component
AH9251-P-B
Public Made by Adomby adom
Diodes Incorporated Hall Sensor, TO-92S. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownAH9251-P-B
Diodes Incorporated · Hall Sensor · TO-92S
AH9251-P-B from Diodes Incorporated, in a TO-92S. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VDD | power_in | Power supply pin, operating range 2.5V to 5.5V (absolute maximum 7V transient). |
| 2 | GND | power_in | Ground pin. |
| 3 | OUTPUT | output | Output pin with built-in 100k pull-up resistor to VDD; goes low when |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | TO-92S |
| Category | Sensors |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply Voltage (absolute max) | VDD | 7 | V | TA = +25°C | 3 | ||
| Supply Current (Fault) | IDD | 6 | mA | TA = +25°C | 3 | ||
| Output Voltage (absolute max) | VOUT | 7 | V | TA = +25°C | 3 | ||
| Output Current (absolute max) | IOUT | 2 | mA | TA = +25°C | 3 | ||
| Power Dissipation TO92S | PD | 230 | mW | TA = +25°C | 3 | ||
| Storage Temperature | TSTG | -55 | 150 | C | 3 | ||
| Junction Temperature | TJ | 150 | C | 3 | |||
| ESD Human Body Model | 5000 | V | 3 | ||||
| ESD Machine Model | 400 | V | 3 | ||||
| Supply Voltage (operating) | VDD | 2.5 | 5.5 | V | Operating | 3 | |
| Operating Temperature Range | TA | -40 | 85 | °C | Operating | 3 | |
| Supply Voltage | VDD | 2.5 | 3 | 5.5 | V | Operating | 3 |
| Supply Current During Awake Period | IDD_AW | 1.8 | 3 | mA | TA = -40 to +85C, VDD = 2.5V to 5.5V | 3 | |
| Supply Current During Sleep Period | IDD_SL | 4 | 10 | µA | TA = -40 to +85C, VDD = 2.5V to 5.5V | 3 | |
| Average Supply Current | IDD_AVG | 8 | 15 | µA | TA = -40 to +85C, VDD = 2.5V to 5.5V | 3 | |
| Output Current | IOUT | 1 | mA | 3 | |||
| Output Leakage Current | IOFF | 0.1 | 1 | µA | VOUT = 5.5V, Output off | 3 | |
| Output Saturation Voltage | VOUT (SAT) | 0.4 | V | IOUT = 1.0mA, Output on | 3 | ||
| Operating Point South | BOPS | 40 | 60 | 80 | Gauss | B>BOPS,VOUT=Low (output on) | 4 |
| Operating Point North | BOPN | -80 | -60 | -40 | Gauss | B>BOPN,VOUT=Low (output on) | 4 |
| Releasing Point South | BRPS | 30 | 50 | 70 | Gauss | B<BRPS,VOUT=High (output off) | 4 |
| Releasing Point North | BRPN | -70 | -50 | -30 | Gauss | B<BRPN,VOUT=High (output off) | 4 |
| Awake Mode Time | tAW | 150 | µs | Operating | 3 | ||
| Sleep Mode Time | tSL | 100 | ms | Operating | 3 | ||
| Duty Cycle | D | 0.15 | % | 3 | |||
| Chopper Frequency | fC | 15 | kHz | 3 | |||
| Hysteresis | BHYS | 10 | Gauss | /BOPX - BRPX/ | 4 |
CAD (KiCad official)
- Symbol:
AH9251-P-B - Footprint:
Package_TO_SOT_THT:TO-92_Inline - 3D model: TO-92S (KiCad packages3D, STEP)
- 3D model files:
ah9251-p-b-etched.step/ah9251-p-b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ah9251-p-b.step/ah9251-p-b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (10 pp, sha256
49f7f6ab7057ed94, retrieved 2026-10-24, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).