[time-nuts] 10811 thermal fuses

J. L. Trantham jltran at att.net
Wed Nov 2 20:57:49 EDT 2011


OK.  I am now in my shop and I have the items in my hand.

I got the replacements from Allied.  They are marked '141 degrees C
D139ZPXL'.  I think they were NTE.  They are 4 mm dia., 13 mm long, and the
leads are 1 mm dia.

The HP/Agilent parts are marked 'UMI 1A 250V 115 degrees C'.  They are 2 mm
dia., about 9.5 mm long, and the leads are 0.52 mm dia.

Therefore, the lead diameter would appear to be the rate limiting step in
this approach.

Joe

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Dan Rae
Sent: Wednesday, November 02, 2011 6:40 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] 10811 thermal fuses

Joe, I had forgotten that it is a tight squeeze in there, so yes, they 
may be too big to fit easily!

Dan

On 11/2/2011 2:59 PM, J. L. Trantham wrote:
> These look like the ones I got from Mouser or whom ever.  They look
> different from what I got from Agilent.  The ones from Agilent are
smaller,
> about the size of a 1/4 watt resistor, short leads, pre-bent, to allow
them
> to 'plug' into the PC board of the 10811.  Cutting the leads and
> 'pre-bending' probably explain the higher price from Agilent.  Or it could
> be the computerized tracking expense.
>
> Joe
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
> Behalf Of Dan Rae
> Sent: Wednesday, November 02, 2011 4:30 PM
> To: 'Discussion of precise time and frequency measurement'
> Subject: [time-nuts] 10811 thermal fuses
>
> While looking for something else I stumbled on an eBay seller in Hong
> Kong offering five 113°C thermal fuses for $6 including shipping, which
> seems like a reasonable deal...
>
> Item number:130579771801
>
> Usual disclaimers apply, and before anyone complains, yes, it's a
> generic photo.
>
> Dan
>
>
>



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