Overview
The BF998R,235 is a silicon N-channel dual-gate MOSFET produced by NXP USA Inc. This component is part of the BF998 series and is known for its high performance in RF applications. It is packaged in a plastic microminiature SOT143R case, which is surface-mountable. The device is designed to handle high-frequency operations and is protected against excessive input voltage surges by integrated back-to-back diodes between the gates and source.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Rated | 12 | V |
| Voltage - Test | 8 | V |
| Current Rating | 30 | mA |
| Current - Test | 10 | mA |
| Frequency | 200 | MHz |
| Noise Figure | 0.6 | dB |
| Package / Case | SOT-143R | |
| Transistor Type | N-Channel Dual Gate | |
| Total Power Dissipation | 200 | mW |
| Operating Junction Temperature | -150 | °C |
| Storage Temperature | -65 to 150 | °C |
Key Features
- Short channel transistor with high forward transfer admittance to input capacitance ratio.
- Low noise gain controlled amplifier up to 1 GHz.
- Integrated back-to-back diodes between gates and source for protection against excessive input voltage surges.
- Surface-mountable in SOT143R package.
- ROHS3 compliant.
Applications
The BF998R,235 is suitable for various RF applications, including:
- VHF and UHF applications with a 12 V supply voltage.
- Television tuners.
- Professional communications equipment.
Q & A
- What is the rated voltage of the BF998R,235 MOSFET?
The rated voltage of the BF998R,235 MOSFET is 12 V.
- What is the current rating of the BF998R,235 MOSFET?
The current rating of the BF998R,235 MOSFET is 30 mA.
- What is the frequency range of the BF998R,235 MOSFET?
The BF998R,235 MOSFET operates up to 200 MHz.
- What is the noise figure of the BF998R,235 MOSFET?
The noise figure of the BF998R,235 MOSFET is 0.6 dB.
- What type of package does the BF998R,235 come in?
The BF998R,235 comes in a SOT143R surface-mount package.
- Is the BF998R,235 ROHS compliant?
- What are the typical applications of the BF998R,235 MOSFET?
The BF998R,235 is typically used in VHF and UHF applications, television tuners, and professional communications equipment.
- What is the total power dissipation of the BF998R,235 MOSFET?
The total power dissipation of the BF998R,235 MOSFET is 200 mW.
- What is the operating junction temperature range of the BF998R,235 MOSFET?
The operating junction temperature range of the BF998R,235 MOSFET is up to 150°C.
- What is the storage temperature range of the BF998R,235 MOSFET?
The storage temperature range of the BF998R,235 MOSFET is -65 to 150°C.
