ECS-245.7-20-28AX-TR ECS Inc

CSM-4AX SMD CRYSTAL The CSM-4AX is an excellent choice for a low cost SMD crystal. The CSM-4AX (28AX) Request a Sample 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 CSM-4AX SMD CRYSTAL PARAMETERS CONDITIONS CSM-4AX UNITS MIN TYP MAX Frequency 3.57 30.000 MHz Fundamental Mode of Oscillation +25C Frequency Tolerance* 30 ppm -10 ~ +70C Frequency Stability* 50 ppm Shunt Capacitance Co 7 pF Load Capacitance Specify in P/N 10 20 Series pF Cost Effective Drive Level DL 500 W Low Profile Operating Temperature* Topr -10 +70 C Industry Standard Footprint Pb Free/RoHS Compliant Storage Temperature Tstg -55 +125 C Aging (First Year) +25C 3C 5 ppm DIMENSIONS (mm) Frequency (MHz) ESR Max. 3.57 ~ 4.999 200 5.000 ~ 5.999 150 6.000 ~ 6.999 100 7.000 ~ 8.999 80 9.000 ~ 12.999 60 13.000 ~ 19.999 40 20.000 ~ 30.000 30 Figure 1) Top, Side, and End Figure 2) Suggested land pattern PART NUMBERING GUIDE: Example ECS-200-20-28AX-TR ECS - FREQUENCY ABBREVIATION LOAD PACKAGE AVAILABLE OPTIONS PACKAGING Tolerance Stability Temp Range CAPACITANCE 20 = 20 pF ECS 200 = 20.000 MHz Blank = Std Blank= Std Blank= Std TR = 28AX = 5.0 mm A = 25 ppm D= 100 ppm L = -10 ~ +70C S = Series See P/N Guide 28ALX = 4.0 mm Tape J = 20 ppm E = 50 ppm M = -20 ~ +70C & Reel R = 15 ppm G = 30 ppm Y = -30 ~ +85C 1K/Reel C = 10 ppm H = 25 ppm N = -40 ~ +85C T = 20 ppm P = -40 ~ +105C * Specify available options in P/N. W = 15 ppm S = -40 ~ +125C Contact ECS for availability over extended temp range. Rev.2017 K = 10 ppm U = -55 ~ +125C th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com CSM-4AX SMD CRYSTAL POCKET TAPE DIMENSIONS (mm) DEVELOPED FREQUENCIES SOLDER PROFILE Abbreviation Frequency (MHZ) Peak solder Temp +260C Max 10 sec Max. 036 3.6864 2 Cycles Max. 040 4.000 MSL 1, Lead Finish Ag 060 6.000 073 7.3728 080 8.000 100 10.000 110.5 11.0592 120 12.000 122.8 12.288 143 14.31818 147.4 14.7456 160 16.000 184 18.432 200 20.000 240 24.000 250 25.000 Figure 1) Suggested Reflow Profile th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com