# SL252026M9P

**Slkor(SLKORMICRO Elec.)** · Crystals · SMD2520-4P

SL252026M9P 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 through the resonator to pad 3 per the Terminal Land Connection drawing; marked by the dot/chamfered pad, for 26.000 MHz with CL 9 pF. |
| 2 | NC | unconnected | Land pad with no internal connection shown in the Terminal Land Connection drawing. |
| 3 | XTAL2 | passive | Crystal terminal connected through the resonator to pad 1 per the Terminal Land Connection drawing, for 26.000 MHz with CL 9 pF. |
| 4 | NC | unconnected | Land pad with no internal connection shown in the Terminal Land Connection drawing. |

## 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 |
|---|---|---|---|---|---|---|---|
| Frequency tolerance (normal temperature) | ΔF/F | -10 |  | 10 | ppm | 常温偏差 (25±2℃) | 1 |
| Frequency temperature stability | ΔF/F | -20 |  | 20 | ppm | 温度频差 | 1 |
| Operating temperature range | TOPR | -40 |  | 85 | ℃ |  | 1 |
| Storage temperature range | TSTR | -40 |  | 85 | ℃ |  | 1 |
| Static capacitance | C0 |  |  | 3 | pf |  | 1 |
| Equivalent resistance | Rr |  |  | 40 | Ω |  | 1 |
| Drive level | DL |  |  | 100 | uW |  | 2 |
| Insulation resistance | IR | 500 |  |  | MΩ | DC 100V | 2 |
| Aging | Fag | -3 |  | 3 | ppm | 1st year | 2 |
| Output frequency | FL |  | 26 |  | MHz | AT cut, fundamental | 1 |
| Load capacitance | CL |  | 9 |  | pf |  | 1 |

## CAD (KiCad official)

- Symbol: `SL252026M9P`
- Footprint: `Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm`
- 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files: `sl252026m9p-etched.step` / `sl252026m9p-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sl252026m9p.step` / `sl252026m9p.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Slkor(SLKORMICRO Elec.) datasheet](docs/sl252026m9p-datasheet.pdf) (5 pp, sha256 `395cc1d63cb7452b`, 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 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/sl252026m9p-datasheet.pdf)