This post explains for the transistor.
The Part Number is B649, 2SB649.
The function of this semiconductor is 120V, 1.5A, PNP Transistor.
The package is TO-126 Type
Manufacturer: JCST
Preview images :
Description
B649 is 120V, 1.5A, PNP Transistor.
Features
1. Low Frequency Power Amplifier Complementary Pair with 2SD669/A 1. EMITTER
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = – 180 V
2. Collector to Emitter Voltage: Vceo = – 120 V
3. Emitter to Base Voltage: Vebo = – 5 V
4. Collector Current: Ic = – 1. 5 A
5. Collector Dissipation : Pc = 1 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
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