1.1

1.0

REV

2014-06-05

2013-11-26

DATE

SSt

SSt

BY

SSt

MHB

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-UKW EMI Suppression 6-Hole Ferrite

Bead

Order.- No.

74275143

SIZE

A4

H1: Classification Reflow Profile for SMT components:

H2: Classification Reflow Profiles

Profile Feature

Preheat

- Temperature Min (Tsmin)

- Temperature Max (Tsmax)

- Time (ts) from (Tsmin to Tsmax)

Ramp-up rate (TL to TP)

Liquidous temperature (TL)

Time (tL) maintained above TL

Peak package body temperature (Tp)

Time within 5°C of actual peak temperature (tp)

Ramp-down rate (TP to TL)

Time 25°C to peak temperature

Pb-Free Assembly

150°C

200°C

60-120 seconds

3°C/ second max.

217°C

60-150 seconds

See Table H3

20-30 seconds

6°C/ second max.

8 minutes max.

refer to IPC/JEDEC J-STD-020D

H3: Package Classification Reflow Temperature

PB-Free Assembly

PB-Free Assembly

PB-Free Assembly

Package Thickness

< 1.6 mm

1.6 - 2.5 mm

≥ 2.5 mm

Volume mm³

<350

260°C

260°C

250°C

Volume mm³

350 - 2000

260°C

250°C

245°C

Volume mm³

>2000

260°C

245°C

245°C

refer to IPC/JEDEC J-STD-020D

H Soldering Specifications:

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.