Jumper Resistors

WL4 Series

Insulated body allows WL4 to be passed over

tracks without short circuiting

Can be tape mounted for auto-insertion machines

Removes the need for double sided PC boards in some cases

Jumper Resistors

WL4

• Insulated body allows WL4 to be

passed over tracks without short

circuiting

• Can be tape mounted for auto-insertion

machines

• Removes the need for double sided PC

boards in some cases

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General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability.

All information is subject to Welwyn’s own data and is considered accurate at time of going to print.

© Welwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

Electrical Data

Issue B · 03.02

A subsidiary of

TT electronics plc

Welwyn Components

159

Construction

Termination wires are welded to a very low resistance body.

The body is then protected by a moisture resistance high

dielectric strength coating applied so that the terminations

remain completely clear. This permits a well defined body

length (clean lead to clean lead dimension L).

Materials

Material

Solder-coated copper wire.

Strength

The materials meet the requirements of IEC

68.2.21

Solderability The terminations meet the requirements of

IEC 115-1, Clause 4.17.3.2

Marking

Resistors are marked with two yellow bands placed centrally

on the body.

Solvent Resistance

The body protection and marking are resistant to all normal

industrial cleaning solvents suitable for printed circuits.

Dimensions (mm)

PCB

Min.

mounting

bend

Type

L Max

D Max

f min

d nom

centres

radius

WL4

6.2

2.5

21.0

0.6

10.2

0.6

Physical Data

L

D

f

d

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N

4

L

W

Measured on 18mm contact pitch

0.03 max. 0.01 typ.

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Electrical Data

01.11

04.21

General Note

TT Electronics reserves the right to make changes in product specification without notice or liability.

All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.

© TT Electronics plc

www.ttelectronics.com/resistors

BI Technologies IRC Welwyn

All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)

All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)

Resistors

OBSOLETE (WLT wire links only)