pre: BUZ41, IRF820, IRF830, IRF830T, SiHF820, SiHF830, SiHF840, 
Case type TO-220AB-3PIN, 
1 - GATE 
2 - DRAIN 
3 - SOURCE 
4 - DRAIN