Crystals

Tuning Fork Crystals

ECS Inc. offers the world’s smallest quartz tuning fork in the industry in two and four pad offerings. The ECX-1210 and the ECX-1210B have two and four pad offerings.

SMD tuning forks resonating at 32.768 kHz are ideal for wearable, drug delivery devices, and hearing aids. Packages as small as 1.6 x 1.0 mm and low profile options of 0.5 mm are available. Wide temperature ranges are an option up to +105°C. For more product options and information, contact our engineering team at engineering@ecsxtal.com.

Product Description:

  • Frequency 32.768 kHz
  • As Small as 1.2 x 1.0 mm
  • Stabilities as Low as ±10 ppm
  • Wide Temperature Range: -40 ~ 125°C
  • AEC-Q200 Available
  • High Reliability
  • Hermetically Sealed
  • Cost Effective
  • Excellent Aging Characteristics

Applications:

  • Wearables
  • Internet of Things (IoT)
  • Bluetooth
  • Bluetooth Low Energy (BLE)
  • Machine-to-Machine (M2M) Connectivity
  • Ultra Low Power MCU
  • Near Field Communication (NFC)
  • Ultra Low Power
  • Energy Saving MCU

Environmental Data:

  • Storage Temperature Range:      -55° ~ +125°C
  • Solder Reflow Temperature:        J-STD-020D Compliant 
  • Halogen Free
  • Lead Free
  • RoHS Compliant
  • MSL 1

Image Model Info Pkg Code Frequency Size (LWH) mm Operating Temp Load
Capacitance
Unique
Characteristics
Documents
ECX-1210 ECX-1210 1210 32.768 kHz 1.2 x 1.0 x 0.5 -40 ~ +85°C 12.5 pF
9 pF
7 pF
2-Pad SMD

Data Sheet
Inventory
Support Docs

ECX-1210 ECX-1210B 1210B 32.768 kHz 1.2 x 1.0 x 0.35 -20 ~ +70°C
-40 ~ +85°C
-40 ~ +105°C
12.5 pF
9 pF
7 pF
5 pF
4-Pad SMD

Data Sheet
Inventory
Support Docs

ECX-16 ECX-16 16 32.768 kHz 1.6 x 1.0 x 0.5 -40 ~ +85°C 12.5 pF
9 pF
7 pF
5 pF
Low ESR SMD

Data Sheet
Inventory
Support Docs

ECX-12L ECX-12L 12L 32.768 kHz 2.0 x 1.2 x 0.38 -40 ~ +85°C 12.5 pF
9 pF
7 pF
6 pF
Low Height 0.38 mm
SMD

Data Sheet
Inventory
Support Docs

ECX-12 ECX-12 12 32.768 kHz 2.0 x 1.2 x 0.6 -40 ~ +85°C 12.5 pF
9 pF
7 pF
6 pF
 SMD

Data Sheet
Inventory
Support Docs

ECX-12R ECX-12R 12R 32.768 kHz 2.0 x 1.2 x 0.6 -40 ~ +85°C 12.5 pF
9 pF
7 pF
6 pF
Max. ESR 70K Ω
SMD

Data Sheet
Inventory
Support Docs

ECX-12R ECX-12RR
12RR 32.768 kHz 2.0 x 1.2 x 0.6 -40 ~ +85°C 12.5 pF
9 pF
6 pF
Typical ESR 35K Ω
SMD
Data Sheet
Inventory
Support Docs
ECX-12R ECX-12Q 12Q 32.768 kHz 2.0 x 1.2 x 0.55 -40 ~ +125°C 12.5 pF Extended Temp Range
-40 ~ +125°C
Data Sheet
Inventory
Support Docs
ECS-.327-CDX-1082 CDX-1082 12 32.768 kHz 2.0 x 1.2 x 0.6 -40 ~ +85°C 4 pF Typical ESR 60K Ω
SMD

