# K2C320001610

**KYX** · Crystals · SMD2520-4P

K2C320001610 from KYX, in a SMD2520-4P. 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 | XTAL1 | passive | Crystal terminal for the 32.000 MHz resonator (16 pF load capacitance), interchangeable with pin 3. |
| 2 | GND | power_in | Connected to the cover (lid); the datasheet says to connect it to GND. |
| 3 | XTAL2 | passive | Crystal terminal for the 32.000 MHz resonator (16 pF load capacitance), interchangeable with pin 1. |
| 4 | GND | power_in | Connected to the cover (lid); the datasheet says to connect it to GND. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KYX |
| Package | SMD2520-4P |
| Category | Crystals, Oscillators, Resonators |
| Pins | 4 |

## 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 |  | -10 |  | 10 | ppm | at 25℃±3℃ | 2 |
| Frequency characteristics over temperature |  | -20 |  | 20 | ppm | -40℃～+85℃ | 2 |
| Aging |  | -3 |  | 3 | ppm/Year |  | 2 |
| Equivalent series resistance |  |  |  | 40 | Ω |  | 2 |
| Shunt capacitance |  |  |  | 3 | PF |  | 2 |
| Insulation resistance |  | 500 |  |  | MΩ | at 100 V | 2 |
| Storage temperature range |  | -40 |  | 85 | ℃ |  | 2 |
| Operating temperature range |  | -40 |  | 85 | ℃ |  | 2 |
| Frequency change after vibration | FL | -10 |  | 10 | ppm | after vibration test | 4 |
| Equivalent series resistance change after vibration | Rr | -10 |  | 10 | Ω | after vibration test | 4 |
| Frequency change after shock | FL | -10 |  | 10 | ppm | after shock test | 4 |
| Equivalent series resistance change after shock | Rr | -10 |  | 10 | Ω | after shock test | 4 |
| Nominal frequency |  |  | 32 |  | MHZ |  | 2 |
| Load capacitance (CL) | CL |  | 16 |  | PF |  | 2 |
| Drive level |  |  | 100 |  | μW |  | 2 |

## CAD (KiCad official)

- Symbol: `K2C320001610`
- Footprint: `Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm`
- 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files: `k2c320001610-etched.step` / `k2c320001610-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `k2c320001610.step` / `k2c320001610.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KYX datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603111098694311936) (5 pp, sha256 `600225458e34f22e`, retrieved 2026-10-15, 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 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/k2c320001610-datasheet.pdf)