ASF461_15 Datasheet, PDF (1/4 Pages) International Rectifier – ADVANCED ANALOG EMI FILTER

PD - 94589
ADVANCED ANALOG
EMI FILTER
ASF461 SERIES
Description
The ASF461 EMI filter will reduce the input line re-
flected ripple current of the ASA line of DC/DC convert-
ers to levels below the CEO3 limits of MIL-STD-461.
These EMI filters are available with military screening
and built in a facility fully qualified to MIL-PRF-38534.
Four grades are offered with different screening op-
tions. Refer to Part Number section.
The ASF461 Filter is built using thick film hybrid tech-
nology and seam welded in a hermetic kovar package
for high reliability.
These units offer superior noise reduction and power
dissipation when compared with similar competitive
filters. No derating is required over the entire operating
temperature range.
ASF
Features
n Uses less than 1.2 sq. in. of Board Space
n -55°C to +125°C Operation
n Greater than 50db Ripple Current Reduction
n Optimal Military Screening
n No Derating for -55°C to +125°C Operation
Typical Application
System
Bus
+Vin
+Vout
ASF461
EMI Case
Filter
Input
Output
Return
Return
+Vin
+Vout
ASA28XX
Case _DC/DC
R_L
Input
Return
Output
Return
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11/21/02