Streamlines solder mask classes into two classifications: H (high reliability) and T (telecommunications). IPC-SM-840C also integrates Bellcore requirements (class T) and provides minimum voltage breakdown, defines mask formulation latitude, adds new mask chemistries and more.
IPC SM-840C
Original price was: $51.00.$25.00Current price is: $25.00.
Qualification and Performance of Permanent Polymer Coating (Solder Mask) for Printed Boards, Includes Amendment 1
Association Connecting Electronics Industries , 01/01/1996
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