2SD1957

The 2SD1957 is designed as one kind of low frequency transistor (120V, 7A) that has four points of features:(1)low saturation voltage, typical VCE(sat)=0.2 V at Ic/IB=3A/ 0.3A;(2)high DC current gain (160 to 500);(3)Pc=30 W. (Tc=25);(4)wide SOA (safe operating area).

The absolute maximum ratings of the 2SD1957 can be summarized as:(1)collector-base voltage: 120 V;(2)collector-emitter voltage: 120 V;(3)emitter-base voltage: 5 V;(4)collector current: 7 or 12 A;(4)junction temperature:150;(5)storage temperature:-55 to +150.

And the electrical characteristics of the 2SD1957 can be summarized as:(1)collector-base breakdown voltage: 120 V;(2)collector-emitter breakdown voltage: 120 V(3)emitter cutoff current: 20 mA;(4)collector-emitter saturation voltage: 0.2 V;(5)DC current transfer ratio: 160 to 500;(6)transition frequency: 40 MHz;(7)output capacitance: 100 pF. If you want to know more information such as the electrical characteristics about the 2SD1957, please download the datasheet in www.seekic.com or www.chinaicmart.com.