SD1544

The SD1544 is a gold metallized,silicon NPN transistor.Features of the SD1544 are:(1)gold metallization;(2)hermetic stripline package;(3)1.0 W @ 2GHz with greater than 5dB gain;(4)designed for amplifiers and oscillators.

The absolute maximum ratings of the SD1544 can be summarized as:(1):the symbol is VCBO,the parameter is collector-base voltage,the value is 50.0,the unit is V;(2):the symbol is VCEO,the parameter is collector-emitter voltage,the value is 30.0,the unit is V;(3):the symbol is VEBO,the parameter is emitter-base voltage,the value is 3.5,the unit is V;(4):the symbol is IC,the parameter is collector current(max.),the value is 0.25,the unit is A;(5):the symbol is PTOT,the parameter is total device dissipation at +25,the value is 5.8,the unit is W;(6):the symbol is TSTG,the parameter is storage temperature,the value is -65 to +200,the unit is ;(7):the symbol is TJ,the parameter is junction temperature,the value is +200,the unit is .

The electrical characteristics of the SD1544 can be summarized as:(1):the symbol is BVCBO,the test conditions is IC=1mA,IB=0,the value is 50.0,the unit is V;(2):the symbol is BVEBO,the test conditions is IE=1mA,IC=0,the value is 3.5,the unit is V;(3):the symbol is BVCEO,the test conditions is IC=5mA,IB=0,the value is 30.0,the unit is V;(4):the symbol is hFE,the test conditions is VCE=5.0V,IC=50mA,the min is 10.0,the max is 250.0.