DESCRIPTION. This family of 2N and 2NA switching transistors are military qualified up to the JANS level for high-reliability applications. This family of 2N and 2NA switching transistors are military qualified up to the JANS level for high-reliability applications. These devices are also. 2N Transistor Datasheet pdf, 2N Equivalent. Parameters and Characteristics.

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2N2904 Datasheet PDF

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B Vs B Transistors. Thread starter Suraj Start date Aug 16, First Prev 2 of 2 Go to page. Suraj Active Member Sep 8, You mean if I change it to a NPN it will drop only its saturation voltage? Suraj Active Member Sep 9, I hope it will perform better than ULN Altogether 64 resisters for 32 columns. Yes, the PNP emitter-follower has a base-emitter voltage loss and the 74HC adds its output saturation voltage loss. The 2N is obsolete and is in an old metal case.

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Its max base-emitter voltage is 2. How much will be its maximum current? Hope it will perform better than ULN The datasheet of the 2N NPN transistor shows a max allowed current of mA and poor performance above about 50mA. Its max collector to emitter saturation voltage is 0.

2N 데이터시트(PDF) – Seme LAB

Again, how much will be its maximum current? Hi I need 4mA of average current. Per column 64mA peak will be fine. Is that 2N is a good choice? Suraj Active Member Sep 11, A 2N works poorly above 50mA. I would use a 2N that works well up to mA. Both cost the same at Digikey today. Suraj Active Member Oct 7, I got some improvement in LED brightness.

Semicoa 2N2904 Datasheet

I think I could lower down the value of the resistor further!!! Here how I did. The 2N has about 5mA of base current which should be a little more to get a little more collector current with the same saturation voltage loss. The 2N or BC will be a little better. For me its base current will be Doesn’t the 2N has more saturation drop than 2N?

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The typical saturated base voltage of the 2N is shown on a graph at 0. Then the base current is only 4.

The 2N has a max allowed current of only mA and its typical saturation voltage loss is shown on a graph at 0. The 2N has a 2n29004 allowed current of mA and its graph shows a typical saturation voltage loss of 0.

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