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cap question
7/29/2010 2:07:29 AMBill
I have a question regarding a Sentinel Radio. It is an old Battery type Model 118B. I have restored the radio and it works perfectly. I also got a Sentinel HiLine battery eliminator that I am still working on. It has a 6P5GT Tube and several electrolytic capacitors in it. Three of the caps are labeled Mallory Type EP 1000 MFD 3 V. I am assuming that this means 1000mfd @ 3 volts. But It does not make sense. Could this mean 300 volts instead. Also where does one get 1000MFD caps at 3 volts or even 300 volts for that matter? AES does not offer anything in this range. Any help or direction will be greatly appreciated.
7/29/2010 2:53:54 AMJohnnysan
:I have a question regarding a Sentinel Radio. It is an old Battery type Model 118B. I have restored the radio and it works perfectly. I also got a Sentinel HiLine battery eliminator that I am still working on. It has a 6P5GT Tube and several electrolytic capacitors in it. Three of the caps are labeled Mallory Type EP 1000 MFD 3 V. I am assuming that this means 1000mfd @ 3 volts. But It does not make sense. Could this mean 300 volts instead. Also where does one get 1000MFD caps at 3 volts or even 300 volts for that matter? AES does not offer anything in this range. Any help or direction will be greatly appreciated.
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1000uf at 300 volts would be about the size of your fist.
Johnnysan-



7/29/2010 3:22:40 AMEdd









Sir . . . . . .Bill


Nope, definitely NOT a 300VDC rating, as the highest voltage used on that set would be its +90 volts Bee-Plus.


And that 1000 ufd at 3VDC is correct for that electrolytic value , with it being associated as the filtering medium for the 1.5 VDC A supply for the sets filaments.


And that high of a capacitance even
at that low of a voltage rating would have been a bit of a challenge back in those years.


Nowadays, that value is as common as dirt in its use in solid-i-mus state-i-fied work in these current times, but more commonly found in 6 /12 / 16VDC ratings on its voltage spec.

Its even a Ray-dee-ohhh Shack-i-mus item.




73's de Edd







1000uf at 300 volts would be about the size of your fist.

7/31/2010 1:18:07 AMbill
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Sir Edd,

Thank You so much. I followed your advice and the unit is now working. This is not the first time that your advice helped me so again, Thank You

Bill

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:Sir . . . . . .Bill
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:Nope, definitely NOT a 300VDC rating, as the highest voltage used on that set would be its +90 volts Bee-Plus.
:
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:And that 1000 ufd at 3VDC is correct for that electrolytic value , with it being associated as the filtering medium for the 1.5 VDC A supply for the sets filaments.
:
:
:And that high of a capacitance even
:at that low of a voltage rating would have been a bit of a challenge back in those years.
:
:
:Nowadays, that value is as common as dirt in its use in solid-i-mus state-i-fied work in these current times, but more commonly found in 6 /12 / 16VDC ratings on its voltage spec.
:
:Its even a Ray-dee-ohhh Shack-i-mus item.
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:73's de Edd

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:I have a question regarding a Sentinel Radio. It is an old Battery type Model 118B. I have restored the radio and it works perfectly. I also got a Sentinel HiLine battery eliminator that I am still working on. It has a 6P5GT Tube and several electrolytic capacitors in it. Three of the caps are labeled Mallory Type EP 1000 MFD 3 V. I am assuming that this means 1000mfd @ 3 volts. But It does not make sense. Could this mean 300 volts instead. Also where does one get 1000MFD caps at 3 volts or even 300 volts for that matter? AES does not offer anything in this range. Any help or direction will be greatly appreciated.
:
:
:
:1000uf at 300 volts would be about the size of your fist.
:Johnnysan-
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:

7/31/2010 10:22:58 AMLewis
::I have a question regarding a Sentinel Radio. It is an old Battery type Model 118B. I have restored the radio and it works perfectly. I also got a Sentinel HiLine battery eliminator that I am still working on. It has a 6P5GT Tube and several electrolytic capacitors in it. Three of the caps are labeled Mallory Type EP 1000 MFD 3 V. I am assuming that this means 1000mfd @ 3 volts. But It does not make sense. Could this mean 300 volts instead. Also where does one get 1000MFD caps at 3 volts or even 300 volts for that matter? AES does not offer anything in this range. Any help or direction will be greatly appreciated.
::
:
:
:1000uf at 300 volts would be about the size of your fist.
:Johnnysan-

1000 uF @ 300 Volts would be excellent for killing things, too.
Lewis


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7/31/2010 10:23:06 AMLewis
::I have a question regarding a Sentinel Radio. It is an old Battery type Model 118B. I have restored the radio and it works perfectly. I also got a Sentinel HiLine battery eliminator that I am still working on. It has a 6P5GT Tube and several electrolytic capacitors in it. Three of the caps are labeled Mallory Type EP 1000 MFD 3 V. I am assuming that this means 1000mfd @ 3 volts. But It does not make sense. Could this mean 300 volts instead. Also where does one get 1000MFD caps at 3 volts or even 300 volts for that matter? AES does not offer anything in this range. Any help or direction will be greatly appreciated.
::
:
:
:1000uf at 300 volts would be about the size of your fist.
:Johnnysan-

1000 uF @ 300 Volts would be excellent for killing things, too.
Lewis


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