2.0

1.0

REV

2015-05-20

2004-10-11

DATE

SSt

CZ

BY

HasA

-

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-SI Leaded Toroidal Storage Choke

Order.- No.

744137

SIZE

A4

A Dimensions: [mm]

Ø D

W max.

G ±2

G1 min.

Pw ±1.5

Ø F ref.

31.0

15.0

12.0

1.0

13.0

0.7

C Schematic:

D Electrical Properties:

Properties

Inductance

Rated inductance

Rated current

Saturation current

DC Resistance

Self resonant frequency

Test conditions

10 kHz / 5 mA

10 kHz / 5 mA / IR

∆T = 40 K

|ΔL/L| < 10%

@ 20°C

L

LR

IR

Isat

RDC

fres

Value

630

380

3.1

1.0

0.175

1.5

Unit

µH

µH

A

A

Ω

MHz

Tol.

±20%

typ.

max.

typ.

max.

typ.

E General information:

It is recommended that the temperature of the part does not exceed 105°C un-

der worst case operating conditions.

•Ambient temperature: -40°C to +65°C (refering to IR)

•Operating temperature: -40°C to +105°C

•Storage temperature (in tray packaging): -20°C to +40°C; 75% RH max.

•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.