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FEATURES

VT Series (VT-120-F) Quartz Crystal units for Low Frequencies

  • Compact tubular package.
  • Photolithographic process.
  • Excellent shock resistance and environmental characteristics.
  • Complies with RoHS directive
  • Complete Pb-free.

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SPECIFICATIONS

Item Symbol Specifications
Nominal Frequency f_nom 32.768kHz
Frequency Tolerance f_tol ±5 x 10-6,
±10 x 10-6,
±20 x 10-6
Turnover Temperature Ti +25±5ºC
Parabolic Coefficient B (−0.035±10%) x
10-6/ºC2
Load Capacitance CL 6.0pF, 7pF,9pF, 12.5pF
Motional Resistance(ESR) R1 50kΩ max.
Absolute Maximum Drive Level DLmax. 1.0μW
Drive Level DL 0.1μW
Shunt Capacitance 0 0.8pF typ.
Frequency Ageing f_age ±3 x 10-6
Operating Temperature T_use −20ºC to +60ºC
Storage Temperature T_stg −30ºC to +70ºC