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.
hello all i have a problem how do i find the hfe (min) of a transistor
my led is total 24 each has a resister 10 ohm 1/4watt
480ma total current
mps2222 is the transistor type but i can't calculat RL of my leds array
please help
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