Our 3.0mm x 1.1mm to 2.1mm DC Adapter Cable is a specialized power solution designed to bridge the gap between standard power supplies and devices requiring a precision small-format barrel input. This 16cm flexible lead allows you to use universal 2.1mm power adapters with electronics that utilize a 3.0mm outer diameter and 1.1mm inner diameter port.
Precision 3.0mm x 1.1mm Output: Features a high-accuracy male plug with a 3.0mm outer diameter and 1.1mm inner diameter, a common standard for ultra-portable laptops, netbooks, and specialized media players.
Universal 2.1mm Input Interface: The standard 2.1mm x 5.5mm female socket ensures compatibility with the vast majority of universal power bricks and wall adapters.
Yellow Tip Color Coding: The male plug is finished with a high-visibility yellow insulator tip, following industry standards for quick identification of the 1.1mm pin size.
Compact 16cm Reach: The short cable length provides a tidy, low-profile connection that eliminates excessive cable clutter in your workspace or travel bag.
Flex-Shield Strain Relief: Both connector ends are equipped with integrated, multi-tier molded strain relief to protect the internal copper wiring from damage caused by bending.
Impact-Resistant PVC Housing: Encased in a rugged, matte black PVC jacket that provides excellent protection and durability for daily use.
Connector A (Output): 3.0mm (OD) x 1.1mm (ID) DC Male Plug (Yellow Tip).
Connector B (Input): 2.1mm (ID) x 5.5mm (OD) DC Female Socket.
Total Length: 16cm.
Core Material: High-Conductivity Copper Lead.
Jacket Material: Flexible Matte Black PVC.
Polarity: Straight-Through Power Transmission.
Laptop & Netbook Charging: Adapt standard power supplies for use with specific Acer, Samsung, or ASUS netbooks that require the 3.0mm x 1.1mm connector.
Portable Electronics: Power specialized handheld devices, tablets, or compact monitors that utilize small-format DC ports.
Universal Power Kits: An essential addition to a technician’s toolkit for adapting standard bench power supplies to precision hardware interfaces.
How do I know if I need a 1.1mm or 1.3mm pin? The yellow tip is the primary visual indicator for the 1.1mm size. If your device has an extremely thin center pin, this 1.1mm adapter is likely the correct fit.
Does this cable regulate the voltage? No. This is a direct adapter cable. It will pass whatever voltage your power supply provides directly to your device. Always ensure your power supply voltage matches your device's input requirements.
Is 16cm long enough? The 16cm length is designed to act as a "pigtail" adapter. It provides enough flexibility to reduce tension on your device's port without adding the bulk of a full-length extension cable.
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