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ECS-320-8-37B-CKY-TR

ECS · Crystals · SMD2016-4P

ECS-320-8-37B-CKY-TR from ECS, in a SMD2016-4P. 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 crystal is symmetrical, so pad 1 and pad 3 are interchangeable and either may be used as input or output.
2 Gnd power_in Ground pad connected to the crystal case, as shown in the datasheet pad connections.
3 Out/In passive Crystal terminal; the crystal is symmetrical, so pad 3 and pad 1 are interchangeable and either may be used as output or input.
4 Gnd power_in Ground pad connected to the crystal case, as shown in the datasheet pad connections.

Key specifications

Parameter Value
Manufacturer ECS
Package SMD2016-4P
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 ppm) -10 10 ppm @ +25°C 1
Frequency Stability (KY option, ±10 ppm) -10 10 ppm -30 ~ +85°C 1
Aging (First Year) -1 1 ppm @ +25°C ±3°C 1
ESR (frequency band 24.000 ~ 39.999 MHz, applies to 32 MHz) ESR 50 Ω Frequency 24.000 ~ 39.999 MHz 1
Shunt Capacitance Co 3 pF 1
Drive Level DL 100 μW 1
Operating Temperature (Y option) Topr -30 85 °C Y option 1
Storage Temperature Tstg -55 125 °C 1
Load Capacitance (nominal for P/N 8) 8 pF Specify in P/N 1

CAD (KiCad official)

  • Symbol: ECS-320-8-37B-CKY-TR
  • Footprint: Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm
  • 3D model: SMD2016-4P (KiCad packages3D, STEP)
  • 3D model files: ecs-320-8-37b-cky-tr-etched.step / ecs-320-8-37b-cky-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ecs-320-8-37b-cky-tr.step / ecs-320-8-37b-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 c3676bf496b29153, retrieved 2026-10-15, 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