ktc945b.pdf datasheet:

SEMICONDUCTOR KTC945BTECHNICAL DATA EPITAXIAL PLANAR NPN TRANSISTORGENERAL PURPOSE APPLICATION.SWITCHING APPLICATION.B CFEATURESExcellent hFE Linearity.: hFE(IC=0.1mA)/hFE(IC=2mA)=0.95(Typ.)N DIM MILLIMETERSLow Noise : NF=1dB(Typ.). at f=1kHzA 4.70 MAXEKB 4.80 MAXComplementary to KTA733B(O, Y, GR class). GC 3.70 MAXDD 0.45E 1.00F 1.27G 0.85H 0.45_MAXIMUM RATING (Ta=25 ) HJ 14.00 + 0.50K 0.55 MAXF FCHARACTERISTIC SYMBOL RATING UNIT L 2.30M 0.45 MAXN 1.00VCBOCollector-Base Voltage 60 V1 2 3VCEOCollector-Emitter Voltage 50 V1. EMITTER2. BASEVEBOEmitter-Base Voltage 5 V3. COLLECTORICCollector Current 150 mAPCCollector Power Dissipation 625 mWTO-92TjJunction Temperature 150Tstg -55 150Storage Temperature RangeELECTRICAL CHARACTERISTICS (Ta=25 )CHARACTERISTIC SYMBOL TEST CONDITION MIN. TYP. M