Transistors

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The HF12-125 is a 12.5V epitaxial silicon NPN planar transistor designed primarily for HF communications. This device utilizes emitter ballasting to achieve extreme ruggedness under severe operating conditions. The HF12-series products utilize the unique Spectrum Devices’ Bipolar process which offers a 67% improvement in collector-base breakdown voltage, enhancing reliability while maintaining RF performance.
APT RF’s Avionics Transistor, 800W, Class C, common base power transistor is designed for TCAS systems covering 1030-1090 MHz with 32uS, 1% pulsing at Vcc = 50V
Integra’s lineup of S-band silicon bipolar power transistors boasts performance unmatched by any other vendor. These transistors are designed to address the most stringent requirements for civilian and military radar, including ground, naval, and airborne mechanically and electronically scanned antennas
The 2731-100M is a high performance, common base, class C output stage offering 100W of peak power, 40% collector efficiency, excellent 8.0 dB power gain flatness, and a hermetically-sealed high reliability package for Air Traffic Control and Military Radar applications...
The 0405-1000M transistor from Microsemi Power Products Group is designed for UHF frequency, 400 to 450 MHz. This high performance, common emitter, class C, output stage offers unparalleled performance of 1000W of peak power, 70% collector efficiency at 450 MHz, and is in a hermetically sealed package for the best reliability for weather radar and over the horizon radar applications...
The high power pulsed transistor part number IDM165L650 is designed for VHF-Band systems operating at 125-167 MHz. Operating at a pulse width of 1ms with a duty factor of 20%, this dual MOSFET device supplies a minimum of 650 watts of peak pulse power at a fixed input power of 80 watts across the instantaneous operating bandwidth of 125-167 MHz...
Microsemi Corporation recently introduced the new 1,500 watt RF power transistor for UHF pulsed radar applications, thus expanding its industry-leading portfolio of high power silicon carbide transistors.
The HF50-250 RF Power transistor is designed for the 50V, 2-30 MHz RF Amplifier, RF Power Supply and RF Power Generator markets. Operating at 30 MHz and 50 Volts DC, the device will provide a minimum Power Gain of 14.5 dB, with the minimum Output Power specified at 250 Watts, PEP.