component
Q-VT20N0327605C50B
Public Made by Adomby adom
Seiko Crystals, DT-26. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdownQ-VT20N0327605C50B
Seiko · Crystals · DT-26
Q-VT20N0327605C50B from Seiko, in a DT-26. 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 | 1 | passive | Terminal 1 of a two-terminal crystal; either orientation. |
| 2 | 2 | passive | Terminal 2 of a two-terminal crystal; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Seiko |
| Package | DT-26 |
| Category | Crystals, Oscillators, Resonators |
| Pins | 2 |
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 | -5 | 5 | × 10-6 | 3 | ||
| Motional resistance | R1 | 50 | kΩ | Measured with ATI 4192A Impedance analyzer. OSC LEVEL = 0.1V | 3 | ||
| Insulation resistance | IR | 500 | MΩ | Measured with ATI 4329A Insulation Resistance Meter. Apply DC100V. | 3 | ||
| Frequency ageing | f_age | -3 | 3 | × 10-6 / year | 25±3℃, first year | 3 | |
| Turnover temperature | Ti | -5 | 25 | 5 | ℃ | Measure at 3 points of 10℃, 25℃, and 40℃ | 3 |
| Parabolic coefficient B tolerance | B | -10 | 10 | % | 3 | ||
| Storage temperature range | T_stg | -40 | 85 | ℃ | 3 | ||
| Maximum drive level | DL max. | 1 | μW | 3 | |||
| Operating temperature range | T_use | -40 | 85 | ℃ | 3 | ||
| Drive level | DL | 0.1 | μW | 3 | |||
| Nominal frequency | f_nom | 32.768 | kHz | 3 | |||
| Load capacitance | CL | 12.5 | pF | 3 | |||
| Motional capacitance | C1 | 2 | fF | 3 | |||
| Shunt capacitance | C0 | 0.9 | pF | Measured with ATI 4192A Impedance analyzer. OSC LEVEL = 0.1V | 3 | ||
| Parabolic coefficient | B | -0.035 | ×10-6/℃ | 3 |
CAD (KiCad official)
- Symbol:
Q-VT20N0327605C50B - Footprint:
Crystal:Crystal_DS26_D2.0mm_L6.0mm_Vertical - 3D model: DT-26 (KiCad packages3D, STEP)
- 3D model files:
q-vt20n0327605c50b-etched.step/q-vt20n0327605c50b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);q-vt20n0327605c50b.step/q-vt20n0327605c50b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Seiko datasheet (7 pp, sha256 ``, retrieved 2026-10-15, tier: lcsc)
- Extractor: parts-factory
2.0.0/extract_pins, primarycrystal numbering(convention), consensusoff(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).