Quartz Crystal Units 42SMX STANDARD SMD CRYSTALS STANDARD SPECIFICATIONS 1. Package type 2. Frequency range 3. Frequency tolerance 4. Temperature stability (referred to ＋25˚C) 5. Load capacitance (CL) 6. Shunt capacitance (Co) 7. Drive level (P) 8. Aging 9. Cut/Oscillation mode 10. Reflow condition XTAL Actual Size 42SMX STANDARD FREQUENCIES 42SMX 12.000 MHz to 50.000 MHz ±50 ppm at ＋25˚C ±3˚C ±50 ppm over -20˚C to ＋70˚C 12 pF, Typical 5 pF max. 100μW max. (10μW for testing) ±5 ppm max. at ＋25˚C ±3˚C per year AT-Cut/Fundamental 10 seconds max. at ＋250˚C±10˚C 42SMX 4.0±0.2 PART NUMBERING GUIDE #3 42 M 120 − 12 2.5±0.2 #4 Package type Circuit calibration condition #2 0.6±0.1 #1 0.9 2.0 0.9 #2 #4 #3 EXAMPLE SMI PART NO. Package Circuit Calibration Condition Frequency 42M120-12 42 = 42SMX M = Parallel resonance CL = 12 pF 120 = 12.000 MHz 42S240 42 = 42SMX S = Series resonance 240 = 24.000 MHz <Top View> 0.1 #4 #3 #1 #2 0.1 0.8 0.7 0.8 #1 Load capacitance (CL) Frequency designator (#2 & #4 : Grounded to metal lid) PACKAGE DATA AT-CUT -60 -40 -20 Package Item ppm +80 +60 +40 +20 0 △f/f -20 -40 -60 -80 -100 42SMX Lid Metal Base Ceramic Sealing Seam Terminal Tungsten (metalized) Terminal plating Gold / Nickel (surface) / (under) RoHS Compliant (Pb-free) 0 +20 +40 +60 +80 +100゜ C TYPICAL TEMPERATURE CHARACTERISTICS SOLDERING PATTERN 1.6 1.4 12.000000 12.600000 13.000000 13.560000 14.000000 14.318180 14.400000 14.745600 15.360000 16.000000 16.384000 19.200000 19.440000 19.680000 20.000000 24.000000 24.576000 25.000000 25.200000 26.000000 27.000000 32.000000 32.768000 39.000000 40.000000 50.000000 FREQUENCY DESIGNATOR 120 126 130 1356 140 143 144 147 153 160 163 192 194 1968 200 240 245 250 252 260 270 320 32768 390 400 500 MAX EQUIVALENT SERIES RESISTANCE OHMS(Ω) ESR 80 80 80 60 60 60 60 60 60 60 50 50 50 50 50 40 40 40 40 40 40 40 40 40 40 40 1.15 TAPE SPECIFICATIONS 4.0±0.1 2.0±0.1 L 1.75±0.1 3.0 A D φ1.5 +-0.1 0 C 1.6 0.45 1.15 1.4 FREQUENCY MHz XTAL 42SMX J B M A B C D F J F L M Reel Dia. Qty/Reel 3000pcs 180 (1000pcs) 4.4 2.9 12.0 5.5 4.0 1.5 0.3 0.8 20 21