轻触开关和按键开关说明介绍篇1

轻触开关和按键开关说明介绍篇

1. eneral specification  基本说明

1.1  Scope 范围       This specification covers the requirements for single key switches which have no keytop

         (TACT SWITCHES:MECHANICAL CONTACT ). 此规范含盖单推柄和无推柄的轻触开关要求。

1.2  Operating Temperature Range  使用温度范围

         -20 to 70 ℃(normal humidity, normal press).正常湿度，标准压力

1.3  Storage Temperature Rang    保存温度范围

         -20 to 80 ℃(normal humidity, normal press).

1.4  Test Conditions    测试条件

         Tests and measurements shall be made in the following standard clnditions unless otherwise specified:

         测试和计量按下列标准条件除非特殊说明

         Normal temperature (temperature 5 to 35℃)      标准温度

         Normal humidity (relative humidity 45 to 85%)    正常湿气

         Normal pressure (pressure860 to 1060 mbars )     标准压力

         In case any question arises from the judgement made, tests shall be conducted in the following conditions：

         Temperature               (20±2℃)           温度

         Relative humidity           (65±5%)           相对湿度

         Pressure                  (860 to 1060 mbars)   压力

2. APPEARNCE, STYLE, AND DIMENSIONS 外形，类型和尺寸

    2.1  Appearance      外形

        There shall be no defects that affect the serviceability of the product  外形必须无缺陷才不影响产品适用性

    2.2  Style and Dimensions          类型和尺寸

        Shall conform to the assembly drawings.     符合装配图

3.  TYPE OF ACTUATION   动作类型

         Tactile      feedback     轻触返回

4.  CONTACT ARRANGEMENT  1  poles  1  throws  接触形式   1接点 1 回路

        (Details of contact arrangement are given in the assembly drawings).

         细接点形式在装配图中

5.   MAXOMUM  RATINGS    DC    12  V   50  mA  最大额定值