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1、SHENZHEN KONUAER ELECTRONICS CO.,LTD 此文档来自：http:/Specification forCeramic ResonatorPart NumberZTA(T)20.0MX1、ScopeThis specification relates to piezoelectric ceramic resonator to be used in a clock generating circuit for microprocessors.2、Part Number: ZTA20.0MX ZTT20.0MX3、Electrical CharacteristicsNo
2、.ItemRequirements1Oscillating Frequency20.000MHz 0.3%2Resonant Resistance400 max3Temperature Stability of Oscillating Frequency(-20 to 80C)0.3%4Rated VoltageDC50Vmax5Maximum Input voltage15Vp-p6Insulation Resistance100M0 min7Operating Temperature-20 to 80 C8Storage Temperature-30 to 85 C9Aging0.3%4、
3、Test Condition and CircuitTest Condition: Temperature, 10C to 30CHumidity, R.H.40% to 80%Oscillating frequency measuring circuit:Figure 1 Other electrical properties with HP 4149A2012.03.053 Pages1 of 310.0ma2. 50. |02. 50.?0Markl: ZTA20.0MXFigure 2 Test CircuitMark2: ZTT20.0MXSpecification forPart
4、NumberCeramic ResonatorZTA(T)20.0MXFigure 1 DimensionsVDD=5.0VIC:1/6TC74HCU04APx 1/2C1=C2=15PF2012.03.053 Pages2of 3Specification forCeramic ResonatorPhysical and Environmental Characteristics4、Part NumberZTA(T)20.0MXHumidity2)High Temperature3)Low Temperature4)Heat Shock5)Random Drop6)Vibration7)So
5、lder Heat8)Solderability9)Terminal StrengthAfter the resonator is placed in a chamber with 90 to 95% R.H. at 40 土 2 C for 100 hours and then is placed in natural condition for 1 hour, the measured values shall meet Table 1. After the resonator is placed in a oven with 855C for 100 measured and then
6、is placed in natural condition for 1 hour, the measured values shall meet Table 1.After the resonator is placed in a oven with -30土 5 C for 100 hours and then is placed in natural condition for 1 hour, the measured values shall meet Table 1.After the heat cycle that the resonator is kept at -30C for
7、 30 minutes and then immediately is placed at 85 C for 30 minutes is repeated 10 times and then the resonator is placed in natural condition for 1 hour, the measured value shall meet Table 1. After the resonator is randomly dropped 3 times on concrete floor from the height of 1m,the measured values
8、shall meet Table 1.After the vibration of amplitude of 1.5mm with varying frequency from 10 to 55 Hz for 10 minutes is applied to the resonator to x,y,z directions,respectively,the measured values shall meet Table 1.After the lead terminals are immersed up to 2mm of the resonator body in soldering b
9、ath of 260土 10C for 10 seconds And then the resonator is placed in natural condition for 1 hour, the measured values shall meet Table 1 and the surface of the case shall not show any visible damage.When lead terminals are immersed in soldering bath of 230土 5 C for 5 seconds, 95% of lead terminals sh
10、all be wetted with solder.After the static load of 1 kg is applied to each terminal in axial direction for 10 seconds,the measured value shall meet Table 1 and the resonator shall not show any visible damage.ItemRequirementsOscillating Frequency0.3%Resonant Resistance30 Q maxTable .Requirements of electrical characteristics with environments2012.03.053 Pages3 of 3
