# KBD250002020

**KYX** · Crystals · HC-49S-SMD

KBD250002020 from KYX, 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 | KYX |
| 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 (25℃±2℃) |  | -20 |  | 20 | ppm | 25℃±2℃ | 2 |
| TEMPERATURE STABILITY |  | -20 |  | 20 | ppm |  | 2 |
| OPERATING TEMPERATURE RANGE |  | -40 |  | 85 | ℃ |  | 2 |
| STORAGE TEMPERATURE |  | -40 |  | 85 | ℃ | storage temperature (section 1.5) | 2 |
| SHUNT CAPACITANCE |  |  |  | 7 | PF |  | 2 |
| EFFECTIVE SERIES RESISTANCE |  |  |  | 40 | Ω |  | 2 |
| INSULATION RESISTANCE |  | 500 |  |  | M OHMS | at DC 100V | 2 |
| DRIVER LEVEL |  |  |  | 100 | μW |  | 2 |
| NORMAL FREQUENCY |  |  | 25 |  | MHz |  | 2 |
| LOAD CAPACITANCE |  |  | 20 |  | PF |  | 2 |

## CAD (KiCad official)

- Symbol: `KBD250002020`
- Footprint: `Crystal:Crystal_SMD_HC49-SD`
- 3D model: HC-49S-SMD (KiCad packages3D, STEP)
- 3D model files: `kbd250002020-etched.step` / `kbd250002020-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `kbd250002020.step` / `kbd250002020.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KYX datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590181918269468672) (5 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/kbd250002020-datasheet.pdf)