# ESD5V0D3BQ

**Yangzhou Yangjie Elec Tech** · ESD And Surge Protection (TVS/ESD) · SOD-323

ESD5V0D3BQ from Yangzhou Yangjie Elec Tech, 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 | Yangzhou Yangjie Elec Tech |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak pulse power (tp = 8/20μs) | Ppk |  |  | 400 | W | tp = 8/20μs | 2 |
| ESD according to IEC61000-4-2 air discharge | VESD | -30 |  | 30 | kV | IEC61000-4-2 air discharge | 2 |
| ESD according to IEC61000-4-2 contact discharge | VESD | -30 |  | 30 | kV | IEC61000-4-2 contact discharge | 2 |
| Junction temperature | TJ | -55 |  | 150 | ℃ |  | 2 |
| Storage temperature | TSTG | -55 |  | 150 | ℃ |  | 2 |
| Reverse Standoff Voltage | VRWM |  |  | 5 | V | IR≤1μA | 2 |
| Reverse breakdown voltage | VBR | 6 |  |  | V | IBR = 1mA | 2 |
| Reverse leakage current | IR |  |  | 1 | μA | VRWM = 5V | 2 |
| Clamping voltage | VCL |  |  | 10 | V | IPP = 1A, tp = 8/20μs | 2 |
| Clamping voltage | VCL |  |  | 14.5 | V | IPP = 10A, tp = 8/20μs | 2 |
| Clamping voltage | VCL |  |  | 17 | V | IPP = 24A, tp = 8/20μs | 2 |
| Peak Pulse Current | IPP |  |  | 24 | A | tp = 8/20μs | 2 |
| Junction capacitance | CJ |  | 50 | 100 | pF | VR = 0V, f = 1MHz | 2 |
| Dynamic resistance | RDYN |  | 0.11 |  | Ω | TLP, tp=100ns, I/O to Ground | 2 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing |  | black | 3. Body color: Black | 4 |
| contacts |  | tin | ● Lead Finish: Matte Tin ● Case Material: “Green” Molding Compound | 1 |

## CAD (KiCad official)

- Symbol: `ESD5V0D3BQ`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `esd5v0d3bq-etched.step` / `esd5v0d3bq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd5v0d3bq.step` / `esd5v0d3bq.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](docs/esd5v0d3bq-datasheet.pdf) (5 pp, sha256 `a9930d8ea9575458`, retrieved 2026-11-05, 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/esd5v0d3bq-datasheet.pdf)