# 3TJ424000UYFBC

**JYJE** · Crystals · SMD3225-4P

3TJ424000UYFBC from JYJE, 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 | XTAL1 | passive | Crystal terminal 1 connected to one side of the resonator, per the Top View Crystal Connection drawing (8.0MHz to 66.0MHz fundamental, CL 6pF to 20pF). |
| 2 | GND | power_in | Ground pad, labelled GND in the Top View Crystal Connection drawing. |
| 3 | XTAL2 | passive | Crystal terminal 2 connected to the other side of the resonator, per the Top View Crystal Connection drawing (drive level 10uW to 50uW typical). |
| 4 | GND | power_in | Ground pad, labelled GND in the Top View Crystal Connection drawing. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | JYJE |
| 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 (fundamental) |  | 8 |  | 66 | MHz | Fundamental mode; 3TJ4 SMD3225 series range as printed | 1 |
| Equivalent series resistance (ESR), 8.000-12.000 MHz | ESR |  |  | 120 | ohm | Fundamental mode, 8.000-12.000 MHz band | 1 |
| Equivalent series resistance (ESR), 12.000-18.000 MHz | ESR |  |  | 80 | ohm | Fundamental mode, 12.000-18.000 MHz band | 1 |
| Equivalent series resistance (ESR), 18.000-25.000 MHz | ESR |  |  | 60 | ohm | Fundamental mode, 18.000-25.000 MHz band | 1 |
| Equivalent series resistance (ESR), 25.000-30.000 MHz | ESR |  |  | 40 | ohm | Fundamental mode, 25.000-30.000 MHz band | 1 |
| Equivalent series resistance (ESR), 30.000-66.000 MHz | ESR |  |  | 30 | ohm | Fundamental mode, 30.000-66.000 MHz band | 1 |
| Frequency stability over temperature (column ±10ppm) |  | -10 |  | 10 | ppm | Printed 'Frequency Drift' ±10ppm column; paired with operating range -20℃~+70℃ by layout (grade not confirmed) | 1 |
| Frequency stability over temperature (column ±20ppm) |  | -20 |  | 20 | ppm | Printed 'Frequency Drift' ±20ppm column; paired with operating range -40℃~+85℃ by layout (grade not confirmed) | 1 |
| Aging |  | -3 |  | 3 | ppm/year | 25℃, maximum | 1 |
| Shunt capacitance | C0 |  |  | 7 | pf | Maximum | 1 |
| Drive level |  | 10 |  | 50 | uw | Printed as Typical range | 1 |
| Insulation resistance |  | 500 |  |  | Mohms | at DC 100V | 1 |
| Load capacitance | CL | 6 |  | 20 | pf | Or specify (per order) | 1 |
| Operating temperature range (grade A) |  | -20 |  | 70 | ℃ | Paired with ±10ppm column by layout (grade not confirmed) | 1 |
| Operating temperature range (grade B) |  | -40 |  | 85 | ℃ | Paired with ±20ppm column by layout (grade not confirmed) | 1 |
| Storage temperature range (grade A) |  | -20 |  | 60 | ℃ | Storage; paired with -20℃~+70℃ grade by layout (not confirmed) | 1 |
| Storage temperature range (grade B) |  | -55 |  | 125 | ℃ | Storage; paired with -40℃~+85℃ grade by layout (not confirmed) | 1 |

## CAD (KiCad official)

- Symbol: `3TJ424000UYFBC`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `3tj424000uyfbc-etched.step` / `3tj424000uyfbc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `3tj424000uyfbc.step` / `3tj424000uyfbc.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [JYJE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590170291919233024) (1 pp, sha256 `17336dc94bee4b6f`, retrieved 2026-10-15, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/3tj424000uyfbc-datasheet.pdf)