FMA-461F/ES [CRANE]
EMI INPUT FILTERS 28 VOLT INPUT; EMI输入滤波器28伏特的输入
| 型号： | FMA-461F/ES |
| 厂家： | 
Crane Aerospace & Electronics. |
| 描述： | EMI INPUT FILTERS 28 VOLT INPUT |
| 文件： | 总11页 (文件大小：197K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FEATURES
FM-461, FMA-461
AND FMB-461
EMI FILTERS
1.75 TO 5 AMP
EMI INPUT
28 VOLT
F
ILTERS
NPUT
• –55°C to +85°C operation
• 0 to 40 VDC volt input
• Up to 40 dB attenuation
110 kHz to 50 MHz
I
• Transient suppression
• Compliant to
MIL-STD-461C, CE03
MODELS
INPUT VOLTAGE
AND CURRENT
Input (V)
0 - 40
Current ( A)
1.75
0 - 40
3.8
0 - 40
5.0
Size (max.): Non-flanged case H3 or H5
2.125 x 1.125 x 0.495* inches (53.98 x 28.58 x 12.57* mm)
Flanged case K4 or K6
2.910 x 1.125 x 0.495* inches (73.91 x 28.58 x 12.57* mm)
See Section B8, cases H3, H5, K4, and K6, for dimensions.
*Height varies depending on model.
Weight:
Maximum – FM-461 38 grams, FMA-461 42 grams, FMB-461 43 grams
Screening: Standard or ES. See Section C2 for screening options, see Section A5
for ordering information.
DESCRIPTION
The FM-461, FMA-461, and FMB-461 EMI filter modules have been
specifically designed to reduce the input line reflected ripple current
of Interpoint’s MTO, MTW, MHE, MLP, and MFW Series of DC/DC
converters. They are intended for use in applications of high
frequency (100 kHz) switch-mode DC/DC converters which must
meet MIL-STD-461C levels of conducted power line noise.
FILTER OPERATION
A fast-reacting (1 picosecond) transient suppressor clamps the input
voltage at approximately 47 V, protecting the DC/DC converter from
line induced transients.
The filters are rated to operate, with no degradation of performance,
over the temperature range of –55°C to +85°C (as measured at the
baseplate). Above 85°C, input voltage and current must be derated
as specified in “Derating” on the following page. The maximum
power dissipation of the filters at maximum input current represents
a power loss of less than 3% at typical input voltage.
These filters are built using thick-film hybrid technology and are
sealed in metal packages for military, aerospace, and other high-
reliability applications. See Section B8, cases H3, H5, K4, and K6
for dimensions. See Section C2 for screening options.
MIL-STD NOISE MANAGEMENT
LAYOUT REQUIREMENTS
When used in conjunction with Interpoint’s DC/DC converters (see
connection diagram, Figure 2), the input ripple current will be
reduced by 40 dB within the frequency band of 100 kHz to 50 MHz.
This gives the filter/converter combination a performance which
exceeds the CE03 test limit of MIL-STD-461C. The CE03 perform-
ance of a model MHE2805S converter with and without the FM-461
filter is shown in Figures 6 and 7.
The case of the filter must be connected to the case of the converter
through a low impedance connection to minimize EMI.
B5-3
FM-461 EMI FILTER
EMI INPUT
F
ILTERS
1.75 TO 5 AMP
RECOMMENDED
ABSOLUTE MAXIMUM RATINGS
DERATING
OPERATING CONDITIONS
Input Voltage
Input Voltage
Derate linearly from 100% at 85°C case to
the 33 VDC at 125°C case
Input Ripple Current
Derate linearly from 100% at 85°C case to
the following at 125°C case
270 mA rms FM-461
• 0 to 40 VDC continuous
Lead Soldering Temperature (10 sec per lead)
• 300°C
Storage Temperature Range (Case)
• –55°C to +135°C
Input Voltage Range
• 0 to 40 VDC continuous
Case Operating Temperature (Tc)
• –55°C to +85°C full power
• –55°C to +125°C absolute
Isolation
400 mA rms FMA-461
480 mA rms FMB-461
• 100 megohm minimum at 500 V
• Any pin to case (except case pin)
DC Input and Output Current
Derate linearly from 100% at 85°C case to
the following at 125°C case
750 mA FM-461
1.7 A FMA-461
1.7 A FMB-461
Electrical Characteristics: 25°C Tc, nominal Vin, unless otherwise specified.
