# SL252012M20P

**Slkor SLKORMICRO Elec** · Crystals · SMD2520-4P

SL252012M20P from Slkor SLKORMICRO Elec, 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 connected to one side of the 12.000 MHz resonator (pin-1 corner with chamfered pad, marked by the dot), 20 pF load, drive level ≤100 uW. |
| 2 | NC | unconnected | Terminal land shown in the connection drawing with no connection to the resonator element. |
| 3 | XTAL2 | passive | Crystal terminal connected to the other side of the 12.000 MHz resonator, diagonally opposite pin 1, 20 pF load, drive level ≤100 uW. |
| 4 | NC | unconnected | Terminal land shown in the connection drawing with no connection to the resonator element. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Slkor SLKORMICRO Elec |
| 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 |
|---|---|---|---|---|---|---|---|
| 频率公差 (frequency tolerance at normal temperature) | △F/F | -10 |  | 10 | ppm | 常温偏差 | 1 |
| 频率温度特性 (frequency-temperature characteristic) | △F/F | -20 |  | 20 | ppm | 温度频差 | 1 |
| 工作温度范围 (operating temperature range) | TOPR | -40 |  | 85 | ℃ |  | 1 |
| 储存温度范围 (storage temperature range) | TSTR | -40 |  | 85 | ℃ |  | 1 |
| 静态电容 (shunt capacitance) | C0 |  |  | 3 | pf |  | 1 |
| 等效电阻 (equivalent resistance) | Rr |  |  | 60 | Ω |  | 1 |
| 驱动电平 (drive level) | DL |  |  | 100 | uW |  | 2 |
| 绝缘电阻 (insulation resistance) | IR | 500 |  |  | MΩ | DC 100V | 2 |
| 年老化 (aging, first year) | Fag | -3 |  | 3 | ppm | 1st year | 2 |
| 负载电容 (load capacitance) | CL |  | 20 |  | pf |  | 1 |
| 输出频率 (output frequency) | FL |  | 12 |  | MHz |  | 1 |

## CAD (KiCad official)

- Symbol: `SL252012M20P`
- Footprint: `Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm`
- 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files: `sl252012m20p-etched.step` / `sl252012m20p-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sl252012m20p.step` / `sl252012m20p.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Slkor SLKORMICRO Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603055989239398400) (5 pp, sha256 `1125a7bd08e160f4`, 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/sl252012m20p-datasheet.pdf)