Coin cell retainers

1 September 2010 Switches, Relays & Keypads

A new series of insulated, low-profile coin cell retainers, suited for high-density PCB packaging, is available from Keystone Electronics for surface and through-hole mount battery retainers. Their unique, patent-pending design protects the battery from shorting if inserted incorrectly.

These new retainers allow the user to stack two 20 mm cells on top of each other to achieve 6 V of power from the same board footprint as for single-cell 3 V applications. The retainers are rugged yet lightweight, with clearly marked polarity, and are designed for both lead-free solder and traditional reflow processes. The solder tails located outside the insulating material support visual inspection systems. The new retainers are available in bulk or on tape and reel.

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