SAW Resonators (SMD) PARS Series Features How to Order PARS 315.00 K 00 R • Frequency Range 300 to 480MHz • 1 Port Type SMD Resonator • Small Size (5.5×3.8mm) • Low Profile (1.5mm max) • SMT Ceramic Package • High Reliability Sealing • Excellent Temperature Characteristics • +100ppm to −250ppm (−40 to 85°C) q 2.75±0.2 4-R0.15 5.5±0.2 PARS303.00N00R PARS303.33L00R PARS303.82M00R PARS303.87K00R PARS304.30K00R PARS304.45L00R PARS310.00K00R PARS314.00K00R PARS314.50L00R PARS315.00K00R PARS320.65K00R PARS345.00K00R PARS418.00K00R PARS423.22K00R PARS432.92K00R PARS433.42L00R PARS433.92K00R PARS479.50K00R 1.75±0.1 2.0±0.1 4.0±0.1 φ1.5 +0.1 −0 0.3±0.05 3.9±0.1 0.2 max 5.9±0.1 12.0±0.3 3.5±0.1 0.2 max 0.15 1.5 0.15 q : Hot w : GND e : Hot r : GND 8.0±0.1 φ1.55±0.05 1.5 1.0 1.5 1.0 5° max 0.2 max 1.6±0.1 0.2 max 1.5 Specifications Part Number (Unit : mm) 1.5 1.9±0.2 w Packaging 5° max e 3.8±0.2 4-1.0±0.2 4-0.6±0.2 r (Unit : mm) 1.5 1.5 max Recommended Land Pattern 4-1.0±0.2 4-R0.15 q ±100kHz ±75kHz Tolerance 03 04 10≥ tPackageing R : Tape & Reel(2000pcs/Reel) • Garage Openers • Security Systems (Unit : mm) ±250kHz ±200kHz ±150kHz Custom Spec. 00 01 02 11≤ Applications Dimensions ert qSeries wResonant Frequency(MHz) eMarking Code rFreg.tolerance or Custom Spec RoHS Conforming • Keyless Entry Systems Pb Free w Recommended Temperature IR Reflow Resonant Frequency(MHz) 303.000±0.250 303.330±0.250 303.825±0.250 303.875±0.250 304.300±0.250 304.450±0.250 310.000±0.250 314.000±0.250 314.500±0.250 315.000±0.250 320.650±0.250 345.000±0.250 418.000±0.250 423.220±0.250 432.920±0.250 433.420±0.250 433.920±0.250 479.500±0.250 ∗Please contact your local sales office for custom frequency. Resonant Loss(dB) Parallel Capacitance(pF) Temperature Characteristics (ppm/°C) Temp.(˚C) 250 200˚C min. 15sec max. Peak Temp. 230˚C±5˚C 200 4.0max 150 180˚C min. 40 sec max. 100 50 0 0 to 60sec 60 to 120sec Time ±8max 2.5max 3.2max 2.3max