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ECX-49 32.768 kHz Quartz Crystal

ECX-49 32.768 kHz SMD quartz crystal is RoHS and REACH compliant.

The ECX-49 compact SMD 32.768 kHz crystal offers low 70 kΩ maximum. The industry standard 4.1 x 1.5 x 0.9 mm (LWH) ceramic package is ideal for IoT applications. The standard version has a frequency tolerance of ±20 ppm at +25°C, and the C version offers a ±10 ppm tolerance at +25°C. The available load capacitance is 6 pF, 7 pF, 9 pF, or 12.5 pF with an operating temperature of -40°C ~ +85°C.


  • 4.1 x 1.5 mm 
  • Extended Temperature Range
  • RoHS 2 and REACH compliant


  • MSL 1
  • Lead finish Au


  • IoT
  • RTC
  • Industrial 


  • Wireless devices
  • Microprocessors requiring low ESR
  • Low power RTC applications
Image Part Number Frequency Frequency
Datasheet Check
ECS .327 CDX 1082 ECS-.327-12.5-49-TR 32.768 kHz ±20ppm Datasheet Inventory

Please contact us if you need additional information or have a specific requirement in your application.

ECS, Inc. International
15351 West 109th Street
Lenexa, KS 66219

Tel: 913-782-7787
Toll Free: 1-800-237-1041
Fax: 913-782-6991

About ECS

Founded in 1980, ECS Inc. International has grown to become one of the most recognized and experienced manufacturers of frequency control management products in the world.
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15351 West 109th Street, Lenexa, KS 66219
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