4707 dey road liverpool, n.y. 13088 (315) 701-6751 m.s.kennedy corp. iso 9001 certified by dscc efj2803 mil-prf-38534 certified typical applications description: equivalent schematic features: rev. d 12/06 1 3a emi filter pin-out information all ceramic capacitors surface mount magnetics -55c to +125c operation 40db differential mode rejection at 200khz 60db differential mode rejection from 500khz to 50mhz 3 amps throughput current meets mil-std-461c ceo3 standards for dhc2800 series dc to dc converters mil-std-704 (a through e) power bus compatibility available to dscc smd 96003 the efj2803 is a high reliability emi filter for use with dac2800/dhc2800/dhd2800 series of dc-dc converters. this filter has been designed to reduce the input line reflected ripple current to within the limit of mil-std-461c, ce03. the efj2803 hybrid emi filter utilizes all ceramic capacitors, surface mount magnetics and ultrasonically bonded alumi- num wires to provide reliable operation at all operating temperatures while surviving very high g forces. the stand-alone filter's internal components are all passive devices and selected to operate from input voltages up to and including the peak transient voltage. the filter therefore does not require or utilize transient supression circuitry and is compatible with the transient specification of a mil-std-704 type power bus. when connected to an output device, the output device must be able to operate from compatible voltages. the filter will attenuate spikes, but the duration and magnitude of the spike must be within the operating range of the filter and the device connected to it. the 8-pin package is hermetically sealed and is dc isolated from the internal circuits. heat sinking is recommended for full power operation at elevated ambient temperatures. +v in +v out +v out case ground 1 2 3 4 case ground input common output common output common 8 7 6 5 airborne power systems aerospace power systems vehicle electrical systems ground equipment and test equipment
input voltage input current output voltage output current dc resistance (rdc) capacitance isolation 0 - - - - - -1 - - - 55 - 60 - 60 - 60 - 40 - - 100 0 - - - - - -1 -1 - - 55 50 60 60 60 60 60 60 40 35 - 100 steady state transient 50ms max dc steady state steady state steady state any pin to case pin to case f=1khz f=200khz f=500khz f=1mhz f=5mhz f=50mhz f=2mhz-50mhz absolute maximum ratings electrical specifications lead temperature 300c (10 seconds soldering) input voltage range 0-50v dc input voltage transient 80v @ 50ms storage temperature range -65c to +150c parameter test conditions v v a vdc a w db db db db db db db db db db db db db db nf m w units 2 rev. d 12/06 case operating temperature range efj2803h/e -55c to +125c efj2803 -40c to+85c 1,2,3 1 1 - 1 1 4 5,6 4 5,6 4 5,6 4 5,6 4 5,6 4 5,6 4 5,6 7 7 subgroups 1 1 2 3 4 5 6 notes: this parameter is guaranteed by design but need not be tested. typical parameters are representative of actual device performance but are for reference only. industrial grade and "e" suffix devices shall be tested to subgroup 1,4 and 7 unless otherwise specified. military grade devices ('h' suffix) shall be 100% tested to subgroups 1 through 7. subgroup 1,4,7 subgroup 2,5 subgroup 3,6 reference dscc smd for electrical test parameters and limits for devices purchased as such. t a = t c = +25c t a = t c = +125c t a = t c = -55c 28 - - v out =v in -iin(r dc ) - 0.50 0 0 40 - 64 - 72 - 70 - - - - - - - 50 80 3 - 3 0.85 1 1 - - - - - - - - - - - - 4 - min. typ. max. efj2803h/e 28 - - v out =v in -iin(r dc ) - 0.50 0 - 40 - 64 - 72 - 70 - - - - - - - 50 80 3 - 3 0.85 - - - - - - - - - - - - - - 4 - min. typ. max. efj2803 1 1 1 2 differential mode rejection common mode rejection
typical performance curves rev. d 12/06 3 typical application
the information contained herein is believed to be accurate at the time of printing. msk reserves the right to make changes to its products or specifications without notice, however, and assumes no liability for the use of its products. please visit our website for the most recent revision of this datasheet. mechanical specifications rev. d 12/06 m.s. kennedy corp. 4707 dey road, liverpool, new york 13088 phone (315) 701-6751 fax (315) 701-6752 www.mskennedy.com esd triangle indicates pin 1. note: all dimensions are .010 inches unless otherwise labeled. ordering information 4 screening level part number efj2803 efj2803e efj2803h 96003 industrial extended reliability mil-prf-38534 class h dscc-smd for efj2803 weight=11.7 grams typical
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