SMD0705

SMD0705 1. SCOPE CRYSTAL UNIT This specification shall cover the characteristics of crystal unit with SMD0705-10.00—27.00MHz 2. ELECTRICAL SPECIFICATION ITEM HOLDER TYPE NOMINAL FREQUENCY LOAD CAPACITANCE OSCILLATION MODE FREQUENCY TOLERANCE AT 25℃±2℃ EQUIVALENT SERIES RESISTANCE DRIVE LEVEL OPERATING TEMPERATURE RANGE FREQUENCY STABILITY SHUNT CAPACITANCE AGING INSULATION RESISTANCE SPECIFICATION SMD0705 10.00—27.00MHz 10PF to series Fundamental ±30PPM 40Ω max. 0.5MW -10℃~+60℃ ±30PPM 500MΩ at DC 100V 3.Dimension (mm) Wing Shing Computer Components Co., (H.K.)Ltd. Homepage: http://www.wingshing.com Tel:(852)2341 9276 Fax:(852)2797 8153 E-mail: wsccltd@hkstar.com SMD0705 4. MECHANICAL SPECIFICATION CRYSTAL UNIT 1) Terminal Strength * 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 cycle 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 should be coated uniformly with solder. 3) Vibration test Conditions: Results: Frequency 10 – 55Hz Amplitude 0.762mm Sweep 1.0 minute Duration 2 hours Frequency and wave form of tested products must Remain within specifications. 4) Drop test Conditions: Results: Method of drop Natural drop Dropping floor Hard wood board Height 30cm Number of drops 3 times Frequency and wave form of tested products must remain within specifications. SMD0705 5. ENVIRONMENTAL SPECIFICATION 1) Temperature test * Temperature cycling test Conditions: Steps of cycle CRYSTAL UNIT Results: 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 Frequency 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: Results: Temperature +85℃±20℃ Length of test 96 hours 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 MΩ/100 Vac. minimum b. Resistance and wave form must remain within specifications.