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About Electrical Connectors
Electrical connectors are devices that join electrical circuits together. Male connectors plug into receptacles, jacks, and outlets. Female connectors contain sockets to receive other devices. Gender changers convert female connectors to male connectors, and vice versa. A wide variety of electrical connectors are available. Many categories are based on shape (e.g., cylindrical, square, keystone) and smallest contact size. Contacts range from as small as 0.50 mm or 0.0197” to as large as 5.08 mm or 0.20”. Some electrical connectors are water resistant or designed specifically for underwater use. Others are hermetically sealed, resistant to moisture and oils, or suitable for cryogenic applications. Electrical connectors can include shielding against electrostatic discharge (ESD) and filtering for electromagnetic interference (EMI) and radio frequency interference (RFI). Common sizes for electrical connectors are standard (size 16 contacts), miniature (size 20 contacts), subminiature or high-density (size 22 contacts), and micro-miniature (size 24 contacts).
Computers use many types of electrical connectors. Edge card connectors are embedded devices that mate with the edges of single-sided or double-sided printed circuit boards (PCBs). Electrical connectors fit ribbon cables, coaxial cables, batteries, and power supplies. Strip connectors have one or more rows of contacts. Internal computer connectors link devices such as microprocessors and random access memory (RAM) slots. Other computer connections require universal serial bus (USB), Centronics, D-subminiature, or header connectors. Small computer system interface (SCSI) connectors are parallel devices that connect peripherals to computers. IEEE 1284 connectors also use a parallel port protocol. Specialty electrical connectors are used with smart cards, devices that are embedded with a microprocessor and/or memory chip. Electrical connectors are also used with personal computer (PC), CompactFlash®, and IEEE 1394 (FireWire®) cards. CompactFlash is a registered trademark of the CompactFlash Association. FireWire is a registered trademark of Apple Computer, Inc.
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Part Numbers for Electrical Connectors
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| 2FEK4 | Grainger Industrial Supply | GROTE INDUSTRIES INC | Battery Accessories | Connector Flag,PK5 |
| 2FER4 | Grainger Industrial Supply | GROTE INDUSTRIES INC | Battery Accessories | Connector,PK5 |
| 2FFJ7 | Grainger Industrial Supply | GROTE INDUSTRIES INC | Battery Accessories | Connector Conversion,PK 2 |
| 2FGC1 | Grainger Industrial Supply | GROTE INDUSTRIES INC | Battery Accessories | Connector Lead Free,PK 10 |
| 19413-0065 | Digi-Key | Molex Connector Corporation | Not Provided | WIRERITE ELECTRICAL REPAIR KIT |
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