# 8Y40090004

**TXC Corp** · Crystals · SMD2016-4P

8Y40090004 from TXC Corp, in a SMD2016-4P. 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, connected to one side of the quartz resonator; load capacitance 6~20 pF. |
| 2 | GND | power_in | Ground pin, marked GND in the connection diagram (case ground). |
| 3 | XTAL2 | passive | Crystal terminal 2, connected to the other side of the quartz resonator; drive level 100 uW typ, 200 uW max. |
| 4 | GND | power_in | Ground pin, marked GND in the connection diagram (case ground). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TXC Corp |
| Package | SMD2016-4P |
| Category | Resonators/Oscillators |
| 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 @25℃±3℃ (16~60MHz) | FT | -10 |  | 10 | ppm | @25℃±3℃, 16~60MHz | 1 |
| Frequency Tolerance @25℃±3℃ (>60MHz) | FT | -15 |  | 15 | ppm | @25℃±3℃, >60MHz | 1 |
| Frequency Stability (over operating temp., ref. 25℃) | ST | -20 |  | 20 | ppm | @-40~85°C | 1 |
| Frequency Stability (over operating temp., ref. 25℃) | ST | -30 |  | 30 | ppm | @-40~105°C | 1 |
| Operating Temperature | Topr | -40 | 25 | 105 | °C |  | 1 |
| Load Capacitance | CL | 6 |  | 20 | pF |  | 1 |
| Drive Level | DL |  | 100 | 200 | uW |  | 1 |
| Equivalent Series Resistance | ESR |  |  | 100 | Ohm | 16~20MHz | 1 |
| Equivalent Series Resistance | ESR |  |  | 80 | Ohm | 20~60MHz | 1 |
| Equivalent Series Resistance | ESR |  |  | 30 | Ohm | 60~96MHz | 1 |
| Aging |  | -3 |  | 3 | ppm | 1st Year | 1 |
| Aging |  | -5 |  | 5 | ppm | 1st Year | 1 |
| Nominal Frequency | F | 16 |  | 96 | MHz |  | 1 |

## CAD (KiCad official)

- Symbol: `8Y40090004`
- Footprint: `Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm`
- 3D model: SMD2016-4P (KiCad packages3D, STEP)
- 3D model files: `8y40090004-etched.step` / `8y40090004-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `8y40090004.step` / `8y40090004.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TXC Corp datasheet](docs/8y40090004-datasheet.pdf) (1 pp, sha256 `6c3f32b72e48d8ff`, retrieved 2026-10-30, 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/8y40090004-datasheet.pdf)