INPUT FILTER VOLT INPUT SFMC FILTER MODEL SFMC28-461

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INPUT FILTER VOLT INPUT SFMC FILTER MODEL SFMC28-461

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-55° +125°C operation volt input amps throughput current attenuation attenuation Compliant MIL-STD-461C, CE03 Compatible with MIL-STD-704E power
INPUT FILTER VOLT INPUT
SFMC FILTER
MODEL
SFMC28-461
Non-flanged, case 2.125 1.125 0.400 (53.98 28.56 10.16 Flanged case, 2.910 1.125 0.400 inches (73.91 28.58 10.16 Weight: grams maximum Screening: Space Prototype, Class Class
Size:
DESCRIPTION
SFMC28-461EMI filters provide off-the-shelf filtering solution compliant MIL-PRF-38534, Class Class your space system. SFMC28-461 filters reduce input line reflected ripple current Interpoint's switching DC/DC converters. SFMC28-461 filter with Interpoint's SMSA SMHF series DC/DC converters meet MIL-STD-461C levels conducted emission (CE01, CE03). SFMC filters designed exclusively with passive components providing maximum tolerance space environments. SFMC28-461 filters offer following options meet special requirements space applications: Environmental screening levels standard (O), Class (H), Class requirements. page four screening details. Technical reports Radiation Susceptibility Analysis Electrical/Thermal Stress Analysis Derating Report MTBF Report (Mean Time Between Failures) FMEA Report (Failure Modes Effects Analysis)
FILTER DESIGN
SFMC28-461 filters incorporate thick-film hybrid technology only high quality ceramic capacitors reliable high temperature operation. Derating according requirements MIL-STD-975 assures dependable performance harsh environments space. MILSTD-975 derating applies operating temperatures below 90°C. SFMC28-461 filters built same assembly drawing regardless environmental screening radiation tolerance level. Filters designated level indicating standard environmental screening, electrically comparable filters designated level highest environmental screening level. This ensures consistency between your prototype test system using level filters your flight system using filters with higher levels environmental screening radiation tolerance. Element evaluation (screening component level) Class Class filters ensures even greater reliability. Refer Table more information.
RIPPLE REDUCTION
SFMC28-461 filter, when used with Interpoint's converters, reduces reflected input ripple current minimum MHz. filter converter combination performance exceeds CEO3 requirements MIL-STD-461C.
OPERATING TEMPERATURE
filter operates full load over temperature range -55°C +125°C case. Above +125°C, current must derated specified page two.
PACKAGING SPACE
SFMC28-461 filters encased high-reliability, hermeticallysealed metal packages weigh just grams. small footprint 2.110 Inches (53.59 1.115 inches (28.32 0.400 inches (10.16 minimizes board area needed filter. Cover marking inks NASA approved Total Mass Loss (TML) Collected Volatile Condensable Material (CVCM) outgassing requirements operation space environments.
INSERTION LOSS
maximum insertion loss SFMC28-461 filter load watts) represents output power loss less than
SFMC FILTER
ABSOLUTE MAXIMUM RATINGS
Input Voltage continuous Lead Soldering Temperature lead) 300° Storage Temperature Range (Case) -65°C +150°C
INPUT FILTERS
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range continuous load Case Operating Temperature (Tc) +125°C full power Derating Derate linearly from 100% 125°C 135°C case
TYPICAL CHARACTERISTICS
Capacitance 0.048 max., case Isolation megohm minimum case, except case
Electrical Characteristics: 25°C nominal Vin, unless otherwise specified.
PARAMETER INPUT VOLTAGE INPUT CURRENT NOISE REJECTION RESISTANCE (RDC) OUTPUT VOLTAGE1 OUTPUT CURRENT REFLECTED RIPPLE CURRENT INTERNAL POWER DISSIPATION CONDITIONS CONTINUOUS 25°C STEADY STATE STEADY STATE FROM CONVERTER FILTER MAXIMUM CURRENT SFMC28-461 VOUT (RDC) 0.20 UNITS Arms
Notes Typical applications result Vout within Vin.
INPUT FILTERS
FILTER DC/DC CONVERTER
SFMC FILTER
+Vin
+Vout
+Vin
+Vout
Case Output Input Common Common
Case Output Input Common Common
Multiple units allowed rated output current filter*
Output impedance filter must less than combined input impedance DC/DC converters. FIGURE CONNECTION DIAGRAM
package indicates
Designation Positive Input Positive Output Case Ground Output Common Input Common
BOTTOM VIEW SFMC NON-FLANGED FLANGED
Dotted line outlines flanged package option. Figures dimensions.
FIGURE
DSCC NUMBER
DSCC DRAWING (5915) 94010H02HXC 94010H02HZC 94010H02KXC 94010H02KZC SFMC28-461 FILTER SIMILAR PART SFMC28-461/HH SFMC28-461F/HH SFMC28-461/KH SFMC28-461/KH
