H Soldering Specifications:

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

refer to IPC/JEDEC J-STD-020D

H3: Package Classification Reflow 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.

Package Thickness

Volume mm3

<350

Volume mm3

350 - 2000

Volume mm3

>2000

PB-Free Assembly

PB-Free Assembly

PB-Free Assembly

< 1.6 mm

1.6 - 2.5 mm

≥ 2.5 mm

260°C

260°C

250°C

260°C

250°C

245°C

260°C

245°C

245°C

refer to IPC/JEDEC J-STD-020D

DESCRIPTION

WE-LQ SMD Inductor

3.4

3.3

2014-01-08

2013-04-25

SSt

SSt

SSt

SSt

Würth Elektronik eiSos GmbH & Co. KG

EMC & Inductive Solutions

Max-Eyth-Str. 1

3.2

3.1

3.0

REV

2012-12-05

2012-11-13

2006-07-14

DATE

SSt

SSt

UB

BY

SSt

MST

-

CHECKED

74638 Waldenburg

Germany

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

www.we-online.com

eiSos@we-online.com

Order.- No.

744032008

Size: 1210

SIZE

A4

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.