BC547B – NXP
General Purpose Transistor
Stock Quantity: 11288
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.1 |
| 10+ | |
| 50+ | |
| 100+ |
11288 in stock
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- 6 month warranty on all stock items
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Overview
The NXP BC547B is a versatile NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Its key operational characteristic lies in its moderate gain (hFE typically between 110-220) and low noise figure, making it suitable for sensitive input stages. A critical design consideration when using the BC547B in high-gain amplifier configurations is managing its inherent junction capacitance, which can limit bandwidth at higher frequencies, necessitating careful layout and potentially parasitic capacitance compensation techniques.
Key Features
- NPN Bipolar Junction Transistor (BJT)
- Collector Current (Ic): Max 100 mA
- Collector-Emitter Voltage (Vceo): Max 45 V
- DC Current Gain (hFE): 110 – 220 (typical range for BC547B)
- Low Noise Figure
- TO-92 Package (3 leads)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Low-noise preamplification in audio input circuits
- Driver stages for audio power amplifiers
- Signal processing in consumer electronics like televisions
- General-purpose switching in small-signal control circuits
