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Old 11-25-2018, 04:20 PM
ZenithNut ZenithNut is offline
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Join Date: Jul 2018
Location: Humboldt County, California
Posts: 78
Quote:
Originally Posted by Electronic M View Post
Any of these should work for the boost diode. https://www.mouser.com/Semiconductor...r45Z1yopdfySGT May want to put 2 in series to ensure the replacement can take any possible voltage spike. Radio Shack used to sock a 2A 1.5KV part that I used to replace the boost on my CTC-15 but they ain't a thing anymore. Parts like diodes in sets of this vintage are probably over 3 generations obsolete so it is easier to look up the key specs and spec out a new one than find and trace forward all the missing links in the recommended successor line.

Any voltage of fuse is fine. The only spec that matters for fuses is the current. A you can take a .25A 125V fuse and put it in a device that wants a .25A 250V and vice versa and the device will work okay and the fuse will still blow at .25A current. You probably want a slow blow and not a fast acting fuse...The current averages ~200mA but spikes above 250mA for tiny fractions of each second. A fast act fuse is designed to catch that fractional spike and blow (creating lots of nuisance failure which you don't want) but the slow blow will average out the current and only blow when the average current reaches fault value.
Im gonna go with this guy for the boost diode.



https://www.mouser.com/ProductDetail...%252bUjA%3d%3d

Should work well right?

Also wanting to find a sub for 1n3195 heres the data sheet. There is a NOS 1n3195 on ebay for cheap. That is also an option.

https://www.datasheets360.com/part/d...1594065512865/

Last edited by ZenithNut; 11-25-2018 at 04:39 PM.
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