[time-nuts] 10811 unsoldered fuse

Glen Hoag hoag at hiwaay.net
Sun Oct 25 13:34:44 EDT 2015


The backwards UR logo indicates that the device is recognized under the Underwriters Laboratories component recognition program. 

Sent from my iPhone

> On Oct 25, 2015, at 11:16, Luca Dal Passo <iw2lje at gmail.com> wrote:
> 
> Hi Joe,
>     the part is marked as follow:
> 
> mD NK 00
> 6109A RU
> 
> The letter R before U, is written as it was seen in a mirror.
> 
> Bye
> Luca
> 
> 
> 
> Il sabato 24 ottobre 2015, J. L. Trantham <jltran at att.net> ha scritto:
> 
>> Luca,
>> 
>> Any identifying marks on the part?
>> 
>> Thanks.
>> 
>> Joe
>> 
>> -----Original Message-----
>> From: time-nuts [mailto:time-nuts-bounces at febo.com <javascript:;>] On
>> Behalf Of Luca Dal Passo
>> Sent: Saturday, October 24, 2015 1:49 AM
>> To: Discussion of precise time and frequency measurement
>> Subject: [Bulk] Re: [time-nuts] 10811 unsoldered fuse
>> 
>> Hi all,
>>   i have on my desk a disassembled 10811 for service. It has a thermal
>> fuse of the rectangular black type placed just above the IC. The leads are
>> plugged into two very small sockets on the pcb, they are not soldered.
>> Bye
>> Luca
>> iw2Lje
>> 
>> 
>> 
>> Il giovedì 22 ottobre 2015, J. L. Trantham <jltran at att.net <javascript:;>>
>> ha scritto:
>> 
>>> David,
>>> 
>>> Good to know.  Thanks for the info.  Any idea of a source for that part?
>>> 
>>> I don't remember whether my fuse was soldered in or plugged in.
>>> Whatever it was, I replaced it the same way.
>>> 
>>> Thanks again.
>>> 
>>> Joe
>>> 
>>> -----Original Message-----
>>> From: time-nuts [mailto:time-nuts-bounces at febo.com <javascript:;>
>> <javascript:;>] On
>>> Behalf Of David G. McGaw
>>> Sent: Wednesday, October 21, 2015 10:02 AM
>>> To: Discussion of precise time and frequency measurement
>>> Subject: [Bulk] Re: [time-nuts] [Bulk] 10811 unsoldered fuse
>>> 
>>> That probably is an original thermal cutout.  It matches ones I have
>>> found when repairing 10811As.
>>> 
>>> David
>>> 
>>> 
>>>> On 10/20/15 7:59 AM, J. L. Trantham wrote:
>>>> Dimitri,
>>>> 
>>>> That clearly is not the 'original' thermal fuse that I found in my
>> 10811.
>>>> Mine was a small, axial lead, cylindrical part.
>>>> 
>>>> It looks like someone substituted a different part (is that a fuse
>>>> or a
>>>> cutoff?) and did a poor job soldering.  I think the temperature is
>>>> correct though.  I'd have to look at the manual to know for sure.
>>>> 
>>>> My 'fuse' failed and I replaced it.  All the soldering was OK on my
>> unit.
>>>> 
>>>> Joe
>>>> 
>>>> -----Original Message-----
>>>> From: time-nuts [mailto:time-nuts-bounces at febo.com <javascript:;>
>> <javascript:;>]
>>>> On
>>> Behalf Of
>>>> Dimitri.p
>>>> Sent: Monday, October 19, 2015 2:32 PM
>>>> To: time-nuts at febo.com <javascript:;> <javascript:;>
>>>> Subject: [Bulk] [time-nuts] 10811 unsoldered fuse
>>>> 
>>>> How common is it to find undetected missing solder on 10811 parts
>>>> after all these years?
>>>> 
>>>> Dimitri
>>>> 
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