Electronics 01
Does My 7805 Need a Heatsink? Work It Out in Two Lines
A 7805 needs a heatsink above about 1.5 W. Work out the power, the junction temperature and the heatsink you need from the datasheet numbers.
A 7805 needs a heatsink above about 1.5 W. Work out the power, the junction temperature and the heatsink you need from the datasheet numbers.