Overview
The BFG540/XR,215 is an NPN silicon planar epitaxial transistor designed for wideband applications in the GHz range. Produced by NXP USA Inc., this transistor is part of the BFG540 series, which includes variants such as BFG540, BFG540/X, and BFG540/XR. These transistors are known for their high performance and reliability, making them suitable for various high-frequency applications.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| VCBO (Collector-Base Voltage) | Open Emitter | - | - | 20 | V |
| VCES (Collector-Emitter Voltage) | RBE = 0 | - | - | 20 | V |
| fT (Transition Frequency) | VCE = 8 V; IC = 40 mA | - | 9 | - | GHz |
| Package | - | - | SOT143B, SOT143R | - | - |
| Lead Count | - | - | 4 | - | - |
| Body Dimensions | - | - | 2.9 mm x 1.3 mm x 1 mm | - | - |
Key Features
- High power gain
- Low noise figure
- High transition frequency (up to 9 GHz)
- Gold metallization for excellent reliability
- Surface-mounted packages (SOT143B and SOT143R)
Applications
- Analog and digital cellular telephones
- Cordless telephones (CT1, CT2, DECT, etc.)
- Radar detectors
- Satellite TV tuners (SATV)
- MATV/CATV amplifiers
- Repeater amplifiers in fiber-optical systems
Q & A
- What is the BFG540/XR,215 transistor used for? The BFG540/XR,215 is used for wideband applications in the GHz range, such as in cellular telephones, cordless telephones, radar detectors, and satellite TV tuners.
- What are the key features of the BFG540/XR,215 transistor? Key features include high power gain, low noise figure, high transition frequency, and gold metallization for reliability.
- What are the typical applications of the BFG540/XR,215 transistor? Typical applications include analog and digital cellular telephones, cordless telephones, radar detectors, satellite TV tuners, and repeater amplifiers in fiber-optical systems.
- What is the package type of the BFG540/XR,215 transistor? The transistor is packaged in plastic SOT143B and SOT143R surface-mounted packages.
- What is the transition frequency of the BFG540/XR,215 transistor? The transition frequency is up to 9 GHz.
- Is the BFG540/XR,215 transistor still in production? No, the BFG540/XR,215 transistor is no longer manufactured by NXP USA Inc.
- What are the dimensions of the BFG540/XR,215 transistor package? The package dimensions are 2.9 mm x 1.3 mm x 1 mm.
- How many leads does the BFG540/XR,215 transistor package have? The package has 4 leads.
- What is the collector-base voltage (VCBO) of the BFG540/XR,215 transistor? The collector-base voltage (VCBO) is up to 20 V.
- What is the significance of gold metallization in the BFG540/XR,215 transistor? Gold metallization ensures excellent reliability of the transistor.
