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.125a fuses for RF in R2200, etc.

This forum exists for the purposes for discussing service monitors (This includes but is not limited to Motorola, HP, Aeroflex, GD, etc). Additional topics allowed include test procedures, interpretation of test results, where to find information about specific tests, antenna VSWR, return loss testing, duplexer and filter alignment, etc.

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.125a fuses for RF in R2200, etc.

Postby davelane » Wed Jun 29, 2016 2:09 pm

As you probably know, these fuses are incredibly hard to find, and cutting down a larger diameter fuse is difficult. Recently I found these on Ebay. The seller's ID is huskerfan42011, and I bought a package of 20 for $10. This is Littlefuse part # 0275.125M. Get 'em while you can.

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Re: .125a fuses for RF in R2200, etc.

Postby Mike Peterson » Sun Nov 20, 2016 7:10 pm

I have used the PICO II 251 series of fuses in the fused BNC jack on my R-2600 series monitors. Littelfuse number is 0251.062MXL, and Digi-Key always seems to have lots in stock. Their number is F2307-ND. The R-2600 uses a 62mA fuse on the fused jacks. If you need the 1/8 amp quick blow, then use the Digi-Key part number F2308-ND. The fuses are very close to the same sized diameter as the 0275.125M (that fuse is 0.093" diameter and the one I mention is at 0.110" diameter... 0.017 inches larger). Might be worth looking at for the R2200?

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