
Transistor/MOSFET
2N4403 PNP Transistor
The 2N4403 is a PNP general-purpose transistor in a TO-92 package, designed for low-power amplification and switching applications up to 40V and 600mA.
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About 2N4403 PNP Transistor
The 2N4403 is a versatile PNP bipolar junction transistor (BJT) widely used in consumer electronics, industrial control systems, and hobbyist projects. It features a maximum collector-emitter voltage of 40V and a continuous collector current of 600mA, making it suitable for driving relays, LEDs, and low-power motors. This transistor is commonly used in audio amplification stages, signal switching circuits, and as a complementary pair with NPN transistors like the 2N4401. Its TO-92 package ensures easy PCB mounting and thermal stability. Choose this component for reliable performance in general-purpose switching and amplification tasks, with proven compatibility across various electronic designs.
Technical Specifications
| Transistor Polarity | PNP |
|---|---|
| Configuration | Single |
| Maximum DC Collector Current | 600 mA |
| Collector-Emitter Voltage (VCEO) Max | 40 V |
| Package Type | TO-92 |
| Power Dissipation | 625 mW (typical) |
| Operating Temperature Range | -55°C to +150°C |
| Pulse Test Conditions | Pulse Width ≤ 300 μs, Duty Cycle ≤ 2.0% |
| Pins | 3 (Emitter, Base, Collector) |
Component Datasheet
Download the official datasheet for 2N4403 PNP Transistor
Download Datasheet (PDF)Alternative Components
2N4401
BC547
2N3906
S8050









