A USB C receptacle (or port) is a type of connector used for USB connections, also known as USB type C female connector or USB C female connector.The USB-C female connector is a universal interface widely used in modern electronic devices. Below is a detailed introduction to its core features, pin definitions, technical parameters, and selection considerations.
USB Type C Connector Alternatives: TE, MOLEX, Amphenol, Foxconn, JAE, HRS, SMK, ACES.
A USB-C receptacle is an electronic component that allows for connecting a USB-C cable to a device. It is a type of USB interface that uses a reversible connector with a single port for data and power.
USB C receptacle is widely used in various devices, including:
A full-featured USB-C female connector has 24 pins, designed symmetrically. These pins can be mainly divided into the following groups according to their functions:
* Power pins: Includes 4 VBUS (bus power) and 4 GND (ground) pins, ensuring stability during high-current transmission.
* High-speed differential signal pairs: Used to support high-speed data transmission protocols such as USB 3.0/3.1.
* USB 2.0 differential signal pairs: Used for compatibility with the USB 2.0 protocol.
* Configuration channels: The CC1 and CC2 pins are the “intelligent core” of the connector, responsible for connection detection, plug orientation recognition, current mode negotiation, and USB Power Delivery (PD) fast charging protocol communication.
* Sideband usage pins: SBU1 and SBU2 are mainly used to transmit audio signals in alternating mode.
When selecting industrial USB-C connectors, the following technical parameters should be considered:
* Current rating: Power pins can support 5A, while other signal pins are typically 1.25A.
* Insulation resistance: Minimum 100MΩ (under DC 500V conditions). * Voltage withstand capability: Withstands 100V AC RMS.
* Operating temperature range: Typically -40°C to +85°C, some models support -55°C to +85°C.
* Mechanical life: High-quality connectors have a mating life of up to 10,000 cycles.
Choosing the appropriate pin count version based on your needs can optimize cost and design:
Applicable Scenarios | Main Function | Applicable Scenarios |
24-Pin (Full-Functional) | Supports all functions including USB 3.0/3.1 high-speed data, PD fast charging, and video output. | High-end laptops, docking stations, devices requiring high-speed data transfer and video output. |
16-Pin (USB 2.0) | Retains the CC pin required for USB 2.0 data cable and PD fast charging, removes high-speed differential signal pins. | Microcontroller development boards, small appliances, keyboards, mice, and other peripherals with low data transfer speed requirements. |
6-Pin (Charging Only) | Retains only VBUS, GND, and CC pins, focusing on power transfer. | Power tools, smart home devices, and other devices that only require charging and not data communication.
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When you select, you also need to confirm the required mounting method (e.g., surface mount or through-hole) and whether waterproofing is needed.
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