BD139 is a three layer NPN or PNP device within the working range, the collector current IC is a function of the base current IB, a change in the base current giving a corresponding amplified change in the collector current for a given collector emitter voltage VCE.
Features:-
• Low saturation voltage
• Simple drive requirements
• High safe operating area
• For low distortion complementary designs
• Easy to carry and handle
Detailed Specifications:-
| Transistor Polarity | NPN |
| Collector−Emitter Voltage (VCEO) | 80V |
| Collector−Base Voltage (VCBO) | 80V |
| Continuous Collector Current (Ic) | 1.5A |
| Continuous Base Current (Ib) | 0.5A |
| DC Current Gain (hFE) | 40-250 |
| Operating Temperature Range | -65 – 150°C |
| Power Dissipation (Pd) | 12.5W |
| Thermal Resistance (ΘJA) | 100°C/W |
| Thermal Resistance (ΘJC) | 10°C/W |
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