2sa490.pdf datasheet:

isc Silicon PNP Power Transistor 2SA490DESCRIPTIONHigh Collector Current:: I = -3ACCollector-Emitter Breakdown Voltage: V = -40V(Min)(BR)CEOComplement to Type 2SC790Minimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONS10 Watts output applicationsPower amplifier applications.ABSOLUTE MAXIMUM RATINGS(T =25)aSYMBOL PARAMETER VALUE UNITV Collector-Base Voltage -50 VCBOV Collector-Emitter Voltage -40 VCEOV Emitter-Base Voltage -5 VEBOI Collector Current-Continuous -3 ACI Emitter Current-Continuous 3 AETotal Power DissipationP 25 WC@ T =25CT Junction Temperature 150 JT Storage Temperature Range -55~150 stg1isc websitewww.iscsemi.com isc & iscsemi is registered trademarkisc Silicon PNP Power Transistor 2SA490ELECTRICAL CHARACTERISTICST =25 unles