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Contents

README

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L225S260L11L

Lucki · Crystals · SMD2520-4P

L225S260L11L from Lucki, in a SMD2520-4P. 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 resonator terminal labelled as the input side of the 26.000 MHz crystal (LK P/N L225S260L11L); the datasheet gives no pin-level voltage or current limits.
2 GND power_in Ground connection for the crystal, which the datasheet lists as pin 2 (one of two GND terminals); no electrical limits are stated for this pin.
3 Xtal Terminal (Output) output Crystal resonator terminal labelled as the output side of the 26.000 MHz crystal; the datasheet gives no pin-level voltage or current limits.
4 GND power_in Ground connection for the crystal, which the datasheet lists as pin 4 (one of two GND terminals); no electrical limits are stated for this pin.

Key specifications

Parameter Value
Manufacturer Lucki
Package SMD2520-4P
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 (operating temperature range) -20 20 ppm over -40℃~+85℃ 1
Shunt capacitance 2 pF Max or specify 1
Drive level 300 μW Max.; options 10, 100, 300 μW or specify 1
Insulation resistance 500 MΩ at DC 100V 1
Aging -2 2 ppm / year at 25℃ ± 2 ppm / year Max 1
Operating temperature range -40 85 ℃ 1
Storage temperature range -40 125 ℃ 1
Nominal frequency 26 MHz 1
Equivalent series resistance 35 Ω 1
Load capacitance 12 pF 1

CAD (KiCad official)

  • Symbol: L225S260L11L
  • Footprint: Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm
  • 3D model: SMD2520-4P (KiCad packages3D, STEP)
  • 3D model files: l225s260l11l-etched.step / l225s260l11l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); l225s260l11l.step / l225s260l11l.glb are the bare package body.

Provenance

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

  • Datasheet: Lucki datasheet (1 pp, sha256 981b7fd4d2d35e34, 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