Data Sheet
Inventory
Support Docs

ECX-31B ECX-31B 34B 32.768 kHz 3.2 x 1.5 x 0.9 -40 ~ +85°C 12.5 pF
9 pF
7 pF
SMD

Data Sheet
Inventory
Support Docs

ECX-.327-CDX-1293 CDX-1293 34B 32.768 kHz 3.2 x 1.5 x 0.9 -40 ~ +85°C 12.5 pF Tolerance ±5 ppm
SMD

Data Sheet
Inventory
Support Docs

ECS-.327-CDX-1128 CDX-1128 34B 32.768 kHz 3.2 x 1.5 x 0.9 -40 ~ +85°C 6 pF Typical ESR 55K Ω
SMD

Data Sheet
Inventory
Support Docs

ECX-34G ECX-34G 34G 32.768 kHz 3.2 x 1.5 x 0.9 -40 ~ +85°C 12.5 pF
6 pF

Quality Factor 30K
Low Noise SMD

Data Sheet
Inventory
Support Docs

ECX-34R ECX-34R 34R 32.768 kHz 3.2 x 1.5 x 0.9 -40 ~ +85°C 12.5 pF
9 pF
7 pF
6 pF
Max. ESR 50K Ω
SMD

Data Sheet
Inventory
Support Docs

ECX-34RR ECX-34RR 34RR 32.768 kHz 3.2 x 1.5 x 0.9 -40 ~ +85°C 12.5 pF
9 pF
6 pF
Typical ESR 20K Ω
SMD

Data Sheet
Inventory
Support Docs

ECX-49 ECX-34Q 34Q 32.768 kHz 3.2 x 1.5 x 0.9 -40 ~ +125°C 12.5 pF Extended Temp Range
-40 ~ 125°C
Data Sheet
Inventory
Support Docs
ECX-49 ECX-49 49 32.768 kHz 4.1 x 1.5 x 0.9 -40 ~ +85°C 12.5 pF
9 pF
7 pF
6 pF
SMD

Data Sheet
Inventory
Support Docs

ECX-39 ECX-39 39 32.768 kHz 4.9 x 1.8 x 1.0 -40 ~ +85°C 12.5 pF
9 pF
7 pF
6 pF
SMD

Data Sheet
Inventory
Support Docs

ECS-1X5X ECS-1X5X 14X 32.768 kHz 5.1 x 1.5 x 1.5 -10 ~ +60°C 12.5 pF
8 pF
Thru Hole

Data Sheet
Inventory
Support Docs

ECS-2X6X ECS-2X6X 13X 32.768 kHz 6.2 x 2.1 x 2.1 -10 ~ +60°C 12.5 pF
8 pF
Thru Hole

Data Sheet
Inventory
Support Docs

ECX-71 ECX-71 38 32.768 kHz 7.0 x 1.5 x 1.4 -40 ~ +85°C 12.5 pF
9 pF
7 pF
6 pF
SMD

Data Sheet
Inventory
Support Docs

ECX-306X ECX-306X 17X 32.768 kHz 8.0 x 3.8 x 2.5 -40 ~ +85°C 12.5 pF
6 pF
SMD

Data Sheet
Inventory
Support Docs

ECS-3X8X ECS-3X8X 8X 32.768 kHz 8.2 x 3.1 x 3.1 -10 ~ +60°C 12.5 pF
8 pF
Thru Hole

Data Sheet
Inventory
Support Docs

ECS-31X ECS-31X 13X 20 kHz 8.2 x 3.1 x 3.1 -10 ~ +60°C 12.5 pF Thru Hole

Data Sheet
Inventory
Support Docs

ECS-2X6-FLX ECS-2X6-FLX 13FLX 32.768 kHz 9.1 x 2.5 x 2.1 -40 ~ +85°C 12.5 pF
7 pF
6 pF
SMD

Data Sheet
Inventory
Support Docs

We're Here to Help

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

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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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