# 7M24000192

**TXC Corp** · Crystals · SMD3225-4P

7M24000192 from TXC Corp, in a SMD3225-4P. 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 marked by chamfered pad), connects to one side of the 24.000000MHz fundamental-mode crystal with 12pF load capacitance. |
| 2 | GND | power_in | Ground connection, shown as GND on the internal view connection diagram (lid/case ground). |
| 3 | XTAL2 | passive | Crystal terminal 2, connects to the other side of the 24.000000MHz fundamental-mode crystal with 12pF load capacitance. |
| 4 | GND | power_in | Ground connection, shown as GND on the internal view connection diagram (lid/case ground). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TXC Corp |
| Package | SMD3225-4P |
| 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 |
| Operating Temperature |  | -20 |  | 70 | °C |  | 4 |
| Aging |  | -2 |  | 2 | ppm | 1st Year | 4 |
| Effective Resistance | Rr |  |  | 50 | Ω |  | 4 |
| Shunt Capacitance | C0 |  |  | 5 | pF |  | 4 |
| Insulation Resistance |  | 500 |  |  | MΩ | at DC 100V | 4 |
| Storage Temperature Range |  | -40 |  | 85 | °C |  | 4 |
| Nominal Frequency | FL |  | 24 |  | MHz | Fundamental | 4 |
| Load Capacitance | CL |  | 12 |  | pF |  | 4 |
| Drive Level | DL |  | 10 |  | µW |  | 4 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing |  | black | 2 Base(Package) Ceramic (AI2O3) + Kovar (Fe/Co/Ni)+ Ag/Cu Color black | 6 |

## CAD (KiCad official)

- Symbol: `7M24000192`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `7m24000192-etched.step` / `7m24000192-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `7m24000192.step` / `7m24000192.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TXC Corp datasheet](docs/7m24000192-datasheet.pdf) (8 pp, sha256 `a8b01e308d4f9335`, retrieved 2026-10-23, 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/7m24000192-datasheet.pdf)