This specification sets the requirements for the use of
Immersion Tin (ISn) as a surface finish for printed circuit
boards. It is intended for use by supplier, manufacturer,
contract manufacturer (CM) and original equipment manufacturer
(OEM).
IPC 4554-2007 history
1970IPC 4554-2012 Specification for Immersion Tin Plating for Printed Circuit Boards
2007IPC 4554-2007 Specification for Immersion Tin Plating for Printed Circuit Boards