This post explains for the transistor C5339.
The Part Number is 2SC5339.
The function of this semiconductor is 600V, 7A, NPN Transistor.
Manufacturer: Toshiba Semiconductor
Preview images :
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Description
This is NPN transistor.
Features
1. Low Saturation Voltage : VCE (sat) = 5 V (Max.)
2. High Speed : tf = 0.2 μs (Typ.)
3. Bult−in Damper Type
4. Collector Metal (Fin) is Fully Covered with Mold Resin […]
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Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 1500 V
2. Collector to Emitter Voltage: Vceo = 600 V
3. Emitter to Base Voltage: Vebo = 5 V
4. Collector Current: Ic = 7 A
5. Collector Dissipation : Pc = 50 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C