NPN transistor ZTX1049A, 4A, TO-92, TO-92, 25V. Collector current: 4A. Housing: TO-92. Housing (according to data sheet): TO-92. Collector/emitter voltage Vceo: 25V. Assembly/installation: PCB through-hole mounting. BE diode: no. CE diode: no. Conditioning unit: 2000. Conditioning: -. Cost): 120pF. FT: 180 MHz. Function: unijunction transistor UJT, hi-beta, lo-sat. Ic(pulse): 20A. Max hFE gain: 1200. Minimum hFE gain: 200. Number of terminals: 3. Operating temperature: -50...+200°C. Pd (Power Dissipation, Max): 1W. Quantity per case: 1. RoHS: yes. Saturation voltage VCE(sat): 0.03V. Semiconductor material: silicon. Spec info: complementary transistor (pair) ZTX788. Type of transistor: NPN. Vcbo: 80V. Vebo: 5V. Original product from manufacturer: Zetex. Quantity in stock updated on 12/11/2025, 23:05