2N4349 Datasheet and Replacement

2N4338/4339/4340/4341Vishay SiliconixN-Channel JFETsPRODUCT SUMMARYPart Number VGS(off) (V) V(BR)GSS Min (V) gfs Min (mS) IDSS Max (mA)2N4338 -0.3 to -1 -50 0.6 0.62N4339 -0.6 to -1.8 -50 0.8 1.52N4340 -1 to -3 -50 1.3 3.62N4341 -2 to -6 -50 2 9FEATURES BENEFITS APPLICATIONSD Low Cutoff Voltage: 2N4338

2N34422N4347HIGH POWER INDUSTRIAL TRANSISTORSHIGH POWER INDUSTRIAL TRANSISTORSNPN silicon transistors designed for applications in industrial and commercial equipment including highfidelity audio amplifiers, series and shunts regulators and power switches. Low Collector-Emitter Saturation Voltage VCE(sat) = 1.0 Vdc (Max) @ IC = 2.0 Adc 2N4347 Collector-Emitter Susta

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N-Channel JFETLow Noise AmplifierCORPORATION2N4338 2N4341FEATURES ABSOLUTE MAXIMUM RATINGS(T = 25oC unless otherwise noted)A Exceptionally High Figure of Merit Radiation Immunity Gate-Source or Gate-Drain Voltage . . . . . . . . . . . . . . . . -50V Extremely Low Noise and Capacitance Gate Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

isc Silicon NPN Power Transistor 2N4347DESCRIPTIONExcellent Safe Operating AreaLow Collector-Emitter Saturation Voltage100% avalanche testedMinimum Lot-to-Lot variations for robust device performanceand reliable operation.APPLICATIONSDesigned for application in industrial and commercialequipment including high fidelity audio amplifier,seriesand shunt regulators and

isc Silicon NPN Power Transistor 2N4348DESCRIPTIONExcellent Safe Operating AreaLow Collector-Emitter Saturation VoltageThe device employs the popular JEDEC TO-3100% avalanche testedMinimum Lot-to-Lot variations for robust device performanceand reliable operation.APPLICATIONSHigh voltage high current power transistorsABSOLUTE MAXIMUM RATINGS(T =25)aSYMBOL P