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Transistor 2SA854 PNP, 0.15A TO-92
2SA854 PNP Small Signal Transistor – Audio & Switching Applications
The 2SA854 is a versatile PNP transistor widely recognized in audio and signal processing circuits. With stable gain characteristics and excellent linearity, it is ideal for preamplifier stages, audio mixing, and precision switching applications where low noise and reliable performance are essential.
Functions & Applications
- PNP Polarity: Perfect complement to NPN transistors like BC547 for push-pull output stages.
- Audio-Grade Performance: Low noise characteristics make it suitable for preamplifiers and microphone circuits.
- Standard TO-92 Package: Through-hole design ideal for breadboarding and universal PCB layouts.
- Reliable Gain: Consistent hFE across typical operating ranges for predictable circuit design.
Technical Specifications
| Parameter | Value / Specification |
|---|---|
| Transistor Type | BJT (Bipolar Junction Transistor) |
| Polarity / Channel | PNP |
| Package / Case | TO-92 |
| Collector-Emitter Voltage (Vceo) | 32V |
| Max Collector Current (Ic) | 150mA |
| Power Dissipation (Pd) | 400mW |
| Mounting Type | Through-Hole (THT) |
Frequently Asked Questions
Q: What is the complementary NPN transistor for the 2SA854?
A: The complementary NPN transistor is the 2SC1815 or 2SC1898, which have similar voltage and current ratings for matched pair designs.
Q: Can the 2SA854 be used in audio preamplifier circuits?
A: Yes, the 2SA854 is well-suited for audio applications. Its low noise characteristics and stable gain make it ideal for microphone preamps and line-level buffer stages. Typical bias currents are in the microampere range for minimal distortion.
Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.
- Transistor Type
- BJT (Bipolar Junction Transistor)
- Transistor Polarity / Channel
- PNP
- Transistor Case Style
- TO-92