The 2N5401 is a PNP bipolar junction transistor. It is used in audio amplifiers and switching circuits. This transistor can able to handle high voltage of up to 150V, so this transistor is a perfect choice for high voltage circuits. This transistor is available in two packaging, First in the normal packaging TO-92 and second one is SOT-23 SMD package. In this article I’m sharing the Pinout details, equivalent transistor and characteristics of 2N5401.
2N5401 Transistor Pinout
- 1. Emitter
- 2. Base
- 3. Collector
Equivalent Transistors
If the 2N5401 transistor is unavailable or difficult to get from the electronic components shop, you can use the following equivalent or substitute transistors. Always check voltage, current, gain, and package type before replacing transistors. The equivalent transistors are given below,
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2N5401 Power Switch PNP Transistor Pack of 20pcs
✔ Transistor type : Power switch PNP transistor
DC Current Gain : 100
Maximum voltage across collector and emitter : 150V
Maximum current allowed trough collector : 600mA
Maximum voltage across collector and base : 160 V
- BC557B/C This transistor has lower voltage rating.
- KSA1015
- 2SA1015
- 2SA733
- MPSA92 This transistor has higher voltage rating.
Characteristics of 2N5401
| Parameter | Value |
| Type | PNP |
| VCEO | -150V |
| VCBO | -160V |
| VEBO | -5V |
| Collector Current (IC) | -200 mA |
| Total Power Dissipation | 625 mW (TO-92), 350 mW (SOT-23) |
| hFE (Gain) | 50–240 |
| Transition Frequency | 100–300 MHz |
| Package Types | TO-92, SOT-23 |
| Junction Temp. Range | -55°C to +150°C |
Applications
- Signal amplification in audio amplifier.
- Switching in high voltage circuits.
- LED drivers and small relay control.
- Analog signal processing
PNP Relay Switching Circuit
