Product Highlights New Products

New surface mount crystal offers ±2ppm first year aging and ±10ppm stability in 1.6 mm x 1.2 mm package. 

Updated July 2023 Original April 2023 

ECS Inc. International’s newest series of surface mount crystals is the ECX-1247B2. These crystals are available in an industry standard miniature 1.6 mm x 1.2 mm x 0.3 mm 4-pad ceramic package and offer a wide frequency range of 24 MHz to 80 MHz. The available packages offer a 6pF, 8pF or 10pF load capacitance, ±20 ppm tolerance, tight ±10 ppm stability and low ±2ppm first year aging at 25ºC ±3ºC at the standard industrial temperature range of -40ºC to +85ºC. There are a wide variety of temperature range, tolerance and stability options available. 


  • 1.6 mm x 1.2 mm x 0.3 mm 4-pad footprint 
  • Frequency range: 24 MHz ~ 80 MHz 
  • Standard ±20 ppm tolerance with ±7ppm option available 
  • Standard ±10 ppm stability
  • 6pF, 8pF and 10pF load capacitance options
  • Low ±2ppm first year aging @ 25ºC ±3ºC 
  • Standard industrial operating temperature range -40ºC ~ +85ºC 
  • Additional stabilities, tolerances and extended temperature ranges available on request 
  • RoHS and REACH compliant 


  • IoT  
  • Industrial 
  • Wireless 
  • Mobile devices 
  • Wearables 
  • Wi-Fi 
  • Bluetooth 
ImagePart NumberFrequencyFrequency StabilityLoad CapacitanceOperating TemperatureDatasheetInventory
24 MHz±20ppm8 pF-40°C ~ 85°CDatasheetInventory
25 MHz±20ppm8 pF-40°C ~ 85°CDatasheetInventory
32 MHz±10ppm8 pF-20ºC ~ 70ºCDatasheetInventory
ECS-320-6-47B2-CTN-TR32 MHz±20ppm6 pF-40°C ~ 85°CDatasheetInventory
ECS-320-8-47B2-CTN-TR32 MHz±20ppm8 pF-40°C ~ 85°CDatasheetInventory
ECS-384-10-47B2-CKY-TR38.4 MHz±10ppm10 pF-30°C ~ 85°CDatasheetInventory
40 MHz±10ppm6 pF-20ºC ~ 70ºCDatasheetInventory
48 MHz±10ppm8 pF-20ºC ~ 70ºCDatasheetInventory

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

ECX-1247B2 ±2ppm First Year Aging Miniature Crystal  was last modified: December 7th, 2023 by iFocus Marketing