Quantity per case: 1. Semiconductor material: silicon. FT: 1.7 MHz. Function: MONITOR HA,Hi-res. Max hFE gain: 30. Minimum hFE gain: 10. Collector current: 10A. Ic(pulse): 20A. Marking on the case: C5129. Number of terminals: 3. Temperature: +150°C. Pd (Power Dissipation, Max): 50W. RoHS: yes. Assembly/installation: PCB through-hole mounting. Technology: 'Triple Diffused MESA Type'. Tf(max): 0.3us. Tf(min): 0.15us. Housing (according to data sheet): 2-16E3A. Type of transistor: NPN. Vcbo: 1500V. Saturation voltage VCE(sat): 3V. Collector/emitter voltage Vceo: 600V. Vebo: 5V. Spec info: fall time 0.15..03us (64kHz). Housing: TO-3PF (SOT399, 2-16E3A). CE diode: yes