Overview
The BFS20,215 is an NPN medium frequency transistor produced by Nexperia USA Inc. This transistor is encapsulated in a SOT23 plastic package, which is designed for surface mounting and offers excellent thermal management and insulation. The BFS20 is AEC-Q101 qualified, making it suitable for automotive and other demanding applications. It is known for its moderate current gain and finely tuned frequency response, which makes it ideal for both analog and switching circuits.
Key Specifications
| Parameter | Specification |
|---|---|
| Type | NPN medium frequency transistor |
| Package | SOT23 |
| Package Size | 2.9 x 1.3 x 1 mm |
| DC Current Gain (hFE) [min] | 40 @ 7mA, 10V |
| Transition Frequency (fT) [min] | 450 MHz |
| Continuous Collector Current (IC) [max] | 25 mA |
| Collector-Base Voltage (VCBO) [max] | 30 V |
| Collector-Emitter Voltage (VCEO) [max] | 20 V |
| Emitter-Base Voltage (VEBO) [max] | 4 V |
| Feedback Capacitance [typ] | 350 fF |
| RoHS Status | ROHS3 Compliant |
Key Features
- Low Feedback Capacitance: The BFS20 has a very low feedback capacitance of typically 350 fF, which is beneficial for high-frequency applications.
- High Frequency Performance: With a transition frequency (fT) of 450 MHz, it is well-suited for medium to high-frequency applications.
- Automotive Qualification: AEC-Q101 qualified, ensuring reliability and performance in automotive and other demanding environments.
- Compact Packaging: The SOT23 package is compact and surface-mountable, making it ideal for space-efficient designs.
- Thermal Management: The package design enhances thermal management, contributing to the overall performance and longevity of the transistor.
Applications
The BFS20,215 transistor is versatile and finds applications in various fields, including:
- IF and VHF Circuits: Suitable for intermediate frequency (IF) and very-high-frequency (VHF) thick and thin-film circuit applications.
- Power Management Systems: Used in power management systems due to its efficient signal amplification and switching capabilities.
- RF Amplifiers and Audio Equipment: Frequently used in radio frequency (RF) amplifiers and audio equipment for its ability to amplify signals without substantial distortion.
- TV Broadcasting and Satellite Communications: Utilized in TV broadcasting and satellite communications for precise frequency management.
Q & A
- What is the package type of the BFS20,215 transistor?
The BFS20,215 transistor is packaged in a SOT23 plastic package.
- What are the key applications of the BFS20,215 transistor?
The BFS20,215 is used in IF and VHF circuits, power management systems, RF amplifiers, audio equipment, TV broadcasting, and satellite communications.
- What is the maximum collector current of the BFS20,215 transistor?
The maximum collector current (IC) is 25 mA.
- What is the transition frequency (fT) of the BFS20,215 transistor?
The transition frequency (fT) is 450 MHz.
- Is the BFS20,215 transistor AEC-Q101 qualified?
Yes, the BFS20,215 transistor is AEC-Q101 qualified.
- What is the feedback capacitance of the BFS20,215 transistor?
The feedback capacitance is typically 350 fF.
- What is the collector-emitter voltage (VCEO) of the BFS20,215 transistor?
The collector-emitter voltage (VCEO) is 20 V.
- Is the BFS20,215 transistor RoHS compliant?
Yes, the BFS20,215 transistor is ROHS3 compliant.
- What is the DC current gain (hFE) of the BFS20,215 transistor?
The DC current gain (hFE) is 40 @ 7mA, 10V.
- What are the dimensions of the SOT23 package?
The dimensions of the SOT23 package are 2.9 x 1.3 x 1 mm.
