深圳港中兴电子有限公司（GZX）

Specification of Crystal

 

A. ELECTRICAL PERFORMANCE

 1. Frequency      （标准频率）                                32.768KHz

 2. Holder type（盒型）                                     

 3. Frequency tolerance（室温频差）                     ±10ppm at 25℃±3℃

 4. Equivalent resistance（阻抗）                        35KWmax.

 5. Operation temperature（工作温度）                    -40℃~+85℃

 6. Parabolic Curvature Constant（温度变化值）     -0.035ppm /℃2

 7. Loading capacitance（负载电容）                       12.5pF

 8. Drive level      （激励功率）                                1mW

 9. Shunt capacitance（静电容）                               0.85pF max.

10. Insulation resistance（绝缘电阻）                        min. 100MWat 100V DC

11. Aging（年老化率）                                             ±3 ppm per year max.

12. Mode of oscillation（振动模式）                         Fundamental

13. Test Impedance Meter（测试仪器）                    Saunders 150D

14. Air Tightness test（绝缘测试）                      No air bubble are visible when

                                                                             the crystal are fully in 90℃

±3℃hot water for 3 minutes.

15. Resistance to shock（跌落试验）

      Dropped 3 times, without adding any unnatural force onto a hard wooden plate

      from a height 30 cm frequency shall not change more than ±5ppm

企业名：深圳市港中兴电子有限公司

类型：生产企业

电话： 4008891289

手机：17715599740

联系人：杨立新/张小姐

QQ：

邮箱：szgzx@vip.163.com

地址：广东深圳宝安42区华厦新村新瘁阁1202