2N3906 is a general purpose PNP transistor. This transistor is designed for low power and medium voltage working circuits. The transistor comes in the TO-92 Package. Its maximum collector-Emitter voltage is 40V and collector current of 200mA. 2N3904 is the complementary pair of NPN transistors.
2N3906 Pinout
Pinout Configuration
| Pin Number | Pin Name |
|---|---|
| 1 | Emitter (E) |
| 2 | Base (B) |
| 3 | Collector (C) |
Specifications
- Transistor Type: PNP
- Package: TO-92
- Mounting Type: Through hole.
- Collector Emitter Voltage (VCEO) is -40 V
- Collector-Base Voltage (VCBO) is -40 V
- Emitter-Base Voltage (VEBO) is -5 V
- Collector Current (IC max) is 200 mA
- Power Dissipation (PD) is 625 mW (TO-92 package, at 25°C)
- Junction Temperature (TJ) is -55 to +150 degree celsius
- DC Current Gain (hFE) is 100 – 300
- Transition Frequency (fT) is 250 MHz
Complementary Transistor
2N3904 NPN transistor is the complementary transistor of 2N3906 PNP transistor with same voltage and current ratings.
Equivalent Transistor for Replacement
- 2N2907
- PN2907
- BC557
- BC558
- S8550
Advantage of 2N3906
- Low cost and available in any electronics components shops.
- Easy to use and no heat sink is needed.
- Perfect equivalent for other low power PNP transistors.
- Good gain for signal amplification.
- Used in relay modules because it can handle 200mA collector current.
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2N3906 PNP General Purpose BJT Bipolar Power Transistor (Pack of 10)
- Type: Bi-polar PNP transistor Collector emitter maximum voltage:40V Emitter base maximum voltage: 5V Collector base maximum voltage: 40V Continuous collector current: 200mA
Conclusion
The 2N3906 is a medium power PNP transistor, can be used in several electronic circuits works in low power. if the circuit is below 40V then the transistor is works fine. if you are planning to build a small circuits like relay module or LED circuits this transistor is a perfect choice.
