This post explains for the NPN Transistor.
The Part Number is Q2N2222.
The function of this semiconductor is 40V, 600mA Transistor.
The pakcage is TO-92 type (TO-226).
Manufacturer: ETC
Preview images :
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Description
Q2N2222 is NPN Silicon Amplifier Transistor.
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 75 V
2. Collector to Emitter Voltage: Vceo = 40 V
3. Emitter to Base Voltage: Vebo = 6 V
4. Collector Current: Ic = 600 mA
5. Collector Dissipation : Pc = 625 mW
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
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