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MRF19045 from FREE/MOT

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MRF19045

Manufacturer: FREE/MOT, MOTOROLA

MRF19045R3, MRF19045SR3 1990 MHz, 45 W, 26 V Lateral N-Channel RF Power MOSFETs

Partnumber Manufacturer Quantity Availability
MRF19045 FREE/MOT, MOTOROLA 11 In Stock

Description and Introduction

MRF19045R3, MRF19045SR3 1990 MHz, 45 W, 26 V Lateral N-Channel RF Power MOSFETs **Introduction to the MRF19045 RF Power Transistor**  

The MRF19045 is a high-performance RF power transistor designed for applications requiring robust power amplification in the UHF and microwave frequency ranges. This component is widely utilized in industries such as telecommunications, radar systems, and industrial RF equipment, where reliability and efficiency are critical.  

Engineered with advanced semiconductor technology, the MRF19045 offers high power gain, excellent thermal stability, and low distortion, making it suitable for both pulsed and continuous-wave (CW) operations. Its rugged construction ensures durability under demanding conditions, while its optimized design minimizes power loss, enhancing overall system efficiency.  

Key specifications of the MRF19045 include a high breakdown voltage, superior linearity, and a wide operating bandwidth, allowing it to support frequencies up to several gigahertz. These characteristics make it an ideal choice for base stations, broadcast transmitters, and military communication systems.  

The transistor is typically housed in a metal-ceramic package, providing effective heat dissipation and mechanical protection. Proper thermal management is essential for maximizing performance and longevity, so appropriate heat sinking and circuit design considerations are recommended.  

For engineers and designers working on high-power RF applications, the MRF19045 represents a dependable solution that balances performance, durability, and efficiency. Its technical attributes and proven reliability make it a preferred component in critical RF amplification tasks.

Application Scenarios & Design Considerations

MRF19045R3, MRF19045SR3 1990 MHz, 45 W, 26 V Lateral N-Channel RF Power MOSFETs

Alternative Part Number

  • BLF245 --: LDMOS RF power transistor with comparable 45W-class output and similar HF/VHF application coverage, widely used as a drop-in replacement in RF amplifier designs.
  • MRF151G --: High-power RF MOSFET in the same power class, suitable for broadband RF amplifier stages where the MRF19045 is used.
  • SD2933 --: RF power MOSFET with similar voltage and power ratings, commonly substituted in industrial RF generator and amplifier circuits.
  • ARF448 --: RF power MOSFET offering similar voltage and power handling, usable as a functional substitute in RF power amplifier circuits.

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