mm - 0637a - 50c usa jmk i nc 15 caldwell dr. amherst , nh 03031 ph: 603 886 - 4100 fx: 603 886 - 4115 email: info@jmkfilters.com eur jmk inc glasgow g13 1dn s cotland uk ph: 44-(0) 7785310729 fx: 44-(0) 141 589 1884 operating voltage = 48 vdc operating current = 50 amperes operating temperature range = - 40 to 50 c dielectric withstanding voltage line to line: 707 vdc for 1 minute line to case: 2250 vdc for 1.0 min order p/n: mm - 0637a - 50c this compact filter is intended to provide noise reduction for telecommunications dc power. the filter is non - polarized and the insertion loss is specified at full load. if modifications are needed to suppress transients, or if more severe temperature operating parameters are r e- quired, call or e - mail our engineering dept. they will be more than happy to assist you. line load dm cm 70 60 50 40 30 20 10 .01 .02 .04 .07 .1 .2 .4 .7 1 2 4 7 10 20 40 70 100 frequency (megahertz) insertion loss (db) 0 insertion loss vs. frequency MM-0637A-50C .25-20 unc-2a (4 pl) load line 3.16 3.56 2.60 2.25 0.50 1.25 0.60 1.18 ?0.630 (4 pl) ?0.220 (2x) 0.85 2.60 c us r en 60 950 safety agency approvals
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