2sc4245.pdf datasheet:

INCHANGE Semiconductorisc Silicon NPN RF Transistor 2SC4245DESCRIPTIONHigh Current-Gain Bandwidth Productf = 2400MHz TYP. @V = 10 V, I = 2 mAT CE CLow Noise100% avalanche testedMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSTV tuner , UHF mixer applicationsVHF~UHF band RF amplifier applicationsABSOLUTE MAXIMUM RATINGS(T =25)aSYMBOL PARAMETER VALUE UNITV Collector-Base Voltage 30 VCBOV Collector-Emitter Voltage 15 VCEOV Emitter-Base Voltage 3 VEBOI Collector Current-Continuous 50 mACI Base Current-Continuous 25 mABCollector Power DissipationP 0.1 WC@T =25CT Junction Temperature 125 JStorage Temperature Range -55~125 Tstg1isc websitewww.iscsemi.cn isc & iscsemi is registered trademarkINCHANGE Semiconductorisc Silicon NPN RF Transistor 2S