Whoops

Re: emt140 subminiature fuses
« Reply #20 on: March 18, 2021, 04:13:48 PM »
The original one is described as "super fast acting", but I don't know if that is important here.

Probably just "Fast" will be good enough for the task, I assume...


pucho812

Re: emt140 subminiature fuses
« Reply #21 on: March 18, 2021, 04:25:44 PM »
The original one is described as "super fast acting", but I don't know if that is important here.

i  am not sure.  of the  three sets of solid state electronics we have where this fuse is needed.  they all power on but one after being on for a short while like 0-5 minutes will trigger the fuse.  I have not dove into it yet other  then i wanted more fuses before I proceed.   ;)
You tell me whar a man gits his corn pone, en I'll tell you what his 'pinions is.

DerEber

Re: emt140 subminiature fuses
« Reply #22 on: March 19, 2021, 11:53:46 AM »
I'm quite sure I bought some at "Bürklin" some years ago.
But I'm not home and cannot look up the part number.

Could be those?
https://www.buerklin.com/de/Kleinstsicherung-radial-80%C2%A0mA-T/p/50G830
https://www.buerklin.com/de/Kleinstsicherung-radial-315%C2%A0A-T/p/46G5468

DerEber

Re: emt140 subminiature fuses
« Reply #23 on: March 20, 2021, 08:43:51 AM »

mjrippe

Re: emt140 subminiature fuses
« Reply #24 on: March 20, 2021, 03:38:10 PM »
i  am not sure.  of the  three sets of solid state electronics we have where this fuse is needed.  they all power on but one after being on for a short while like 0-5 minutes will trigger the fuse.  I have not dove into it yet other  then i wanted more fuses before I proceed.   ;)

Well 0-5 minutes does not sound like "super fast acting"  ;D  I'm sure you'll find the leaky cap once you have some spares.

pucho812

Re: emt140 subminiature fuses
« Reply #25 on: March 20, 2021, 08:27:13 PM »
Well 0-5 minutes does not sound like "super fast acting"  ;D  I'm sure you'll find the leaky cap once you have some spares.

Yup. Also need to find out the bigger issue of why the playback electronics are great but the exciter electronics don’t excite.  I can scream and bang the plate and all is well. But send to the plate and nothing
You tell me whar a man gits his corn pone, en I'll tell you what his 'pinions is.

Re: emt140 subminiature fuses
« Reply #26 on: March 27, 2021, 11:13:42 PM »
Bi Pin fuses are readily available. as 1AF

First thing to check is the continuity of the drive coil and separately check the DC offset on the output to the coil. With the module disconnected from the plate.


 

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