mm - 0637a - 40b, - 50b, - 60b 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 = 40,50,60 amperes operating temperature range = - 40 to 50 c dielectric withstan ding voltage line to line: 707 vdc for 1 minute line to case: 2250 vdc for 1.0 min 40 amps order p/n: mm - 0637a - 40b 50 a mps ? mm - 0637a - 50b 60 amps ? mm - 0637a - 60b this filter features a very small mechanical package. even with this small size the common mode insertion loss and differentia l loss are very good. this filter has additionally been designed to operate with severe unbalanced current loading. it can with stand up to a 30% unbalance in line and return without degrading the common mode insertion loss. this capability is very useful when the filter is used in dual systems with shared returns. this filter package is ruggedly designed to operate in automotive as well as telecommunication environments line load c us r en 60 950 safety agency approvals 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 series 40 50 60 line .25-20 unc-2a (4 pl) 0.50 1.25 ?0.610 (2x) 2.25 0.83 - 0.90 2.60 0.19 max 1.18 2.74 3.10 ?0.220 (2x) 1.00 0.60
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