Official Raspberry Pi 4 USB-C Power Supply - 15.3W - 5.1V 3A

Also check low cost unofficial power adapter for RPi4 with USB C 15W Output at 5V.  

The official Raspberry Pi USB-C power supply is designed to power the latest Raspberry Pi 4 Model B computers, which were released in June 2019. Featuring a captive USB-C cable output voltage at 5.1V and max current of 3 Amps.

Technical Specifications:

• Output voltage: +5.1V DC
• Minimum load current: 0A
• Nominal load current: 3.0A
• Maximum power: 15.3W
• Load regulation: ±5%
• Line regulation: ±2%
• Ripple & noise: 120mVp-p
• Rise time: 100ms maximum to regulation limits for DC outputs
• Turn-on delay: 3000ms maximum at nominal input AC voltage and full load
• Protection:
  • Short circuit protection
  • Overcurrent protection
  • Over temperature protection
• Efficiency: 81% minimum (output current from 100%, 75%, 50%, 25%) 72% minimum at 10% load
• Output cable: 1.5m 18AWG
• Output connector: USB Type-C
• Input
  • Voltage range: 100-240Vac (rated)
  • 96-264Vac (operating)
  • Frequency: 50/60Hz ±3Hz
  • Current: 0.5A maximum
• Power consumption (no load): 0.075W maximum
• Inrush current: No damage shall occur and the input fuse shall not blow

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