FM-461
FMA-461
TYP
28
FMB-461
TYP
28
PARAMETER
INPUT VOLTAGE
INPUT CLAMPING
VOLTAGE
CONDITION
CONTINUOUS
–55°C
MIN
0
TYP MAX
MIN
0
MAX
40
MIN
0
MAX
40
UNITS
28
43.2
47.0
49.9
—
40
VDC
38.9
42.3
44.9
—
47.5
51.7
54.8
1.75
0.67
38.9
42.3
44.9
—
43.2
47.0
49.9
—
47.5
51.7
54.8
3.8
38.9
42.3
44.9
—
43.2
47.0
49.9
—
47.5
51.7
54.8
5.0
+25°C
VDC
+125°C
INPUT CURRENT
DC
A
RIPPLE
—
—
—
—
1.0
—
—
1.2
A rms
NOISE
REJECTION
DC RESISTANCE
15 kHz - 50 MHz
STEADY STATE
—
40
—
—
40
—
—
40
—
dB
(R
)
—
0.38
—
0.42
0.07
0.10
—
0.15
0.07
0.09
—
0.10
Ω
DC
CAPACITANCE
ANY PIN TO CASE
STEADY STATE
1900
2200
3700
V
4400
6450
8000
pF
1
OUTPUT VOLTAGE
= V - I (R
)
VDC
OUT
IN IN DC
OUTPUT CURRENT
POWER
STEADY STATE
—
—
—
—
1.75
1.3
—
—
—
3.8
1.6
—
—
—
—
5.0
2.5
A
DISSIPATION
MAX. CURRENT
—
W
Note
1. Typical applications result in Vout within 2% of Vin.
469 H
2.4 H
Positive
Positive
Input
Output
1000 pF
x2
0.1 F
0.01F
0.001F
50 ⍀
Output
Common
Input
Common
4.7 F
1000 pF
500 V
150 ⍀
FM-461
47 pF
FIGURE 1: SCHEMATIC
B5-4
FM-461 EMI FILTER
1.75 TO 5 AMP
EMI INPUT
F
ILTERS
2.4 H
>150 H
Positive
Input
Positive
Output
x2
1000 pF
x3
x2
0.1 F
0.01 F
0.001 F
50 ⍀
x2
Output
Common
1000 pF
500 V
Input
Common
4.7 F
150 ⍀
FMA-461
47 pF
FIGURE 2: SCHEMATIC
3.5 H
0.65 ⍀
3.5 H
P6KE47
Positive
Output
Positive
Input
9.4 F
18.8 F
4.7 F
50 ⍀
Output
Common
Input
Common
47 pF
500V
3300 pF
500 V
FMB-461
FIGURE 3: SCHEMATIC
EMI FILTER
+Vin
DC/DC CONVERTER
+Vin
+Vout
+Vout
Case
Case
Input
Common Common
R
R
L
L
Input
Output
Common Common
Output
Multiple units
allowed up to
rated output
Chassis
ground
current of filter
The case ground connection should be as low an impedance as possible to minimize EMI. Direct contact of
baseplate to chassis ground provides the lowest impedance.
FIGURE 4: CONNECTION DIAGRAM
B5-5
FM-461 EMI FILTER
1.75 YO 5 AMP
EMI INPUT
F
ILTERS
PIN OUT
Squared corner and dot on top
of package indicate pin one.
1
2
3
Pin
1
Designation
Positive Input
Positive Output
Case Ground
Output Common
Input Common
BOTTOM VIEW
FM-461, FMA-461, FMB-461
2
3
5
4
4
5
Dotted line outlines flanged package option.
See Section B8, cases H3, H5, K4, and K6, for dimensions.
FIGURE 5: PIN OUT
MODEL NUMBERING KEY
FMB
-
461
F
/
ES
Base Model
FM, FMA, or FMB
MIL-STD-461 reference
Case Option
(Non-flanged case has no designator in
this position)
Screening
(Standard screening has no designator
in this position)
Typical Performance Curves: 25°C Tc , nominal Vin, unless otherwise specified.
