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Indium CW-301 Water-Soluble Cored Wire Solder

CW-301 wire solder is cored with a high reliability water-soluble flux that is compatible with Indium's full line of Pb-Free soldering materials. It provides excellent solder spread with minimal smoking and low odor. The fast wetting speed is beneficial in minimizing rework cycle time which is typically longer with Pb-Free solders.
Manufacturer: Indium
Description

Features

• Optimized for use with Sn/Pb and Pb-Free

Residue Removal

The flux in CW-301 is formulated for use in war-wash assembly and rework processes
• Excellent cleanability with cold water
• Fast and excellent wetting to common Pb-Free surface finishes including: ImmSn, ENIG, OSP and ImmAg
• Minimal spattering & low odor
• Resistant to charring

Introduction

CW-301 wire solder is cored with a high reliability water-soluble flux that is compatible with Indium's full line of Pb-Free soldering materials. It provides excellent solder spread with minimal smoking and low odor. The fast wetting speed is beneficial in minimizing rework cycle time which is typically longer with Pb-Free solders.

Residue Removal

The flux in CW-301 is formulated for use in water-wash assembly processes. The post soldering flux residue should be removed as soon as possible after soldering. The residue may be readily cleaned in conventional equipment without the use of saponifiers or detergents. It is important that the cleanliness of boards and components are thoroughly checked after soldering and cleaning. Deionized water is recommended for final rinse.

Storage

CW-301 has a shelf life of 3 years when stored in a dry, non-corrosive environment such as a low humidity dry cabinet. Direct sunlight, excessive humidity and storage near heat sources should be avoided.

Technical and Customer Support

Indium Corporation’s internationally experienced engineers provide in-depth technical assistance to our customers. Thoroughly knowledgeable in all facets of Material Science as it applies to the electronics and semiconductor sectors, Technical Support Engineers provide expert advice in solder proper ties, alloy compatibility and selection of solder preforms, wire, ribbon and paste. Indium Corporation’s Technical Support engineers provide Rapid Response to all technical inquiries.

Material Safety Data

Sheets

The MSDS for this product can be found online at
http://www.indium.com/techlibrar y/msds.php

BELLCORE AND J-STD-004A TESTING RESULTS

Test

Result

Test

Result

IPC J-STD-004A

• Flux Type Classification

• SIR

• Electromigration

ORH1

Pass

Pass

Bellcore GR-78-CORE

• Electromigration

Pass

All information is for reference only. Not to be used as incoming product specifications.

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Conro Electronics Ltd
Unit 7, Orbital 25, Dwight Road, Watford, Hertfordshire
WD18 9DA

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