# PESDLC9D5VB

**Shanghai Prisemi Elec** · ESD And Surge Protection (TVS/ESD) · SOD-923

PESDLC9D5VB from Shanghai Prisemi Elec, in a SOD-923. 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 | Shanghai Prisemi Elec |
| Package | SOD-923 |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage | VBR | 5.6 | 6.7 | 7.8 | V | IT = 1mA | 2 |
| Peak Reverse Working Voltage | VRWM |  |  | 5 | V |  | 2 |
| Reverse Leakage Current | IR |  |  | 1 | μA | VRWM = 5V T=25℃ | 2 |
| Clamping Voltage | VC |  | 7 | 7.5 | V | IPP=0.5A, tp=8/20μS | 2 |
| Clamping Voltage | VC |  | 7.5 | 9 | V | IPP=1.5A, tp=8/20μS | 2 |
| Junction Capacitance | CJ |  | 3.5 |  | pF | VR=0V f = 1MHz | 2 |
| Peak Pulse Power | Ppp |  |  | 15 | W | tp=8/20μs | 2 |
| Lead Soldering Temperature | TL |  |  | 260 | ℃ | 10 sec | 2 |
| Operating Temperature | TJ | -55 |  | 150 | ℃ |  | 2 |
| Storage Temperature | TSTG | -55 |  | 150 | ℃ |  | 2 |
| ESD Protection-Contact Discharge | VESD | -6 |  | 6 | kV | Contact discharge | 2 |
| ESD Protection-Air Discharge | VESD | -8 |  | 8 | kV | Air discharge | 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 |
|---|---|---|---|---|
| contacts |  | tin |  Lead finish:100% matte Sn(Tin)  Mounting position: Any | 1 |

## CAD (KiCad official)

- Symbol: `PESDLC9D5VB`
- Footprint: `Diode_SMD:D_SOD-923`
- 3D model: SOD-923 (KiCad packages3D, STEP)
- 3D model files: `pesdlc9d5vb-etched.step` / `pesdlc9d5vb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesdlc9d5vb.step` / `pesdlc9d5vb.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shanghai Prisemi Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590197674239959040) (5 pp, sha256 `353e00e54e814cb7`, retrieved 2026-10-16, 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/pesdlc9d5vb-datasheet.pdf)