# 3N28000G33YC

**SJK SHENZHEN CRYSTAL TECH** · Crystal Oscillators · SMD3225-4P

3N28000G33YC from SJK SHENZHEN CRYSTAL TECH, 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 | OE | input | Output Enable control pin for the 3-state function; the datasheet gives no OE logic threshold or voltage limits. |
| 2 | GND | power_in | Ground reference pin for the oscillator. |
| 3 | Output | output | CMOS clock output; Vol max 0.1 VDD and Voh min 0.9 VDD, with rise/fall time of 5ns max. |
| 4 | Vcc | power_in | Supply voltage pin rated 3.3V (1.8V and 2.5V variants available), with supply current of 15mA max. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | SJK SHENZHEN CRYSTAL TECH |
| 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 range |  | 1 |  | 125 | MHz |  | 1 |
| Supply current |  |  |  | 15 | mA |  | 1 |
| Operating temperature |  | -40 |  | 85 | ℃ |  | 1 |
| Storage temperature |  | -55 |  | 125 | ℃ |  | 1 |
| Frequency stability (option ±25ppm) |  | -25 |  | 25 | ppm |  | 1 |
| Frequency stability (option ±50ppm) |  | -50 |  | 50 | ppm |  | 1 |
| Output low voltage (max) | Vol |  |  | 0.1 | VDD |  | 1 |
| Output high voltage (min) | Voh | 0.9 |  |  | VDD |  | 1 |
| Rise/fall time (Tr/Tf) | Tr/Tf |  |  | 5 | ns |  | 1 |
| Period jitter |  |  |  | 40 | pSec |  | 1 |
| Duty cycle |  | 45 |  | 55 | % |  | 1 |
| Start-up time |  |  |  | 5 | ms |  | 1 |
| Phase jitter |  |  |  | 1 | ps | 12KHz~20MHz | 1 |
| Aging |  | -3 |  | 3 | ppm/Year | at 25℃ | 1 |
| Dimension (length) |  | -0.1 | 3.2 | 0.1 | mm |  | 1 |
| Supply voltage | VDD |  | 3.3 |  | V |  | 1 |
| Output load |  |  | 15 |  | pF |  | 1 |

## CAD (KiCad official)

- Symbol: `3N28000G33YC`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `3n28000g33yc-etched.step` / `3n28000g33yc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `3n28000g33yc.step` / `3n28000g33yc.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SJK SHENZHEN CRYSTAL TECH datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590168854002364416) (1 pp, sha256 `37ecc9d1e7a34a85`, retrieved 2026-10-15, 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/3n28000g33yc-datasheet.pdf)