The Yihua 1502 USB power supply is a highly accurate constant current source with smooth voltage and current adjustment throughout the entire range.
It can operate in voltage or current stabilization modes, automatically switching with the option to set the load current limit at any point within the range.
The power supply is capable of powering USB devices.

The device features a 3½-digit LED display allowing direct and simultaneous readings of output voltage and load current.
It is characterized by its compact size, reliability, and modern design.
It has very good short-circuit protection.
It is an ideal DC power source for scientific laboratories, schools, universities, factories, and industrial plants, as well as for electronic device services and hobby applications.


Specifications

• Input Power: 220V AC ± 10%, 50/60 Hz
• Operating Environment: -10 ÷ 40 °C, RH < 90%
• Storage Environment: -20 ÷ 40 °C, RH < 80%

Voltage Stabilization

• Voltage Stabilization Coefficient: 0.01% + 2mV
• Load Stabilization Coefficient: ≤ 0.01% + 2mV (1mA < 1A)
• Ripple and Noise: ≤ 0.5mVrms (5Hz-1MHz)
• Temperature Coefficient: ≤ 300PPM / ℃

Current Stabilization

• Current Stabilization Coefficient: ≤ 0.1% + 3mA
• Load Stabilization Coefficient: ≤ 0.2% + 3mA
• Ripple and Noise: ≤ 2 mArms (RMS value)

Dimensions

• Width: 128 mm
• Length: 98 mm
• Height: 155 mm

Included in the Package

• Yihua 1502 USB Power Supply
• Power Supply Cables
• Power Cable
• Manual