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Contents

README

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ABM8-28.63636MHZ-B2-T

Abracon LLC · Crystals · SMD3225-4P

ABM8-28.63636MHZ-B2-T from Abracon LLC, 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 (unlabeled in the outline drawing, connected to the crystal element); the chamfer may be located on pin 1, 3 or 4 with no electrical impact.
2 GND power_in Labeled GND in the top view of the outline drawing; connect to ground.
3 XTAL2 passive Crystal terminal 2 (unlabeled in the outline drawing, connected to the crystal element); the chamfer may be located on pin 1, 3 or 4 with no electrical impact.
4 GND power_in Labeled GND in the top view of the outline drawing; connect to ground.

Key specifications

Parameter Value
Manufacturer Abracon LLC
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 range (fundamental mode) 8 54 MHz Operation mode Fundamental 8MHz - 54MHz 1
Operating temperature -20 70 ºC Option B (-20°C ~ +70°C) per part number 1
Storage temperature -55 125 ºC 1
Frequency tolerance @+25°C -20 20 ppm Freq. Tolerance code 2: ±20 ppm 1
Frequency stability over operating temperature (ref. to +25°C) -50 50 ppm Freq. Stability blank: ±50 ppm 1
Equivalent series resistance (ESR), 20.000-29.999 MHz fundamental R1 50 Ω Fundamental, 20.000 - 29.999 MHz 1
Shunt capacitance C0 3 pF 1
Drive level 10 100 µW 1
Aging -2 2 ppm @25°C±3°C, first year 1
Insulation resistance 500 MΩ @ 100Vdc ± 15V 1
Load capacitance CL 18 pF Standard (no load capacitance code in part number) 1

CAD (KiCad official)

  • Symbol: ABM8-28.63636MHZ-B2-T
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: abm8-28-63636mhz-b2-t-etched.step / abm8-28-63636mhz-b2-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); abm8-28-63636mhz-b2-t.step / abm8-28-63636mhz-b2-t.glb are the bare package body.

Provenance

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

  • Datasheet: Abracon LLC datasheet (2 pp, sha256 564ac331d8bf38b4, retrieved 2026-10-14, 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