• Up to 5 A throughput current over the full input
voltage range -0.5 to 50 V
• Compliant to
- MIL-STD-461C CE03
- MIL-STD-461C CS01
• Operating temperature -55° to +125°C
attenuation to 60 dB at 500 kHz, typical
- MIL-STD-461D, E and F CE102
- MIL-STD-461D, E, and F CS101
• Compatible with MIL-STD-704 A-E 28 VDC power bus
MODEL
FMCE-0528
FMCE-0528-TR
INPUT
VOLTAgE (V)
28
28
CURRENT
(A)
5
5
Description
The FMCE-0528™ EMI filters have been specifically designed to
reduce the input line reflected ripple current of Interpoint’s MTR,
MHF+, and MHV series of DC/DC converters. The filter can be
used with combinations of the lower power converters; up to two
MTR series converters or a single MFL series converter. These
filters are intended for use in 28 volt applications which must
meet MIL-STD-461C CE03 and CS01 and/or MIL-STD-461D, E
and F CE102 and CS101 levels of conducted emissions.
The FMCE-0528 filters are built using thick-film hybrid tech-
nology and are hermetically sealed in metal packages for military,
aerospace, and other high-reliability applications. Only ceramic
capacitors are used in the filters to ensure reliable high tempera-
ture operation.
The filters are offered with standard screening, “ES” screening,
or fully compliant to “883” MIL-PRF-38534 Class H screening.
Standard microcircuit drawings (SMD) are available.
T
raNSIeNT
S
uppreSSIoN
- FMCe-0528-Tr
oNLy
The FMCE-0528-TR filter also features an optional fast-reacting
(1 pico second) transient suppressor (transorb) which begins
clamping the input voltage at approximately 47 VDC, protecting
the DC/DC converter from damage from induced line transients.
The FMCE-0528 does not have the transorb and is designed for
those applications that require a wider input voltage range (0 to
50 V).
o
peraTINg
T
eMperaTure
The filters are rated to operate, with no degradation of perfor-
mance, over the temperature range of -55°C to +125°C (as
measured at the baseplate). Above +125°C, current must be
derated as specified on the following page.
I
NSerTIoN
L
oSS
MIL-STD N
oISe
M
aNageMeNT
Low DC resistance design results in a maximum power loss of
less than 3% with typical input voltage.
When used in conjunction with Interpoint converters, the FMCE-
0528 and FMCE-0528-TR filters reduce input ripple current
within the frequency band of 100 kHz to 50 MHz. When used
with an Interpoint converter, performance exceeds the CEO3
test of MIL-STD-461C and meets the requirements of CS01 of
MIL-STD-461C. These filters also meet CE102 and CS101 of
MIL-STD-461D, E and F.
Crane Aerospace & Electronics
Electronics group (Interpoint Brand)
PO Box 97005 • Redmond WA 98073-9705
425.882.3100 • power@crane-eg.com
www.interpoint.com
Page 1 of 10
FMCE-0528 Rev D - 20100413
Crane Aerospace & Electronics Power Solutions
FMce-0528 eMi input Filters
28 Volt input – 5 aMp
Operating COnditiOns and CharaCteristiCs
input Voltage range, with or without transorb
• Continuous -0.5 to 50 VDC
• Transient -0.5 to 80 V for 1 second
meChaniCal and envirOnmental
size (maximum)
• Non-flanged
‣
2.100 x 1.115 x 0.400 inches (53.34 x 28.32 x 10.16 mm)
See case H1 for dimensions.
• Flanged
‣
2.910 x 1.115 x 0.400 inches (73.91 x 28.32 x 10.16 mm)
See case K2 for dimensions.
Weight (maximum)
• 54 grams
screening
lead soldering temperature (10 sec per pin)
• 300°C
storage temperature range (case)
• -65°C to +150°C
case operating temperature (t
c
)
• -55°C to +125°C full power
Derating output power/current
• Linearly from 100% at 125°C to 80% at 135°C case
input to output capacitance (t
c
= 25°c)
• 0.048 µF max, any pin to case
The FMCE-0528 EMI Input filter offers Standard, /ES or 883,
Class H, QML screening. See Screening Tables 1 and 2 for more
information.
electrostatic Discharge (esD) sensitivity per Mil-prF-38534
• Classification 3B, 8000 V
EMI FILTER
+Vin
Case
Output
Input
Common Common
+Vout
isolation (t
c
= 25°c)
• 100 megohm minimum at 500 V
• Any pin to case, except case pin
DC/DC CONVERTER
+Vin
+Vout
RL
Case
Output
Input
Common Common
Chassis
ground
Multiple units
allowed up to
rated output
current of filter
RL
The case ground connection between the filter and the converter should be as
low an impedance as possible to minimize EMI. Direct contact of baseplate to
chassis ground provides the lowest impedance.
