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Contents

README

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L327S120S11L

Lucki · Crystals · SMD3225-4P

L327S120S11L from Lucki, 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 Terminal (Input) input Crystal terminal for the input side of the quartz crystal unit (12.000 MHz, 18 pF load capacitance, 50 Ω max ESR per the datasheet specification table).
2 GND power_in Ground pin; the datasheet lists it as GND and gives no further electrical limits.
3 Xtal Terminal (Output) output Crystal terminal for the output side of the quartz crystal unit (12.000 MHz, 18 pF load capacitance, 50 Ω max ESR per the datasheet specification table).
4 GND power_in Ground pin; the datasheet lists it as GND and gives no further electrical limits.

Key specifications

Parameter Value
Manufacturer Lucki
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 at 25℃ -10 10 ppm at 25℃ 1
Frequency stability over operating temperature -20 20 ppm -40℃~+85℃ 1
Aging -2 2 ppm / year at 25℃ 1
Insulation resistance 500 MΩ at DC 100V 1
Shunt capacitance 2 pF 1
Drive level 300 μW options 10, 100, 300 μW or specify 1
Operating temperature range -40 85 ℃ 1
Storage temperature range -40 125 ℃ 1
Nominal frequency 12 MHz 1
Equivalent series resistance 50 Ω 1
Load capacitance 18 pF 1

CAD (KiCad official)

  • Symbol: L327S120S11L
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: l327s120s11l-etched.step / l327s120s11l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); l327s120s11l.step / l327s120s11l.glb are the bare package body.

Provenance

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

  • Datasheet: Lucki datasheet (1 pp, sha256 1191a596605ceafc, retrieved 2026-10-20, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF