Overview
The BFU520Y is a dual NPN wideband silicon RF transistor produced by NXP USA Inc. It is part of the BFU5 family of transistors and is designed for high-speed, low-noise applications. The transistor is packaged in a plastic, 6-pin SOT363 package, making it suitable for small signal to medium power applications up to 2 GHz.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Collector-Base Voltage (VCB) | Open Emitter | - | - | 24 | V |
| Collector-Emitter Voltage (VCE) | Open Base | - | - | 12 | V |
| Emitter-Base Voltage (VEB) | Open Collector | - | - | 2 | V |
| Collector Current (IC) | - | - | 5 | 30 | mA |
| Total Power Dissipation (Ptot) | Tsp ≤ 87°C | - | - | 450 | mW |
| DC Current Gain (hFE) | IC = 5 mA; VCE = 8 V | 60 | 95 | 200 | - |
| Transition Frequency (fT) | IC = 10 mA; VCE = 8 V; f = 900 MHz | - | 10 | - | GHz |
| Noise Figure (NFmin) | f = 900 MHz; VCE = 8 V | - | 0.65 | - | dB |
Key Features
- Low noise, high breakdown RF transistor
- AEC-Q101 qualified for automotive applications
- Minimum noise figure (NFmin) = 0.65 dB at 900 MHz
- Maximum stable gain of 19 dB at 900 MHz
- 11 GHz fT silicon technology
Applications
- Applications requiring high supply voltages and high breakdown voltages
- Broadband differential amplifiers up to 2 GHz
- Low noise amplifiers for ISM (Industrial, Scientific, and Medical) applications
- ISM band oscillators
Q & A
- What is the BFU520Y transistor used for? The BFU520Y is used for high-speed, low-noise applications in RF circuits, such as broadband differential amplifiers and low noise amplifiers for ISM applications.
- What is the package type of the BFU520Y transistor? The BFU520Y is packaged in a plastic, 6-pin SOT363 package.
- What is the maximum collector-emitter voltage for the BFU520Y? The maximum collector-emitter voltage (VCE) is 12 V when the base is open, and 24 V when the base is shorted.
- What is the typical DC current gain (hFE) of the BFU520Y? The typical DC current gain (hFE) is 95 at IC = 5 mA and VCE = 8 V.
- Is the BFU520Y AEC-Q101 qualified? Yes, the BFU520Y is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the transition frequency (fT) of the BFU520Y? The transition frequency (fT) is 10 GHz at IC = 10 mA and VCE = 8 V.
- What is the minimum noise figure (NFmin) of the BFU520Y at 900 MHz? The minimum noise figure (NFmin) is 0.65 dB at 900 MHz.
- What are some common applications of the BFU520Y? Common applications include broadband differential amplifiers, low noise amplifiers for ISM applications, and ISM band oscillators.
- What is the total power dissipation limit for the BFU520Y? The total power dissipation (Ptot) limit is 450 mW at Tsp ≤ 87°C.
- Is the BFU520Y RoHS compliant? Yes, the BFU520Y is RoHS compliant and also halogen-free.
