Why Is Lead Free HASL Finish A Hassle?

Hot Air Solder Leveling (HASL finish) has long been a reliable PCB surface finish, still used today in military, aerospace, medical, and other applications. So what concerns do manufacturers have, and is lead free HASL your best option?

ENIG VS HASL In PCB Fabrication - Jhdpcb

pcbway Maya's Programming & Electronics Blog

Page 157 – RAYPCB

Types Of PCB Surface Finish That Are Important With Pros/Cons

Fiducials, Testers, Solder Resist, HASL, And ENIG In PCB

ENIG VS HASL In PCB Fabrication - Jhdpcb

JHD PCB

5 Types of PCB Surface Finishes: Is One of Them Right For Your Project? - Gabrian International

Lead-Free HASL Sierra Circuits

HASL VS ENIG 10 Tips on How to Choose Enig Plating

Understanding How Solder and Coatings Impact PCB Shelf Life