text.skipToContent text.skipToNavigation
Product Variant Information section
Product Specification Section
Pricing Section

Stock: 123

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: N/A
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $39.49
3 $36.15
5 $34.69
20 $31.02
30+ $30.02


Attributes Table
Type Solder Wire
Alloy Composition SN63/PB37
Flux Type 331 Water Soluble
Diameter 0.031in
Core Size 66in
Spool Size 1lb
Features and Applications

For over 100 years, Kester has been a global leader in supplying higher performance interconnecting materials and related services to the electronic assembly market. Globally, Kester is known for their high quality product and advanced manufacturing technology.

Kester “331” is a high activity water-soluble core flux for soldering difficult metals. “331” is designed for optimal cleanability along with minimal smoke and odor. “331” is classified as ORH1 per J-STD-004.

The 24-6337-6403 from Kester ia a “331” flux solder wire composed of 63% Tin and 37% Lead. 24-6337-6403 consists of a 0.031 diameter, 66 core size and is available in 1 pound spools.