This post explains for the NPN transistor.
The Part Number is C2785, 2SC2785.
The function of this semiconductor is NPN Silicon Transistor.
Manufacturer: NEC
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Description
This is 50V, 100mA, NPN Silicon Transistor.
The C2785 is designed for use in driver stage of AF amplifier and low speed switching.
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Features
1. High Voltage: Vceo = 50 V min.
2. Excellent hFE Linearity : 0.92 typ
3. Complementary to the NEC 2SA1175 PNP Transistor.
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Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 60 V
2. Collector to Emitter Voltage: Vceo = 50 V
3. Emitter to Base Voltage: Vebo = 5.0 V
4. Collector Current: Ic = 100 mA
5. Total Dissipation : Pc = 250mW
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
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C2785 PDF Datasheet
