Overview
The BF909WR,135 is an N-channel dual-gate MOSFET produced by NXP USA Inc. This component is specifically designed for RF applications, particularly in the VHF and UHF frequency ranges. It is packaged in a microminiature SOT343R (SC-82A) case, making it suitable for compact and high-performance electronic designs. Despite being marked as obsolete, it remains a valuable component for certain legacy and specialized systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | NXP USA Inc. | - |
| Transistor Type | N-Channel Dual Gate | - |
| Package / Case | SC-82A, SOT-343 | - |
| Frequency | 800 MHz | - |
| Voltage - Rated | 7 V | V |
| Current Rating (Amps) | 40 mA | A |
| Current - Test | 15 mA | A |
| Voltage - Test | 5 V | V |
| Noise Figure | 2 dB | dB |
| Drain-Source Voltage (VDS) | 7 V | V |
| Drain Current (ID) | 40 mA | A |
| Gate 1 Current (IG1) | ±10 mA | A |
| Gate 2 Current (IG2) | ±10 mA | A |
| Total Power Dissipation (Ptot) | 280 mW | mW |
| Storage Temperature Range (Tstg) | -65 to +150 °C | °C |
| Operating Junction Temperature (Tj) | - to +150 °C | °C |
Key Features
- Specially designed for use at 5 V supply voltage.
- Short channel transistor with high forward transfer admittance to input capacitance ratio.
- Low noise gain controlled amplifier up to 1 GHz.
- Superior cross-modulation performance during Automatic Gain Control (AGC).
- Enhancement type field-effect transistor with an internal bias circuit for good cross-modulation performance.
Applications
- VHF and UHF applications with 3 to 7 V supply voltage.
- Television tuners.
- Professional communications equipment.
Q & A
- Q: What is the BF909WR,135?
A: The BF909WR,135 is an N-channel dual-gate MOSFET produced by NXP USA Inc., designed for RF applications.
- Q: What is the package type of the BF909WR,135?
A: The BF909WR,135 is packaged in a microminiature SOT343R (SC-82A) case.
- Q: What are the key applications of the BF909WR,135?
A: It is used in VHF and UHF applications, such as television tuners and professional communications equipment.
- Q: What is the rated voltage and current of the BF909WR,135?
A: The rated voltage is 7 V, and the current rating is 40 mA.
- Q: Is the BF909WR,135 still in production?
A: The BF909WR,135 is marked as obsolete, meaning it is no longer in active production.
- Q: How can I ensure the authenticity of the BF909WR,135?
A: Ensure you purchase from authorized distributors or suppliers that verify the credentials of original manufacturers and authorized agents.
- Q: What is the warranty period for the BF909WR,135?
A: The warranty period varies by supplier, but typically includes a 1-year warranty for defects in materials and workmanship.
- Q: How do I handle the BF909WR,135 to prevent damage?
A: The device must be protected against static discharge during transport or handling, as it is supplied in an antistatic package.
- Q: What are the thermal characteristics of the BF909WR,135?
A: The thermal resistance from junction to ambient is 350 K/W, and from junction to soldering point is 210 K/W.
- Q: How can I find detailed information about the BF909WR,135?
A: Detailed information can be found in the datasheet available from NXP USA Inc. or through authorized suppliers' websites.
