# K383276812520

**KYX** · Crystals · DT-38

K383276812520 from KYX, in a DT-38. 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 a two-terminal crystal; either orientation. |
| 2 | 2 | passive | Terminal 2 of a two-terminal crystal; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KYX |
| Package | DT-38 |
| Category | Crystals/Oscillators/Resonators |
| 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 |
|---|---|---|---|---|---|---|---|
| Frequency tolerance (adjustment) |  | -20 |  | 20 | ppm | at 20±2℃ | 3 |
| Frequency tolerance over temperature |  | -20 |  | 20 | ppm |  | 3 |
| Aging |  | -5 |  | 5 | ppm/year |  | 3 |
| Resonance resistance | ESR |  |  | 30 | kΩ |  | 3 |
| Static capacitance | C0 |  |  | 7 | pF |  | 3 |
| Insulation resistance |  | 500 |  |  | MΩ | DC100±15V | 3 |
| Nominal frequency | f |  | 32.768 |  | KHz | fundamental mode | 3 |
| Load capacitance | CL |  | 12.5 |  | pF |  | 3 |
| Drive level |  |  | 10 |  | μW |  | 3 |

## CAD (KiCad official)

- Symbol: `K383276812520`
- Footprint: `Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Vertical`
- 3D model: DT-38 (KiCad packages3D, STEP)
- 3D model files: `k383276812520-etched.step` / `k383276812520-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `k383276812520.step` / `k383276812520.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KYX datasheet](docs/k383276812520-datasheet.pdf) (4 pp, sha256 ``, retrieved 2026-10-22, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `crystal numbering` (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/k383276812520-datasheet.pdf)