Unique-Bargains
Unique-Bargains 17cm DC Female 5.5x2.1mm to Micro USB Male Power Extension Cord
Connects a 5.5×2.1 mm barrel power source to a Micro-USB device using a 17 cm cable
- TypePower
- Converts barrel power to Micro USB charging using 5.5×2.1 mm jack
- 17 cm cable keeps desk tidy with short reach
- 5 mm outer diameter fits tight camera mounts
- 3 mm² conductors carry steady DC current
- Male-to-female layout simplifies camera installation
Connector compatibility
This 17 cm adapter cable carries a 5.5 x 2.1 mm female barrel jack on one end and a USB Micro-B male plug on the other. It lets you power or charge a USB Micro-B device from a standard barrel-output power supply. The wire has a nominal cross section of 0.3 mm² and an overall diameter of 3.5 mm.
Thermals noise and power draw
As a passive copper cable it generates no audible noise and adds no active thermal load to a system. Voltage and current are determined entirely by the connected power supply and the USB device, so the cord itself draws no power beyond negligible resistive loss. The 3.5 mm outer jacket provides basic insulation for typical indoor use.
Sustained load behaviour
The fixed 17 cm length keeps voltage drop minimal during continuous operation, while the 0.3 mm² conductors handle steady current within the limits of the barrel and Micro-USB interfaces. No active cooling or derating is required because the assembly contains no semiconductors or regulation circuitry. Connection reliability depends on matching the 5.5 x 2.1 mm barrel dimensions to the source adapter.
Highlights
- Converts barrel power to Micro USB charging using 5.5×2.1 mm jack
- 17 cm cable keeps desk tidy with short reach
- 5 mm outer diameter fits tight camera mounts
- 3 mm² conductors carry steady DC current
- Male-to-female layout simplifies camera installation
Specifications
| Brand | Unique Bargains |
|---|---|
| Type | Power |
Questions about this item
How do I install the 5.5x2.1mm female barrel jack onto my power adapter?
Plug the 5.5x2.1mm female barrel jack directly onto the male barrel connector of your power adapter; the 17cm cable then presents a Micro USB male plug for your device.
What maintenance will the 0.3 mm² conductors need over time?
Inspect the 3.5mm diameter cable periodically for kinks or insulation wear near the plugs; replace the cord if the conductors become exposed.
What limit appears first when powering a device continuously through the Micro USB plug?
The 0.3 mm² nominal cross-section limits current capacity, so sustained high-draw loads will hit the wire gauge limit before the connectors do.
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