# CDSOD323-T05L

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

CDSOD323-T05L from BOURNS, 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 | K | passive | Cathode (marked by the polarity band on unidirectional devices); positive potential is applied from pin 1 to pin 2, with 5.0 V working peak voltage and 6.0 V min breakdown at 1 mA. |
| 2 | A | passive | Anode of the unidirectional TVS diode, the opposite terminal from the cathode band, used for ESD protection of one line up to ±30 kV. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | BOURNS |
| 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 |
|---|---|---|---|---|---|---|---|
| Min. Breakdown Voltage | VBR | 6 |  |  | V | @ 1 mA | 1 |
| Maximum Clamping Voltage | VC |  |  | 9.8 | V | @ IP = 1 A | 1 |
| Maximum Leakage Current | ID |  |  | 5 | µA | @ VWM | 1 |
| Working Peak Voltage | VM |  |  | 5 | V |  | 1 |
| Peak Pulse Power | PPP |  |  | 350 | W | tp = 8/20 µs | 1 |
| Operating Temperature | TL | -55 |  | 150 | ºC |  | 1 |
| Storage Temperature | TSTG | -55 |  | 150 | ºC |  | 1 |
| ESD Protection, Contact - Min. level | ESD | -8 |  | 8 | kV | per IEC 61000-4-2, contact | 1 |
| ESD Protection, Contact - Max. level | ESD | -30 |  | 30 | kV | per IEC 61000-4-2, contact | 1 |
| ESD Protection, Air - Min. level | ESD | -15 |  | 15 | kV | per IEC 61000-4-2, air | 1 |
| ESD Protection, Air - Max. level | ESD | -30 |  | 30 | kV | per IEC 61000-4-2, air | 1 |

## 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 | This is a molded JEDEC SOD-323 package with lead free 100 % Sn plating on the terminations. It weighs approximately 30 mg and | 3 |

## CAD (KiCad official)

- Symbol: `CDSOD323-T05L`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `cdsod323-t05l-etched.step` / `cdsod323-t05l-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cdsod323-t05l.step` / `cdsod323-t05l.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [BOURNS datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939134933483521) (5 pp, sha256 `1c1ce5713afedb41`, retrieved 2026-10-22, 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/cdsod323-t05l-datasheet.pdf)