F
igure
1: C
onneCtion
D
iagram
Positive
Input
1
Positive
Output
Input
Common
Output
Common
1 Transorb in FMCE-0528-TR and FMCE-0528-TR-F models only (standard, /ES and /883).
F
Igure
2: S
CheMaTIC
– FMCe-0528
www.interpoint.com
Page 2 of 10
FMCE-0528 Rev D - 20100413
Crane Aerospace & Electronics Power Solutions
FMce-0528 eMi input Filters
28 Volt input – 5 aMp
pin
1
2
3
4
5
1
pin out
Positive Input
Case ground
Designation
Positive Output
Output Common
Input Common
Notes
1. All pins must be connected.
Dot on top of package indicates pin one
1
BOTTOM VIEW
FMCE-0528
NON-FLANGED AND FLANGED
2
3
4
5
Dotted line outlines flanged package option.
See case H1 and case K2 for dimensions.
F
Igure
3: p
IN
o
uT
www.interpoint.com
Page 3 of 10
FMCE-0528 Rev D - 20100413
Crane Aerospace & Electronics Power Solutions
FMce-0528 eMi input Filters
28 Volt input – 5 aMp
MoDel nuMBering key
Base Model
FMCE -
05
28
-
TR -
F
/ 883
DsCC D
rawing
(5915)
10016-02HXC
10016-01HXC
10016-02HZC
10016-01HZC
Dscc nuMBers
FmCe-0528 s
imilar
P
art 1
FMCE-0528/883
FMCE-0528-TR/883
FMCE-0528-F/883
FMCE-0528-TR-F/883
Input Voltage
Transorb Option
(Standard FMCE-0528 (no transorb) has no
designator in this position)
Case Option
(Non-flanged case has no designator in
this position)
Screening
(Standard screening has no designator
in this position.)
Output Current
1. Models with “TR” have a transorb (-01 in the DSCC numbers).
For exact specifications for a DSCC product, refer to the DSCC
drawing. DSCC drawings can be downloaded from: http://www.
dscc.dla.mil/programs/smcr
o
n
the lines below
,
enter one seleCtion From unDer eaCh Category
to Determine the moDel number
.
MoDel selection
category
FMce-0528
Base MoDel anD
input Voltage
“FMce-0528” is the
only available selec-
tion
–
_______
transorB
option
1
(no transorB leave
blank)
tr
(with transorb)
–
_______
case/leaD
option
2
(non-FlangeD
leave blank)
F
(flanged)
/
______
screening
3
standard (leave blank)
es
883 (class H, QMl)
selection
1. Transorb Option: For the standard filter (no transorb) leave the transorb option blank. For a filter with the transorb, insert the letters TR in the TR Option position.
2. Case Options: For the standard case, case H1, leave the case option blank. For the flanged case option, case K2, insert the letter F in the Case Option position.
3. Screening: For standard screening leave the screening option blank. For other screening options, insert the desired screening level. For more information see
Screening Tables 1 and 2.
www.interpoint.com
Page 4 of 10
FMCE-0528 Rev D - 20100413
Crane Aerospace & Electronics Power Solutions
FMce-0528 eMi input Filters
28 Volt input – 5 aMp
Electrical Characteristics: -55° to +125°C T
C
, nominal Vin, unless otherwise specified.
MODEL
paraMeTer
INpuT VoLTage
INpuT CLaMpINg
VoLTage
NoISe reJeCTIoN
DC reSISTaNCe (r
DC
)
CapaCITaNCe
aT MaXIMuM CurreNT
CoNDITIoNS
CoNTINuouS
TraNSIeNT,
1 sec
1, 3
T
C
= -55°C
T
C
= +125°C
500
k
h
z
1 Mh
z
T
C
= -55 aND +125°C
1
aNy pIN To CaSe
T
C
= 25°C
STeaDy STaTe
T
C
= 25°C
T
C
= 25°C
MIN
-0.5
-0.5
40.8
44.7
44.7
55
60
—
—
—
FMCE-0528-TR
TYP
28
—
45.1
47.0
49.5
60
—
0.110
—
44,000
MAX
50
80
49.4
49.4
54.2
—
—
0.125
0.150
48,000
—
—
MIN
-0.5
-0.5
—
—
—
55
60
FMCE-0528
TYP
28
—
—
—
—
60
—
0.110
—
44,000
2
MAX
50
80
—
—
—
—
—
0.125
0.150
48,000
uNITS
VDC
V
V
dB
Ω
pF
VDC
A
W
ouTpuT VoLTage
4
ouTpuT CurreNT
poWer DISSIpaTIoN
aT MaXIMuM CurreNT
1
V
OUT
= V
IN
- I
IN
(R
DC
)
—
—
—
—
2.8
—
5
3.0
3.8
V
OUT
= V
IN
- I
IN
(R
DC
)
—
—
—
—
2.8
—
5
3.1
3.8
STeaDy STaTe
V
IN
= -0.5 - 50 VDC
T
C
= 125°C
T
C
= 25°C
Notes
1. guaranteed by design, not tested.
2. The FMCE-0528 does not have a transorb and does not clamp the
input voltage
3. 0.5 ohm source impedance
4. Typical applications result in Vout within 2% of Vin.
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