# 0603ESDA-AEC1

**EATON** · ESD And Surge Protection (TVS/ESD) · 0603

0603ESDA-AEC1 from EATON, in a 0603. 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 | EATON |
| Package | 0603 |
| 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 |
|---|---|---|---|---|---|---|---|
| Rated voltage (Vdc) maximum |  |  |  | 30 | V |  | 2 |
| Capacitance @ 1 MHz maximum |  |  |  | 0.15 | pF | @ 1 MHz | 2 |
| Leakage current @ 12 Vdc typical |  |  |  | 1 | nA | @ 12 Vdc | 2 |
| ESD pulse withstand typical |  | 1000 |  |  |  |  | 2 |
| Capacitance @ 1 MHz typical |  |  | 0.05 |  | pF | @ 1 MHz | 2 |
| Clamping voltage typical |  |  | 35 |  | V | IEC61000-4-2 Level 4 waveform (8 kV direct, 30 A), measured 30 ns after initial pulse | 2 |
| Trigger voltage typical |  |  | 300 |  | V | Transmission line pulse (TLP) method | 2 |
| Attenuation change (0-6 GHz) typical |  |  | -0.2 |  | dB | 0-6 GHz | 2 |
| ESD capability IEC61000-4-2 direct discharge typical |  |  | 8 |  | kV | IEC61000-4-2 direct discharge | 2 |
| ESD capability IEC61000-4-2 air discharge typical |  |  | 15 |  | kV | IEC61000-4-2 air discharge | 2 |
| Operating temperature |  | -55 |  | 125 | °C |  | 2 |

## CAD (KiCad official)

- Symbol: `0603ESDA-AEC1`
- Footprint: `Diode_SMD:D_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `0603esda-aec1-etched.step` / `0603esda-aec1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `0603esda-aec1.step` / `0603esda-aec1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [EATON datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600598998000545792) (4 pp, sha256 `4c30f5897b633b97`, retrieved 2026-10-20, 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/0603esda-aec1-datasheet.pdf)