The LR433T2 is a true one-port, surface-acoustic-wave (SAW) resonator in low-profile SMD case. It provides reliable, fundamental-mode. quartz frequency stabilization of fixed-frequency transmitters operating at 433.92 MHz. The LR433T2 is designed specifically for remote-controls and wireless security transmitters. Operating in the Europe underETS11-ETS 300 220 and in Germany under FTZ 17 TR 2100.Absolute Maximum RatingsRatingValueUnitsCW RF Power Dissipation (See Typical Test Circuit)+0dBmDC Voltage Between Any Two Pins (Observe ESD Precautions)±30VDCCase Temperature-40 to +85ºCElectrical CharacteristicsCharacteristicsSymNotesMinimumTypicalMaximumUnitsCenter Frequency (+25ºC) Absolute Frequency
Tolerance from 433.920MHzfc
2,3,4,5433.845433.995MHzΔfc±75KHzInsertion LossIL2,5,61.52.0dBQuality Factor Unloaded Q
50Ωloaded QQU
5,6,712.800QL2.000Temperature Stability Turnover Temperature
Turnover Frequency
Frequency Temperature CoefficientTO5,7,8243954ºCfOfc+2.7KHzFTC0.037ppm/ºC2Frequency Aging Absolute Value during the First YearIfAI1<=10ppm/yτDC Insulation Resistance between Any Two Pins51.0MΩRF Equivalent RLC Model Motional Resistance
Motional Inductance
Motional Capacitance
Pin 1 to Pin 2 Static CapacitanceRM
5,7,91826ΩLM86.0075μHCM1.56417pFCO5,6,91.72.02.3pF Transducer Static CapacitanceCP5,6,7,91.7pFTest Fixture Shunt InductanceLTEST2,778nHLid Symbolization (in Addition to Lot and/or Date CodeLR433T2CAUTION: electrostatic Sensitive Device, Observe precautions for handling.