ZTT20.0MX Ceramic Resonato 1. SCOPE This specification shall cover the characteristics of the ceramic resonator with the type ZTT20.0MX. 2. PART NO.: PART NUMBER CUSTOMER PART NO SPECIFICATION NO ZTT20.0MX 3. OUTLINE DRAWING AND DIMENSIONS: 3.1 Appearance: No visible damage and dirt. 3.2 Construction: Leads are soldered on electrode and body is molded by resin. 3.3 Dimensions: 20.0 UNIT：mm SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 1 ZTT20.0MX Ceramic Resonator 4. ELECTRICAL SPECIFICATIONS: Oscillation Frequency Fosc（MHz） 20.00 Frequency Accuracy （%） ±0.5 Resonant Impedance 40 Ro（Ω）max Temperature Coefficient of Oscillation Frequency （%）max ±0.3 （Oscillation Frequency drift， -25℃～+85℃） Aging Rate （%）max ±0.5 （For Ten Years） Rating Voltage 6VDC 15Vp-p UR（V）max Insulation Resistance Ri,（MΩ）min 100 （100V，1min） Withstanding Voltage 50VDC，1min 5. MEASUREMENT: 5.1 Measurement Conditions: Parts shall be measured under a condition ( Temp.： 20±15℃,Humidity ：65±20% R.H.) unless the standard condition(Temp.： 25±3℃,Humidity ：65±5% R.H.) is regulated to measure. 5.2 Test Circuit: IC：1/6TC74HCU04×2 X：CERAMIC RESONATOR C1 C2：15pF±20% SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 2 ZTT20.0MX Ceramic Resonator 6. PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS No 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 Performance Requirements Humidity Subject the resonator at +40 ± 2 ℃ and It shall fulfill the 90%-95% R.H. for 500 hours, resonator shall specifications in be measured after being placed in natural Table 1. conditions for 1 hour. High Subject the resonator to +85±5℃ for 500 It shall fulfill the Temperature hours, resonator shall be measured after being specifications in Exposure placed in natural conditions for 1 hour. Table 1. Low Subject the resonator to –25±5℃ for 500 It shall fulfill the Temperature hours, resonator shall be measured after being specifications in Exposure placed in natural conditions for 1 hour. Table 1. Temperature Subject the resonator to －25℃ for 30 min. It shall fulfill the Cycling followed by a high temperature of ＋85℃ specifications in for 30 min. Cycling shall be repeated 5 times. Table 1. Resonator shall be measured after being placed in natural conditions for 1 hour. Vibration Subject the resonator to vibration for 2 hours It shall fulfill the each in x y and z axis with the amplitude of specifications in 1.5mm, the frequency shall be varied Table 1. uniformly between the limits of 10Hz-55Hz and then resonator shall be measured. Mechanical Resonator shall be measured after 3 times' No visible Shock random dropping from the height of 100cm damage and it on concrete floor. shall fulfill the specifications in Table 1. Resistance to Lead terminals are immersed up to 2 mm It shall fulfill the Soldering from resonator’s body in soldering bath of specifications in Heat 260 ± 5 ℃ for 5 ± 1 seconds and then Table 1. resonator shall be measured after being placed in natural conditions for 1 hour Solderability Lead terminals are immersed up to 2mm from More than 95% resonator’s body in soldering bath of 235±5 of the terminal ℃ for 2±0.5 sec. surface of the resonator shall be covered with fresh solder. Item Condition of Test SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 3 ZTT20.0MX Ceramic Resonator 6. PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS (Continued from the preceding page) No Item 6.9 Terminal Strength 6.9.1 Terminal Pulling 6.9.2 Terminal Bending Performance Requirements No visible damage Force of 5N is applied to each lead in axial and it shall fulfill direction for 10±1 sec. the specifications When force of 5N is applied to each lead in in Table 1. axial direction,the lead shall folded up 90° from the axial direction and folded back to the axial direction. The speed of folding shall be each 3 seconds. Condition of Test Table 1 Item Oscillation Frequency Change Δfosc/fosc （%）max Resonant Impedance Ro（Ω）max Specification after test ±0.3（Refer to the initial value） 30 Note ： The limits in the above table are referenced to the initial measurements. 7. REVIEW OF SPECIFICATIONS When something gets doubtful with this specifications, we shall jointly work to get an agreement. SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 4