This protection circuit for sources up to 20 V was found in a 1980s documentation. The circuit triggers when the voltage exceeds 13 V causing the protective fuse to blow.
![](/images/stories/cir/223512352023_164435_0001.gif)
This protection circuit for sources up to 20 V was found in a 1980s documentation. The circuit triggers when the voltage exceeds 13 V causing the protective fuse to blow.