# AH49EZ3-G1

**Diodes Incorporated** · Linear Hall Sensors · TO-92S

AH49EZ3-G1 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 | VCC | power_in | Supply voltage pin, with a recommended range of 3.0 V to 6.5 V and an absolute maximum of 8 V. |
| 2 | GND | power_in | Ground pin for the device. |
| 3 | OUT | output | Linear output voltage, with a quiescent level of 2.5 V typical at B=0 GS (VCC=5 V) and an absolute maximum output current of 10 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | TO-92S |
| Category | Magnetic 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 (recommended operating) | VCC | 3 |  | 6.5 | V |  | 4 |
| Operating Temperature (recommended operating) | TOP | -40 |  | 85 | oC |  | 4 |
| Supply Voltage (absolute maximum) | VCC |  |  | 8 | V |  | 4 |
| Output Current (absolute maximum) | IO |  |  | 10 | mA |  | 4 |
| Operating Temperature (absolute maximum) | TA | -40 |  | 100 | oC |  | 4 |
| Storage Temperature Range | TSTG | -50 |  | 150 | oC |  | 4 |
| ESD (Human Body Model) |  |  |  | 3000 | V | Human Body Model | 4 |
| Quiescent Output Voltage | VNULL | 2.25 | 2.5 | 2.75 | V | @ B=0GS, VCC=5V, TA=25oC | 5 |
| Output Voltage Sensitivity |  | 1.1 | 1.6 | 2.1 | mV/GS | B=0GS to ±1000GS, VCC=5V, TA=25oC | 5 |
| Supply Current | ICC |  | 3.5 | 4.5 | mA | VCC=5V, TA=25oC | 5 |
| Output Resistor | RO | 60 |  | 120 | Ω | VCC=5V, TA=25oC | 5 |
| Magnetic Field Range | B | 650 |  | 1000 | GS | Printed as ±650 and ±1000 GS; VCC=5V, TA=25oC | 5 |
| Linearity of Span |  |  |  | 0.7 | % | VCC=5V, TA=25oC | 5 |
| Output Noise |  |  | 90 |  | µV | BW=10Hz to 10kHz, VCC=5V, TA=25oC | 5 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | Abs |  | ESD (Human Body Model) 3000 V Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the | 4 |

## CAD (KiCad official)

- Symbol: `AH49EZ3-G1`
- Footprint: `Package_TO_SOT_THT:TO-92_Inline`
- 3D model: TO-92S (KiCad packages3D, STEP)
- 3D model files: `ah49ez3-g1-etched.step` / `ah49ez3-g1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ah49ez3-g1.step` / `ah49ez3-g1.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Diodes Incorporated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589903898673909760) (10 pp, sha256 `e911935720d7af30`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).

[Datasheet PDF](docs/ah49ez3-g1-datasheet.pdf)