# 7LC32768F12UC

**SJK(SHENZHEN CRYSTAL TECH)** · Crystals · SMD3215-2P

7LC32768F12UC from SJK(SHENZHEN CRYSTAL TECH), in a SMD3215-2P. 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 of a two-terminal crystal; either orientation. |
| 2 | 2 | passive | Terminal 2 of a two-terminal crystal; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | SJK(SHENZHEN CRYSTAL TECH) |
| Package | SMD3215-2P |
| Category | Crystals/Oscillators/Resonators |
| Pins | 2 |

## 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°C |  | -20 |  | 20 | ppm | at 25°C | 2 |
| Insulation resistance |  | 500 |  |  | MΩ | at DC100V±15V | 2 |
| ESR |  |  |  | 70 | KΩ |  | 2 |
| Frequency temperature curve coefficient |  |  |  | -0.04 | ppm/°C² |  | 2 |
| Driver level |  |  |  | 1 | µW |  | 2 |
| Aging 1st year |  | -3 |  | 3 | ppm/year | @25°C 1st year (Max) | 2 |
| Nominal frequency |  |  | 32.768 |  | KHz |  | 2 |
| Load capacitance | CL |  | 12.5 |  | PF |  | 2 |
| Turnover temperature |  | -3 | 25 | 3 | °C | 25 ± 3°C | 2 |
| Shunt capacitance | C0 |  | 0.9 |  | pF |  | 2 |
| Dynamic capacitance | C1 |  | 2.6 |  | fF |  | 2 |
| Operating temperature range |  | -40 |  | 85 | °C |  | 2 |
| Storage temperature range |  | -55 |  | 125 | °C |  | 2 |

## CAD (KiCad official)

- Symbol: `7LC32768F12UC`
- Footprint: `Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm`
- 3D model: SMD3215-2P (KiCad packages3D, STEP)
- 3D model files: `7lc32768f12uc-etched.step` / `7lc32768f12uc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `7lc32768f12uc.step` / `7lc32768f12uc.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SJK(SHENZHEN CRYSTAL TECH) datasheet](docs/7lc32768f12uc-datasheet.pdf) (5 pp, sha256 ``, retrieved 2026-10-28, 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`, primary `crystal numbering` (convention), consensus `off` (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/7lc32768f12uc-datasheet.pdf)