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Designed for PCB packaging applications, Keystone"s new Button and Spring contacts are ideal for top-side board mounting of “A”, “AA”,“AAA” and “N” size cells. Facilitating a direct PCB-to-battery connection, the contacts feature steel, tin plated frames and contacts. The steel frames include a unique “box” base which insures excellent PCB mounting with increased support and stability. Reliable PCB installation and solderability is possible with either 0.062" or 0.093" 1.57 mm and 2.36 mm thick boards