BFS20 – PHILIPS/NXP
BJT NPN Transistor 20V 25mA 450MHz 200mW SOT-23-3 (TO-236) Surface Mount
Stock Quantity: 33532
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.61 |
| 10+ | |
| 50+ | |
| 100+ |
33532 in stock
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- 6 month warranty on all stock items
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Overview
The Nexperia BFS20 is a high-frequency NPN bipolar transistor specifically engineered for small-signal RF amplification and switching applications up to 450 MHz. Its key operational characteristic is the consistent gain-bandwidth product (fT) at its rated frequency, crucial for maintaining signal integrity in demanding RF front-ends. A critical design consideration when utilizing the BFS20 is managing its relatively low continuous collector current (25 mA); exceeding this limit can lead to thermal runaway and saturation, compromising the linearity and efficiency of the amplification stage, especially in high-gain configurations.
Key Features
- Gain Bandwidth Product (fT): 450 MHz
- Collector-Emitter Voltage (VCEO): 20 V
- Continuous Collector Current (IC): 25 mA
- Minimum DC Collector/Base Gain (hFE): 40
- Operating Temperature Range: -65°C to +150°C
- Package: SOT-23-3 (3mm x 1.4mm x 1mm)
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 amplification in VHF/UHF receiver front-ends
- High-frequency signal switching in telecommunications modules
- Buffer stages for impedance matching in RF power amplifiers
- Oscillator circuits requiring stable gain at 450 MHz
