LGER550

SAW Resonator LGER550 The LGER550 is a true one-port， surface-acoustic-wave (SAW) resonator in a surface-mount ceramic QCC8C case. It provides reliable ， fundamental-mode ， quartz frequency stabilization of fixed-frequency transmitters operating at 433.920 MHz. 1.Package Dimension (QCC8C) Pin Pin 21 62 4,8 3 1,3,5,7 Sign A B C D Connection Connection Input / Output Terminal1 Output / Input Terminal2 Case Ground Case Ground Empty Sign E F G H Data(unit:mm) 1.20 1.35 5.00 5.00 Data (unit: mm) 2.08 0.60 1.27 2.54 2.Marking 3.Equivalent LC Model and Test Circuit LGER550 Color: Black or Blue 4.Typical Application Circuit 1) Telecontrol Circuitry 2) Local Oscillator Application 5.Typical Frequency Response 6.Temperature Characteristics Free Datasheet http://www.datasheet4u.com/ SAW Resonator 7.Performance 7-1.Maximum Ratings Rating CW RF Power Dissipation DC Voltage Between Any Two Pins Case Temperature Soldering Temperature LGER550 Value +10 ±30V -40 to +85 +235 Units dBm VDC ℃ ℃ 7-2.Electronic Characteristics Characteristic Center Frequency (+25℃) Insertion Loss Unloaded Q Quality Factor 50 Ω Loaded Q Turnover Temperature Temperature Stability Turnover Frequency Frequency Temperature Coefficient Frequency Aging Absolute Value during the First Year Absolute Frequency Tolerance from 433.920 MHz Sym fC ∆fC IL QU QL TO fO FTC |fA| Minimum 433.845 Typical Maximum 433.995 Units MHz kHz ±75 1.3 10,500 1,450 25 40 fc 0.037 ≤10 1.0 55 2.0 dB ℃ kHz ppm/℃2 ppm/yr MΩ ...