产品类别： at206/at308 产品详细信息： 特点： 高稳定的真空密封保证 ，高振动和冲击电阻 频率：32.768千赫 model ju206 ju308 tle="click to check the relevant information of frequency">frequency 32.768 khz tle="click to check the relevant information of frequency">frequency tolerance at 25°c±2°c ±20 ~ ±50ppm operating temp range -10°c ~+60°c-20°c~+70°c temperature coefficient(tle="click to check the relevant information of frequency">frequency) -0.04 ppm ± 0.006 ppm/°c2(typ.) load capacitance 12.5 pf drivel level 1uw~10uw resonance resistance 35 kω (at206) 55 kω (at306) shunt capacitance 5 pf max oscillation mode fundamental soldering condition under 235°c with 5sec (do not heat the package to more than 150°c)