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Peak Output Power 275W
Application Telecom
Operating Voltage 48 V
Frequency 0.5 - 1.0 GHz
Package Type Surface Mount
Efficiency 56%
Gain 18 dB
Technology LDMOS

High Power RF LDMOS FET 275 W, 48 V, 733 – 805 MHz

SKU: PTRA083818NF-V1

The PTRA083818NF is a 275-watt LDMOS FET intended for use in multi-standard cellular power amplifier applications in the 733 to 805 MHz frequency band. Features include input matching, high gain and thermally-enhanced package with earless flanges. Manufactured with Wolfspeed's advanced LDMOS process, this device provides excellent thermal performance and superior reliability.


  • Broadband internal input matching
  • Asymmetrical Doherty design
    • Main : P1dB = 165 W Typ
    • Peak : P1dB = 250 W Typ
  • Typical Pulsed CW performance, 805 MHz, 48 V, combined outputs
    • Output power at P1dB = 275 W
    • Efficiency = 59.6%
    • Gain = 18.6 dB
  • Capable of handling 10:1 VSWR @ 48 V, 81.3 W CW output power
  • Integrated ESD protection
  • Human Body Model class 1C (per ANSI/ESDA/JEDEC JS-001)
  • Low thermal resistance
  • Pb-free and RoHS compliant



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