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ECS-192-7-36B-CKY-TR

ECS · Crystals · SMD2520-4P

ECS-192-7-36B-CKY-TR from ECS, in a SMD2520-4P. 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; the datasheet states that the crystal is symmetrical and pads 1 and 3 are interchangeable.
2 Gnd power_in Ground pad connected to the crystal case, per the datasheet pad connection table.
3 Out/In passive Crystal terminal; the datasheet states that pads 1 and 3 are interchangeable and the chamfer on the bottom pad has no electrical significance.
4 Gnd power_in Ground pad connected to the crystal case, per the datasheet pad connection table.

Key specifications

Parameter Value
Manufacturer ECS
Package SMD2520-4P
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 (C option) -10 10 ppm @ +25°C (C option) 1
Frequency Stability (KY option) -10 10 ppm -30 ~ +85°C (KY option) 1
Aging (First Year) -1 1 ppm @ +25°C ±3°C, first year 1
Operating Temperature Topr -30 85 °C (Y option) 1
Storage Temperature Tstg -55 125 °C 1
Equivalent Series Resistance (ESR) ESR 70 Ω Frequency 16.000 ~ 19.999 MHz band (ESR Ω Max.) 1
Shunt Capacitance Co 3 pF 1
Drive Level DL 100 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-192-7-36B-CKY-TR
  • Footprint: Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm
  • 3D model: SMD2520-4P (KiCad packages3D, STEP)
  • 3D model files: ecs-192-7-36b-cky-tr-etched.step / ecs-192-7-36b-cky-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ecs-192-7-36b-cky-tr.step / ecs-192-7-36b-cky-tr.glb are the bare package body.

Provenance

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

  • Datasheet: ECS datasheet (2 pp, sha256 8303c5c0c3742c35, 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