# DSX321G-20M

**KDS Daishinku** · Crystals · SMD3225-4P

DSX321G-20M from KDS Daishinku, 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 | Pin #1 is connected to the quartz crystal element (internal connection shown for both the 12MHz-or-under and over-12MHz versions). |
| 2 | GND/NC | power_in | Pin #2 is GND connected or N.C. (datasheet states it may be left not connected). |
| 3 | XTAL2 | passive | Pin #3 is connected to the quartz crystal element (internal connection shown for both the 12MHz-or-under and over-12MHz versions). |
| 4 | GND/NC | power_in | Pin #4 is GND connected or N.C. (datasheet states it may be left not connected). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KDS Daishinku |
| 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 (at 25℃) |  | -20 |  | 20 | ×10−6 | at 25℃ | 1 |
| Frequency Characteristics over Temperature |  | -30 |  | 30 | ×10−6 | −30 to ＋85℃ (Ref. to 25℃) | 1 |
| Drive Level |  |  | 10 | 200 | μW |  | 1 |
| Storage Temperature Range |  | -40 |  | 85 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `DSX321G-20M`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `dsx321g-20m-etched.step` / `dsx321g-20m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dsx321g-20m.step` / `dsx321g-20m.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KDS Daishinku datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586195878290345984) (1 pp, sha256 `389a097fc4e6ab05`, retrieved 2026-10-16, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/dsx321g-20m-datasheet.pdf)