??? 06/11/11 01:19 Modified: 06/11/11 02:37 Read: times |
#182595 - Parasitic diode Responding to: ???'s previous message |
FETs often have a parasitic diode from source to drain. If the FET you select has such a diode then it will be forward biased when the battery connection is reversed and the protection you seek will not exist.
Regards, Bert |
Topic | Author | Date |
battery polarity reversal -protection | 01/01/70 00:00 | |
Better Specifications Needed | 01/01/70 00:00 | |
parts | 01/01/70 00:00 | |
Circuit Behavior | 01/01/70 00:00 | |
Parasitic diode | 01/01/70 00:00 | |
diode is ok | 01/01/70 00:00 | |
Why is diode OK? | 01/01/70 00:00 | |
battery is shown in normal connection | 01/01/70 00:00 | |
I use a similar circuit | 01/01/70 00:00 | |
Threshold Note | 01/01/70 00:00 | |
Gate divider | 01/01/70 00:00 | |
Another thing to consider... | 01/01/70 00:00 | |
Gate network | 01/01/70 00:00 |