# ES3.3D1HA03

**GOODWORK** · ESD And Surge Protection (TVS/ESD) · SOD-323

ES3.3D1HA03 from GOODWORK, in a SOD-323. 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | GOODWORK |
| Package | SOD-323 |
| Category | Circuit Protection |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage | VBR | 3.4 |  | 5 | V | IT = 1mA | 2 |
| Reverse Leakage Current | IR |  |  | 0.5 | uA | VRWM = ±3.3V | 2 |
| Clamping Voltage | Vc |  |  | 12 | V | IPP = 25A (8 x 20µs pulse) | 2 |
| Junction Capacitance | Cj |  |  | 50 | pF | VR = 0V, f = 1MHz | 2 |
| Reverse Working Voltage | VRWM |  | 3.3 |  | V |  | 2 |
| Peak Pulse Power | Ppk |  |  | 350 | W | 8/20µs | 1 |
| Peak Pulse Current | IPP |  |  | 25 | A | 8/20µs | 1 |
| ESD per IEC 61000-4-2 (Air) | VESD | -30 |  | 30 | kV | Air | 1 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 |  | 30 | kV | Contact | 1 |
| Operating Temperature Range | TJ | -55 |  | 125 | °C |  | 1 |
| Storage Temperature Range | Tstg | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `ES3.3D1HA03`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `es3-3d1ha03-etched.step` / `es3-3d1ha03-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `es3-3d1ha03.step` / `es3-3d1ha03.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [GOODWORK datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757962909907324928) (5 pp, sha256 `962679bb1ea5619c`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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/es3-3d1ha03-datasheet.pdf)