NPN transistor BD439, 4A, TO-126 (TO-225, SOT-32), SOT-32, 60V. Collector current: 4A. Housing: TO-126 (TO-225, SOT-32). Housing (according to data sheet): SOT-32. Collector/emitter voltage Vceo: 60V. Assembly/installation: PCB through-hole mounting. Darlington transistor?: no. FT: 3 MHz. Function: NF-L. Ic(pulse): 7A. Max hFE gain: 130. Minimum hFE gain: 20. Number of terminals: 3. Pd (Power Dissipation, Max): 36W. Quantity per case: 1. Saturation voltage VCE(sat): 0.8V. Semiconductor material: silicon. Spec info: complementary transistor (pair) BD440. Temperature: +150°C. Type of transistor: NPN. Vcbo: 60V. Original product from manufacturer: Stmicroelectronics. Quantity in stock updated on 11/06/2025, 22:14