5.1

5.0

4.0

REV

2012-06-26

2012-03-29

2005-12-16

DATE

SSt

SSt

SSt

BY

SSt

SMu

-

CHECKED

Würth Elektronik eiSos GmbH & Co. KG

EMC & Inductive Solutions

Max-Eyth-Str. 1

74638 Waldenburg

Germany

Tel. +49 (0) 79 42 945 - 0

www.we-online.com

eiSos@we-online.com

DESCRIPTION

WE-CBF SMD EMI Suppression Ferrite

Bead

Order.- No.

74279201

SIZE

A4

Size: 0805

A Dimensions: [mm]

B Land Pattern: [mm]

C Schematic:

D Electrical Properties:

Properties

Impedance @ 100 MHz

Maximum Impedance

Rated Current

DC Resistance

Type

Test conditions

100 MHz

1000 MHz

ΔT = 20K

Z

Z

IR

RDC

Value

32

70

500

0.15

High Speed

Unit

Ω

Ω

mA

Ω

Tol.

±25%

typ.

max.

max.

E General information:

Do not use this part beyond the Rated Current, as this will create

excessive heat and can harm the component

Storage Temperature (on Tape & Reel): -20°C to 60°C

Operating Temperature: -55°C to 125°C

Test conditions of Electrical Properties: 20°C, 33% RH

if not specified differently

This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use.

Moreover Würth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before

the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.