http://www.shoulder.cn shoulder electronics co., ltd. shoulder electronics co., ltd. crystal resonator data sheet product ? : crystal resonator model no : ZM206 prepared : fengyu checked : york approved ? : date : 2007-01-25
1. scope this specification shall cover the characteristics of crystal unit with p/n: ZM206 2. electrical specification item specification holder type 8x3.8x2.5mm nominal frequency 30.000 - 200.000 khz load capacitance 12.5pf freq uency tolerance (25 ??? 2 ?? ) ? 20ppm ? 3 0 ? 5 0 equivalent series resistance 40k |? max drive level 1.0 | w operating temperature range - 10 ?? ~+60 ?? storage temperature - 40 ?? ~+85 ?? aging ? 5ppm/year insulation resistance >500m |? 3. dimension (unit: mm) 4. mechani cal specification
1) terminal stre ngth * lead pulling test conditions: load 907.2 gram direction to the downward duration of applied force 5 seconds results: there should be no distortion in appearance. * lead bending test conditions: load 453.6 gram bending angle 90 ?? to normal position rate of bending 3 seconds in each cycl e number of bending 3 results: there should be no distortion in appearance. 2) lead solderability test conditions: dipping in solder(+230 ??? 5 ?? )for 5 seconds results: more than 95% of surface being tested shoul d be coated uniformly with solder. 3) vibration test conditions: frequency 10 ? 55hz amplitude 0.762mm sweep 1.0 minute duration 2 hours results: frequency and wave form of tested products must remain within specifications. 4) drop test conditions: method of drop natural drop dropping floor hard wood boar d height 30cm number of drops 3 times results: frequency and wave form of tested products must remain within specifications. 5. environmental specification
1) temperature test * temperature cycling test conditions: steps of cycle 1) at - 55 ?? ,30 minutes 2) at +25 ?? ,10 - 15 minutes 3) at +85 ?? ,30 minutes 4) at +25 ?? ,10 - 15 minutes number of cycles 3 times results: fre quency and wave form of tested products must remain within specifications. * low temperature test conditions: temperature - 20 ??? 2 ?? length of test 96 hours results: there should be no stain on surface of products. frequency and wave form of tested products must remain within specifications. 2) aging test conditions: temperature +85 ??? 20 ?? length of test 96 hours results: deviation of frequency must be less than ? 3ppm 3) salt spray test conditions: temperature +35 ??? 2 ?? length of test 48 hours naci % 5% results: there should be no stain on surface of products. 4) humidity test conditions: temperature +40 ??? 2 ?? relative humidity 90 - 95% length of test 96 hours results: a. insulation resistance must be 500 m |? /100 vac. minimum b. resistance and wave form must remain within specifications.
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