hey all you techno-wizards, i could use some capacitor help!

[super-sweeper]

So my 1964 Sony reel-to-reel had a capacitor explode! 


 


So I stopped in Radio Shack and found a similar-looking capacitor. The old one reads, '1 (M) / 250'. There's text above that, it appears to say ' MP = S', it's a bit hard to read since it exploded!


 


The new capacitor reads, 'MF 250v 1.0k'.


 


My question is, will this new capacitor be a suitable replacement?

 

[marks_here]

Ask Michelle she might know

 

[super-sweeper]

Michelle belongs in 1964, she can rebuild engines but I doubt she knows much a about capacitors! 

 

[vacosaurus]

Best place to ask about any old electronics is on antique radio forums. You will get your answer there. Bill,

 

[suckolux]

I only remember from my years at Radio Shack, TOO long ago that it stands for micro farads

 

[cb123]

The ole dielectric finally gave out. I haven't been able to get a hold of the repairman as of yet, but what I can recall is that there's a couple of places you can buy schematics for about $10 or $15 bucks.

 

[tolivac]

Can we see pictures of these parts,if possible.Would be easier to identify.Numbers alone aren't much help.I have fixed many tape machines,but need more "input" to go on.As the "Lost In Space" robot would say--"Insufficient Data!" "That does not compute!"

 

[luxy1205]

Alex

I'm assuming that the new capacitor you bought is a Mylar? I'm not finding any conversion chart for what a 1.0k is in value with a 1 microfarad. If you have anymore codes or numbers on your new capacitor let me know. Basically the 1 (m) means 1 microfarad. The 250 means 250 volts. You definitely need to make sure that the capacitor you want to use is a 1 microfarad!!! The 250 volts doesn't matter as long as you don't go any lower than that! If you use a capacitor that is less than 250 volts you will waste your time because it will just pop! On the other hand, you could use 1 microfarad that has 600 volts or 1 million volts. Hope that makes sense! Another option you have with your new capacitor is: if you have a multi meter that has a capacitor tester than you can test it to see if it in deed is a 1 microfarad.
I'm actually going to start replacing both my capacitors in my vintage stand mixers with new Mylar capacitors. They will run better than they did back when they were made! Let me know if that helps or not. -Michelle

 

[super-sweeper]

Michelle,

Mrs.Dated Technology pulls through! 

 


Here's you some more technology-stuff from the package of the new capacitor, I'll get you a picture later!!


 


1.0(some fancy symbol that looks like a P without the top line)F


Metallized-Film


Capacitor


 


Radial leads


250WVDC max


 


Tolerance: (an underlined plus symbol) 10%


 


Operating temperature: -40° to +85° C


 


Lead spacing: 20mm


 


 

 

[marks_here]

Is it

 

[cb123]

Alex!

You had better make sure the negative flow isn't to high, or you will blow something further on down the line.

 

[luxy1205]

Alex

That "P" without the top is a Greek letter meaning "micro" and the "F" means farad, hence microfarad. Yes, that capacitor will work for you!!! Good luck in getting him back up and running!!! -Michelle

P.S
Where's the pictures of the Sunbeam???

 

[super-sweeper]

You mean the avocado one? I didn't buy it, Michelle. They wanted to much for it! 

 


The thrift store does daily sales on specific tags (ex: green tags 75% off, yellow & blue tags 50% off), I'm hoping it'll be there when green tags go on sale! 

 

[marks_here]

Change the tag colour that's what I do

 

[luxy1205]

Alex

Cool! I hope you get the avocado Sunbeam! I'll be waiting patiently! BTW, I took a crap load of pictures of dear Phyllis and some of my Mr. Poppets! I will post those hopefully tomorrow along with pictures I just took of Goldie! -Michelle

 

[marks_here]

Okie dokie..guess I'll vacuum (looking around) something while waiting

 

[super-sweeper]

lol Mark, you can help Michelle with her Fiero as you two wait! 

 


Here's some pictures! First 4 are of the new capacitor, the other ones are the old capacitor! 

 

[tolivac]

Looks like the original cap was .1 uf or microfarad at 250V.This appears to be a line bypass cap-keeps any noise or RF on the powerline from interfering with the machines electronics.Look closely at the old cap before the 1 and you will see a decemal point.Return the 1 microfarad cap and exchange it for a .1 Uf or microfarad one-same voltage.You can use a higher voltage cap to a point--if too high the value will not correspond to the lower voltage.A 1 million volt cap at that value would be HUGE--and DANGEROUS!!!if charged to 1mil volts.Would love to see one,though.Not many of those around.Oh yes--on the orig cap in the tape deck-overvolt would be good here-say up to 400V.If you use a 400V film cap of .1 Uf bet it won't give you anymore trouble.

 

[cb123]

Alex,

have you plugged in the BIG KABOOM! yet. Just kidding, does it work?