# 3131M-32.768DT07NNL

**HCI** · Crystals · SMD3215-2P

3131M-32.768DT07NNL from HCI, 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 | HCI |
| 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 |
|---|---|---|---|---|---|---|---|
| Equivalent series resistance |  |  |  | 70 | kΩ |  | 1 |
| Operating temperature range |  | -40 |  | 85 | °C |  | 1 |
| Storage temperature range |  | -55 |  | 125 | °C |  | 1 |
| Drive level |  |  | 0.2 | 1 | µW |  | 1 |
| Aging per year |  | -3 |  | 3 | ppm | At +25°C | 1 |
| Stability over temperature tolerance |  | -0.01 |  | 0.01 | ppm/∆°C2 | Parabolic coefficient | 1 |
| Turning point temperature tolerance |  | -5 |  | 5 | °C |  | 1 |
| Nominal frequency range |  |  | 32.768 |  | kHz |  | 1 |
| Shunt capacitance |  |  | 1.5 |  | pF |  | 1 |
| Motional capacitance |  |  | 3.3 |  | fF |  | 1 |
| Stability over temperature |  |  | -0.03 |  | ppm/∆°C2 | Parabolic coefficient | 1 |
| Turning point temperature |  |  | 25 |  | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `3131M-32.768DT07NNL`
- Footprint: `Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm`
- 3D model: SMD3215-2P (KiCad packages3D, STEP)
- 3D model files: `3131m-32-768dt07nnl-etched.step` / `3131m-32-768dt07nnl-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `3131m-32-768dt07nnl.step` / `3131m-32-768dt07nnl.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HCI datasheet](docs/3131m-32-768dt07nnl-datasheet.pdf) (1 pp, sha256 ``, retrieved 2026-10-28, tier: lcsc)
- **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/3131m-32-768dt07nnl-datasheet.pdf)