Overview
The BFS520,115 is a high-frequency RF transistor manufactured by NXP USA Inc. This NPN bipolar junction transistor (BJT) is designed for use in high-frequency applications, making it suitable for various communication systems and RF front-end circuits. The transistor is packaged in a SC-70 (SOT-323) surface-mount package, which is compact and ideal for modern electronic designs.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | BFS520,115 |
| Category | Transistors - Bipolar (BJT) - RF |
| Manufacturer | NXP USA Inc. |
| Description | RF TRANS NPN 15V 9GHZ SOT323-3 |
| Package / Case | SC-70, SOT-323 |
| Operating Temperature | 175°C (TJ) |
| Mounting Type | Surface Mount |
| Power - Max | 300mW |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 70mA |
| Voltage - Collector Emitter Breakdown (Max) | 15V |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 60 @ 20mA, 6V |
| Frequency - Transition | 9GHz |
| Noise Figure (dB Typ @ f) | 1.1dB ~ 2.1dB @ 900MHz |
Key Features
- High-frequency performance: Optimized for frequencies up to 9 GHz, making it suitable for RF amplifiers, oscillators, mixers, and other high-frequency applications.
- Low noise figure: With a noise figure ranging from 1.1dB to 2.1dB at 900MHz, this transistor is ideal for noise-sensitive RF circuits.
- Compact packaging: The SC-70 (SOT-323) package is small and surface-mountable, facilitating integration into modern electronic designs.
- High gain-bandwidth product: Ensures high gain and fast transition times, critical for high-frequency applications.
- Lead-free and RoHS compliant: Meets environmental and regulatory standards.
Applications
The BFS520,115 is used in a variety of high-frequency applications, including:
- RF amplifiers and oscillators in communication systems.
- RF front-end circuits in wireless communication devices.
- Mixers and other high-frequency signal processing circuits.
- Wireless communication systems such as cellular networks, Wi-Fi, and Bluetooth devices.
Q & A
- What is the BFS520,115 used for?
The BFS520,115 is used in high-frequency applications, including RF amplifiers, oscillators, mixers, and RF front-end circuits in communication systems. - What is the package type of the BFS520,115?
The BFS520,115 is packaged in a SC-70 (SOT-323) surface-mount package. - What is the maximum operating temperature of the BFS520,115?
The maximum operating temperature (TJ) is 175°C. - What is the maximum collector current of the BFS520,115?
The maximum collector current (Ic) is 70mA. - What is the collector-emitter breakdown voltage of the BFS520,115?
The collector-emitter breakdown voltage is 15V. - What is the transition frequency of the BFS520,115?
The transition frequency is 9GHz. - Is the BFS520,115 lead-free and RoHS compliant?
Yes, the BFS520,115 is lead-free and RoHS compliant. - What is the noise figure of the BFS520,115 at 900MHz?
The noise figure at 900MHz ranges from 1.1dB to 2.1dB. - How does the BFS520,115 differ from standard BJTs?
The BFS520,115 is optimized for high-frequency performance with lower capacitance, faster transition times, and a higher gain-bandwidth product compared to standard BJTs. - What are some common applications of RF BJTs like the BFS520,115?
RF BJTs are commonly used in RF amplifiers, oscillators, mixers, and RF front-end circuits in communication systems.
