Home  Resources  References  Tubes  Forums  Links  Support 
Capacitor question
3/18/2009 7:49:24 PMJohn
What happens if I replace a 5ufd rated 10v with a 5ufd rated at 450v? Will it still work and will it last?
3/18/2009 8:32:23 PMnot a problem
:What happens if I replace a 5ufd rated 10v with a 5ufd rated at 450v? Will it still work and will it last?
3/18/2009 8:35:38 PMRon
:What happens if I replace a 5ufd rated 10v with a 5ufd rated at 450v? Will it still work and will it last?

You can always replace with a larger voltage capacitor, but never lower. As long as you have the room, it will work the same and last the same. Ron

3/18/2009 8:36:56 PMG. Berg
Someone correct me if I am wrong..but the rule-of-thumb is up 100% and down 10%

::What happens if I replace a 5ufd rated 10v with a 5ufd rated at 450v? Will it still work and will it last?
:
:You can always replace with a larger voltage capacitor, but never lower. As long as you have the room, it will work the same and last the same. Ron

3/18/2009 9:40:19 PMDoug Criner
I agree with Ron. Regarding "room," a 5-uF, 450-V film cap will be enormous for most radios. A 5-uF, 450-V electrolytic cap will be much smaller.

I'm wondering about the application for the original 5-uF, 10-V cap? That sounds like something in a solid-state ckt, rather than a tube-type radio.
Doug

:As long as you have the room, it will work the same and last the same. Ron

3/18/2009 11:48:55 PMLewis L
:I agree with Ron. Regarding "room," a 5-uF, 450-V film cap will be enormous for most radios. A 5-uF, 450-V electrolytic cap will be much smaller.
:
:I'm wondering about the application for the original 5-uF, 10-V cap? That sounds like something in a solid-state ckt, rather than a tube-type radio.
:Doug
:
::As long as you have the room, it will work the same and last the same. Ron


Final audio stage cathode bypass, maybe??

3/19/2009 5:01:04 AMPeter G. Balazsy
most likely cathode by-pass audio amp stage.
3/21/2009 10:18:22 PMJohn
:most likely cathode by-pass audio amp stage.
3/21/2009 10:20:31 PMJohn
::most likely cathode by-pass audio amp stage.

HIt the wrong key, but the 5ufd is in series with a tweeter speaker and is used in a record player. I ended up getting a 50volt to put in there. Thanks for the ideas and suggestions.

3/21/2009 10:49:51 PMLewis L
:::most likely cathode by-pass audio amp stage.
:
:HIt the wrong key, but the 5ufd is in series with a tweeter speaker and is used in a record player. I ended up getting a 50volt to put in there. Thanks for the ideas and suggestions.


I'm thinking that if it is a high freq bypass fotr a tweeter, it should be non-polarized, easily made with two 10 mFd. in series back to back.
Lewis
Lewis

3/21/2009 10:54:24 PMJohn
::::most likely cathode by-pass audio amp stage.
::
::HIt the wrong key, but the 5ufd is in series with a tweeter speaker and is used in a record player. I ended up getting a 50volt to put in there. Thanks for the ideas and suggestions.
:
:
:I'm thinking that if it is a high freq bypass fotr a tweeter, it should be non-polarized, easily made with two 10 mFd. in series back to back.
:Lewis
:Lewis

Well, the plarity wasn't marked so sounds like you are right. Didn't think of that and have some nonpolarized so will try that. Thanks



© 1989-2025, Nostalgia Air