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ECS-160-16-33B-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-160-16-33B-CKM-TR

ECS · Crystals · SMD3225-4P

ECS-160-16-33B-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 (In/Out); symmetrical with pad 3, so pads 1 and 3 are interchangeable.
2 Gnd power_in Ground pad of the 3.2 x 2.5 x 0.8 mm ceramic package.
3 Out/In passive Crystal terminal (Out/In); symmetrical with pad 1, so pads 1 and 3 are interchangeable.
4 Gnd power_in Ground pad of the 3.2 x 2.5 x 0.8 mm ceramic package; the chamfer on the bottom pad has no electrical significance.

Key specifications

Parameter Value
Manufacturer ECS
Package SMD3225-4P
Category Resonators/Oscillators
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 @ +25°C; code C 1
Frequency Stability -10 10 ppm -20 ~ +70°C; code K, temp range M 1
Aging (First Year) -1 1 ppm @ +25°C ±3°C 1
Equivalent Series Resistance ESR 60 Ω 16.000 ~ 20.999 MHz 1
Drive Level DL 200 μW 1
Operating Temperature Topr -20 70 °C Temp range code M 1
Operating Temperature (ECS-33B family) Topr -40 85 °C Table value for ECS-33B 1
Storage Temperature Tstg -40 125 °C 1
Peak Solder Temperature 260 °C Max 10 sec, 2 cycles max 2
Frequency 16 MHz Nominal, code 160; family range 10.000 ~ 54.000 1
Load Capacitance CL 16 pF Specify in P/N; code 16 1
Shunt Capacitance Co 3 pF 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-160-16-33B-CKM-TR
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: ecs-160-16-33b-ckm-tr-etched.step / ecs-160-16-33b-ckm-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ecs-160-16-33b-ckm-tr.step / ecs-160-16-33b-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 cd8de6f9688a36a2, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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