90
70
50
90
CE03 Limit
CE03 Limit
70
50
30
10
30
10
.015
.1
1
10
50
.015
.1
1
10
50
FREQUENCY (MHz)
FREQUENCY (MHz)
MHE Converter Without Filter
MHE Converter With FM-461 EMI Filter
FIGURE 6
FIGURE 7
26221-001-DTS Rev A
DQ# 14006
All technical information is believed to be accurate, but no responsibility is
assumed for errors or omissions. Interpoint reserves the right to make changes in
products or specifications without notice. Copyright © 1990 - 1999 Interpoint. All
rights reserved.
B5-6
CASE H
CASES
Materials
Dot on top of case indicates pin one
Header Cold Rolled Steel/Nickel/Gold
cases H1 and H2
Cold Rolled Steel/Nickel/Tin
cases H3, H4, and H5
Cover Kovar/Nickel
CASE H
BOTTOM VIEW
See Figures 29 – 34
for pin configurations.
cases H1 and H2
Cold Rolled Steel/Nickel/Tin
cases H3, H4, and H5
1.125 max
(28.58)
Pins
#52 alloy
ceramic seal
case H1
case H2 (except MHV Series Single and Dual)
compression glass seal
MHV Series Single and Dual
case H3, H4, H5
2.125 max
(53.98)
CAUTION
Case dimensions in inches (mm)
Tolerance ±0.005 (0.13) for three decimal places
±0.01 (0.3) for two decimal places
unless otherwise specified
Heat from reflow or wave soldering may damage
the device. Solder pins individually with heat
application not exceeding 300°C for 10 seconds
per pin.
FIGURE 28: CASE H MAXIMUM DIMENSIONS
BOTTOM VIEW CASE H1
FMC EMI Filter: Screening – Standard, ES, or 883
SFMC EMI Filter: Screening – Space Standard, H, or K
Seam Seal
Squared corner and dot on top
of case indicate pin one.
0.040 dia
(1.02)
1.110 (28.19)
0.955 (24.26)
1
5
2
3
0.555 (14.1)
4
0.155 (3.94)
0.000
FIGURE 29: CASE H1
Note: Although every effort has been made to render the case drawings at actual size, variations in the printing process may cause some distortion. Please refer
to the numerical dimensions for accuracy.
B8-17
CASE H
CASES
BOTTOM VIEW CASE H3
FM-461 EMI Filter: Screening – Standard of ES
Squared corner and dot on top
of case indicate pin one.
Solder Seal
1.120 (28.45)
0.960 (24.38)
1
2
3
0.040 dia
(1.02)
0.560 (14.22)
Solder Tip-off
5
4
0.160 (4.06)
0.000
FIGURE 31: CASE H3
B8-19
CASE H
CASES
BOTTOM VIEW CASE H5
FMA-461and FMB-461 EMI Filter: Screening – Standard of ES
Squared corner and dot on top
of case indicate pin one.
Solder Seal
1.120 (28.45)
0.960 (24.38)
1
2
0.040 dia
(1.02)
3
0.560 (14.22)
Solder Tip-off
5
4
0.160 (4.06)
0.000
FIGURE 33: CASE H5
BOTTOM VIEW CASE H6
MHE Series: Screening – Standard or ES
HR151 Series and HR152 Series: no screening options
Dot on top of case indicates pin one
Solder Seal
1.120 (28.45)
0.960 (24.38)
1
2
3
8
4
7
5
0.040 dia
(1.02)
Solder Tip-off
10
9
6
0.160 (4.06)
0.000
FIGURE 34: CASE H6
B8-21
CASE K
CASES
Dot on top of case indicates pin one
CASE K
BOTTOM VIEW
See Figures 42 - 48
for pin configuration
1.125 max
(28.58)
2.910 max
(73.91)
Flange Thickness:
Cases K1, K2, K3 and MLP Series (K5)
0.060 (1.52)
Cases K4, K5 (except MLP Series), K6, K7, and K8
0.067 +0.005/-0.007 (1.70 +0.13/-0.8)
Materials
Header Case K1 - K3
Cold Rolled Steel/Nickel/Gold
Cases K4 - K8
Cold Rolled Steel/Nickel/Tin
Cover Case K1 - K3
Kovar/Nickel
Case K4 - K8
Cold Rolled Steel/Nickel/Tin
Pins
#52 alloy (all cases)
Case K1, K2, and K3 (except MHV Series Single and Dual)
ceramic seal
Cases K4 - K8 and MHV Series Single and Dual (K3)
compression glass seal
Case dimensions in inches (mm)
Tolerance ±0.005 (0.13) for three decimal places
±0.01 (0.2) for two decimal places
unless otherwise specified
CAUTION
Heat from reflow or wave soldering may damage
the device. Solder pins individually with heat
application not exceeding 300°C for 10 seconds
per pin.
