Overview
The BLF278C is a high-performance RF MOSFET transistor produced by Rochester Electronics, LLC. This device is designed for use in high-power RF applications, particularly in the VHF frequency range. It is part of the BLF278 series, known for its robust performance and reliability in demanding RF environments.
Key Specifications
| Parameter | Value |
|---|---|
| Drain Source Voltage (Vds) | 125V |
| Continuous Drain Current (Id) | 18A |
| Power Dissipation (Pd) | 500W |
| Operating Frequency Range | 400MHz to 520MHz |
| Transistor Case | SOT-262A1 |
| No. of Pins | 5 Pins |
| Operating Temperature Max | 200°C |
| Junction Temperature Tj Max | 200°C |
| On Resistance Rds(on) | 200mohm |
| Vgs Max | 20V |
| Vgs th Max | 4.5V |
| Vgs th Min | 2V |
| Transistor Polarity | N Channel |
| Transistor Type | RF MOSFET |
Key Features
- High Power Handling: The BLF278C can handle up to 500W of power dissipation, making it suitable for high-power RF applications.
- Wide Frequency Range: It operates within the 400MHz to 520MHz frequency range, which is ideal for VHF applications.
- Low On-Resistance: With an on-resistance (Rds(on)) of 200mohm, this MOSFET minimizes energy losses and enhances efficiency.
- Robust Construction: The SOT-262A1 package ensures reliable performance and durability in various environmental conditions.
- High Temperature Tolerance: The device can operate up to a maximum junction temperature of 200°C.
Applications
The BLF278C is primarily used in high-power RF applications such as:
- RF Amplifiers: In high-power RF amplifiers for broadcasting, radar systems, and other communication equipment.
- Transmitters: In RF transmitters for various communication systems, including radio and television broadcasting.
- Industrial Heating: In RF heating applications where high power and frequency stability are required.
- Medical Equipment: In medical devices that use RF energy for treatments.
Q & A
- What is the maximum drain-source voltage of the BLF278C?
The maximum drain-source voltage (Vds) of the BLF278C is 125V. - What is the continuous drain current of the BLF278C?
The continuous drain current (Id) of the BLF278C is 18A. - What is the operating frequency range of the BLF278C?
The operating frequency range of the BLF278C is from 400MHz to 520MHz. - What is the package type of the BLF278C?
The BLF278C comes in a SOT-262A1 package. - What is the maximum junction temperature of the BLF278C?
The maximum junction temperature (Tj) of the BLF278C is 200°C. - What is the on-resistance (Rds(on)) of the BLF278C?
The on-resistance (Rds(on)) of the BLF278C is 200mohm. - What is the maximum gate-source voltage (Vgs) of the BLF278C?
The maximum gate-source voltage (Vgs) of the BLF278C is 20V. - In what types of applications is the BLF278C commonly used?
The BLF278C is commonly used in high-power RF amplifiers, transmitters, industrial heating, and medical equipment. - Who is the manufacturer of the BLF278C?
The BLF278C is manufactured by Rochester Electronics, LLC. - What is the storage temperature range for the BLF278C?
The storage temperature range for the BLF278C is from -65°C to 150°C.
