# 1808YA250102KJTSYS

**Knowles** · Multilayer Ceramic Capacitors MLCC - SMD/SMT · 1808

1808YA250102KJTSYS from Knowles, in a 1808. 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 capacitor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised capacitor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Knowles |
| Package | 1808 |
| Category | Capacitors |
| Pins | 2 |

## Electrical characteristics

Limits from the LCSC catalog entry for this part (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Capacitance |  |  | 1 |  | nF | nominal, catalog attribute (LCSC C5454487) | catalog |
| Tolerance |  | -10 |  | 10 | % | catalog attribute (LCSC C5454487) | catalog |

## CAD (KiCad official)

- Symbol: `1808YA250102KJTSYS`
- Footprint: `Capacitor_SMD:C_1808_4520Metric`
- 3D model: 1808 (KiCad packages3D, STEP)
- 3D model files: `1808ya250102kjtsys-etched.step` / `1808ya250102kjtsys-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1808ya250102kjtsys.step` / `1808ya250102kjtsys.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Knowles datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603168091119767552) (13 pp, sha256 `75b9345a7993b400`, retrieved 2026-10-15, 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/1808ya250102kjtsys-datasheet.pdf)