Card connectors aid ejection
11 November 2008
MicroSD card connectors from Molex are for compact mobile devices.
Designed for microSD, the world’s smallest memory card storage system, Molex’s microSD card connectors offer additional features to help control card ejection in mobile and compact devices. They are available in two profile heights to address card fly-out and card sticking problems that can occur with spring-style card ejection systems.
The 1.53mm low-profile height normal mount microSD connector provides approximately 15% vertical space savings compared to 1.80mm industry standard height types. It includes two brake tabs that assist in slowing down card ejection without putting any friction on the card. Brake tabs work with other internal housing features to help control card ejection speed.
In addition, the 1.80mm height normal and reverse mount microSD connectors controls card ejection speed in normal mount versions through internal housing features. The reverse mount style combines various brake tab, spring setting and housing features to achieve smooth card extraction. It includes a rib wall to protect the terminal tips from damage during card insertion, as well as smoothly bevelled terminals for further protection. It also uses a card polarisation feature to prevent improper mating by stopping a card inserted improperly from making contact with the detect switch.
All are rated at 0.5A and 10V and include metal shielding for ESD protection. The terminals are gold plated for secure contact and good repeat cycling, and they come in embossed tape packaging, with wide space on the shell for vacuum pick-and-place. Open areas are also designed into the shell to allow for visible checking of solder tail joints.
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