MRF453

The MRF453 is designed for power amplifier applications in industrial, commercial and amateur radio equipment to 30MHz. The features of MRF453 are specified 12.5 V, 30 MHz characteristics: output power=60 W (PEP),  minimum gain=13 dB and efficiency=55%.

The following is about the absolute maximum ratings of MRF453: (1)collector-emitter voltage, VCEO: 18 V; (2)collector-base voltage, VCBO: 36 V; (3)emitter-base voltage, VEBO: 4.0 V; (4)total device dissipation @ TC=25, PD: 175 W and derate 10 W/ above 25 ; (5)storage temperature range, Tstg: -65 to +150; (8)thermal resistance, junction to case, RJC: 1.0/W.

The electrical characteristics of the MRF453 are: (1)collector-emitter breakdown voltage: 18V at IC=100mA, IB=0; (2)collector-emitter breakdown voltage: 36V min and 50C typ at IC=50mA, VBE=0; (3)emitter-base breakdown voltage: 4.0V at IE=10mA, IC=0; (4)DC current gain: 10 min and 150 max at IC=5.0A, VCE=5.0V; (5)output capacitance: 250pF max at VCB=12.5V, IE=0, f=1.0MHz.