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Contents

README

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CF4027M00020001

huaxindianzi · Crystals · SMD3225-4P

CF4027M00020001 from huaxindianzi, 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 1 of the 27.000 MHz fundamental AT-cut crystal (20 pF load capacitance), connected to pin 3 through the crystal element.
2 GND power_in Pad labelled GND in the crystal connection drawing, to be connected to ground.
3 XTAL2 passive Crystal terminal 2 of the 27.000 MHz fundamental AT-cut crystal (20 pF load capacitance), connected to pin 1 through the crystal element.
4 GND power_in Pad labelled GND in the crystal connection drawing, to be connected to ground.

Key specifications

Parameter Value
Manufacturer huaxindianzi
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 Tolerance -10 10 ppm At 25℃ 4
Temperature Frequency Stability -20 20 ppm 4
Operating Temperature TC -30 85 ℃ 4
Drive Level DL 1 350 350 μW 4
Resonant resistance RR 40 Ω 4
Direct capacitance C0 3 pF 4
Insulation resistance IR 500 MΩ At DC 100V 4
Parasitic attenuation SPDB -3 dB -1000ppm~6500ppm 4
Aging rate -2 2 ppm 1st year max 4
Storage temperature range -55 125 ℃ 4
Nominal Frequency F0 27 MHz 4
Load Capacitance CL 20 pF 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts gold Pin Au Conducting rein Ag+硅树脂 6

CAD (KiCad official)

  • Symbol: CF4027M00020001
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: cf4027m00020001-etched.step / cf4027m00020001-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cf4027m00020001.step / cf4027m00020001.glb are the bare package body.

Provenance

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

  • Datasheet: huaxindianzi datasheet (10 pp, sha256 eef608d3f6e428fe, retrieved 2026-10-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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