Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
2N4403 is a standard type, PNP in a TO-92 case -- NTE159 will replace it, but is likely to be more expensive. On Semi datasheet here, Mouser stocks it an both Vishay and Central product lines. NTE159 is about 8 times the cost of the 2N4403 at Mouser...
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