7B027000R01

JIANGSU HD-CRYSTAL TECHNOLOGY CO., LTD SMD3225-4 Crystal Resonator 7B027000R01 1. Scope: 1.1 This specification applies to the RoHS compliance quartz crystal unit with a frequency of 27MHz which will be used in crystal oscillator applications. 2. Construction: 2.1 Type of Quartz Resonator: SMD3225-4pads 3.  Electrical Characteristics 3.1 Nominal Frequency(f): 27MHz 3.2 Load Capacitance(CL): 20pF 3.3 Frequency Tolerance(△f/f): ±10ppm 3.4 Frequency Temperature Stability: ±20ppm 3.5 Resonance Resistance(ohm): 25 ohms Max 3.6 Osc mode: Fundamental mode 3.7 Shunt Capacitance(C0): 2pF Max 3.8 Drive Level(DL): 100μW Max 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(△fA): ±3ppm/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±2℃ & 90%~95% R.H. 250 hours Standard Frequency change:≤±5ppm Rr as specification Frequency change:≤±5ppm Rr as specification Frequency change:≤±5ppm Rr as specification Frequency change:≤±5ppm Rr as specification -40±2℃, 250 hours, put in room temperature, Frequency change:≤±5ppm test after 1 hours. Rr as specification +85±2℃, 250 hours, put in room temperature, Frequency change:≤±5ppm test after 1 hours. Rr as specification -30±3℃/30±3 min~+85±2℃/30±3min, Frequency change:≤±5ppm 5 cycles Rr as specification Frequency change:≤±5ppm Rr as specification  www. hd- crystal. com 2  Rev . 1. 1 3DFNDJH2XWOLQH'LPHQVLRQV 3.20 ± 0.10 3 1 2 GND 4 3 2.50 ± 0.10 4 1 2 3 4 0.70 MAX 2 GND Internal View Connection 0.65 ± 0.10 1.2±0.10 0.7±0.10 0.9± 0.10 1 CRYSTAL GND CRYSTAL GND Units:mm Bottom View 6XJJHVWHG3DG/D\RXW 0.8 1.4 1.2 1.2 1.4 Units:mm   www. hd- crystal. com 3  Rev . 1. 1 Packing Specification Qty:3000Pcs   www. hd- crystal. com 4  Rev . 1. 1