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| Parameter Category | Item | Specification Details |
|---|---|---|
| Basic Information | Product Model | A031 |
| Basic Information | Product Name | OH34N Hall Sensor MINI Version (Round with Fixing Holes) |
| Basic Information | Module Type | Unipolar Hall Effect Sensor Module |
| Basic Information | Core Application | Motor speed detection, position detection, closed-loop speed control |
| Basic Information | Bare Board Weight | 1.3g |
| Mechanical Dimension | PCB Outline | Round shape, diameter 16.00mm, overall height 14.00mm (including fixing slots) |
| Electrical Parameters | Operating Voltage | 3.3V~5V, compatible with voltage levels of all series MCUs |
| Electrical Parameters | Typical Operating Current | Approx. 3mA |
| Electrical Parameters | Output Type | Open collector output, an external pull-up resistor is mandatory for operation |
| Electrical Parameters | Trigger Magnetic Field | Typical ±300Gs, triggered when N pole approaches the sensor |
| Electrical Parameters | Max Response Frequency | 10kHz, meets high-speed speed measurement requirements of micro motors |
| Interface Pins | Interface Specification | 3Pin anti-reverse socket, pin definition: G/V/S |
| Interface Pins | Pin Definition | G=GND power ground; V=VCC positive power supply; S=OUT signal output |
| Status Indication | Onboard Indicators | Dual LEDs: PWR power indicator, OUT output status indicator |
| Mechanical Structure | Mounting Method | Round PCB with 2 positioning slots, fits mounting positions at motor tail |
| Onboard Circuit | Component Composition | OH34N Hall chip + SMD LEDs + RC filter circuit |
| Packaging Solutions | Optional Packaging | ① Anti-static bag soft package ② White cardboard hanging hole box ③ Kraft paper box |
