Overview
The BFR540 is a silicon N-P-N epitaxial planar transistor designed and manufactured by NXP USA Inc. This transistor is optimized for high-frequency applications, making it a reliable choice for various RF and microwave circuits. It is packaged in a small, surface-mount SOT-23 package, which is ideal for compact circuit designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN | - |
| Collector Current (Ic) - Maximum | 120 | mA |
| Collector-Emitter Voltage (Vce) - Maximum | 15 | V |
| Transition Frequency (fT) | 9 | GHz |
| DC Current Gain (hFE) - Minimum | 60 | - |
| Noise Figure (Typ @ f) | 1.1 dB ~ 2.1 dB @ 900 MHz | - |
| Package | SOT-23 (TO-236AB) | - |
| Operating Temperature (Tj) | 175 | °C |
Key Features
- Silicon N-P-N epitaxial planar transistor
- Suitable for high-frequency applications
- Low noise figure
- High transition frequency
- Reliable and robust performance
- Optimized for high-frequency circuits
- Excellent noise characteristics
- Wide operating frequency range
- Small, surface-mount SOT-23 package
Applications
- RF amplifiers
- Mixers
- Switches
- Oscillators
- Instrumentation
Q & A
- What is the BFR540 transistor used for?
The BFR540 is used for high-frequency applications such as RF amplifiers, mixers, switches, and oscillators.
- What is the maximum collector current of the BFR540?
The maximum collector current of the BFR540 is 120 mA.
- What is the transition frequency of the BFR540?
The transition frequency of the BFR540 is 9 GHz.
- What is the package type of the BFR540?
The BFR540 is packaged in a SOT-23 (TO-236AB) package.
- What is the operating temperature range of the BFR540?
The operating temperature range of the BFR540 is up to 175°C (Tj).
- Is the BFR540 suitable for automotive applications?
No, the BFR540 is not automotive qualified and is not suitable for automotive use unless explicitly stated otherwise by NXP Semiconductors.
- What are the key advantages of the BFR540?
The BFR540 offers reliable and robust performance, optimized for high-frequency circuits, excellent noise characteristics, and a wide operating frequency range.
- Where can I find the detailed datasheet for the BFR540?
You can find the detailed datasheet for the BFR540 on the NXP Semiconductors website or through authorized distributors like Y-IC Electronics.
- Is the BFR540 still in production?
As of recent updates, the BFR540 is no longer manufactured by NXP Semiconductors.
- What are some common applications of the BFR540?
The BFR540 is commonly used in RF amplifiers, mixers, switches, oscillators, and instrumentation.
