# 7D025000I01

**HD** · Crystals · SMD2016-4P

7D025000I01 from HD, in a SMD2016-4P. 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 | CRYSTAL | passive | Crystal resonator terminal of the 25.000MHz fundamental-mode unit, with 10pF load capacitance, 50 ohms max resonance resistance, and 100μW max drive level. |
| 2 | GND | power_in | Ground pad on the bottom view, shown as GND in the datasheet drawing. |
| 3 | CRYSTAL | passive | Crystal resonator terminal of the 25.000MHz fundamental-mode unit, with 10pF load capacitance, 50 ohms max resonance resistance, and 100μW max drive level. |
| 4 | GND | power_in | Ground pad on the bottom view, shown as GND in the datasheet drawing. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HD |
| Package | SMD2016-4P |
| 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 | △f/f | -10 |  | 10 | ppm |  | 1 |
| Frequency temperature stability |  | -20 |  | 20 | ppm |  | 1 |
| Aging | △fA | -3 |  | 3 | ppm/Year |  | 1 |
| Nominal frequency | f |  | 25 |  | MHz |  | 1 |
| Load capacitance | CL |  | 10 |  | pF |  | 1 |
| Shunt capacitance | C0 |  |  | 2 | pF |  | 1 |
| Resonance resistance |  |  |  | 50 | ohm |  | 1 |
| Drive level | DL |  |  | 100 | μW |  | 1 |
| Insulation resistance | IR | 500 |  |  | MΩ |  | 1 |
| Operating temperature range | TOPR | -20 |  | 70 | °C |  | 1 |
| Storage temperature range | TSTG | -55 |  | 125 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `7D025000I01`
- Footprint: `Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm`
- 3D model: SMD2016-4P (KiCad packages3D, STEP)
- 3D model files: `7d025000i01-etched.step` / `7d025000i01-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `7d025000i01.step` / `7d025000i01.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/8588936581020966912) (4 pp, sha256 `c02618762bcc4631`, retrieved 2026-10-16, 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/7d025000i01-datasheet.pdf)