Voltage regulating using zener

126

03:07:18

The voltage across the LED remains same(~2v)....whatever source you use.... Vary the source voltage....  From 3v to 80v.... It won't harm the LED.. 

published 10 years ago

thebugger

10 years ago

The zener current shouldn't be 900mA but more like 15mA

giomix

10 years ago

. . . And 1st resistor would dissipate around 55 watt. You realized a little thermostat convector

anik96

10 years ago

Actually it is theoretically OK..... But practically..... You should not use 60v to glow a led.... Even voltage regulators can't handle it

anik96

10 years ago

I used to glow a 2v LED with 9v battery.... No heating.... Working fine

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