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| Datasheet File OCR Text: |
| saw resonators (smd) pars series features 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) applications keyless entry systems garage openers security systems how to order pars 315.00 k 00 r q series w resonant frequency(mhz) e marking code r freg.tolerance or custom spec t packageing r : tape & reel(2000pcs/reel) w q e r t dimensions specifications (unit : mm) recommended land pattern (unit : mm) 00 250khz 03 100khz 01 200khz 04 75khz 02 150khz 10 tolerance 11 custom spec. 1.5 max 4-r0.15 4-r0.15 4-1.0 0.2 2.75 0.2 5.5 0.2 3.8 0.2 4-1.0 0.2 4-0.6 0.2 1.9 0.2 1.5 1.0 1.5 1.0 1.5 1.5 1.5 0.15 0.15 1.5 ? please contact your local sales office for custom frequency. part number resonant resonant parallel frequency(mhz) loss(db) capacitance(pf) pars303.00n00r 303.000 0.250 pars303.33l00r 303.330 0.250 pars303.82m00r 303.825 0.250 pars303.87k00r 303.875 0.250 4.0max pars304.30k00r 304.300 0.250 pars304.45l00r 304.450 0.250 pars310.00k00r 310.000 0.250 pars314.00k00r 314.000 0.250 pars314.50l00r 314.500 0.250 2.5max 8max pars315.00k00r 315.000 0.250 pars320.65k00r 320.650 0.250 pars345.00k00r 345.000 0.250 3.2max pars418.00k00r 418.000 0.250 pars423.22k00r 423.220 0.250 pars432.92k00r 432.920 0.250 pars433.42l00r 433.420 0.250 pars433.92k00r 433.920 0.250 pars479.50k00r 479.500 0.250 2.3max temperature characteristics (ppm/ c) packaging (unit : mm) 1.55 0.05 8.0 0.1 2.0 0.1 4.0 0.1 3.9 0.1 3.5 0.1 5.9 0.1 12.0 0.3 1.75 0.1 1.6 0.1 0.3 0.05 0.2 max 0.2 max 0.2 max 0.2 max 5 max 5 max 1.5 + 0.1 ? 0 q : hot w : gnd e : hot r : gnd w r q e recommended temperature ir reflow 0 50 100 150 200 250 temp.(?c) 200?c min. 15sec max. peak temp. 230?c 5?c 180?c min. 40 sec max. time pb free rohs conforming 0 to 60sec 60 to 120sec
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