CSM-4AX Cost effective Low profile Industry Standard Footprint Pb Free/RoHS Compliant MSL 1 SMD Quartz Crystal The CSM-4AX is an excellent choice for a low cost SMD crystal. The CSM-4AX (28AX) has a case height of 5.0 mm Max. in a resistance weld metal package. Lower profile package height of 4.0 mm Max. is available with the (28ALX) package. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Frequency Range Frequency Tolerance Frequency Stability Shunt Capacitance Load Capacitance (CL) Drive Level Operating Temperature Storage Temperature Aging (Per Year) CSM-4AX CONDITIONS MIN fo at +25C Standard -10 to +70C Co Specify in P/N TYP MAX 20 70.00 30 50 7 Series 500 +70 +125 5 3.57 10 -10 -55 @ +25C 3C UNITS MHz ppm ppm pF pF W C C ppm EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION FREQUENCY RANGE (MHz) MODE OF OSC MAX ESR FREQUENCY RANGE (MHz) MODE OF OSC MAX ESR 3.57 ~ 4.999 Fundamental 200 9.000 ~ 12.999 Fundamental 60 5.000 ~ 5.999 Fundamental 150 13.000 ~ 19.999 Fundamental 40 6.000 ~ 6.999 Fundamental 100 20.000 ~ 30.000 Fundamental 30 7.000 ~ 8.999 Fundamental 80 27.000 ~ 80.000 3rd Overtone 100 PACKAGE DIMENSIONS (mm) Height "H" MAX -28AX -5.0 mm -28ALX -4.0 mm Figure 2) Crystal Connectrions Figure 3) Land Pattern Figure 1) Top, Side, Bottom and End views PART NUMBERING GUIDE: Example ECS-200-20-28AX-TR ECS - Frequency Abbreviation - Load Capacitance 200 = 20.000 MHz See P/N Guide 1105 South Ridgeview Road 20 =20 pF S=Series z Custom Options - Package Tolerance *Stability 28AX = 5.0 mm 28ALX= 4.0 mm A= 25 ppm J= 20 ppm R= 15 ppm C= 10 ppm D= 100 ppm E= 50 ppm G= 30 ppm H= 25 ppm T= 20 ppm W= 15 ppm K= 10 ppm Olathe, KS 66062 z Phone: 913.782.7787 z Temperature M= -20 ~ +70C N= -40 ~ +85C P= -40 ~ +105C S= -40 ~ +125C U= -55 ~ +125C Fax: 913.782.6991 z - Packaging TR= Tape & Reel 1K/Reel www.ecsxtal.com