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FSMLF Surface Mount Tuning Fork

Fox Electronics and Digi-Key Offer FSMLF Tuning Fork Crystals

Fox Electronics expands its Tuning Fork Crystal selection with Digi-Key. The FSMLF is initially offered in surface mount packaging and low profile (10.41 X 4.06 mm).

The key features of this series are miniature packages, 3.56mm height, and long term stability. 		Fox Electronics FSMLF
Standard Specifications
Parameters Max
Frequency 32.768 kHz
Frequency Tolerance @ 25°C ±20 PPM
Frequency Stability Temperature Coefficient -0.04 PPM / (Δ°C)2
Temperature Range
  Turnover
  Operating
  Storage 		 
+20°C ~ +30°C
-40°C ~ +85°C
-55°C ~ +125°C
Equivalent Series Resistance 50 kΩ
Load Capacitance 12.5 pF
Insulation Resistance @ 100VDC 500 MΩ Min.
Drive Level 1.0 µW
Aging Per Year ±3 PPM
Termination Finish 100% Sn
Fox Electronics FSMLF DiagramRoHS Compliant

Ordering Information
Digi-Key Part Number Mfg. Part Number Frequency Packaging Operating Mode
631-1206-2-ND FSMLF327 32.768 kHz Tape and Reel Fundamental Datasheet
631-1206-1-ND Cut Tape
631-1206-6-ND Digi-Reel®