Semtech Corporation BC237
NPN Silicon Transistor
ABSOLUTE MAXIMUM RATINGS
(Ta = 25 OC) Parameter Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current Total Power Dissipation Junction Temperature Storage Temperature Range 1. Collector 2. Base 3. Emitter TO-92 Plastic Package Symbol BC237 BC238 BC239 VCBO VCEO VEBO IC Ptot 50 45 6 30 30 25 25 5 100 500 Tj 150 TS - 55 to + 150 Unit V V V mA mW OC OC Characteristics at Ta = 25 OC Parameter DC Current Gain at VCE = 5 V, IC = 2 mA Current Gain Group A B C Collector Base Cutoff Current at VCB = 50 V at VCB = 30 V BC237 BC238, BC239 Collector Emitter Breakdown Voltage BC237 at IC = 2 mA BC238, BC239 Emitter Base Breakdown Voltage at IE = 100 µA Collector Emitter Saturation Voltage at IC = 10 mA, IB = 0.5 mA at IC = 100 mA, IB = 5 mA Base Emitter S