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M25000E451

Public Made by Adom

by adom

ECEC(东晶) Crystals, SMD3225-4P. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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M25000E451

ECEC(东晶) · Crystals · SMD3225-4P

M25000E451 from ECEC(东晶), 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 the quartz element (#1 and #3 are the element terminals), 25.000000 MHz fundamental, load capacitance 12 pF.
2 CASE_GND_2 passive Connected to the metal cover (lid) per the internal connections diagram; typically grounded.
3 XTAL2 passive Crystal terminal connected to the quartz element (#1 and #3 are the element terminals), 25.000000 MHz fundamental, load capacitance 12 pF.
4 CASE_GND_4 passive Connected to the metal cover (lid) per the internal connections diagram; typically grounded.

Key specifications

Parameter Value
Manufacturer ECEC(东晶)
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 -10 10 ppm at 25±3℃ 3
Temperature drift (TC) TC -20 20 ppm -40℃~105℃ 3
Equivalent Resistance Rr 30 Ω 3
Drive Level DL 0.01 100 200 uW 3
Shunt Capacitance C0 2 pF 3
Insulation Resistance 500 MΩ at DC 100V 3
Aging -2 2 ppm Year 3
Operating Temperature -40 105 ℃ 3
Storage Temperature Range -55 125 ℃ 3
Nominal Frequency FL 25 MHz Fundamental 3
Load Capacitance CL 12 pF 3

CAD (KiCad official)

  • Symbol: M25000E451
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: m25000e451-etched.step / m25000e451-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); m25000e451.step / m25000e451.glb are the bare package body.

Provenance

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

  • Datasheet: ECEC(东晶) datasheet (10 pp, sha256 45bf9e731d41b474, retrieved 2026-10-21, 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: 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