Go to top of page


SCX Series (SC-20S) SMD Type Quartz Crystal

  • Suitable for Microcontroller with Low ESR (R1=50kΩ max.).
  • SMD type suitable for high density surface mounting.
  • Excellent shock and heat resistance.
  • Pb-free.
  • Complies with EU RoHS directive
  • Built-in crystal resonator processed by high reliable
    photo-lithographic technology.

Go to top of page


Item Symbol Specifications
Nominal Frequency f_nom 32.768kHz
Frequency Tolerance f_tol ±20 x 10-6

※Please contact us for inquiries regarding available tolerance.

Turnover Temperature Ti +25±5ºC
Parabolic Coefficient B (−0.030±10%) x 10-6/ºC2
Load Capacitance CL 6.0pF, 7.0pF, 9.0pF, 12.5pF

※Please contact us for inquiries regarding available CL.

Motional Resistance(ESR) R1 50kΩ Max.(−40ºC to +85ºC)
Absolute Maximum Drive Level DLmax. 1.0μW Max.
Drive Level DL 0.1μW typ.
Shunt Capacitance 0 1.5pF typ.
Frequency Ageing f_age ±5 x 10-6/Year
Operating Temperature T_use −40ºC to +85ºC
Storage Temperature T_stg −55ºC to +125ºC