# PESD1LIN-ES

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

PESD1LIN-ES from ElecSuper, 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 | IO1 | passive | Connect to IO; bi-directional TVS line, 15.0 V reverse stand-off (VRWM) pin1 to pin2, 16.5 V min breakdown at 1 mA, and 12.0 A max 8/20us peak pulse current pin1 to 2. |
| 2 | IO2 | passive | Connect to IO; bi-directional TVS line, 24.0 V reverse stand-off (VRWM) pin2 to pin1, 26.0 V min breakdown at 1 mA, and 8.0 A max 8/20us peak pulse current pin2 to 1. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ElecSuper |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Stand-off Voltage Pin1 to Pin2 | VRWM |  |  | 15 | V | Pin1 to Pin2 | 3 |
| Reverse Stand-off Voltage Pin2 to Pin1 | VRWM |  |  | 24 | V | Pin2 to Pin1 | 3 |
| Reverse Breakdown Voltage Pin1 to Pin2 | VBR | 16.5 |  |  | V | IT=1mA, Pin1 to Pin2 | 3 |
| Reverse Breakdown Voltage Pin2 to Pin1 | VBR | 26 |  |  | V | IT=1mA, Pin2 to Pin1 | 3 |
| Reverse Leakage Current | IR |  |  | 1 | uA | VRWM=15V | 3 |
| Clamping Voltage | VC |  | 20 | 22 | V | IPP=1A; Pin1 to 2; tp=8/20us | 3 |
| Clamping Voltage | VC |  | 26 | 28 | V | IPP=12A; Pin1 to 2; tp=8/20us | 3 |
| Clamping Voltage | VC |  | 32 | 35 | V | IPP=1A; Pin2 to 1; tp=8/20us | 3 |
| Clamping Voltage | VC |  | 45 | 48 | V | IPP=8A; Pin2 to 1; tp=8/20us | 3 |
| Junction Capacitance | CJ |  | 28 | 35 | pF | I/O to I/O; VR=0V; f=1MHz | 3 |
| Peak pulse power | Ppk |  |  | 450 | W | tp=8/20us @25℃ | 2 |
| Peak pulse current pin1 to 2 | IPP |  |  | 12 | A | tp=8/20us, pin1 to 2 @25℃ | 2 |
| Peak pulse current pin2 to 1 | IPP |  |  | 8 | A | tp=8/20us, pin2 to 1 @25℃ | 2 |
| ESD air discharge | VESD | -30 |  | 30 | kV | IEC61000-4-2 air discharge @25℃ | 2 |
| ESD contact discharge | VESD | -30 |  | 30 | kV | IEC61000-4-2 contact discharge @25℃ | 2 |
| Junction temperature | TJ |  |  | 150 | ℃ |  | 2 |
| Operating temperature | TOP | -40 |  | 125 | ℃ |  | 2 |
| Storage temperature | TSTG | -55 |  | 150 | ℃ |  | 2 |
| Lead temperature | TL |  |  | 260 | ℃ |  | 2 |

## CAD (KiCad official)

- Symbol: `PESD1LIN-ES`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `pesd1lin-es-etched.step` / `pesd1lin-es-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesd1lin-es.step` / `pesd1lin-es.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ElecSuper datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8608746450247565312) (6 pp, sha256 `ebecafca2b03d672`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/pesd1lin-es-datasheet.pdf)