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International Rectifier Electronic Components Datasheet

AFH461 Datasheet

EMI FILTER

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EMI FILTER
HYBRID-HIGH RELIABILITY
Description
The AFH Series EMI filter has been designed to provide
full compliance with the input line reflected ripple current
requirement specified by CE03 of MIL-STD-461C over the
extended military temperature range while operating in
conjunction with the corresponding AMA, AMF and AMR
series of DC-DC converters. These filters are offered as
part of a family of high reliability conversion products
providing single, dual and triple output voltages while
operating from nominal +28 volt input line. Other
converters operating with a similar switching frequency
will also benefit by use of this device.
These EMI filters are hermetically packaged in a seam
welded enclosure utilizing axially oriented copper-core
pins which minimize resistive DC losses. This package
has been configured to complement the AMA, AMF and
AMR packages as a convenience in system installation
and is fabricated with IR HiRel rugged ceramic lead-to-
package seal assuring long term hermetic seal integrity in
harsh environments.
Designed to meet the stringent requirements of military
and aerospace use, these devices are manufactured in a
facility fully qualified to MIL-PRF-38534, and are available
in two screening grades. The flight grade is designed with
the requirements of MIL-PRF-38534 for class K.
PD-95856D
AFH461 SERIES
 
AFH
Features
Up to 2.0 A Output Current
Attenuation > 60dB @ 500 kHz
Low Profile Seam Welded Package
Ceramic Insulated Copper Core Pins
Operation Over Full Military Temp. Range
No Derating for -55°C to +125°C
The EM grade is processed and screened to a lower
grade requirement. Flight grade are tested to meet
the complete group “A” test specifications over the
full military temperature range with no derating. The
design does not meet MIL-STD-975 voltage derating
requirements for some internal components.
Variations in electrical, mechanical and screening
requirements can be accommodated. Contact IR
HiRel San Jose for special requirements.
Typical Connection Diagram
System
Bus
+Vin
+Vout
AFH461
EMI Filter
Input Return
Output Return
+Vin
AMF28XX
+Vout
(or Other)
DC/DC Converter
Input Return
Output Return
RL
+Vin
AMF28XX
+Vout
(or Other)
DC/DC Converter
Input Return
Output Return
RL
1 2016-06-23


International Rectifier Electronic Components Datasheet

AFH461 Datasheet

EMI FILTER

No Preview Available !

Specifications
Absolute Maximum Ratings, Note 1
Input Voltage
Input Current
Lead Soldering Temperature
Case Temperature-Operating
Case Temperature-Storage
-80V to +80V, Note 2
3.0A
+300°C for 10 seconds
-55°C to +125°C
-65°C to +135°C
AFH461
Electrical Performance Characteristics -55°C TCASE +125°C, 0 VIN +50V unless otherwise specified
Parameter
Input Voltage
Group A
Subgroup
1, 2, 3
 
Output Current, Note 3
DC Resistance, Note 4
1
Power Dissipation
Noise Reduction
4, 5, 6
Isolation
Capacitance
Device Weight
1
1, 2, 3
Conditions
IIN < 500 A
Transient, Note 2
TC = 25°C
Maximum Current, TC = 25°C
TC = 25°C
1.0 kHz
200 kHz - 500 kHz
500 kHz - 10 MHz
Any Pin to Case, Tested @ 500VDC
Measured between any Pin and Case
Slight variation with Case Style
Min.
0
-50
-1.0
40
60
100
32
Nom.
150
44
30
Max.
+40
+50
2.0
250
1.0
+1.0
48
Unit
VDC
ADC
m
W
dB
M
nF
g
Notes to Specifications
1. Operation above maximum ratings may cause permanent damage to the device. Operation at maximum ratings
may degrade performance and affect reliability.
2. Device can tolerate ± 100 Volt transient whose duration is 100 ms when RS 0.5 .
3. Derate Output Current linearly from 100% at 125°C to 0% at 135°C.
4. DC resistance is the total resistance of the device and includes the sum of the input to output resistance and
the return in to return out resistance paths.
2 2016-06-23


Part Number AFH461
Description EMI FILTER
Maker International Rectifier
Total Page 6 Pages
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