Connector Categories
Audio/Video (A/V) Connectors
These connectors are used for transmitting audio and video signals between devices.
| Image | Name | Usage |
|---|---|---|
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HDMI (High-Definition Multimedia Interface) | Used for high-definition video and audio transmission (e.g., TVs, monitors, gaming consoles). |
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VGA (Video Graphics Array) | Older analog connector for video signals (e.g., projectors, older monitors). |
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DVI (Digital Visual Interface) | Transmits digital or analog video signals (common in monitors and projectors). |
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RCA (Radio Corporation of America) | Analog connectors for composite video and stereo audio (red, white, yellow plugs). |
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3.5mm Audio Jack | Standard headphone jack for audio input/output (e.g., headphones, speakers). |
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XLR | Balanced audio connector for microphones and professional audio equipment. |
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BNC | Coaxial connector used in CCTV systems and RF applications. |
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DisplayPort | High-bandwidth connector for video and audio, often used in monitors and computers. |
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S-Video | Older analog connector for video signals with better quality than RCA. |
Network Connectors
These connectors are used for networking and data transmission.
| Image | Name | Usage |
|---|---|---|
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RJ45 | Standard Ethernet connector for wired network connections (e.g., routers, switches, computers). |
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RJ11 | Smaller connector used for telephone lines and DSL modems. |
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LC, SC, ST, MTP/MPO | Fiber optic connectors for high-speed data transmission in networking and telecommunications. |
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USB (Universal Serial Bus) | Used for data transfer and charging (e.g., USB-A, USB-C, Micro-USB). |
Power Connectors
These connectors are used for delivering electrical power to devices.
| Image | Name | Usage |
|---|---|---|
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C13/C14 | Common power connector for computers, monitors, and other electronics. |
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C7/C8 (Figure-8) | Two-pin power connector for small appliances (e.g., laptops, gaming consoles). |
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C5 (Cloverleaf) | Three-pin power connector for projectors, portable DVD players, etc. |
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IEC 60320 | Family of power connectors standardized for various applications. |
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DC Barrel Jack | Cylindrical connector for low-voltage DC power (e.g., laptops, routers). |
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NEMA | North American standard for AC power plugs and receptacles. |
Data and Peripheral Connectors
These connectors are used for data transfer and peripheral device connections.
| Image | Name | Usage |
|---|---|---|
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USB-A, USB-B, USB-C | Universal connectors for data transfer and charging. |
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Thunderbolt | High-speed data and video connector (often combined with USB-C). |
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SATA (Serial ATA) | Connector for internal storage devices (e.g., hard drives, SSDs). |
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Molex | Power connector for internal computer components (e.g., fans, drives). |
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eSATA | External SATA connector for connecting external storage devices. |
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FireWire (IEEE 1394) | High-speed data connector for older devices like camcorders. |
Coaxial Connectors
These connectors are used for transmitting radio frequency (RF) signals.
| Image | Name | Usage |
|---|---|---|
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F-Type | Commonly used for TV antennas, satellite dishes, and cable TV. |
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BNC | Bayonet-style connector for RF and video signals (e.g., CCTV, test equipment). |
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TNC | Threaded version of BNC for higher-frequency applications. |
Industrial and Specialized Connectors
These connectors are used in industrial, military, or specialized applications.
| Image | Name | Usage |
|---|---|---|
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DB9, DB25 | D-subminiature connectors for serial communication (e.g., RS-232). |
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Circular Connectors | Robust connectors used in industrial and military applications (e.g., aviation, robotics). |
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RJ48 | Similar to RJ45 but used for T1/E1 data lines in telecommunications. |
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SMPTE | Connector for broadcast and professional video/audio equipment. |
Automotive and Marine Connectors
These connectors are designed for harsh environments like vehicles and boats.
| Image | Name | Usage |
|---|---|---|
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OBD-II (On-Board Diagnostics) | Connector for vehicle diagnostics and maintenance. |
| Weatherproof Connectors | Sealed connectors for outdoor or marine applications (e.g., waterproof USB, circular connectors). |
Miscellaneous Connectors
These include specialized or less common connectors.
| Image | Name | Usage |
|---|---|---|
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Banana Plugs | Used for audio and speaker connections. |
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Binding Posts | Terminals for connecting wires in audio equipment. |
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Keystone Jacks | Modular connectors for wall plates (e.g., RJ45, HDMI, USB). |
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Fiber Optic Connectors | LC, SC, ST, and MTP/MPO for optical data transmission. |


































