This post explains for the transistor.
The Part Number is C3148, 2SC3148.
The function of this semiconductor is 800V, 3A, NPN Transistor.
The package is TO-220AB Type
Manufacturer: Toshiba Semiconductor
Preview images :
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Description
C3148 is 800V, 3A, Silicon NPN Transistor. This is a type of bipolar junction transistor (BJT) that consists of two n-type semiconductor materials separated by a single p-type material.
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Features
1. Switching regulator and high voltage.
2. Excellent Switching Times ( Ic = 0.8 A )
3. High Collector-Emitter Breakdown Voltage: Vceo = 800 V
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 900 V
2. Collector to Emitter Voltage: Vceo = 800 V
3. Emitter to Base Voltage: Vebo = 7 V
4. Collector Current: Ic = 3 A
5. Collector Dissipation : Pc = 1.5 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
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Applications:
1. Switching
2. High Speed DC-DC Converter
C3148 PDF Datasheet
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