# 7Q032768NW2

**HD** · Crystals · DT-38

7Q032768NW2 from HD, in a DT-38. 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 | HD |
| Package | DT-38 |
| 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℃ |  | -20 |  | 20 | ppm | at 25℃ | 1 |
| Series Resistance (Rr) | Rr |  |  | 50 | KΩ |  | 1 |
| Frequency Temperature Stability |  |  |  | -0.04 | *10-6 /℃2 | parabolic coefficient, Max | 1 |
| Frequency change after drop test |  | -5 |  | 5 | ppm | free drop 75cm on hard wooden board, 3 times | 2 |
| Frequency change after mechanical shock |  | -5 |  | 5 | ppm | half sine wave 1000g, three axes, 3 times each | 2 |
| Frequency change after shake |  | -5 |  | 5 | ppm | 10~55Hz, swing 1.5mm, x/y/z, 30 min per axis | 2 |
| Frequency change after humidity test |  | -5 |  | 5 | ppm | +40±2℃ & 90%~95% R.H., 250 hours | 2 |
| Frequency change after low temperature test |  | -5 |  | 5 | ppm | -40±2℃, 250 hours | 2 |
| Frequency change after high temperature test |  | -5 |  | 5 | ppm | +85±2℃, 250 hours | 2 |
| Frequency change after temperature cycling |  | -5 |  | 5 | ppm | -30±3℃/30 min to +85±2℃/30 min, 5 cycles | 2 |
| Frequency change after reflow examination |  | -5 |  | 5 | ppm | reflow examination | 2 |
| Operation Temperature |  | -20 |  | 70 | ℃ |  | 1 |
| Preservation Temperature |  | -40 |  | 85 | ℃ |  | 1 |
| Turnover Temperature (To) | To | -5 | 25 | 5 | ℃ | 25℃ ± 5℃ as printed | 1 |
| Insulation Resistance |  | 500 |  |  | MΩ | at DC 100V±10V | 1 |
| Nominal frequency (F) | F |  | 32.768 |  | KHz |  | 1 |
| Load Capacitance (CL) | CL |  | 12.5 |  | pF |  | 1 |
| Shunt Capacitance (C0) | C0 |  | 0.8 |  | PF |  | 1 |
| Capacitance Ratio (C0/C1) | C0/C1 |  | 500 |  |  |  | 1 |
| Quality Factor (Q) | Q |  | 60 |  | K | TYP as printed next to Rr | 1 |
| Drive Level |  |  | 1 |  | μW |  | 1 |

## CAD (KiCad official)

- Symbol: `7Q032768NW2`
- Footprint: `Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Vertical`
- 3D model: DT-38 (KiCad packages3D, STEP)
- 3D model files: `7q032768nw2-etched.step` / `7q032768nw2-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `7q032768nw2.step` / `7q032768nw2.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HD datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588932509056290816) (4 pp, sha256 ``, retrieved 2026-10-14, 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/7q032768nw2-datasheet.pdf)