BUZ 74 is an N-channel enhancement mode avalanche-rated power transistor. Its rated maximum voltage is 500V, maximum continuous current is 2.4A, and RDS(on) is 3Ω.
The BUZ 74 is an N‑channel, enhancement‑mode SIPMOS power transistor from Siemens. It is rated for 500 V drain‑source breakdown voltage and a continuous drain current of 2.4 A (9.5 A pulsed). The device includes avalanche‑rated capability and detailed thermal specifications.
The datasheet lists static and dynamic electrical characteristics, reverse‑diode parameters, safe operating area curves and the TO‑220 AB package dimensions. It also provides typical values for gate threshold voltage, on‑resistance, input and output capacitances, and reverse recovery time, helping designers select the part for high‑power applications.