# CG0402MLE-18G

**BOURNS** · Varistors · 0402

CG0402MLE-18G from BOURNS, in a 0402. 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 resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | BOURNS |
| Package | 0402 |
| 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 |
|---|---|---|---|---|---|---|---|
| Capacitance | CP |  |  | 9 | pF | 1 Vrms @ 1 MHz | 1 |
| Continuous operating voltage (Vrms) | Vrms |  |  | 8.5 | V | Continuous operating voltage; column not labelled Max/Typ in extracted text | 1 |
| Continuous operating voltage (VDC) | VDC |  |  | 12 | V | Continuous operating voltage; column not labelled Max/Typ in extracted text | 1 |
| Clamping voltage | VCLAMP |  |  | 18 | V | 1 A @ 8/20 μs | 1 |
| Peak surge current 8/20 μs |  |  |  | 15 | A | 8/20 μs pulse, peak current (Max.) | 1 |
| Peak surge current @ 8 kV |  |  |  | 30 | A | IEC 61000-4-2 @ 8 kV, peak current (Max.) | 1 |
| Response time |  |  |  | 1 | ns | Printed as <1 ns | 1 |
| Operating temperature |  | -55 |  | 125 | °C |  | 1 |
| Storage temperature |  | -55 |  | 125 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `CG0402MLE-18G`
- Footprint: `Resistor_SMD:R_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `cg0402mle-18g-etched.step` / `cg0402mle-18g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cg0402mle-18g.step` / `cg0402mle-18g.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/8590442858643173376) (4 pp, sha256 `2f4ced418feb6632`, retrieved 2026-10-19, 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/cg0402mle-18g-datasheet.pdf)