72008000RW1

 JIANGSU HD-CRYSTAL TECHNOLOGY CO., LTD +&60' 4XDUW]&U\VWDO 72008000RW1 1. Scope: 1.1 This specification applies to the RoHS compliance quartz crystal unit with a frequency of 8.000MHz which will be used in crystal oscillator applications. 2. Construction: 2.1 Type of Quartz Resonator: HC-49SMD 3.  Electrical Characteristics 3.1 Nominal Frequency(f):  8.000 0Hz 3.2 Load Capacitance(CL): 20pF 3.3 Frequency Tolerance(Ƹf/f): ±20ppm 3.4 Frequency Temperature Stability: ±20ppm 3.5 Resonance Resistance(ohm): 80 ohms Max 3.6 Osc mode: Fundamental mode 3.7 Shunt Capacitance(C0): 7pF Max 3.8 Drive Level(DL): 100ȝW typical 3.9 Operating Temperature Range(TOPR): -20 to + 70°C 3.10 Storage Temperature Range(TSTG): -55 to + 125°C 3.11 Insulation Resistance(IR): ˚500M ohms 3.12 Aging(ƸfA): ±5ppm/Year Max  www. hd- crystal. com 1  Rev . 1. 1 Reliability Specification Item Condition Free drop from 75cm height on a hard wooden 1. Drop characteristics board for 3 times. (Board is thickness more than 30 mm.) 2 Mechanical shock Device are shocked to half sine wave (1000g) three mutually perpendicular axes each 3 times Shake frequency 10~55Hz, cyc1~2 minutes, 3. Shake characteristics swing 1.5mm, direction x/y/z, all 30 minutes, test after 1 hours. Humidity 4. 5. 6.  characteristics Low temperature characteristics High temperature characteristics 7. Temperature cycling 8. Refluence examination +40±2ć & 90%~95% R.H. 250 hours Standard Frequency change:ݱ5ppm Rr as specification Frequency change:ݱ5ppm Rr as specification Frequency change:ݱ5ppm Rr as specification Frequency change:ݱ5ppm Rr as specification -40±2ć, 250 hours, put in room temperature, Frequency change:ݱ5ppm test after 1 hours. Rr as specification +85±2ć, 250 hours, put in room temperature, Frequency change:ݱ5ppm test after 1 hours. Rr as specification -30±3ć/30±3 min~+85±2ć/30±3min, Frequency change:ݱ5ppm 5 cycles Rr as specification Frequency change:ݱ5ppm Rr as specification  www. hd- crystal. com 2  Rev . 1. 1 3DFNDJH2XWOLQH'LPHQVLRQV   www. hd- crystal. com 3  Rev . 1. 1 Packing Specificatio Qty1000Pcs   www. hd- crystal. com 4  Rev . 1. 1