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[Amps] electrolyitc capacitors reply

To: <amps@contesting.com>
Subject: [Amps] electrolyitc capacitors reply
From: RMcGraw at Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Sat Jun 21 09:43:57 2003
If these are "photo flash" type units I would proceed with caution.  The
ripple current will cause their life to be short.

73
Bob, K4TAX

----- Original Message ----- 
From: "craxd" <craxd1@ezwv.com>
To: <amps@contesting.com>
Sent: Thursday, June 19, 2003 11:22 AM
Subject: [Amps] electrolyitc capacitors reply


> I think you mean 470 uF instead of pF @ 450 Vdc. Yes they are easily used
for what you want. At 10
> capacitors you will have 47 uF @ 4500 Vdc for the filtering. All our amps
are designed around 45-50 uF
> and work fine for the B+ plate voltage. As a matter of fact, we use those
very ones in some of our
> designs.
>
> Original message;
>
> I was given some new electrolyitc capacitors(snap in
> radial lead type) and was wondering if they were
> suitable for an HV power supply.  I'd like to use 10
> of them in series for an amplifier power supply
> project.
>
> Specs:
> 470pf @ 450 volts
> Max ESR-.529 ohms at +20 deg C and 120Hz
> Max Ripple current 1.72(A rms) at 105 deg C and 120 Hz
>
> Are they ok to use?
> 73,
> Bill
>
> =====
> Bill Smith KO4NR
>
> ________
>
> ------------SO02UHT3PAK7ZG--
>
>
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