# ESDBE12VD1

**Changjing** · Electrostatic And Surge Protection (TVS/ESD) · SOD-123FL

ESDBE12VD1 from Changjing, in a SOD-123FL. 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOD-123FL |
| Category | TVS/Fuse/Board Level 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 |
|---|---|---|---|---|---|---|---|
| ESD Voltage Air Model (IEC 61000-4-2) | VESD(1) | -30 |  | 30 | kV | Air discharge, IEC 61000-4-2; ten non-repetitive ESD pulses | 2 |
| ESD Voltage Contact Model (IEC 61000-4-2) | VESD(1) | -30 |  | 30 | kV | Contact discharge, IEC 61000-4-2; ten non-repetitive ESD pulses | 2 |
| ESD Voltage Per Human Body Model |  | -20 |  | 20 |  | JESD22-A114-B | 2 |
| ESD Voltage Machine Model |  | -0.4 |  | 0.4 |  |  | 2 |
| Peak Pulse Power | PPP(2) |  |  | 6000 | W | Non-repetitive current pulse 8/20µs exponential decay per IEC61000-4-5 | 2 |
| Peak Pulse Current | IPP(2) |  |  | 200 | A | Non-repetitive current pulse 8/20µs exponential decay per IEC61000-4-5 | 2 |
| Lead Solder Temperature - Maximum | TL |  |  | 260 | ℃ | 10 second duration | 2 |
| Operation Junction and Storage Temperature Range | TJ,Tstg | -55 |  | 150 | ℃ |  | 2 |
| Breakdown voltage | V(BR) | 13.3 |  |  | V | IT=1mA | 3 |
| Reverse leakage current | IR |  |  | 3 | μA | VRWM=12V | 3 |
| Reverse stand off voltage | VRWM |  | 12 |  | V |  | 3 |
| Junction capacitance | CJ |  | 480 |  | pF | VR=0V, f=1MHz | 3 |

## CAD (KiCad official)

- Symbol: `ESDBE12VD1`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `esdbe12vd1-etched.step` / `esdbe12vd1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esdbe12vd1.step` / `esdbe12vd1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Changjing datasheet](docs/esdbe12vd1-datasheet.pdf) (5 pp, sha256 `0dad7416d695a52b`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band 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/esdbe12vd1-datasheet.pdf)