1.1 Scope 范围 This specification covers the requirements for single key switches which have no key top(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 -40 to+85℃(normal humidity, normal press.) 正常湿度，标准压力 1.3 Storage Temperature Range 保存温度范围 -40 to+85℃(normal humidity, normal press.) 1.4 Test Conditions 测试条件 Tests and measurements shall be made in the following standard conditions 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 (pressure 860 to 1060 mbars) 标准压力 In case any question arises from the judgment 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. Type Of Actuation 动作类型 Tactile feedback 轻触返回 3. 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 4. Maximum Ratings DC 12 V 50 mA 最大额定值 DC 1 V 10 μA 最小额定值 【选择凌涵科技的理由】：
