This post explains for the transistor.
The Part Number is C6000, 2SC6000.
The function of this semiconductor is 50V, 7A, NPN Transistor.
Manufacturer: Toshiba Semiconductor
Preview images :
Description
The C6000 is Silicon NPN Epitaxial Type Transistor.
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 120 V
2. Collector to Emitter Voltage: Vceo = 50 V
3. Emitter to Base Voltage: Vebo = 6 V
4. Collector Current: Ic = 7 A
5. Collector Dissipation : Pc = 20 W ( Tc=25°C )
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
Features
1. High DC current gain: hFE = 250 to 400 (IC = 2.5 A)
2. Low collector-emitter saturation: VCE (sat) = 0.18 V (max)
3. High speed switching: tf = 13 ns (typ)
Applications:
1. High Speed Switching
2. DC-DC Converter
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