# XSA012000DK1H-OX

**HELE Harmony Elec** · Crystals · HC-49S-SMD

XSA012000DK1H-OX from HELE Harmony Elec, in a HC-49S-SMD. 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 | HELE Harmony Elec |
| Package | HC-49S-SMD |
| 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 |  | -20 |  | 20 | ppm | at 25℃±3℃ | 4 |
| Temperature stability |  | -50 |  | 50 | ppm | -40℃ ~ +85℃ | 4 |
| Aging |  | -5 |  | 5 | ppm/ year |  | 4 |
| Equivalent resistance (RR) | RR |  |  | 50 | Ω | SERIES | 4 |
| Insulation resistance |  | 500 |  |  | MΩ | at DC 100V | 4 |
| Shunt Capacitance (C0) | C0 |  |  | 7 | pF |  | 4 |
| Drive level (DL) | DL |  | 50 | 300 | μW |  | 4 |
| Loading capacitance (CL) | CL |  | 20 |  | pF |  | 4 |
| Frequency (FL) | FL |  | 12 |  | MHz |  | 4 |
| Operable temperature range |  | -40 |  | 85 | ℃ |  | 4 |
| Storage temperature range |  | -40 |  | 85 | ℃ |  | 4 |

## CAD (KiCad official)

- Symbol: `XSA012000DK1H-OX`
- Footprint: `Crystal:Crystal_SMD_HC49-SD`
- 3D model: HC-49S-SMD (KiCad packages3D, STEP)
- 3D model files: `xsa012000dk1h-ox-etched.step` / `xsa012000dk1h-ox-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xsa012000dk1h-ox.step` / `xsa012000dk1h-ox.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HELE Harmony Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918480452399104) (9 pp, sha256 ``, retrieved 2026-10-14, tier: lcsc)
- **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/xsa012000dk1h-ox-datasheet.pdf)