NPN-Transistor BD678, TO-126, SOT-32, 60V, 4A. Housing: TO-126. Housing (JEDEC standard): SOT-32. Collector-emitter voltage Uceo [V]: 60V. Collector current Ic [A], max.: 4A. Component family: Darlington PNP Power Transistor. Configuration: PCB through-hole mounting. Cutoff frequency ft [MHz]: -. Manufacturer's marking: BD678. Max temperature: +150°C.. Maximum dissipation Ptot [W]: 40W. Number of terminals: 3. RoHS: yes. Original product from manufacturer: Stmicroelectronics. Quantity in stock updated on 11/02/2025, 23:46