89891-309LF

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Rectangular Connectors have long been used for power and signal connections in a variety of electrical and electronic devices. Their particular geometry and construction make them well-suited for panel-mounting and for high-frequency applications and other specific or specialized uses. The 89891-309LF from Molex is one such passive connection system used in a wide range of applications.

The 89891-309LF is designed as rectangular, surface-mount, two-piece interconnect system, consisting of a header and a receptacle. It features three rows of 6 female sockets and two rows of 6 male pins, arranged in a 32.5mm x 8mm body. It is suitable for both low-impedance and high-frequency connections. Because of its small size and versatility, the 89891-309LF is commonly used in devices requiring multiple signal connections, such as telecommunications and portable electronic devices. It is also typically used in applications involving heat dissipation, such as power supplies and LED lighting.

The primary function of the 89891-309LF is to make reliable electrical connections between two or more integrated circuits, usually using a plug-and-socket type of interface. The header is inserted into the recptacle and mated using the edge board lance and soldering process. Electrical contact is then made between the male and female pins via a pair of gold-plated spring contacts. A unique lance edge board design helps ensure a tight connection and complete EMI/RFI shielding. Additionally, the socket contact areas are flanked by locating lugs to ensure full mating control, along with enhanced wiring strength.

The 89891-309LF has a current rating of 3A, and a voltage rating of 50V AC/DC. Its contact force is 400gf nominal, with a minimum retention force of 360gf. It is designed to work within a temperature range of -55°C to +85°C. The 89891-309LF is RoHS compliant and supplied in tape-and-reel packaging for high-speed automated assembly.

The 89891-309LF is an excellent choice for applications requiring good reliability, high packing density, and superb anti-vibration performance. It is designed to provide a secure connection that is durable and withstands insertion/pull out cycles, shock and vibration, as well as environmental extremes. It is also suitable for mounting on high-temperature/low-temperature printed circuit boards, making it ideal for a variety of applications.

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