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ECS-320-10-33B-CKM-TR

Public Made by Adom

by adom

ECS Crystals, SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ECS-320-10-33B-CKM-TR

ECS · Crystals · SMD3225-4P

ECS-320-10-33B-CKM-TR from ECS, 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 In/Out passive Crystal terminal labelled In/Out; the crystal is symmetrical and pads 1 and 3 are interchangeable.
2 Gnd power_in Ground connection (Gnd) pad.
3 Out/In passive Crystal terminal labelled Out/In; the crystal is symmetrical and pads 1 and 3 are interchangeable.
4 Gnd power_in Ground connection (Gnd) pad.

Key specifications

Parameter Value
Manufacturer ECS
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 @ +25°C (code C = ±10 ppm) -10 10 ppm @ +25°C 1
Frequency stability (code K = ±10 ppm, temp code M) -10 10 ppm -20 ~ +70°C 1
Aging (first year) -1 1 ppm @ +25°C ±3°C, first year 1
ESR max ESR 40 Ω Frequency 21.000 ~ 54.000 MHz 1
Operating temperature (suffix M) Topr -20 70 °C Temperature code M = -20 ~ +70°C 1
Storage temperature Tstg -40 125 °C 1
Peak solder temperature 260 °C Max 10 sec, 2 cycles max 2
Nominal frequency 32 MHz Part-number code 320 (Developed Frequencies table) 2
Load capacitance CL 10 pF Specified in P/N (code 10) 1
Shunt capacitance Co 3 pF 1
Drive level DL 200 μW 1

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 MSL 1, Lead Finish Au POCKET TAPE DIMENSIONS (mm) 2

CAD (KiCad official)

  • Symbol: ECS-320-10-33B-CKM-TR
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: ecs-320-10-33b-ckm-tr-etched.step / ecs-320-10-33b-ckm-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ecs-320-10-33b-ckm-tr.step / ecs-320-10-33b-ckm-tr.glb are the bare package body.

Provenance

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

  • Datasheet: ECS datasheet (2 pp, sha256 57501bd817a35b83, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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