At 09:15 PM 3/2/99 -0800, W6NQ wrote:
>
>In answer to question as to capacitors used in PS by Commander,
>they use the LLK2W271MHSB, a 270 uf, 450V, 105 degC snap in.
>If Alltronics has the LLK2W471MHSB, then it is a real good buy.
>(Factory price in 1000 pc lot is about $3.50.)
>However, if it is the 85 deg C version, I wouldn't use them.
>73, Merit W6NQ http://www.rfparts.com
>
>
The caps they are selling are: Nichicon LGQ2W471MHSC. According to the
Nichicon web site these are their High Reliability Type caps. I have a PDF
format data sheet for these parts. As for the question of will they work in
a HV supply string. I recently lost several caps in my SB-220 (27 yrs old)
and did not have an extra $115.00 available to purchase the drop in
replacement part that Harbach sells, so I bought 10 for $22.50. I had
already done the AG6K mods to the amp, so I just replaced the cap bank with
8 of these caps. They are about half the length of the old caps, but the
same diameter, data shows them at 1.375"D x 2.00"L. Last night I finished
the installation, and fired up the amp, NO SMOKE. Quick testing showed 1
KW out on 40M and 1 KW out on 10M, now it's on to removing the input
circuits and converting it to 6M.
Anyone needing more info, please just ask.
73
Warren - K2BM
=============================================================
Warren J. Walsh (warrenw@pentek.com) Pentek, Inc.
Design Engineer One Park Way
Phone: (201) 818-5900 x 251 Upper Saddle River, N.J.
Fax: (201) 818-5941 http://www.pentek.com/
=============================================================
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