how to calculate the base resistor
On Sunday, October 8, 2017 at 6:53:50 PM UTC, wrote:
please can anyone show me how to calculate the base resistor for an NPN transistor used as a switch. the supply voltage is 12 volts, the load is a 12 volts relay with a resistance of 300 Ohms.
thank you.
Thanks all your suggestion are well taken
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