Keszoox
DC Type-C Female to 5.5x2.1mm Female Cable – 5521 DC Power Jack Adapter & USB Type-C Power Converter
DC Type-C Female to 5.5x2.1mm Female Cable – 5521 DC Power Jack Adapter & USB Type-C Power Converter
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DC Type-C Female to 5.5×2.1mm Female Cable — 5521 DC Power Jack Adapter, USB Type-C Power Converter
A short adapter cable with a USB Type-C female socket at one end and a 5.5×2.1mm (5521) DC barrel jack female socket at the other end. Allows devices with a standard 5.5×2.1mm DC barrel power input to be powered from a USB Type-C power source (power bank, USB-C charger, or USB-C PD adapter). Ideal for powering routers, IP cameras, LED drivers, Arduino boards, and other 5V–20V DC-powered electronics from modern USB-C power sources.
Technical Specifications
| Parameter | Value |
|---|---|
| Connector A | USB Type-C female socket |
| Connector B | 5.5×2.1mm DC barrel jack female socket (5521) |
| Cable Direction | Female-to-female (passive adapter) |
| Rated Voltage | 5V – 20V DC (USB-C PD compatible) |
| Rated Current | Up to 3A (cable dependent) |
| Conductor | Copper, tinned |
| Insulation | PVC |
| Polarity | Centre positive (5521 standard) |
| Certification | RoHS |
Typical Applications
- Router Power from USB-C: Power a 5V or 9V router with a 5.5×2.1mm DC barrel input from a USB-C power bank or USB-C PD charger during travel or power outages
- IP Camera Power: Supply 12V DC to an IP camera or CCTV camera with a 5521 barrel input from a USB-C PD adapter (requires PD trigger for 12V output)
- Arduino & Raspberry Pi: Power Arduino Uno (5.5×2.1mm barrel jack) from a USB-C power bank via this adapter cable
- LED Driver Power: Connect a USB-C power source to a 12V LED driver or LED strip controller with a 5521 barrel input
- Lab & Bench Use: Use a USB-C PD power supply as a variable-voltage bench supply for 5521 barrel-powered devices by selecting the appropriate PD voltage profile
- Travel Power Adapter: Reduce the number of power adapters needed when travelling by powering multiple 5521 barrel-input devices from a single USB-C PD charger
FAQ
Q: Does this cable support USB-C Power Delivery (PD) for 9V or 12V output?
A: This is a passive adapter cable — it passes through whatever voltage the USB-C source provides. For 9V or 12V output, the USB-C source must support PD and a PD trigger module must be used to negotiate the correct voltage. Without a PD trigger, the USB-C source will default to 5V.
Q: What is the polarity of the 5.5×2.1mm connector?
A: Centre positive (+ on centre pin, − on outer sleeve), which is the standard polarity for most DC-powered electronics. Verify your device’s polarity requirement before connecting.
Package Contents
- 1 × DC Type-C female to 5.5×2.1mm female adapter cable
