A3144 Hall Effect Switch Sensor

Package Included - 1 x A3144 Hall Effect Switch Sensor Description ## Electrical - Supply voltage: typically 4.5 V to 24 V - Supply current: around 3.5 mA at 5 V - Output: open‑collector NPN, sinking up to about 20–25 mA ## Magnetic behavior - Type: unipolar, non‑latching Hall-effect switch. ## Package / pinout - Package: 3‑pin TO‑92 / SIP3. - Typical pins (flat face toward you): VCC – GND – OUT (check datasheet to confirm).