MODEL NUMBERING
SFMC28- Base Model MIL-STD-461 compliant Package Option (Non-flanged package designator this position) Screening
Flanged SMDs have suffix place HXC. Interpoint's DSCC drawing models similar performance dimensions standard models, however, slight differences specifications exist. Refer DSCC drawing exact specifications. DSCC drawings downloaded from www.dscccols.com/programs/smcr
SFMC FILTER
INPUT FILTERS
Typical Performance Curves: 25°C nominal Vin, unless otherwise specified.
DC/DC Converter Typical Worst Case With FMC-461 Filter FIGURE
FMC-461 Typical Amplitude Response Frequency FIGURE
Typical Output Impedance With Input Shorted FIGURE
INPUT FILTERS
case indicates
SFMC FILTER
Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins alloy, ceramic seal case 1.125 (28.58) Case dimensions inches (mm) Tolerance ±0.005 (0.13) three decimal places ±0.01 (0.3) decimal places unless otherwise specified CAUTION Heat from reflow wave soldering damage device. Solder pins individually with heat application exceeding 300°C seconds pin.
CASE BOTTOM VIEW Figure configurations.
2.125 (53.98)
FIGURE CASE MAXIMUM DIMENSIONS
BOTTOM VIEW CASE
Seam Seal
0.040 (1.02) 1.110 (28.19) 0.955 (24.26) 0.555 (14.1) 0.155 (3.94) 0.000 0.245 (6.22) 0.400 max. (10.16) 0.25 ±0.03 (6.4 ±0.8) 1.845 (46.86) 0.000 0.000 2.090 (53.01)
Squared corner case indicate one.
FIGURE CASE
Note: Although every effort been made render case drawings actual size, variations printing process cause some distortion. Please refer numerical dimensions accuracy.
SFMC FILTER
INPUT FILTERS
Materials Header Cold Rolled Steel/Nickel/Gold
case indicates
CASE BOTTOM VIEW Figure configuration
Cover 1.125 Pins (28.58)
Kovar/Nickel alloy (all cases) ceramic seal
2.910 (73.91)
Case dimensions inches (mm) Tolerance ±0.005 (0.13) three decimal places ±0.01 (0.2) decimal places unless otherwise specified
Flange Thickness: 0.060 (1.52)
CAUTION Heat from reflow wave soldering damage device. Solder pins individually with heat application exceeding 300°C seconds pin.
FIGURE CASE MAXIMUM DIMENSIONS
Seam Seal
0.040 (1.02) 1.110 (28.19) 0.955 (24.26)
case indicates
0.555 (14.1) 0.155 (3.94) 0.000 0.400 max. (10.16) 0.25 ±0.03 (6.4 ±0.8)
0.162 (4.11)
1.845 (46.86)
FIGURE CASE
Note: Although every effort been made render case drawings actual size, variations printing process cause some distortion. Please refer numerical dimensions accuracy.
2.090 (53.01)
2.320 (58.93)
0.230 (5.84)
0.245 (6.22)
0.000
0.000
INPUT FILTERS
TABLE ELEMENT EVALUATION ELEMENT EVALUATION TEST PERFORMED (COMPONENT LEVEL) Element Electrical Element Visual Internal Visual Temperature Cycling Constant Acceleration Interim Electrical Burn-in Post Burn-in Electrical Steady State Life Voltage Conditioning /Aging Visual Inspection Final Electrical SLAMTM/C-SAM: Input capacitors only (Add'l test, req. SPACE PROTOTYPE CLASS
SFMC FILTER
CLASS
Notes Active components (Microcircuit Semiconductor Die) Passive components
Definitions Element Evaluation: Component testing/screening MIL-STD-883 determined MIL-PRF-38534 SEM: Scanning Electron Microscopy SLAMTM: Scanning Laser Acoustic Microscopy C-SAM: Mode Scanning Acoustic Microscopy
SFMC FILTER
INPUT FILTERS
TABLE PRODUCT ENVIRONMENTAL SCREENING SPACE PROTOTYPE CLASS CLASS
ENVIRONMENTAL SCREENING TEST PERFORMED (END ITEM LEVEL) Pre-cap inspection Method 2017, 2032 Temperature cycle Method 1010, Cond. Constant acceleration Method 2001, 3000 PIND Test Method 2020, Cond. Radiography Method 2012 burn-in test Burn-in, Method 1015, 125°C hours hours hour (includes test) Final electrical test MIL-PRF-38534, Group Hermeticity test Fine Leak, Method 1014, Cond. Gross Leak, Method 1014, Cond. Final visual inspection Method 2009
Test methods referenced MIL-STD-883 determined MIL-PRF-38534
TABLE REPORTS INCLUDED WITH PURCHASE CLASS PRODUCTS Electrical/Thermal Stress Analysis Derating Report MTBF Report
Contact Information: Interpoint Headquarters Phone: 1-800-822-8782 +425-882-3100 Email: power@intp.com
www.interpoint.com Interpoint Phone: +44-1252-872266 Email: poweruk@intp.com Interpoint France Phone: +33-134285455 Email: powerfr@intp.com
SFMC This revision supercedes previous releases. technical information believed accurate, responsibility assumed errors omissions. Interpoint reserves right make changes products specifications without notice. SFMC Series trademark Interpoint. Copyright 1999-2002 Interpoint. rights reserved.

INPUT FILTER VOLT INPUT SFMC FILTER MODEL SFMC28-461

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