FREE TECHNICAL GUIDE

Avoid guesswork.
Ensure precision by selecting the appropriate solder materials.

Download the complete guide for engineers and procurement professionals — covering alloy selection, flux chemistry, paste specification, and application-specific recommendations.

SAC305 vs SN100C

Flux chemistry

Industry specs

RoHS exemptions

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What's inside

9 sections covering every decision point in solder material specification

1

Alloy selection framework

SAC305 vs. SAC0307 vs. SN100C vs. tin-lead — when to use each and why, with a quick-reference comparison table.

2

Solder paste specification

How to match powder size (Type 3–6) and flux chemistry (no-clean, water-soluble, rosin) to your printing process and board design.

3

Wire and bar solder selection

Core type, diameter, and wave soldering parameters matched to your manual, robotic, and selective soldering operations.

4

Application-specific guidance

Material recommendations for aerospace/military, automotive, medical devices, consumer electronics, and industrial controls — including RoHS exemption considerations.

5

Supplier qualification & common mistakes

What to expect from an authorized distributor, how to verify material authenticity, and the five most costly specification errors to avoid.

Is this guide right for you?

Manufacturing engineers setting up new SMT lines or optimizing existing processes

Process engineers troubleshooting solder joint quality or qualifying new materials

Procurement professionals evaluating suppliers and managing material specifications

Quality engineers ensuring compliance with IPC, RoHS, REACH, and industry-specific standards

Built on 60+ years of experience

SMT Supplies is an authorized distributor for AIM Solder and other leading manufacturers in electronics assembly. Our technical team works directly with manufacturing engineers and procurement professionals to solve material selection challenges every day.This guide distills that hands-on expertise into a practical resource you can reference during your next material qualification or supplier review.

Authorized AIM Solder distributor

Aerospace & military

Medical & commercial

Full-service stocking distributor

Need hands-on help right now?

Our technical specialists can help with application-specific material selection, qualifications, and competitive pricing.