Hall Tech ACS712 Current Sensors

Characteristic Value

Available ranges ±5A, ±20A, ±30A

Output type: Proportional analog voltage

Typical sensitivity: 185 mV/A (5A), 100 mV/A (20A), 66 mV/A (30A)

Supply voltage: 5V

Output voltage at 0A: Approximately 2.5V

Galvanic isolation: Yes

Accuracy: Medium

Noise: Relatively high

Temperature range: -40°C to +85°C

Typical use: Arduino, small projects, low to medium current