# HY32MSMD2520CA1R30

**Huiyuan crystal** · Crystals · SMD2520-4P

HY32MSMD2520CA1R30 from Huiyuan crystal, in a SMD2520-4P. 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 | XTAL1 | passive | Crystal terminal connected to one side of the quartz blank in the connection diagram; load capacitance options 8/9/10/12/20 pF, 12~48 MHz fundamental. |
| 2 | GND | power_in | Marked GND in the connection diagram and connected to the metal cap on top. |
| 3 | XTAL2 | passive | Crystal terminal connected to the other side of the quartz blank in the connection diagram; load capacitance options 8/9/10/12/20 pF, 12~48 MHz fundamental. |
| 4 | GND | power_in | Marked GND in the connection diagram and connected to the metal cap on top. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Huiyuan crystal |
| Package | SMD2520-4P |
| Category | Crystal Oscillator/Oscillator/Resonator |
| 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 Tolerance |  | -10 |  | 10 | PPM | 25±3℃ | 1 |
| Stability Over Temperature Range |  | -30 |  | 30 | PPM | Operating temperature range | 1 |
| Aging |  | -3 |  | 3 | PPM/Year |  | 1 |
| Effective Series Resistance | ESR |  |  | 150 | Ω | 12MHz | 1 |
| Effective Series Resistance | ESR |  |  | 80 | Ω | 16~18.432MHz | 1 |
| Effective Series Resistance | ESR |  |  | 50 | Ω | 25~32MHz | 1 |
| Effective Series Resistance | ESR |  |  | 40 | Ω | 48MHz | 1 |
| Shunt Capacitance | C0 |  |  | 5 | pF |  | 1 |
| Insulation Resistance |  | 500 |  |  | MΩ | at DC 100V | 1 |
| Operation Temperature Range |  | -20 |  | 70 | ℃ |  | 1 |
| Storage Temperature |  | -20 |  | 70 | ℃ |  | 1 |
| Normal Frequency |  | 12 |  | 48 | MHz | SMD2520 series range | 1 |
| Typical drive level |  |  | 100 |  | uW |  | 1 |

## CAD (KiCad official)

- Symbol: `HY32MSMD2520CA1R30`
- Footprint: `Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm`
- 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files: `hy32msmd2520ca1r30-etched.step` / `hy32msmd2520ca1r30-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hy32msmd2520ca1r30.step` / `hy32msmd2520ca1r30.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Huiyuan crystal datasheet](docs/hy32msmd2520ca1r30-datasheet.pdf) (3 pp, sha256 `f2d46873a5234ff0`, retrieved 2026-10-22, 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 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/hy32msmd2520ca1r30-datasheet.pdf)