# 8Z26000012

**TXC Corp** · Crystals · SMD2520-4P

8Z26000012 from TXC Corp, 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 (pin 1 location marked on the lid); connects to one side of the crystal blank, fundamental mode at 26.000000 MHz. |
| 2 | GND | power_in | Ground connection, shown as GND in the datasheet connection diagram. |
| 3 | XTAL2 | passive | Crystal terminal 2, the opposite side of the crystal blank from pin 1, for a load capacitance of 7 pF. |
| 4 | GND | power_in | Ground connection, shown as GND in the datasheet connection diagram. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TXC Corp |
| 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 ℃ | 4 |
| Frequency Stability |  | -10 |  | 10 | ppm | Over operating temp. range (reference 25℃) | 4 |
| Frequency Perturbation |  | -1 |  | 1 | ppm | -20℃~+75℃ | 3 |
| Insulation Resistance |  | 500 |  |  | MΩ | at DC 100V | 4 |
| Equivalent Series Resistance | ESR |  |  | 30 | Ω |  | 4 |
| Drive Level | DL |  |  | 100 | μW |  | 4 |
| Pulling Sensitivity tolerance |  | -15 |  | 15 | % |  | 4 |
| Operating Temperature |  | -20 |  | 75 | ℃ |  | 4 |
| Storage Temperature Range |  | -40 |  | 85 | ℃ |  | 4 |
| Nominal Frequency | FL |  | 26 |  | MHz | Fundamental mode, at 25 ℃ ± 3 ℃ | 4 |
| Load Capacitance | CL |  | 7 |  | pF |  | 4 |
| Pulling Sensitivity |  |  | 27.5 |  | ppm/pF |  | 4 |

## CAD (KiCad official)

- Symbol: `8Z26000012`
- Footprint: `Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm`
- 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files: `8z26000012-etched.step` / `8z26000012-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `8z26000012.step` / `8z26000012.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TXC Corp datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588937283935985664) (8 pp, sha256 `9c4bd71b5fb5ed8c`, retrieved 2026-10-14, tier: lcsc)
- **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/8z26000012-datasheet.pdf)