供应3*8 2*6  的32.768K,无铅产品,现货供应.

CRYSTAL UNITS SPECIFICATION

JU38                          

  ·GENERAL SPECIFICATIONS

      ·ENVIRONMENTAL & MECHANICAL SPECIFICATIONS

      ·DIMENSIONS

1. GENERAL SPECIFICATIONS

1.1 Holder Style  : 3*8

1.2   Frequency     : 32.768kHz

1.3   Mode Of Oscillation                 :Fundamental

1.4   Frequency Tolerance at 25℃     :±20ppm    

   1.5Frequency Stability at (-20℃～+70℃): -0.034ppm/℃²  

   1.6Load Capacitance ( CL )             :12.5PF

   1.7   Static capacitance (CO)             :1.6PFMAX

   1.8   Resonance Resistance ( RR)       : 30kΩMAX

   1.9 Drive Level                    :0.1uWMAX

   1.10 Insulatiom Resistance          : >500Mohms DC/100V+15V

   1.11 Aging                         :±3ppm/year

   1.12 Measurement Condition : the reference temperature shall be at 25℃±2℃

1. ENVIRONMENTAL & MECHANICAL SPECIFICATIONS

2.1 Operating Temperature           :   -10℃- +60℃

   2.2Storage Temperature             :   -40℃- +85℃

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2.3 Leakage Rate     : leak rate less than 2 x 10^ˉ8Atm cc/sec of helium          

2.4 Solderability       : at 235℃±10℃in solder bath.    

                         90% of leads covered the solder

2.5 Seal Strength       : 9 kgs force perpendicular to top & bottom

2.6 Lead Pull           : 1kg force along leads

2.7 Bend Test       : pins will withstand maximum bend of 90°

                       referenced to base for 2 bends

2.8 Shock test       : drop from 75cm height 3 times on 5cm

                             thick hard wood

2.9 Vibration test : the units shall be capable of withstanding 2 hours            

                          in 3 directions 10-55Hz, amplitude 1.5mm p-p vibration

1. DIMENSIONS