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Q22FA23V00418
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Seiko Epson Crystals, SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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Q22FA23V00418
Seiko Epson · Crystals · SMD3225-4P
Q22FA23V00418 from Seiko Epson, 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 | XTAL | passive | Crystal terminal (#1, XTAL) for the 12 MHz fundamental crystal unit, with CL = 18 pF and recommended drive level 100 µW (max 200 µW). |
| 2 | GND | power_in | Ground terminal, connected to the cover (lid) of the crystal package. |
| 3 | XTAL | passive | Second crystal terminal (#3, XTAL) for the 12 MHz fundamental crystal unit, with CL = 18 pF and recommended drive level 100 µW (max 200 µW). |
| 4 | GND | power_in | Ground terminal, connected to the cover (lid) of the crystal package. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Seiko Epson |
| 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 | f_tol | -20 | 20 | × 10-6 | CL = 18 pF, Ta = +25 ± 3 °C, DL: 100 μW, not include aging | 4 | |
| Frequency temperature characteristics | f_tem | -20 | 20 | × 10-6 | Ta = -40 °C ~ +85 °C (Ref. at Ta = +25 °C ± 3 °C), DL: 100 μW | 4 | |
| Motional resistance | R1 | 100 | Ω | π circuit IEC 60444-2, Ta = -40 °C ~ +85 °C, DL: 100 μW | 4 | ||
| Shunt capacitance | C0 | 5 | pF | π circuit and N.A. | 4 | ||
| Isolation resistance | IR | 500 | MΩ | DC 100 V ± 15, 60 seconds between each terminals | 4 | ||
| Frequency aging | f_age | -5 | 5 | × 10-6/year | Ta = +25 °C ± 3 °C | 4 | |
| Storage temperature range | T_stg | -40 | 125 | °C | 4 | ||
| Operating temperature range | T_use | -40 | 85 | °C | 4 | ||
| Level of drive | DL | 100 | 200 | μW | Recommended: 100 μW | 4 | |
| Nominal frequency | f_nom | 12 | MHz | Fundamental | 4 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | gold | Terminal Au plate : 1.5 μm Max. 2) Circuit | 6 |
CAD (KiCad official)
- Symbol:
Q22FA23V00418 - Footprint:
Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm - 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files:
q22fa23v00418-etched.step/q22fa23v00418-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);q22fa23v00418.step/q22fa23v00418.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Seiko Epson datasheet (18 pp, sha256
2e75f52dc42aba49, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).
# Q22FA23V00418
**Seiko Epson** · Crystals · SMD3225-4P
Q22FA23V00418 from Seiko Epson, 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 | XTAL | passive | Crystal terminal (#1, XTAL) for the 12 MHz fundamental crystal unit, with CL = 18 pF and recommended drive level 100 µW (max 200 µW). |
| 2 | GND | power_in | Ground terminal, connected to the cover (lid) of the crystal package. |
| 3 | XTAL | passive | Second crystal terminal (#3, XTAL) for the 12 MHz fundamental crystal unit, with CL = 18 pF and recommended drive level 100 µW (max 200 µW). |
| 4 | GND | power_in | Ground terminal, connected to the cover (lid) of the crystal package. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Seiko Epson |
| 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 | f_tol | -20 | | 20 | × 10-6 | CL = 18 pF, Ta = +25 ± 3 °C, DL: 100 μW, not include aging | 4 |
| Frequency temperature characteristics | f_tem | -20 | | 20 | × 10-6 | Ta = -40 °C ~ +85 °C (Ref. at Ta = +25 °C ± 3 °C), DL: 100 μW | 4 |
| Motional resistance | R1 | | | 100 | Ω | π circuit IEC 60444-2, Ta = -40 °C ~ +85 °C, DL: 100 μW | 4 |
| Shunt capacitance | C0 | | | 5 | pF | π circuit and N.A. | 4 |
| Isolation resistance | IR | 500 | | | MΩ | DC 100 V ± 15, 60 seconds between each terminals | 4 |
| Frequency aging | f_age | -5 | | 5 | × 10-6/year | Ta = +25 °C ± 3 °C | 4 |
| Storage temperature range | T_stg | -40 | | 125 | °C | | 4 |
| Operating temperature range | T_use | -40 | | 85 | °C | | 4 |
| Level of drive | DL | | 100 | 200 | μW | Recommended: 100 μW | 4 |
| Nominal frequency | f_nom | | 12 | | MHz | Fundamental | 4 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | gold | Terminal Au plate : 1.5 μm Max. 2) Circuit | 6 |
## CAD (KiCad official)
- Symbol: `Q22FA23V00418`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `q22fa23v00418-etched.step` / `q22fa23v00418-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `q22fa23v00418.step` / `q22fa23v00418.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Seiko Epson datasheet](docs/q22fa23v00418-datasheet.pdf) (18 pp, sha256 `2e75f52dc42aba49`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/q22fa23v00418-datasheet.pdf)