# HY12MSMD3225EB1R30

**Huiyuan crystal** · Crystals · SMD3225-4P

HY12MSMD3225EB1R30 from Huiyuan crystal, in a SMD3225-4P. 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 1 connected to one side of the quartz resonator, used with a load capacitance of 6~32pF. |
| 2 | GND | power_in | Connected to the metal cap on top of the package and shown as GND in the connection diagram. |
| 3 | XTAL2 | passive | Crystal terminal 2 connected to the other side of the quartz resonator, used with a load capacitance of 6~32pF. |
| 4 | GND | power_in | Connected to the metal cap on top of the package and shown as GND in the connection diagram. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Huiyuan crystal |
| Package | SMD3225-4P |
| Category | Crystals, Oscillators, Resonators |
| 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 |
| Effective Series Resistance | ESR |  |  | 80 | Ω | 12~13.560MHZ | 1 |
| Shunt Capacitance | C0 |  |  | 5 | PF |  | 1 |
| Insulation Resistance |  | 500 |  |  | MΩ | at DC 100V | 1 |
| Aging |  | -3 |  | 3 | PPM/Year |  | 1 |
| Operation Temperature Range |  | -40 |  | 85 | ℃ |  | 1 |
| Storage Temperature |  | -40 |  | 85 | ℃ |  | 1 |
| Load Capacitance | CL | 6 |  | 32 | PF | Series range | 1 |
| Nominal Frequency |  | 8 | 12 | 54 | MHz | Series range; 12 MHz typ from MPN | 1 |
| Drive Level |  |  | 10 |  | uW | Typical drive level | 1 |

## CAD (KiCad official)

- Symbol: `HY12MSMD3225EB1R30`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `hy12msmd3225eb1r30-etched.step` / `hy12msmd3225eb1r30-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hy12msmd3225eb1r30.step` / `hy12msmd3225eb1r30.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Huiyuan crystal datasheet](docs/hy12msmd3225eb1r30-datasheet.pdf) (3 pp, sha256 `add57ed20df030ab`, 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/hy12msmd3225eb1r30-datasheet.pdf)