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SFME28-461W/HH

Description
Data Line Filter, 1 Function(s), 28V, 10A, HERMETIC SEALED, METAL PACKAGE-12
CategoryAnalog mixed-signal IC    filter   
File Size702KB,11 Pages
ManufacturerCrane Co.
Download Datasheet Parametric View All

SFME28-461W/HH Overview

Data Line Filter, 1 Function(s), 28V, 10A, HERMETIC SEALED, METAL PACKAGE-12

SFME28-461W/HH Parametric

Parameter NameAttribute value
MakerCrane Co.
Reach Compliance Codecompliant
ECCN codeEAR99
capacitance60000 µF
Maximum DC resistance0.07 Ω
filter typeDATA LINE FILTER
high10.16 mm
Minimum insulation resistance100 MΩ
JESD-609 codee4
length76.33 mm
Manufacturer's serial numberSFME28-461
Installation typePANEL MOUNT
Number of functions1
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
physical sizeL76.33XB38.23XH10.16 (mm)/L3.005XB1.505XH0.4 (inch)
Rated current10 A
Rated voltage28 V
Terminal surfaceGOLD
width38.23 mm
EMI I
NPUT
F
ILTER
28 V
OLT
I
NPUT
F
EATURES
• Fully qualified to Class H or K
• Passive components for
maximum tolerance in space
environments
• –55° to +125°C operation
• 60 dB minimum attenuation
at 500 kHz and 1 MHz
• Compliant to MIL-STD-461C, CE03
and MIL-STD-461D, CE102
• Compatible with MIL-STD-704 A-E
• Meets MIL-STD-975M with
temperature limitations
SFME28-461 EMI FILTER
10 AMP
I
NPUT
V
OLTAGE
AND
C
URRENT
Input (V)
28
Current ( A)
10
Size (max.): 3.005 x 1.505 x 0.400 inches (76.33 x 38.23 x 10.16mm)
See cases “U Maximum Dimensions” and “U for dimensions.
Weight:
86 grams maximum
Screening: Space Prototype, Class H, or Class K
Radiation: Designed with passive components providing
maximum tolerance for space environment requirements.
See “QA Screening: Class H and K, QML” for more information.
Available configurations: OH, HH, or KH
DESCRIPTION
The SFME28-461™ Series EMI filter modules are specifically
designed to reduce the reflected input ripple current or ripple voltage
of high frequency DC/DC converters. SFME28-461 filters minimize
electromagnetic interference (EMI) for Interpoint’s space applica-
tions converters. These filters are intended for use in 28 volt appli-
cations which must meet MIL-STD-461 levels of conducted emis-
sions. One filter can be used with multiple converters up to the rated
output current of the filter.
tion with Interpoint’s DC/DC converters.
The filter must be placed as close as possible to the converter for
optimum performance. The baseplates of the filter and the converter
should be connected with the shortest and widest possible conduc-
tors. For the best connection, mount the filter’s and converter’s
baseplates on or above a small ground plane.
O
PERATION OVER
T
EMPERATURE
All SFME28-461 Series filters are rated for full power operation from
–55°C to +125°C case temperature. Current is derated linearly to
zero at +135°C case temperature.
I
NPUT
R
IPPLE AND
EMI
Switching DC/DC converters naturally generate two noise compo-
nents on the power input line: differential noise and common mode
noise. Input ripple current refers to both of these components.
Differential noise occurs between the positive input and input
common. Most Interpoint converters have an input filter that reduces
differential noise which is sufficient for most applications.
Common mode noise occurs across stray capacitances between
the converter’s power train components and the baseplate (bottom
of the package) of the converter.
Where low conducted noise currents or voltages are required to
meet CE03 of MIL-STD-461C or CE102 of MIL-STD-461D, a power
line filter is needed. The SFME28-461 Series of EMI power line
filters reduces the common mode and differential noise generated
by the converters. SFME28-461 filters reduce input ripple current by
a minimum of 60 dB at 500 kHz and 1 MHz when used in conjunc-
I
NSERTION
L
OSS
The maximum dc insertion loss at full load and nominal input voltage
represents a power loss of less than 4%.
P
ACKAGING
SFME28-461filters are sealed in metal hermetic side-leaded pack-
ages.
Contact Information
Interpoint, a Crane Co. Company
PO Box 97005 • Redmond WA 98073-9705
425-895-4053 • electronics@craneae.com
www.craneae.com/power
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