krc101-krc106.pdf datasheet:

SEMICONDUCTOR KRC101~KRC106TECHNICAL DATA EPITAXIAL PLANAR NPN TRANSISTORSWITCHING APPLICATION. INTERFACE CIRCUIT AND DRIVER CIRCUIT APPLICATION. B CFEATURES With Built-in Bias Resistors.Simplify Circuit Design.Reduce a Quantity of Parts and Manufacturing Process.N DIM MILLIMETERSA 4.70 MAXEKB 4.80 MAXGC 3.70 MAXDD 0.45E 1.00F 1.27G 0.85H 0.45_HJ 14.00 + 0.50EQUIVALENT CIRCUIT BIAS RESISTOR VALUESK 0.55 MAXF FL 2.30TYPE NO.R1(k) R2(k)M 0.45 MAXOUTN 1.00KRC101 4.7 4.71 2 31. EMITTERKRC102 10 10R12. COLLECTORINKRC103 22 223. BASER2KRC104 47 47TO-92KRC105 2.2 47COMMONKRC106 4.7 47MAXIMUM RATING (Ta=25)CHARACTERISTIC SYMBOL RATING UNITVOOutput Voltage 50 VKRC101106KRC101 20, -10KRC102 30, -10KRC103 40, -10VIInput Voltage VKRC104 40, -10KRC105 12, -5KR