637a series 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 g 13 1dn scotland uk ph: 44-(0) 7785310729 fax: 44 -(0) 141 589 1884 operating voltage = _48 vdc operating current = __ 35, 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: 30 amperes -- kk - 0637a - 30 35 amperes -- mm - 0637a - 35 50 amperes -- mm - 0637a - 50 the 637a series filter is a very compact dc filter intended for use with telecommunica- tion hardware. this filter features a very small mechanical package. even with this small size the common mode insertion loss and differential loss is very good. this filter package can withstand severe vibration and shock environments. this filter has been designed to operate with severe unbalanced current loading. therefore the filter will work as well if one side is grounded such as in automotive applications, as with balanced loads.
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