MRF21125

The MRF21125 is designed as RF power field effect transistors of N-channel enhancement-mode lateral MOSFETs for W-CDMA base station applications with frequencies from 2110 to 2170 MHz. Suitable for TDMA, CDMA and multicarrier amplifier applications. To be used in class AB for PCNPCS/cellular radio and WLL applications.

MRF21125 has ten features. (1) Typical 2carrier WCDMA Performance for VDD = 28Volts, IDQ = 1600mA, f1 = 2.1125 GHz, f2 = 2.1225GHz, channel bandwidth = 3.84MHz, adjacent channels at ±5MHz , ACPR and IM3 measured in 3.84MHz bandwidth. Peak/Avg = 8.5 dB @ 0.01% probability on CCDF. (2) 100% tested under 2carrier W-CDMA. (3) Internally matched, controlled Q, for ease of use. (4) High gain, high efficiency and high linearity. (5) Integrated ESD protection. (6) Designed for maximum gain and insertion phase flatness. (7) Capable of handling 5:1 VSWR, at 28Vdc, 2170MHz, 125Watts (CW) output power. (8) Excellent thermal stability. (9) Characterized with series equivalent large signal impedance parameters. (10) Available in tape and reel. R3 suffix = 250 units per 56mm, 13 inch reel. That are all the main features.

Some absolute maximum ratings of MRF21125 have been concluded into several points as follow. (1) Its drain to source voltage would be 65V. (2) Its gate to source voltage would be +15Vdc, -0.5Vdc. (3) Its total device dissipation would be 330W at 25°C and would be 1.89W/°C for derate above 25°C. (4) Its storage temperature range would be from -65°C to +150°C. (5) Its operating junction temperature would be 200°C.

Also some electrical characteristics about MRF21125. (1) Its drain to source breakdown voltage would be min 65V. (2) Its gate to source leakage current would be max 1uAdc. (3) Its zero gate voltage drain leakage current would be max 10uAdc. (4) Its forward transconductance would be typ 10.8S. (5) Its gate threshold voltage would be min 2Vdc and max 4Vdc. And so on. If you have any question or suggestion or want to know more information please contact us for details. Thank you!