http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 1 1. scope this specification shall c over the characteristics of the ceramic resonator with 720 khz 2. specification no. : 3. part no. : ztb 720 j 4. electrical specification 4.1 oscillation frequency (fosc) : 720 khz 0.5% 4.2 resonant impedance(ro) : 50 ? max. 4.3 capacitance (co) : 75pf20% 4.4 temperature characteristics of oscillation frequency : 0.3%max. (-20 to+80 ) 4.5 rated voltage : 50 vdc max. 4.6 maximum input voltage : 15 vp-p 4.7 insulation resistance : 1000m ? min. 5. environmental specification : 5.1 lead pull : 1kg load terminal direction min. 5.2 vibration : 600-3300rpm.1.5mm.x.y .z axes.1h each min. 5.3 shock : random drop,30cm high concrete floor 5.4 solderability : di pping terminals into molten solder at 2305 at 50.5 sec. 5.5 resistance to soldering heat : dippi ng lead terminals no close than 2mm from the sn 350 10 3 sec. after 1h to test. 5.6 heat resistance : keep in 402 temp 90%humidity for 100h after 1h to test. 5.7 operation tempeature : -20 to+80 5.8 storage temperature : -40 to+85 5.9 aging rate :fosc 0.5%max.
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 2 6. dimensions (mm) mark: ZTB720J 7. test circuit w=5.1mm t=2.2mm h=6.3 mm s=2.5mm l=4.0mm
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