STX112 silicon npn power darlington transistor n monolithic darlington configuration n integrated antiparallel collector-emitter diode applications n linear and switching industrial equipment description the device is a silicon epitaxial-base npn transistor in monolithic darlington configuration mounted in to-92 plas tic package. it is intented for use in linear and switching applications. ordering codes: STX112 (shipment in bulk) STX112-ap (shipment in ammopack) internal schematic diagram r 1 typ.= 7k w r 2 typ.= 230 october 2000 to-92 absolute maximum ratings symbol parameter value unit v cbo collector-base voltage (i e = 0) 100 v v ceo collector-emitter voltage (i b = 0) 100 v v ebo emitter-base voltage (i c = 0) 5 v i c collector current 2 a i cm collector peak current 4 a i b base current 50 ma p tot total dissipation at t amb = 25 o c 1.2 w t stg storage temperature -65 to 150 o c t j max. operating junction temperature 150 o c ? 1/5
thermal data r thj-amb thermal resistance junction-ambient max 104 o c/w electrical characteristics (t case = 25 o c unless otherwise specified) symbol parameter test conditions min. typ. max. unit i ceo collector cut-off current (i b = 0) v ce = 50 v 2 ma i cbo collector cut-off current (i e = 0) v cb = 100 v 1 ma i ebo emitter cut-off current (i c = 0) v eb = 5 v 2 ma v ceo(sus) * collector-emitter sustaining voltage (i b = 0) i c = 30 ma 100 v v ce(sat) * collector-emitter saturation voltage i c = 2 a i b = 8 ma 2.5 v v be * base-emitter voltage i c = 2 a v ce = 4 v 2.8 v h fe * dc current gain i c = 1 a v ce = 4 v i c = 2 a v ce = 4 v 1000 500 * pulsed: pulse duration = 300 m s, duty cycle 1.5 % safe operating area derating curve STX112 2/5
dc current gain base-emitter saturation voltage freewheel diode forward voltage collector-emitter saturation voltage base-emitter on voltage STX112 3/5
dim. mm inch min. typ. max. min. typ. max. a 4.58 5.33 0.180 0.210 b 4.45 5.2 0.175 0.204 c 3.2 4.2 0.126 0.165 d 12.7 0.500 e1.27 0.050 f 0.4 0.51 0.016 0.020 g0.35 0.14 to-92 mechanical data STX112 4/5
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