2SC1645

The 2SC1645 is designed as one kind of high-gain amplifier transistor (-32 V, -0.3 A) taht has three points of features:(1)darlington connection for high DC current gain;(2)built-in 4 k resistor between base and emitter;(3)complements the 2SD1383K.

The absolute maximum ratings of the 2SC1809 can be summarized as:(1)collector-base voltage: -40 V;(2)collector-emitter voltage: -32 V;(3)emitter-base voltage: -6 V;(4)collector current: -0.3 A;(5)collector power dissipation: 300 mW;(6)junction temperature: 150 ;(7)storage tmeperature range: -55 to +150 .

And the electrical characteristics of the 2SC1809 can be summarized as:(1)collector-base breakdown voltage: -40 V;(2)collector-base breakdown voltage: -32 V;(3)output capacitance: 3 pF;(4)transition frequency: 200 MHz;(5)collector-emitter saturation voltage: -1.5 V;(6)DC current transfer ratio:5000. If you want to know more information such as the electrical characteristics about the 2SC1809, please download the datasheet in www.seekic.com or www.chinaicmart.com .