06/22/05

www.irf.com

1

EMI FILTER

AFV461 SERIES

Description

n 4.0 amp Input Current - max.

n 40 dB Noise Reduction min. @100 KHz

n -55°C to +125°C Operation

n Military Screening

n Compatible with all stanard 28 Volts Input

DC/DC Converters

Features

AFV

Typical Application

n No Derating for -55°C to +125°C Operation

n No Tantalum Capacitors for High Reliability

AFV461

EMI Filter

AHV28XX

(or Other)

DC/DC Converter

+Vin

+Vin

Input Return

Input Return

+Vout

+Vout

Output Return

Output Return

R

L

R

L

System

Bus

AHV28XX

(or Other)

DC/DC Converter

+Vout

Output Return

+Vin

Input Return

Case

Case

Case

To other converters up

to rated output current

The AFV461 EMI filter will reduce the input line reflected

ripple current of all DC/DC converter families to levels

below the CEO3 limits of MIL- STD-461. This filter is

intended for applications requiring compatibility to MIL-

STD-704A.

These EMI filters are manufactured in a facility certified

to MIL-PRF-38534 and are available with military

screening. Four grades are offered with different

screening options. Refer to Part Number section.

PD-94586B