INCHANGE Semiconductorisc Silicon NPN Power Transistor 2SD254DESCRIPTIONCollector-Emitter Breakdown Voltage-: V = 70V(Min)(BR) CEOCollector Power Dissipation-: P = 20W @T = 25C CMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSDesigned for use in general purpose amplifier and switchingapplications.ABSOLUTE MAXIMU

Power Transistors2SD2544Silicon NPN triple diffusion planar typeFor power amplification with high forward current transfer ratioUnit: mm5.0 0.1Features 10.0 0.2 1.0High foward current transfer ratio hFE90Satisfactory linearity of foward current transfer ratio hFEAllowing supply with the radial taping1.2 0.1 C1.02.25 0.2Absolute Maximum Ratings (TC=25C)0

Power Transistors2SD2549Silicon NPN triple diffusion planar typeFor power amplificationUnit: mmFeaturesHigh forward current transfer ratio hFE which has satisfactory4.6 0.29.9 0.32.9 0.2linearityLow collector to emitter saturation voltage VCE(sat)Full-pack package which can be installed to the heat sink with 3.2 0.1one screw1.4 0.2Absolute Maximum Rat

isc Silicon NPN Power Transistor 2SD2549DESCRIPTIONCollector-Emitter Breakdown Voltage-: V = 80V(Min)(BR)CEOLow Collector Saturation Voltgae-: V = 0.7V(Max.)@ I = 3ACE(sat) CGood Linearity of hFEMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSDesigned for power amplifier applications.ABSOLUTE MAXIMUM RATINGS(T =2