I am corious to know a 20A battery charger for commercial,it use sandwich rectifier, it make no sense as standard axial rectifiers with high current & small size is readaly available.Does any person know ? Thanks.
Sandwich Rectifiers ?
Nov 15, 2004
2 Replies
First reply
Most likely a selenium rectifier. These were used before silicon diodes became affordable. They have more voltage drop that a diode and when then short they smell something terrible, not to mention the sparks that they kick up.
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