hi everyone here...i'm designing an intercom and i couldn't get transistor 2N2926.pls if anyone got a suitable transistor let me know...thanks.
And in place of a 25uF capacitor,can i use 22uF?

 

My book says: BC168, 183, 238, 548 for replacements, but any general purpose NPN like 2N3904, 2N2222 or 2N4401 should be OK

22uF is close enough to25uF

 

Yes, electrolytics have extremely wide tolerance ranges, +50%/-20% is common! - so 10% in the marking doesn't matter at all.

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thanks i'll hit you up when i'm thru

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