# 1C208000BC0R

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

1C208000BC0R 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 | Terminal #1 is connected to the quartz element as an internal connection shown in the Figure-1 top view, and the datasheet gives no separate electrical limit for this terminal. |
| 2 | #2 | unconnected | Terminal #2 is open (unconnected) and is not connected to the quartz element, per the Figure-1 internal connection note. |
| 3 | #3 | passive | Terminal #3 is connected to the quartz element as an internal connection shown in the Figure-1 top view, and the datasheet gives no separate electrical limit for this terminal. |
| 4 | #4 | unconnected | Terminal #4 is open (unconnected) and is not connected to the quartz element, per the Figure-1 internal connection note. |

## 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 ± 3 °C) |  | -20 |  | 20 | ppm | at +25 ± 3 °C | 2 |
| Series resistance |  |  |  | 400 | Ω | at Series | 2 |
| Frequency characteristics over temperature (ref. to +25°C) |  | -30 |  | 30 | ppm | -40 ~ +85 °C | 2 |
| Shunt capacitance |  |  |  | 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 |  | -2 | 10 | 2 | μW | 10 ± 2 μW as printed | 2 |
| Nominal frequency |  |  | 8 |  | MHz |  | 2 |
| Load capacitance (CL) | CL |  | 12 |  | pF |  | 2 |

## 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: `1C208000BC0R`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `1c208000bc0r-etched.step` / `1c208000bc0r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1c208000bc0r.step` / `1c208000bc0r.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KDS Daishinku datasheet](docs/1c208000bc0r-datasheet.pdf) (13 pp, sha256 `e219c1975fecfa40`, retrieved 2026-10-21, 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/1c208000bc0r-datasheet.pdf)