FIGURE 41: CASE K MAXIMUM DIMENSIONS
B8-26
CASE K
CASES
BOTTOM VIEW CASE K4
Flanged case: Designator required in Case Option position of model number.
FM-461 EMI Filter: Screening – Standard or ES
Squared corner and dot on top
Solder Seal
of case indicate pin one.
1.115 (28.32)
0.955 (24.26)
1
5
2
3
0.162 dia
(4.11)
0.040 dia
(1.02)
0.555 (14.1)
Solder Tip-off
4
0.155 (3.94)
0.000
FIGURE 45: CASE K4
BOTTOM VIEW CASE K5
Flanged cases: Designator required in Case Option position of model number.
MTR Series Dual and MLP Series: Screening – Standard or ES
Squared corner and dot on top
of case indicate pin one.
Solder Seal
1.115 (28.32)
0.955 (24.26)
1
2
3
4
7
5
0.040 dia
(1.02)
All K5
cases
MTR Series Dual
(Standard and ES)
0.555 (14.1)
Solder Tip-off
10
9
8
6
0.155 (3.94)
0.000
Squared corner and dot on top
of case indicate pin one.
1.115 (28.32)
0.955 (24.26)
1
2
9
3
4
7
5
MLP Series
0.555 (14.1)
10
8
6
0.155 (3.94)
0.000
FIGURE 46: CASE K5
B8-29
CASE K
CASES
BOTTOM VIEW CASE K6
Flanged cases: Designator required in Case Option position of model number.
FMA-461 and FMB-461 EMI Filters: Screening – Standard or ES
Squared corner and dot on top
of case indicate pin one.
Solder Seal
1.115 (28.32)
0.955 (24.26)
1
5
2
3
0.162 dia
(4.11)
0.040 dia
(1.02)
0.555 (14.1)
Solder Tip-off
4
0.155 (3.94)
0.000
FIGURE 47: CASE K6
BOTTOM VIEW CASE K7
Flanged case: Designator required in Case Option position of model number.
MHE Series: Screening – Standard or ES
Squared corner and dot on top
of case indicate pin one.
Solder Seal
1.115 (28.32)
0.955 (24.26)
1
2
3
8
4
7
5
0.040 dia
(1.02)
0.555 (14.1)
Solder Tip-off
10
9
6
0.155 (3.94)
0.000
FIGURE 48: CASE K7
B8-30
QA SCREENING
85°C PRODUCTS
85°C PRODUCTS
TEST (85°C Products excluding HR products)
STANDARD
/ES
yes
yes
yes
yes
yes
PRE-CAP INSPECTION
Method 2017
yes
no
TEMPERATURE CYCLE (10 times)
Method 1010, Cond. B, -55°C to 125°C
CONSTANT ACCELERATION
Method 2001, 500 g
no
BURN-IN
96 hours at 70°C ambient (typical)
FINAL ELECTRICAL TEST MIL-PRF-38534, Group A
Subgroups 1 and 4: +25°C case
HERMETICITY TESTING
no
yes
Fine Leak, Method 1014, Cond. A
Gross Leak, Method 1014, Cond. C
no
no
yes
yes
no
-3
Gross Leak, Dip (1 x 10 )
yes
FINAL VISUAL INSPECTION
Method 2009
yes
yes
Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534.
Applies to the following products:
MFW Series
MTW Series
MHE/MLP Series
MHL Series
MRH Series
MTO Series
MSR Series
DCH Series
FM/FMA/FMB EMI Filters
MSF EMI Filter
C2-12
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