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Re: Replacement battery for 8566A


 

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The best solution is to go with nicads as originally designed.?


Peter

On Mar 29, 2019, at 12:42 PM, Dave Wise <david_wise@...> wrote:

?You can make a great?low-leakage diode from?the collector junction of virtually any modern small-signal?transistor.


Dave Wise


From: [email protected] <[email protected]> on behalf of Ed Breya via Groups.Io <edbreya@...>
Sent: Thursday, March 28, 2019 4:46 PM
To: [email protected]
Subject: Re: [HP-Agilent-Keysight-equipment] Replacement battery for 8566A
?
I'd recommend against using Schottky diodes for isolation of a lithium primary cell. It's important to minimize reverse leakage current, which tends to "charge" the cell, which is a no-no. Usually a small-signal silicon diode is used, and sometimes a special low-leakage one. It depends on the particular cell type and size. There may be specifications on primary Li cells regarding how much reverse current they can safely absorb, but it's best to make it as tiny as possible.

Ed

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