Cal Crystal Lab, Inc. / Comclok, Inc. 800-333-9825 1156 North Gilbert Street * Anaheim, CA 92801 PLASTIC PACKAGE AT-STRIP SURFACE MOUNT CRYSTALS MODEL Model SM4 Frequency Range 3.5MHz ~ 70.0 MHz Oscillation Mode 3.5MHz ~ 30MHz (AT Fundamental) 30MHz ~ 70MHz (3rd Overtone) Frequency Tolerance @ 25oC 50ppm Optional Tolerances Available Frequency Stability 100ppm over 0 C to +70 C Optional Tolerances Available Operating Temperature Range 0oC ~ +70oC Standard, Optional Temperature Ranges Available Storage Temperature Range -55oC ~ +125oC Equivalent Series Resistance Resistance Specifications Below (See Chart Below) Load Capacitance 20pF, Custom CL and Series resonant available Shunt Capacitance 7pF Max Drive Level 50Watts to 100Watts (100Watts Correlation) Insulation Resistance 500 megohms Min Aging for first year 5ppm Max Reflow Soldering Condition 10 Seconds Max at +235oC 5oC DIMENSIONS (mm) SM4 o o Recommended Soldering Pattern Frequency 3.5MHz+ 4.0MHz+ 5.0MHz+ 6.0MHz+ 7.0MHz+ 9.0MHz+ 13.0MHz+ 20.0MHz+ 35.0MHz+ Terminals (#2 & #3 N.C.) 1,000 pcs. per reel (330mm dia.) 7 Equivalent Series Resistance 200 Max 150 Max 120 Max 100 Max 80 Max 60 Max 40 Max 30 Max 100 Max Oscillation Mode Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental 3rd Overtone