Timeline for Why a high voltage AC always present in SMPS AC to DC power adapters
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 4, 2016 at 14:30 | comment | added | Andy aka | @Arnab if you use the device to plug into the power port of another device there is usually very little danger of destroying the target circuit but, speaking generally, any electronic component that has a voltage rating that is less than 100V is potentially vulnerable. Double this for AC 230V systems. | |
| Jan 4, 2016 at 14:26 | vote | accept | Arnab | ||
| Jan 4, 2016 at 14:26 | comment | added | Arnab | @Andy, Exactly this ! So final solution is remove HV side of the RF EMI filter cap. and connect it to the ground. Could you briefly explain which kind of electronics components are vulnerable to this AC leakage ? | |
| Jan 4, 2016 at 12:37 | comment | added | Andy aka | @Jasen absolutely the Y capacitor is the clincher because it's usually about 1nF but I was answering point (1) with regards to the "I tried to solve this by removing them, but this trick is not working". | |
| Jan 4, 2016 at 12:13 | comment | added | Jasen Слава Україні | it's also the Y capacitor. which crosses the isolation boundary. | |
| Jan 4, 2016 at 12:12 | history | edited | Jasen Слава Україні | CC BY-SA 3.0 |
missing not
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| Jan 4, 2016 at 12:08 | history | answered | Andy aka | CC BY-SA 3.0 |