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MC-306

Fixed frequency: 32.768KHz
Dimensions: 8.0*3.8mm (8038)
Package: 3000 pieces/Reel
PN: Q13MC3061000300, Q13MC3061000400
PN: MC-306 32.7680KA-A, MC-306 32.7680KA-AG
Applications: Clock and Microcomputer
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Parameter Table
 
Item Symbol Specifications Condition/Remarks
MC-306 MC-306 TYPE
Nominal frequency range f_nom 32.768kHz 20kHz to 120kHz Please contact us regarding available frequencies
 Storage temperature  T_stg -55°C to +125°C Store as bare product.
Operating temperature T_use -40°C to +85°C  
Level of drive DL 1.0µW Max.  
Frequency tolerance (standard) f_tol ±20 × 10-6, ±50 × 10-6 ±50 × 10-6, ±100 × 10-6 +25°C, DL=0.1µW
Turnover temperature Ti +25°C ±5°C  
Parabolic coefficient B -0.04 × 10-6/ °C2 Max.  
Load capacitance CL 6pF to ∞ (standard :12.5pF) Please specify
Motional resistance (ESR) R1 50kΩ Max. As per below table  
Motional capacitance C1 1.8fF Typ. 4.0fF to 0.6fF  
Shunt capacitance C0 0.9pF Typ. 2.0pF to 0.6pF  
Frequency aging f_age ±3 ×10-6 / year Max. ±5 ×10-6 / year Max. +25°C, First year


 

MC-306 TYPE Motional resistance (ESR)

 
  Frequency     20kHz≤f_nom
<31.2kHz  		   31.2kHz≤f_nom
<40kHz  		   40kHz≤f_nom
<90kHz  		   90kHz≤f_nom
<120kHz  
Motional
resistance		 55kΩ Max. 35kΩ Max. 20kΩ Max. 12kΩ Max.
 

External dimensions



(Unit: mm)
 

Footprint (Recommended)



(Unit: mm)