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FO252032768K4HFBN2T

Public Made by Adom

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Yajingxin Crystal Oscillators, SMD2520-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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FO252032768K4HFBN2T

Yajingxin · Crystal Oscillators · SMD2520-4P

FO252032768K4HFBN2T from Yajingxin, 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 E/D input Enable control pad; the datasheet lists tri-state output with 100 nsec max output disable time and 10 msec max output enable (start-up) time.
2 GND power_in Ground pad.
3 OUT output Oscillator output pad, CMOS, 15pF max load, Voh 90%Vdd min, Vol 10%Vdd max, 32.768KHz.
4 VDD power_in Supply voltage pad, 3.3V±10% with 10mA max input current.

Key specifications

Parameter Value
Manufacturer Yajingxin
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
Operating temperature range -20 70 ℃ 2
Storage temperature range -55 125 ℃ 2
Power supply voltage tolerance (3.3V±10%) -10 10 % 2
Frequency stability -30 30 ppm 2
Aging -3 3 ppm/year 2
Input current 10 mA 2
Output voltage logic high Voh 90 %Vdd 2
Output voltage logic low Vol 10 %Vdd 2
Symmetry 40 60 % at 50%VDD 2
Rise & fall time 50 ns 2
Output load 15 pF CMOS load 2
Output enable time (start-up time) 10 msec start-up time 2
Nominal frequency 32.768 KHz 2

CAD (KiCad official)

  • Symbol: FO252032768K4HFBN2T
  • Footprint: Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm
  • 3D model: SMD2520-4P (KiCad packages3D, STEP)
  • 3D model files: fo252032768k4hfbn2t-etched.step / fo252032768k4hfbn2t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fo252032768k4hfbn2t.step / fo252032768k4hfbn2t.glb are the bare package body.

Provenance

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

  • Datasheet: Yajingxin datasheet (6 pp, sha256 640d8cac78827c0e, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF