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MRF18090A

Manufacturer: freescale, FREE/MOT

MRF18090A, MRF18090AS 1.80-1.88 GHz, 90 W, 26 V Lateral N-Channel RF Power MOSFETs

Partnumber Manufacturer Quantity Availability
MRF18090A freescale, FREE/MOT 207 In Stock

Description and Introduction

MRF18090A, MRF18090AS 1.80-1.88 GHz, 90 W, 26 V Lateral N-Channel RF Power MOSFETs # Introduction to the MRF18090A RF Power Transistor  

The MRF18090A is a high-power RF transistor designed for use in demanding radio frequency (RF) applications, particularly in industrial, scientific, and medical (ISM) bands, as well as broadcast and aerospace systems. This N-channel enhancement-mode lateral MOSFET is optimized for high-efficiency performance in the frequency range of 1.8 MHz to 90 MHz, making it suitable for amplifiers operating in HF and VHF spectrums.  

With a robust power output capability of up to 300 watts, the MRF18090A offers excellent linearity and thermal stability, ensuring reliable operation under high-stress conditions. Its advanced design incorporates ruggedness features to withstand high voltage standing wave ratio (VSWR) mismatches, enhancing durability in real-world applications.  

Key specifications include a typical power gain of 16 dB and a drain efficiency exceeding 65%, making it an ideal choice for RF power amplification stages. The device is housed in a high-reliability ceramic-metal package, ensuring optimal thermal dissipation and mechanical strength.  

Engineers and designers favor the MRF18090A for its consistent performance, ease of integration, and ability to handle high-power RF signals with minimal distortion. Whether used in RF generators, plasma systems, or high-power transmitters, this transistor provides a dependable solution for demanding RF amplification needs.  

For detailed application notes and circuit design considerations, consulting the manufacturer’s datasheet is recommended to ensure proper implementation and performance optimization.

Application Scenarios & Design Considerations

MRF18090A, MRF18090AS 1.80-1.88 GHz, 90 W, 26 V Lateral N-Channel RF Power MOSFETs

Alternative Part Number

  • BLF177 --: N-channel RF power MOSFET in the same 90 W class with comparable HF/VHF performance and a widely used alternative to the MRF18090A.
  • MRFE6VP61K25H --: NXP RF LDMOS power transistor offering higher output power and similar broadband RF application suitability, usable as an upgrade replacement.
  • SD2933 --: RF power MOSFET with comparable voltage and power ratings for HF/VHF amplifier designs, serving as a cross-manufacturer substitute.
  • BLF188XR --: High-power LDMOS RF transistor in the same 900 MHz / ~100 W class, commonly used as a drop-in replacement in RF amplifier designs.
  • MRFE6VP8600H --: 600 W LDMOS RF power transistor covering the same frequency range, offering higher output capability and similar application fit.
  • PTFA091201E --: LDMOS RF power transistor for 900 MHz base station applications with comparable gain and power characteristics.
  • MRF150 --: Widely available RF power MOSFET with similar characteristics, often used as an alternative in legacy RF amplifier designs.

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