# 8Z16000002

**TXC Corp** · Crystals · SMD2520-4P

8Z16000002 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 of the 2.5 x 2.0 x 0.55 mm 8Z resonator, connected to one side of the quartz element (12~66 MHz fundamental, 8/10/12 pF load capacitance). |
| 2 | GND | power_in | Ground terminal marked GND in the connection diagram, to be connected to circuit ground. |
| 3 | XTAL2 | passive | Crystal terminal 2 of the 8Z resonator, connected to the opposite side of the quartz element (drive level 1~200 µW max, 100 µW typical). |
| 4 | GND | power_in | Ground terminal marked GND in the connection diagram, to be connected to circuit ground. |

## 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 |
|---|---|---|---|---|---|---|---|
| Equivalent Series Resistance (ESR), 12 ~ 13 MHz | ESR |  |  | 150 | Ω | Fundamental, 12 ~ 13 MHz band; printed as 150 Ω Max. | 1 |
| Equivalent Series Resistance (ESR), 14 ~ 30 MHz | ESR |  |  | 100 | Ω | Fundamental, 14 ~ 30 MHz band; printed as 100 Ω Max. | 1 |
| Equivalent Series Resistance (ESR), 30 ~ 66 MHz | ESR |  |  | 60 | Ω | Fundamental, 30 ~ 66 MHz band; printed as 60 Ω Max. | 1 |
| Frequency Range |  | 12 |  | 66 | MHz | Fundamental, 8Z series; printed as 12 ~ 66 MHz | 1 |
| Frequency Tolerance (at 25 ℃), ±10 ppm option |  | -10 |  | 10 | ppm | At 25 ℃; printed option '± 10 ppm, ± 30 ppm, or specify'; MPN tolerance code not decodable from datasheet text | 1 |
| Frequency Tolerance (at 25 ℃), ±30 ppm option |  | -30 |  | 30 | ppm | At 25 ℃; printed option '± 10 ppm, ± 30 ppm, or specify'; MPN tolerance code not decodable from datasheet text | 1 |
| Frequency Stability Over Operating Temperature Range, ±10 ppm option |  | -10 |  | 10 | ppm | Over operating temperature range; printed option '± 10 ppm, ± 30 ppm, or specify'; MPN tolerance code not decodable from datasheet text | 1 |
| Frequency Stability Over Operating Temperature Range, ±30 ppm option |  | -30 |  | 30 | ppm | Over operating temperature range; printed option '± 10 ppm, ± 30 ppm, or specify'; MPN tolerance code not decodable from datasheet text | 1 |
| Aging |  | -3 |  | 3 | ppm / year | At 25 ℃; printed as ± 3 ppm / year Max. | 1 |
| Shunt Capacitance (C0) | C0 |  |  | 3 | pF | Printed as 3 pF Max. | 1 |
| Drive Level |  |  | 100 | 200 | μW | Printed as 1 ~200 μW Max. (100 μW typical) | 1 |
| Operating Temperature Range |  | -10 |  | 70 | ℃ | Printed as -10 ~ +70 ℃, or specify | 1 |
| Storage Temperature Range |  | -40 |  | 85 | ℃ | Printed as - 40 ~ + 85 ℃ | 1 |

## CAD (KiCad official)

- Symbol: `8Z16000002`
- Footprint: `Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm`
- 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files: `8z16000002-etched.step` / `8z16000002-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `8z16000002.step` / `8z16000002.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TXC Corp datasheet](docs/8z16000002-datasheet.pdf) (1 pp, sha256 `4f2226fcac8b391c`, retrieved 2026-10-28, 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/8z16000002-datasheet.pdf)