# S1C12288VWFAC

**JYJE** · Crystals · HC-49S

S1C12288VWFAC from JYJE, in a HC-49S. 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 | 1 | passive | Terminal 1 of a two-terminal crystal; either orientation. |
| 2 | 2 | passive | Terminal 2 of a two-terminal crystal; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | JYJE |
| Package | HC-49S |
| Category | Crystal Oscillator/Oscillator/Resonator |
| Pins | 2 |

## 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 | ΔF/F0 | -20 |  | 20 | ppm | At 25℃±3℃ | 2 |
| Operating Temperature Range | TOPR | -20 |  | 70 | ℃ |  | 2 |
| Frequency Stability | TC | -20 |  | 20 | ppm |  | 2 |
| Storage Temperature | TSTG | -40 |  | 90 | ℃ |  | 2 |
| Aging Per Year | Fa | -3 |  | 3 | ppm | First Year | 2 |
| Equivalent Series Resistance | ESR |  |  | 60 | Ω |  | 2 |
| Drive Level | DL |  |  | 100 | μW |  | 2 |
| Insulation Resistance | IR | 100 |  |  | MΩ | At 100VDC | 2 |
| Shunt Capacitance | C0 |  |  | 7 | PF |  | 2 |
| Nominal Frequency | F0 |  | 12.288 |  | MHz | Fundamental | 2 |
| Load Capacitance | CL |  | 16 |  | PF |  | 2 |

## CAD (KiCad official)

- Symbol: `S1C12288VWFAC`
- Footprint: `Crystal:Crystal_HC49-4H_Vertical`
- 3D model: HC-49S (KiCad packages3D, STEP)
- 3D model files: `s1c12288vwfac-etched.step` / `s1c12288vwfac-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `s1c12288vwfac.step` / `s1c12288vwfac.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [JYJE datasheet](docs/s1c12288vwfac-datasheet.pdf) (6 pp, sha256 ``, retrieved 2026-10-27, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `crystal numbering` (convention), consensus `off` (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/s1c12288vwfac-datasheet.pdf)