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7U16666AE12UCG

SJK(SHENZHEN CRYSTAL TECH) · Crystals · SMD3225-4P

7U16666AE12UCG from SJK(SHENZHEN CRYSTAL TECH), 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 XTAL1 passive Crystal terminal connected to one side of the resonator, per the top-view crystal connection drawing.
2 GND power_in Marked GND in the crystal connection drawing; lid/case ground terminal, not connected to the resonator.
3 XTAL2 passive Crystal terminal connected to the other side of the resonator, per the top-view crystal connection drawing.
4 GND power_in Marked GND in the crystal connection drawing; lid/case ground terminal, not connected to the resonator.

Key specifications

Parameter Value
Manufacturer SJK(SHENZHEN CRYSTAL TECH)
Package SMD3225-4P
Category Crystal Oscillator/Oscillator/Resonator
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 range 10 64 MHz Fundamental 1
Equivalent series resistance ESR 80 Ω 16~20 MHz, Fundamental 1
Shunt capacitance C0 5 pF 1
Drive level 1 100 200 μW 1
Aging -3 3 ppm/year at 25℃ 1
Operating temperature range -40 85 ℃ or specify 1
Storage temperature range -55 125 ℃ 1

CAD (KiCad official)

  • Symbol: 7U16666AE12UCG
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: 7u16666ae12ucg-etched.step / 7u16666ae12ucg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 7u16666ae12ucg.step / 7u16666ae12ucg.glb are the bare package body.

Provenance

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

  • Datasheet: SJK(SHENZHEN CRYSTAL TECH) datasheet (1 pp, sha256 e50a34ce51575e80, retrieved 2026-10-23, 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