2008. 11. 20 1/4 semiconductor technical data KRC157F~krc159f epitaxial planar npn transistor revision no : 3 switching application. interface circuit and driver circuit application. features h with built-in bias resistors. h simplify circuit design. h reduce a quantity of parts and manufacturing process. h thin fine pitch small package. type no. r1(k ? ) r2(k ? ) KRC157F 10 47 krc158f 22 47 krc159f 47 22 type KRC157F krc158f krc159f mark fg fh fi equivalent circuit maximum rating (ta=25 ? ) bias resistor values mark spec characteristic symbol rating unit output voltage KRC157F~159f v o 20 v input voltage KRC157F v i 10/-6 v krc158f 10/-7 krc159f 10/-15 output current KRC157F~159f i o 50 ma power dissipation p d 50 mw junction temperature t j 150 ? storage temperature range t stg -55 q 150 ?
2008. 11. 20 2/4 KRC157F~krc159f revision no : 3 electrical characteristics (ta=25 ? ) characteristic symbol test condition min. typ. max. unit output cut-off current KRC157F~159f i o(off) v o =20v, v i =0 - - 500 na dc current gain KRC157F g i v o =5v, i o =10ma 120 - - krc158f 120 - - krc159f 100 - - output voltage KRC157F~159f v o(on) i o =5ma, i i =0.25ma - - 0.15 v input voltage (on) KRC157F v i(on) v o =0.2v, i o =5ma - - 1.5 v krc158f - - 2.2 krc159f - - 5.0 input voltage (off) KRC157F v i(off) v o =5v, i o =0.1ma 0.5 - - v krc158f 0.6 - - krc159f 1.3 - - input current KRC157F i i v i =5v - - 0.88 ma krc158f - - 0.36 krc159f - - 0.16 input resistor KRC157F r1 - 7 10 13 k ? krc158f 15.4 22 28.6 krc159f 32.9 47 61.1 resistor ratio KRC157F r2/r1 - 3.7 4.7 5.7 krc158f 1.7 2.1 26 krc159f 0.37 0.47 0.57
2008. 11. 20 3/4 KRC157F~krc159f revision no : 3
2008. 11. 20 4/4 KRC157F~krc159f revision no : 3
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