Connector terminals with improved solder joint
Abstract:
A connector lead has a lead terminal that includes a recessed solder wicking restriction area for ensuring that enough solder remains on or near the lead terminal. The lead terminal has a neck portion and a base portion extending from the neck portion. The neck portion has a width that is narrower than the width of the lead. The narrower neck portion defines a recessed solder wicking restriction area that encourages more solder to accumulate on or near the base portion instead of wicking up the lead. The width of the neck portion may also be narrower than the width of the base portion, causing the lead terminal to resemble an inverted “T” when viewed from the front. A band of solder resistive material may be applied circumferentially or laterally around the connector lead above the lead terminal to limit wicking in some embodiments.
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