# SCBYS22X11840ELRH

**SST** · Crystals · HC-49S

SCBYS22X11840ELRH from SST, 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 | SST |
| Package | HC-49S |
| Category | Crystals, Oscillators, Resonators |
| 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 at 25±3℃ |  | -20 |  | 20 | ppm | 25±3℃ | 2 |
| Stability over operating temperature range |  | -30 |  | 30 | ppm | -40℃ to +85℃ | 2 |
| Aging |  | -3 |  | 3 | ppm/Year |  | 2 |
| Effective series resistance |  |  |  | 30 | Ω |  | 2 |
| Shunt capacitance | C0 |  |  | 7 | pF |  | 2 |
| Max-min impedance difference over drive levels | DLD2 |  |  | 10 | Ω | 0.01 uW~100 uW 10 steps | 2 |
| Maximum impedance over drive levels | RLD2 |  |  | 30 | Ω | 0.01 uW~100 uW 10 steps | 2 |
| Max-min frequency difference over drive levels | FDLD |  |  | 6 | ppm | 0.01 uW~100 uW 10 steps | 2 |
| Insulation resistance |  | 500 |  |  | MΩ | DC 100V | 2 |
| Operation temperature range |  | -40 |  | 85 | ℃ |  | 2 |
| Storage temperature |  | -40 |  | 85 | ℃ |  | 2 |
| Normal frequency (nominal) |  |  | 22.1184 |  | MHz |  | 2 |
| Load capacitance | CL |  | 20 |  | pF |  | 2 |
| Typical drive level |  |  | 100 |  | uW |  | 2 |

## CAD (KiCad official)

- Symbol: `SCBYS22X11840ELRH`
- Footprint: `Crystal:Crystal_HC49-4H_Vertical`
- 3D model: HC-49S (KiCad packages3D, STEP)
- 3D model files: `scbys22x11840elrh-etched.step` / `scbys22x11840elrh-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `scbys22x11840elrh.step` / `scbys22x11840elrh.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SST datasheet](docs/scbys22x11840elrh-datasheet.pdf) (6 pp, sha256 ``, retrieved 2026-10-15, 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/scbys22x11840elrh-datasheet.pdf)