Topic

capacitive dropper

4 videos. Ranked by independent recommendations, not by views.

1. 

   1 The most Dangerous, yet Cheapest Mains Power Supply?! || Building a Capacitive Dropper Circuit!

   GreatScott! 5 people · 5 months · since May 2019

   Great Scott's video is used to explain capacitive dropper supplies and why their lack of isolation from the mains makes them hazardous.

2. 

   2 Deadly camping light with 240v USB outlet.

   bigclivedotcom 5 people · 5 months · since Jan 2017

   Big Clive tears down a camping light whose capacitive dropper can leave its USB port at mains potential; cited as a vivid example of unsafe cheap design.

3. 

   3 Deadly Lantern Fan - There's 230V AC in my iPhone !!!

   DiodeGoneWild 4 people · 3 months · since Apr 2019

   Cited as a demonstration of why cheap non-isolated capacitive dropper supplies are dangerous, using a lantern fan that puts mains voltage on a connected phone.

4. 

   4 Teardown of a G9 LED lamp.

   bigclivedotcom 3 people · 3 months · since Oct 2014

   Big Clive's teardown of a G9 LED lamp, cited to explain how mains LED lamps are built, including the capacitor and rectifier circuit inside.