# 8R026000301

**HD** · Crystal Oscillators · SMD3225-4P

8R026000301 from HD, 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 | ENABLE CONTROL | input | Output enable/disable control input; the datasheet lists output state control as enable/disable. |
| 2 | GND | power_in | Ground connection. |
| 3 | OUT | output | CMOS clock output at 26.000 MHz, rated for a 15pF load with 5ns max rise/fall time. |
| 4 | VDD | power_in | Supply voltage input, +3.3Vdc±10%, with 36mA max input current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HD |
| 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 Stability |  | -30 |  | 30 | ppm | incl. 25°C tolerance, tolerance over operating temperature range, input voltage change, load change, 1 year aging | 3 |
| Aging |  | -3 |  | 3 | ppm/year |  | 3 |
| Operating Temperature Range |  | -40 |  | 85 | °C |  | 3 |
| Storage Temperature Range |  | -55 |  | 125 | °C |  | 3 |
| Input Current (IDD) | IDD |  |  | 36 | mA |  | 3 |
| Rise/Fall Time |  |  |  | 5 | ns |  | 3 |
| Output Voltage Low | VOL |  |  | 10 | %VDD |  | 3 |
| Output Voltage High | VOH | 90 |  |  | %VDD |  | 3 |
| Start-up Time |  |  |  | 8 | ms |  | 3 |
| Phase Jitter (rms) |  |  |  | 1 | ps rms | 12kHz to 20MHz | 3 |
| Output Symmetry |  | -5 | 50 | 5 | % |  | 3 |
| Input Voltage Tolerance | VDD | -10 |  | 10 | % |  | 3 |
| Input Voltage (VDD) | VDD |  | 3.3 |  | V |  | 3 |
| Output Load |  |  | 15 |  | pF |  | 3 |
| Nominal Frequency |  |  | 26 |  | MHz |  | 3 |

## CAD (KiCad official)

- Symbol: `8R026000301`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `8r026000301-etched.step` / `8r026000301-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `8r026000301.step` / `8r026000301.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/8589837883403239424) (6 pp, sha256 `6be242e43c0476fb`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/8r026000301-datasheet.pdf)