DC Power Jack 2.1mm Barrel
A DC Power Jack 2.1mm Barrel is a type of electrical connector used to supply power to various electronic devices. It is characterized by its barrel-shaped design and a center pin for positive voltage.
Description:
- Barrel Diameter: 2.1mm (0.083 inches)
- Center Pin: A single pin located in the center of the barrel, typically used for positive voltage.
- Outer Sleeve: The outer cylindrical part of the jack, often used for ground or negative voltage.
- Mounting Type: Usually designed for panel mounting, with a threaded or snap-fit mechanism for secure attachment.
- Polarity: Typically, the center pin is positive, and the outer sleeve is negative. However, some jacks may have reverse polarity.
- Voltage Rating: The maximum voltage that the jack can safely handle. (Example: 12V)
- Current Rating: The maximum current that the jack can safely handle. (Example: 2A)
- Contact Resistance: The electrical resistance between the center pin and the outer sleeve. (Example: 0.01 ohms)
- Insulation Resistance: The electrical resistance between the center pin and the outer sleeve under specified conditions. (Example: 100MΩ)
- Withstand Voltage: The maximum voltage that can be applied between the center pin and the outer sleeve without causing breakdown. (Example: 500VAC)
- Operating Temperature: The temperature range within which the jack can operate reliably. (Example: -40°C to +85°C)
- Material: Typically made of metal (such as brass or copper) for the contacts and plastic (such as nylon or PBT) for the insulation.
Specifications:
The specific specifications of a DC Power Jack 2.1mm Barrel may vary depending on the manufacturer and the intended application. However, the above-mentioned parameters are generally common.
Applications:
- Portable Electronics: Laptops, tablets, smartphones, power banks, and other devices that require external power.
- Industrial Equipment: Machinery, control systems, and other industrial applications.
- Medical Devices: Diagnostic equipment, monitoring devices, and other medical instruments.
- Consumer Electronics: Audio and video equipment, gaming consoles, and other consumer devices.
By understanding the description and specifications of a DC Power Jack 2.1mm Barrel, you can select the appropriate jack for your specific application based on your requirements for voltage, current, polarity, and other factors.
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