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| ISO-9001 CERTIFIED BY DSCC M.S.KENNEDY CORP. 4707 Dey Road Liverpool, N.Y. 13088 3A EMI FILTER EFJ2803 (315) 701-6751 HIREL DESIGN WELDED HERMETIC PACKAGE ALL CERAMIC CAPACITORS SURFACE MOUNT MAGNETICS FEATURES REPLACES APEX FDHC461 55 TO +125C OPERATION 40db MINIMUM DIFFERENTIAL MODE REJECTION AT 200 KHz 60db MINIMUM DIFFERENTIAL MODE REJECTION FROM 500 KHzTO 50 MHz MEETS MILSTD461C CEO3 STANDARDS FOR MSK DHC2800 SERIES DCDC CONVERTERS MILSTD704A THROUGH E POWER BUS COMPATABILITY EQUIVALENT SCHEMATIC VIN +Vout CASE GND INPUT COMMON OUTPUT COMMON DESCRIPTION The EFJ2803 is a high reliability EMI filter for use with the DAC2800/DHC2800 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. EFJ2803 hybird EMI filters utilize all ceramic capacitors, surface mount magnetics and ultrasonically bonded aluminum wires to provide reliable operation at all operating temperatures while surviving very high G forces. The 8-pin package is hermetically sealed and isolated from the internal circuits. Heat sinking is recommended for full power operation at elevated ambient temperatures. Multiple DC-DC converters may use the same filter, up to the rated throughput current of the filter. EXTERNAL CONNECTIONS 1 2 3 4 5 6 7 8 +VIN +VOUT +VOUT CASE GROUND OUTPUT COMMON OUTPUT COMMON INPUT COMMON CASE GROUND TYPICAL APPLICATION 1 Rev. - 2/01 EFJ2803 ABSOLUTE MAXIMUM RATINGS INPUT VOLTAGE RANGE INPUT VOLTAGE TRANSIENT OUTPUT CURRENT2 TEMPERATURE RANGE, storage OPERATING TEMPERATURE, case ABSOLUTE MAXIMUM RATINGS SPECIFICATIONS 0-50Vdc 80V @ 50ms 3Adc -65 to 150C. -55 to 125C. SPECIFICATIONS PARAMETER INPUT VOLTAGE INPUT CURRENT OUTPUT VOLTAGE OUTPUT CURRENT DC RESISTANCE (Rdc) DIFFERENTIAL MODE REJECTION DIFFERENTIAL MODE REJECTION COMMON MODE REJECTION CAPACITANCE ISOLATION OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE POWER DISSIPATION CASE TEMPERATURE RISE NOTES: 1. 2. TEST CONDITIONS STEADY STATE DC STEADY STATE STEADY STATE T = 125C 200 Khz 500KHz-50MHz 2MHz-50MHz ANY PIN TO CASE ANY PIN TO CASE, 500Vdc CASE BASEPLATE CASE BASEPLATE 1Adc, T=125C CASE TO AIR MIN 0 TYP 28 Vout= Vin-Iin(RDC) 0.5 @ 25C 40 60 40 4 100 -55 -65 0.65 38 +125 +150 0.85 3 0.85 MAX 40 3 UNITS V A Vdc A Ohms db db db nF MOhm C C W C/W Tcase= -55C to 125C unless otherwise specified. Typical Dissipation at 3 amps is 6 watts. 2 Rev. - 2/01 TYPICAL PERFORMANCE GRAPHS EFJ2803 DHC2805S CONVERTER WITH EFJ2803 FILTER DHC2803S CONVERTER WITH EFJ2803 FILTER DAC2812S CONVERTER WITH EFJ2803 FILTER DAC2815SS CONVERTER WITH EFJ2803 FILTER DAC2812D CONVERTER WITH EFJ2803 FILTER DAC2815D CONVERTER WITH EFJ2803 FILTER 3 Rev. - 2/01 MECHANICAL SPECIFICATIONS NOTE: ALL DIMENSIONS ARE 0.010 INCHES UNLESS OTHERWISE LABELED. EFJ2803 ORDERING INFORMATION SCREENING BLANK= INDUSTRIAL; E= EXTENDED RELIABILITY; H= CLASS H; K= CLASS K OUTPUT CURRENT 03=3A NOMINAL INPUT VOLTAGE GENERAL PART NUMBER The above example is an industrial grade 3 Amp EMI Filter 4707 Dey Road, Liverpool, New York 13088 Phone (315) 701-6751 FAX (315) 701-6752 www.mskennedy.com 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. M.S. Kennedy Corp. 4 Rev. - 2/01 |
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