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