2SB1644

The 2SB1644 is designed as one kind of power transistor (-80V, -4A) that has two points of features:(1)low saturation voltage, typical VCE(sat)=-0.5 V at Ic/IB=-3A / -0.3A;(2)excellent DC current gain characteristics.

The absolute maximum ratings of the 2SB1644 can be summarized as:(1)collector-base voltage: -80 V;(2)collector-emitter voltage: -80 V;(3)emitter-base voltage: -5 V;(4)collector current: -4 A or -6 A;(4)junction temperature:150;(5)storage temperature:-55 to +150.

And the electrical characteristics of the 2SB1644 can be summarized as:(1)collector-base breakdown voltage: -80 V;(2)collector-emitter breakdown voltage: -60 V(3)emitter cutoff current: -10 uA;(4)collector-emitter saturation voltage: -1.5 V;(5)DC current transfer ratio: 100 to 320;(6)transition frequency: 12 MHz;(7)output capacitance: 100 pF;(8)base-emitter saturation voltage: -1.5 V. If you want to know more information such as the electrical characteristics about the 2SB1644, please download the datasheet in www.seekic.com or www.chinaicmart.com.