Model XT57C Vishay Dale Quartz Crystals Surface Mount 9.8304MHz to 84.0MHz FEATURES • Miniature package. • Economical cost. STANDARD SPECIFICATIONS EQUIVALENT SERIES RESISTANCE FREQUENCY RANGE (MHz) MODE OF VIBRATION ESR MAX. (Ohms) 9.8304 - 16.0 Fundamental 60 16.001 - 40.0 Fundamental 40 40.001 - 84.0 3rd Overtone 60 Operating Temperature Range: - 10°C to + 60°C. Frequency Range: 9.8304MHz to 84.0MHz. Frequency Tolerance: ± 30PPM @ + 25°C (typical). Temperature Stability: ± 30PPM (typical). Storage Temperature: - 40°C to + 85°C. Load: 12 to 32pF or series resonant. Drive Level: 0.1mW maximum. Shunt Capacitance: 7pF maximum. Tape and Reel: 1000 pieces. DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters] Recommended Solder Pad Layout .276 ± .008 [7.0 ± 0.2] .047 [1.2] 4 3 1 2 .197 ± .008 [5.0 ± 0.2] .047 [1.2] 1 2 .100 [2.54] .039 [1.0] .055 [1.4] .100 [2.5] 3 4 Metal Cover .087 [2.2] .252 [6.4] .047 ± .004 [1.2 ± 0.1] HOW TO ORDER XT57C MODEL - 20 LOAD 25M FREQUENCY/MHZ Blank = Series - 20 = 20pF Standard - 32 = 32pF - 16 = 16pF www.vishay.com 16 Document Number 35013 Revision 05-Jan-00