# 1P225000BC0CK

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

1P225000BC0CK 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 | 1 | passive | Connected to the quartz element (crystal terminal). |
| 2 | GND | power_in | GND connected or N.C. available; not connected to the quartz element. |
| 3 | 3 | passive | Connected to the quartz element (crystal terminal). |
| 4 | GND | power_in | GND connected or N.C. available; not connected to the quartz element. |

## 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 |  | -20 |  | 20 | ppm | at +25 ± 3 °C | 2 |
| Frequency characteristics over temperature |  | -30 |  | 30 | ppm | -40 ~ +85 °C, ref. to +25°C | 2 |
| Series resistance |  |  |  | 60 | Ω | at Series | 2 |
| Shunt capacitance | C0 |  |  | 2 | pF |  | 2 |
| Insulation resistance |  | 500 |  |  | MΩ | DC 100 ± 15V | 2 |
| Operating temperature range |  | -40 |  | 85 | °C |  | 2 |
| Storage temperature range |  | -40 |  | 85 | °C |  | 2 |
| Drive level |  | 8 | 10 | 12 | μW | 10 ± 2 μW | 2 |
| Nominal frequency |  |  | 25 |  | MHz | Fundamental | 2 |
| Load capacitance | CL |  | 20 |  | pF |  | 2 |
| Peak reflow temperature | Tp |  |  | 260 | °C | tp max. 30 s; reflow allowed 3 times | 8 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | Polyester |  | Cover tape Polyester | 5 |
| contacts |  | gold | Plating material of a terminal. : Ni Plating + Au Plating. A clearance between the soldering terminal portion and a print circuit board side should be less than 0.1mm. | 3 |

## CAD (KiCad official)

- Symbol: `1P225000BC0CK`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `1p225000bc0ck-etched.step` / `1p225000bc0ck-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1p225000bc0ck.step` / `1p225000bc0ck.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KDS Daishinku datasheet](docs/1p225000bc0ck-datasheet.pdf) (13 pp, sha256 `80e635aaa1ab3dbe`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/1p225000bc0ck-datasheet.pdf)