加工定制:是 | 品牌:子庚科技 | 型号:sd74454 |
最高电压:220V | 额定发热电流:12A | 用途:电子按键 |
产品认证:UL | 物料编号:421 | 特点:回弹力稳定 |
属性:电阻荷小 |
轻触开关耐久性能介绍,轻触开关能使用多久性能全解请阅读下文
6.3 轻触开关使用耐久性能 Item 项目 Test Condition 测试条件 Requirements 要求
6.3.1
Operating Life 动作寿命
Measurements shall be made following the test set forth below:按下列条件进行寿命试验 (1)DC 5V 5mA resistive load. DC 5V 5mA 阻 性负载 (2)Rate of operation:2 to 3 operations per second 动作频率:2-3 次/每秒 (3)Depression: 160 gf 减压力 (4)Cycles of operation: 10 ×1004 cycles 动作 次数: 10×1004 次
Contact resistance: 200 mΩ Max. 接触电阻 Insulation resistance : 50 MΩ Min. 绝缘电阻 Actuating force: 动作力 + 30 %or- 30%of initial force. ±30%初始动作力 Item 6.1.3 Item 6. 2.2
6.3.2
Moisture Resistance 耐潮湿
Following the test set forth below the sample shall be left in normal temperature and humidity conditions for one hour before measurements are made: 样品按下列条件进行耐潮湿试验,试验后在正 常温度和湿度条件下放置 1 小时后测定 (1) Temperature: 60±2℃ 温度 (2) Relative humidity: 90 to 95% 相对湿度 (3) Time: 500 hours 时 间 Water drops shall be removed. 擦除水珠
Contact resistance: 200 mΩ Max. 接触电阻 Insulation resistance : 50 MΩ Min. 绝缘电阻 Item 6.1.3、6.1.4 Item 6. 2.1~6.2.3
6.3.3
Low Temperature Resistance 耐低温
Following the test set forth below the sample shall be left in normal temperature and humidity conditions for one hour before measurements are made: 样品按下列条件进行耐低温试验,试验后在正常温度 和湿度条件下放置 1 小时后测定 (1)Temperature: -40±2℃ 温 度 (2) Time: 500 hours 时 间 Water drops shall be removed. 擦除水珠
Contact resistance: 200 mΩ Max. 接触电阻 Insulation resistance : 50 MΩ Min. 绝缘电阻 Item 6.1.3、6.1.4 Item 6. 2.1~6.2.3
6.3.4
Heat Resistance 耐热
Following the test set forth below the sample shall be left in normal temperature and humidity conditions for one hour before measurements are made: 样品按下列条件进行耐热试验,试验后在正常 温度和湿度条件下放置 1 小时后测定 (1)Temperature: 85±2℃ 温 度 (2) Time: 500 hours 时 间
Contact resistance: 200 mΩ Max. 接触电阻 Insulation resistance : 50 MΩ Min. 绝缘电阻 Item 6.1.3、6.1.4 Item 6. 2.1~6.2.3
型 号TACT SWITCH ST-1552BG1.5 160G
规 格 承 认 书 规格书编号 2011101401 品 名 6/8
Item 项目 Test Condition 测试条件 Requirements 要求
6.3.5
Change of Temperature 温度循环
Following ten cycles of high temperature test .The Sample shall be Placed in Normal temperature and humidity Conditions for one hour before measurements are made. During this test, water drops shall be removed. 样品按下列条件进行高低温循环试验,试验后在 正常温度和温度条件下放置 1 小时后测定 A:+85±2℃ B:-40±2℃ C:2 小时 D:1 小时 E:2 小时 F:1 小时
Cycling:Five cycles 周 期: 5次
Contact resistance: 200 mΩ Max. 接触电阻 Insulation resistance : 50 MΩ Min. 绝缘电阻 Item 6.1.3、6.1.4 Item 6. 2.1~6.2.3
6.3.6
Salt Spray Test 盐雾试验
The salt spray test shall be conducted at the following conditions : 样品按下列条件进行盐雾 试验 (1)Density(浓度): 溶液(5±1)% Nacl (质量*** 比) (2)Temperature: 35±2℃ 温度 (3) Time: 48 hours 时 间
金属件无发黄、生锈
6.3.7
Vibration Resistance 耐振动
Measurements shall be made following the test set forth below: 按下列条件进行抗振动试验 (1)Range of oscillation:10 to 55Hz 频率范围 (2)Amplitude,pk-to-pk:1.5 mm 振幅: 峰-峰 1.5mm (3)Cycle of sweep: 10-55-10Hz in one minute, approx.扫描周期: 10-55-10Hz 约一分钟内 (4)Mode of sweep: Logarithmically sweep or uniform sweep. 扫描方式:对数扫描式恒定扫描 (5)Direction of oscillation: 振动方向 Three mutually perpendicular directions, including the direction of stem travel. 3 个相互垂 直方向,包括推柄行程方向 (6)2 hours each ,for a total of 6hours.每方向 2 小时. 共 6 小时
Item 6.1 Item 6. 2.1、6.2.2
温度(℃)
时间(hour)