# ESD5311N

**UMW** · ESD And Surge Protection (TVS/ESD) · DFN1006-2

ESD5311N from UMW, in a DFN1006-2. 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 | Pin1 | passive | Terminal 1 of the two-pin DFN1006-2 package, labeled Pin1 in the pinning diagram; the datasheet gives no separate function or limit for this pin. |
| 2 | Pin2 | passive | Terminal 2 of the two-pin DFN1006-2 package, labeled Pin2 in the pinning diagram; the datasheet gives no separate function or limit for this pin. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | UMW |
| Package | DFN1006-2 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `ESD5311N`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: DFN1006-2 (KiCad packages3D, STEP)
- 3D model files: `esd5311n-etched.step` / `esd5311n-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd5311n.step` / `esd5311n.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UMW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755876923967197184) (8 pp, sha256 `b55aa78bb0c3f2ac`, retrieved 2026-10-12, 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/esd5311n-datasheet.pdf)