component
2.3.3.250001255
Public Made by Adomby adom
MDH Crystals, SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown2.3.3.250001255
MDH · Crystals · SMD3225-4P
2.3.3.250001255 from MDH, 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 of the 25.000000 MHz fundamental AT-cut crystal, with 12 pF load capacitance specified. |
| 2 | GND | power_in | Ground pad, marked GND in the internal view connection drawing, connected to the lid/case. |
| 3 | XTAL2 | passive | Crystal terminal 2 of the 25.000000 MHz fundamental AT-cut crystal, with 12 pF load capacitance specified. |
| 4 | GND | power_in | Ground pad, marked GND in the internal view connection drawing, connected to the lid/case. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDH |
| 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 tolerance (ΔF/F0) | △F/F0 | -10 | 10 | ppm | At 25℃±3℃ | 4 | |
| Equivalent Series resistance (ESR) | ESR | 40 | Ω | 4 | |||
| Drive Level (DL) | DL | 0.01 | 100 | 150 | uW | 4 | |
| Storage temperature range | -55 | 125 | ℃ | 4 | |||
| Operating temperature range | -40 | 85 | ℃ | Ref. to 25℃ | 4 | ||
| Temperature stability (over operating temperature) | -15 | 15 | ppm | Ref. to 25℃ | 4 | ||
| Shunt Capacitance (C0) | C0 | 3 | pF | 4 | |||
| RLD2 | RLD2 | 40 | Ω | 4 | |||
| Aging | -3 | 3 | ppm/Year | 1st Year | 4 | ||
| SPDB | SPDB | -3 | dB | -200 ~ +400kHz / 20points | 4 | ||
| Insulation Resistance | 500 | MΩ | At DC 100±15V | 4 | |||
| Frequency (FL) nominal | FL | 25 | MHz | 4 | |||
| Loading capacitance (CL) | CL | 12 | pF | 4 |
CAD (KiCad official)
- Symbol:
2.3.3.250001255 - Footprint:
Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm - 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files:
2-3-3-250001255-etched.step/2-3-3-250001255-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);2-3-3-250001255.step/2-3-3-250001255.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDH datasheet (10 pp, sha256
7eba92c88b6401b9, retrieved 2026-10-21, 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).