SAW Resonator
SCQ¡õ¡õ¡õ¡õ Series (200.0MHz-800.0MHz)
  • One-Port
  • Quartz Stability
  • Rugged, Hermetic, Low-Profile TO39 Case (F11 Case also Available)
¡ñDIMENSIONS
¡ñELEDTRICAL CHARACTERISTICS
Characteristics Symbol Unit Part number
SCQ303.825 SCQ315.000 SCQ418.000 SCQ433.920
Center
Frequency
(¡À25¡æ)
Absolute Frequency fc MHz 303.825 315.000 418.000 433.920
Tolerance from fc ¡÷fc KHz ¡À100 ¡À75 ¡À75 ¡À75
Insertion Loss IL dB 2.0max 2.0max 2.0max 2.0max
Quality
Factor
Unloaded Q Qu -- 13900 13900 12100 12100
50¦¸ Loaded Q Ql -- 2500 2500 2500 2500
Temperature
Stability
Turnover Temperature To ¡æ 10¡«40 10¡«40 10¡«40 10¡«40
Turnover Frequency fo KHz fc fc fc+1.3 fc+2.7
Frequency Temperature Coefficient FTC ppm/¡æ² 0.037 0.037 0.037 0.037
Frequency Aging Absolute Value
during the 1st Year
/fa/ ppm/yr ¡Ü10 ¡Ü10 ¡Ü10 ¡Ü10
DC Insulation Resistance between Any Two Pins -- M¦¸ 1.0min. 1.0min. 1.0min. 1.0min.
RF
Equivalent
RCL Model
Motional Resistance Rm ¦¸ 19¡«26 19¡«26 20¡«26 18¡«26
Motional Inductance Lm ¦ÌH 133.811 133.811 91.0109 86.0075
Motional Capacitance Cm fF 2.0507 2.0507 1.59292 1.56417
Pin1 to Pin2 Static Capacitance Co pF 2.1¡«2.7 1.5¡«2.5 1.7¡«2.3 1.5¡«2.1
Transducer Static Capacitance Cp pF 1.9 2.2 1.5 1.5
¡ñProducts for other toleracnce ranges are also available.
¡ñTEST CIRCUIT