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SSP-T Series (SSP-T7-F) Surface Mount Type for Low Frequencies

  • Thin type with height 1.4mm Max.
  • SMD type suitable for automatic & high density surface mounting.
  • Plastic mold package containing highly reliable tubular type quartz crystal.
  • Excellent shock and heat resistance.
  • Halogen free
  • Complies with EU RoHS directive

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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 7.0pF , 9pF, 12.5pF
Motional Resistance(ESR) R1 65kΩ max.
Absolute Maximum Drive Level DLmax. 1.0μW
Drive Level DL 0.1μW
Shunt Capacitance 0 0.9pF typ.
Frequency Ageing f_age ±3 x 10-6
Operating Temperature T_use −40ºC to +85ºC
Storage Temperature T_stg −55ºC to +125ºC