This post explains for the PNP Transistor.
The Part Number is A1294, 2SA1294.
The function of this semiconductor is – 230V, – 15A, PNP Transistor.
The package is TO-3P Type
Manufacturer: Sanken electric
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Description
This is Silicon PNP Epitaxial Planar Transistor. (Complement to type 2SC3263).
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = – 230 V
2. Collector to Emitter Voltage: Vceo = – 230 V
3. Emitter to Base Voltage: Vebo = – 5 V
4. Collector Current: Ic = – 15 A
5. Collector Dissipation : Pc = 130 W ( Tc=25°C )
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
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Application:
1. Audio and General Purpose
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