# CXB006XMD168

**CREC** · Crystals · SMD3225-4P

CXB006XMD168 from CREC, 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 | X'TAL | passive | Crystal terminal (pins 1 and 3 are the crystal connections) of the 8~125MHz resonator. |
| 2 | GND | power_in | Ground connection (pins 2 and 4 are GND) per the pin connection note. |
| 3 | X'TAL | passive | Crystal terminal (pins 1 and 3 are the crystal connections) of the 8~125MHz resonator. |
| 4 | GND | power_in | Ground connection (pins 2 and 4 are GND) per the pin connection note. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | CREC |
| Package | SMD3225-4P |
| 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 Range | F0 | 8 |  | 125 | MHz |  | 1 |
| Load Capacitance | CL | 6 |  |  | pF | Assignable | 1 |
| Aging |  | -3 |  | 3 | ppm/Year | First Year | 1 |
| Insulation Resistance |  | 500 |  |  | Mohm | at DC 100V | 1 |
| Level of Drive | DL |  | 100 | 200 | uW |  | 1 |
| Storage Temperature Range | Ts | -55 |  | 125 | ℃ |  | 1 |
| ESR (Max) | ESR |  |  | 50 | ohm | 100MHz ≤ F0 < 125MHz, 3rd Overtone | 1 |
| ESR (Max) | ESR |  |  | 30 | ohm | 50MHz ≤ F0 ≤ 62.4MHz, Fundamental | 1 |
| ESR (Max) | ESR |  |  | 60 | ohm | 60MHz ≤ F0 < 100MHz, 3rd Overtone | 1 |
| ESR (Max) | ESR |  |  | 40 | ohm | 24MHz ≤ F0 < 50MHz, Fundamental | 1 |
| ESR (Max) | ESR |  |  | 70 | ohm | 16MHz ≤ F0 < 20MHz, Fundamental | 1 |
| ESR (Max) | ESR |  |  | 200 | ohm | 7.9MHz < F0 ≤ 10MHz, Fundamental | 1 |
| ESR (Max) | ESR |  |  | 120 | ohm | 10MHz ≤ F0 < 12MHz, Fundamental | 1 |

## CAD (KiCad official)

- Symbol: `CXB006XMD168`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `cxb006xmd168-etched.step` / `cxb006xmd168-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cxb006xmd168.step` / `cxb006xmd168.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [CREC datasheet](docs/cxb006xmd168-datasheet.pdf) (1 pp, sha256 `71231831ab1ecb50`, retrieved 2026-11-06, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-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/cxb006xmd168-datasheet.pdf)