Greetings everyone.If you have a radio that uses the old potted paper capacitors in a box can you use new paper capacitors to replace.This is in regards to a Philco model 62 that has 2 2mf caps probably in the potted box,so can a set of 2 1mf paper caps(rated for 630 volts DC) in parallel be used for each of the 2 mf caps??Can this be done without overheating .Are these paper caps basically the same as the old ones in power supply.I know you could use new tiny electrolytic caps but can this be done?

You can do exactly what you suggest. Except, however, paper caps aren't being manufactured, and haven't been for decades. The modern caps you speak of are properly called "film" caps - the dielectric is mylar or some similar material, not paper. The modern film caps should last indefinitely. 630-V caps will be more than adequate.

You can also use electrolytic caps, but be careful to install with the correct polarity.
Doug

:Greetings everyone.If you have a radio that uses the old potted paper capacitors in a box can you use new paper capacitors to replace.This is in regards to a Philco model 62 that has 2 2mf caps probably in the potted box, so can a set of 2 1mf paper caps (rated for 630 volts DC) in parallel be used for each of the 2 mf caps??Can this be done without overheating .Are these paper caps basically the same as the old ones in power supply. I know you could use new tiny electrolytic caps but can this be done?
:

:You can do exactly what you suggest. Except, however, paper caps aren't being manufactured, and haven't been for decades. The modern caps you speak of are properly called "film" caps - the dielectric is mylar or some similar material, not paper. The modern film caps should last indefinitely. 630-V caps will be more than adequate.
:
:You can also use electrolytic caps, but be careful to install with the correct polarity.
:Doug
:I found a site ,Jensen capacitors.com that makes handmade paper in oil capacitors up to 1 mf ,so I I am wondering about this.Thanks Doug C. for your answer, I would like to use capacitors other than electrolytic for the really old radios.I like the weighty bulky components rather than small electrolytic caps sitting in the bottom of a huge metal box.I am weird that way,however for later radios with electrolytic caps I would replace these with small electrolytic caps inside the round can::Greetings everyone.If you have a radio that uses the old potted paper capacitors in a box can you use new paper capacitors to replace.This is in regards to a Philco model 62 that has 2 2mf caps probably in the potted box, so can a set of 2 1mf paper caps (rated for 630 volts DC) in parallel be used for each of the 2 mf caps??Can this be done without overheating .Are these paper caps basically the same as the old ones in power supply. I know you could use new tiny electrolytic caps but can this be done?
::
:

Yes, I wasn't thinking of paper-in-oil caps. They would be fine, but expensive, I fear. They are prized by audiophiles in the audio signal path - particularly the NOS Vitamin Q caps by Sprague. I'm unsure of any advantage in using paper-in-oil caps for power supply filters.
Doug

::I found a site ,Jensen capacitors.com that makes handmade paper in oil capacitors up to 1 mf ,so I I am wondering about this.