# CM4016M00008T8188122

**JWT** · Crystals · SMD2520-4P

CM4016M00008T8188122 from JWT, 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 1 of the SMD2520 (2.5 x 2.0 x 0.55 mm) ceramic package, one of the two crystal connections. |
| 2 | GND | power_in | Marked GND in the Top View Crystal Connection drawing (lid/case ground) on the SMD2520 package. |
| 3 | XTAL2 | passive | Crystal terminal 3 of the SMD2520 (2.5 x 2.0 x 0.55 mm) ceramic package, the second crystal connection. |
| 4 | GND | power_in | Marked GND in the Top View Crystal Connection drawing (lid/case ground) on the SMD2520 package. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `CM4016M00008T8188122`
- Footprint: `Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm`
- 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files: `cm4016m00008t8188122-etched.step` / `cm4016m00008t8188122-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cm4016m00008t8188122.step` / `cm4016m00008t8188122.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [JWT datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040374274248704) (1 pp, sha256 `0b5251da036f0ced`, retrieved 2026-10-12, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/cm4016m00008t8188122-datasheet.pdf)