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A Molex connector is a two-piece pin-and-socket interconnection which became an early electronic standard. Developed by Molex Connector Company in the late 1950s, the design features cylindrical spring-metal pins that fit into cylindrical spring-metal sockets, both held in a rectangular matrix in a nylon shell.
A Shugart SA-400 5.25 inch Minifloppy drive with a 4-pin AMP Mate-N-Lok connector in the lower left of the circuit board. The 4 pin disk drive power connector used on the first 5.25 inch floppy drive, the Shugart SA-400 in 1976, was an AMP Mate-N-Lok connector. The Shugart SA-400 OEM Manual identifies the part as the AMP Mate-N-Lok connector.
A 34-pin control cable and a 20-pin data cable for an ST-412 drive connected to a controller card. A 4-pin Molex connector supplying power to the drive can not be seen in this image. In the ST-506 interface, the drive connects to a controller card with two ribbon cables carrying signals, while a third cable provides power.
The Amplimite and MDR connectors are similar in shape and size, but can be distinguished by the former using pin contacts and the latter using wipers. For Wide SCSI-2, the most common connector was the larger 68-pin sibling of the HD50, known as the HD68, MiniD68, HPDB68, and sometimes as "SCSI-3".
In the broadcast, film, and television industries, the 4-pin XLR connector is the standard for 12 V power. The connectors are wired pin 1 negative, pin 4 positive. Often pins 1 and 2 will be negative, 3 and 4 positive for a higher current rating. Female connectors are used as supply and male connectors are used on loads.
The additional pin is used for a pulse-width modulation (PWM) signal to provide variable speed control. [26] These can be plugged into 3-pin headers, but will lose their fan speed control. The Molex part number of receptacle is 47054-1000. The Molex part number of individual crimp contacts is 08-50-0114. The Molex part number of the header is ...
The first types of small modular telephone connectors were created by AT&T in the mid-1960s for the plug-in handset and line cords of the Trimline telephone. [1] Driven by demand for multiple sets in residences with various lengths of cords, the Bell System introduced customer-connectable part kits and telephones, sold through PhoneCenter stores in the early 1970s. [2]
The compact size lets a low-profile card support two high resolution displays, and a full-height card (with two DMS-59 connectors) up to four high resolution displays. The DMS-59 connector was used by e.g. AMD ( AMD FireMV ), Nvidia and Matrox for video cards sold in some Lenovo ThinkStation models, Viglen Genies and Omninos, Dell , HP and ...