Quick! What’s a Safety Capacitor?

What’s a safety capacitor? What’s are the differences between X, Y and XY safety capacitors? Find out in this quick one minute tutorial.

About One Minute Tutorials:
I often include short tutorials in my videos. But they’re hard to find when you just want a quick answer to a question. So I’ve created this One Minute Tutorial series:
• Short snippets from my videos.
• A quick lesson without a lot of fuss.

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[Geoduck.]

I've always called them "Death Cap". This is very useful information.

[christianbergeron]

Short and very clear explanation. Trick to remember X and Y is very good :-) Thanks

[thTek]

Really objetive, I apreciate it ! ⭐⭐⭐⭐⭐

[montech]

Are snubber caps (for both rectifiers and/or power switch) Y type?

[jesussilvarivaflecha]

¿Esta bien utilisarlo para audio tanbien, en amplificadores en sierto planos que requieren dicho valor, como 220pf, 330pf ?

[countryside]

Do have one question. In older tube radios they use a wax capacitor I have one that is a .047 at 200 volts. Can a disc. cap. replace this type of cap.? if so what value would you use?

[ckngmad]

What if my house installation only have 2 wire, live and neutral ?

Is this the cause, why my pc sometimes give me shock when i touch the case?

Because i manage to open my pc psu and find out theres 2 blue safety cap in main connector

[ITSHAA-ynzc]

Don’t capacitors pass ac? Please tell me why they don’t make a short across the line. Thanks!

[KeritechElectronics]

XY capacitors... how do you test the karyotype? :D

[gabrielphilips]

can a safety capacitor protect the circuit from a lightning strike?