ghz technology inc. reserves the right to make changes without further notice. ghz recommends that before the product(s) described herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory. ghz technology inc. 3000 oakmead village drive, santa clara, ca 95051-0808 tel. 408 / 986-8031 fax 408 / 986-8120 umil 3 3 watts, 28 volts, class ab defcom 225 - 400 mhz general description the UMIL3 is a common emitter broadband transistor specifically intended for use in the 225-400 mhz frequency band. it may be operated in class ab or c. gold metallization and silicon diffused resistors ensure ruggedness and high reliability. case outline 55ft, style 2 absolute maximum ratings maximum power dissipation @ 25 c 11 watts o maximum voltage and current bvces collector to emiter voltage 55 volts bvebo emitter to base voltage 4.0 volts ic collector current 0.7 a maximum temperatures storage temperature - 65 to +150 c o operating junction temperature +150 c o electrical characteristics @ 25 c o symbol characteristics test conditions min typ max units pout pin pg h c vswr power output power input power gain efficiency load mismatch tolerance f = 400 mhz vcc = 28 volts 3 11.8 13 60 0.2 30:1 watts watts db % bvebo bvces bvceo cob h fe q jc emitter to base breakdown collector to emitter breakdown collector to emitter breakdown output capacitance dc - current gain thermal resistance ie = 5 ma ic = 20 ma ie = 50 ma vcb = 28 v, f = 1 mhz vce = 5 v, ic = 100 a 4.0 55 30 10 4.5 45 150 16 volts volts volts pf c/w o issue august 1996
UMIL3 august 1996
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