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ECS-250-8-33B-CTN-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-250-8-33B-CTN-TR

ECS · Crystals · SMD3225-4P

ECS-250-8-33B-CTN-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, interchangeable with pad 3 as the datasheet states the crystal is symmetrical; no electrical limits are given for this pad.
2 Gnd power_in Ground connection as specified in the Pad Connections table; no voltage or current limit is stated for this pad.
3 Out/In passive Crystal terminal labelled Out/In, interchangeable with pad 1 as the datasheet states; no electrical limits are given for this pad.
4 Gnd power_in Ground connection as specified in the Pad Connections table; no voltage or current limit is stated for this pad.

Key specifications

Parameter Value
Manufacturer ECS
Package SMD3225-4P
Category Crystal Oscillator/Oscillator/Resonator
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 25 MHz Nominal frequency for this MPN (250 = 25.000 MHz) 1
Frequency Tolerance -10 10 ppm @ +25°C (code C = ±10 ppm) 1
Frequency Stability -20 20 ppm -40 ~ +85°C (code T = ±20 ppm, decoded from part numbering) 1
Aging (First Year) -1 1 ppm @ +25°C ±3°C 1
Equivalent Series Resistance ESR 40 Ω Frequency 21.000 ~ 54.000 MHz (Max.) 1
Shunt Capacitance Co 3 pF 1
Load Capacitance CL 8 pF Specified in P/N (8 = 8 pF) 1
Drive Level DL 200 μW 1
Operating Temperature Topr -40 85 °C 1
Storage Temperature Tstg -40 125 °C 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-250-8-33B-CTN-TR
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: ecs-250-8-33b-ctn-tr-etched.step / ecs-250-8-33b-ctn-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ecs-250-8-33b-ctn-tr.step / ecs-250-8-33b-ctn-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 2026-10-28, 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