71299-020CALF

Series:	71299
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Card Type:	PCMCIA - CardBus, Type I, II, III
Number of Positions:	68
Connector Type:	Connector and Ejector
Insertion, Removal Method:	Push In, Push Out
Ejector Side:	Right
Mounting Type:	Surface Mount, Right Angle
Features:	Card Guides
Height Above Board:	0.315" (8.00mm)
Mounting Feature:	Normal, Standard - Top
Contact Finish:	Gold
Contact Finish Thickness:	3.00µin (0.076µm)

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71299-020CALF Memory Connectors - PC Card Sockets

The 71299-020CALF is a memory connector, specifically a PC Card Socket. PC Card Sockets are used in a variety of computing devices to allow engineers to add memory features and expand the capabilities of an apparatus. In particular, the \'020CALF\' model is a card edge-style connector which provides quick and easy connection for Portable computers and systems requiring up to 90° orientation.

Features

The 71299-020CALF features 5020 contacts with a 0.508mm pitch. It is designed to accommodate two boards (top/bottom) within the same card edge, which allows for higher performance in a smaller form factor. It also offers high density and an ultra-slim design, with a 2.5mm profile. The insertion cycle is rated at 500 solder/deesolder cycles; it additionally meets current PCI/PCMCIA specs and ATA/IDE standards.

Components

The 71299-020CALF PC Card Socket consists of a die-cast shell which forms the frame for the component contacts. The component contacts are machined of phosphor bronze and plated with tin/lead, forming a surface which is precisely configured to mate with the card edge, as well as allow low contact resistance. The contacts have no asymmetry and no overt plating, which are both features that ensure reliability and accuracy. Additionally, the socket is equipped with plastic actuator latches, which are used to lock the card in place. These provide quick and easy connection with a secure hold. The card retention is further assisted by small raised blocks on the inside edges of the socket (known as locator walls). These walls run parallel to the direction of the actuator latch, providing a secure fit for the card when the latch closes.

Application Field and Working Principle

The 71299-020CALF is an extremely versatile memory connector, with applications spanning multiple industries and application fields. Some of the most common include portable computer systems, telecommunications, gaming, and automotive systems.The way the 71299-020CALF works is quite simple. When the card is inserted and the actuator latch is activated, the card is distributed along the length of the contacts, pushing them outwards and making contact with the corresponding points on the card edge. This contact creates an electrical connection between the device and the card, allowing for the transfer of information between the two. Once the card is in place, two pins on either side of the actuator latch retract into their corresponding retention slots on the edge of the card, providing a secure hold and ensuring the card will stay in place. The locator walls also contribute by guiding the card into the proper insertion position.

Conclusion

The 71299-020CALF memory connector offers superior performance and signal quality and can be used in portable computer systems, as well as a variety of other applications which require high-density memory connections. Its slim profile and quick installation make it an ideal choice for any application which requires reliable memory connections.

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