come visit our site http://www.txccorp.com SMD Glass Sealing Crystals 5.0 x 3.2 x 1.2 mm 7A Series Quartz Crystals Series Think of Frequency Think of Features 2 pads SMD glass sealed crystal units. 4.3 1 TXC U 29 H High reliable environmental performance. Tight tolerance and stability parts are available. Designed for automatic mounting and reflow soldering. Reasonable cost and good delivery performance. The best choice of portable PC, PDA, DSC, and USB interface card. Contains Pb in sealing glass exempted by RoHS directive. Item / Type 7A Frequency Range 8 ~ 80 MHz Frequency Tolerance (at 25 ) 30 ppm, or specify Frequency Stability Over Operating Temperature Range 30 ppm, or specify Operating Temperature Range -10 ~ +70 , or specify Shunt Capacitance (C0) 5 pF Max. Drive Level 1 ~ 200 W (100 W typical) Load Capacitance Series, 6 pF, 10 pF, 16 pF, 20 pF, or specify Aging (at 25 ) 3 ppm / year Max. Storage Temperature Range - 40 ~ + 85 Remark : Specification subject to change without prior notice. Please confirm with our sales. http://www.txccorp.com Electrical Specifications Equivalent Series Resistance(ESR) Fundamental 8 ~ 12 MHz 80 Max. 12 ~ 54 MHz 50 Max. 3rd Overtone 40 ~ 80 MHz 100 Max. Dimensions Units: mm 11