irf150.pdf datasheet:

PD - 90337GREPETITIVE AVALANCHE AND dv/dt RATED IRF150HEXFETTRANSISTORS JANTX2N6764THRU-HOLE (TO-204AA/AE) JANTXV2N6764[REF:MIL-PRF-19500/543]100V, N-CHANNELProduct Summary Part Number BVDSS RDS(on) IDIRF150 100V 0.055 38AThe HEXFETtechnology is the key to InternationalRectifiers advanced line of power MOSFET transistors.The efficient geometry and unique processing of this latestState of the Art design achieves: very low on-state resis-TO-3tance combined with high transconductance; superior re-verse energy and diode recovery dv/dt capability.The HEXFET transistors also feature all of the well estab-Features:lished advantages of MOSFETs such as voltage control, Repetitive Avalanche Ratingsvery fast switching, ease of paralleling and temperature Dynamic dv/dt Ratingstability of the electrical parameters. Hermetically Sealed