供应复位开关/相机开关
地区：广东 深圳
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用于小家电产品，玩具产品
General specification 基本说明
1.1 Scope范围 This specification covers the requirements for single key switches which have no key*
(TA* SWITCH*:MECHANICAL CONTA* ).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*说明
Normal temperature(temperature 5 to 35℃) 标准温度
Normal humidity(relative humidity 45 to 85%) 正常*
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&plu*n;2℃) 温度
Relative humidity (65&plu*n;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*须*陷才不影响产品适用性
2.2 Style and Dimensions 类型和尺寸
Shall conform to the *embly drawings. *合装配图
3. TYPE OF A*UATION 动作类型
Tactile feedback 轻触返回
4. CONTA* ARRANGEMENT 1 poles 1 throws 接触形式 1接点1回路
(Details of contact arrangement are given in the *embly drawings).
细接点形式在装配图中
5. MAXOMUM RATINGS DC 12 V 50 mA *大额定值
6.2Mechanical 机械特性 | ||
Item项目 | Test Condition试验条件 | Requirements规格 |
6.2.1. Actuating Force 动作力 | Placing the switch such that the direction of switch operation is vertical and then gradually increasing the load applied to the center of the stem, the maximum load required for the stem to come to a s* shall be measured. 开关的动作方向为垂直放置开关向推柄中心逐渐增加负荷直到推柄停止时所测量的*大负荷 | _____&plu*n;30 gf |
6.2.2. Travel 行程 | Placing the switch such that the direction of switch operation is vertical and then applying a static load twice the actuation force to the center of the stem, the travel distance for the stem to come to a s* shall be measured. 开关的动作方向为垂直放置开关，在已有行程的推柄中心向上减小压力，推柄回到自由位置时所测到的力 | 0.3&plu*n;0 .1mm |
6.2.3. Return Force 返回力 | The sample switch is installed such that the direction of switch operation is vertical and, upon depression of the stem in its center the whole travel distance ,the force of the stem to return to its free position shall be measured. 开关的动作方向垂直放置开关，在已有行程的推柄中心向上减小压力，推柄回到自由位置时所测量到的力 | ____&plu*n;20 gf min |
6.2.4. S* Strength 静止强度 | Placing the switch such that the direction of switch operation is vertical, a static load of3 kgf shall be applied in the direction of stem operation for a period of 60 seconds. 开关的动作方向为垂直放置开关，在推柄动作方向施加3 KG的静负荷，60秒时间 | There shall be no sign of damage mechanically and electrically 无机械的和电气的损伤迹象 |
6.2.5. Stem Strength 推柄的强度 | Placing the switch such that the direction of switch operation is vertical, the maximum force to withstand a pull applied oppsite to the direction of stem operation shall be measured. 开关的动作方向为垂直放置开关从推柄动作方向反方向施加拉力所测量到的*大承受力 | 3 kgf |
ITEM项 目 | SOLDERING CONDITIONS焊接条件 |
(1)PREHEAT TEMPERATURE预热温度 | 100℃ MAX(A*ENT TEMPERATURE OF PRINTED CIRCUIT BOARD ON ITS SOLDERING SIDE)(电路板周围焊锡面的温度) |
(2)PREHEAT TIME预热时间 | 45 SEC MAX45秒MAX |
(3)FLUX FOAMING助焊剂浸泡 | TO SUCH AN EXTENT THAT FLUX WILL BE KEPT FLUSH WITH THE PRINTED CIRCUIT BOARDS,TOP SURFACE ON WHICH COMPONENTS ARE MOUNTED.PRDPARATORY FLUX MUST *T BE APPLIED TO THAT SODE OF PRINTED CIRCUIT BOARD ON WHICH COMPONENTS ARE MOUNTED AND TO THE AREA WHIERE TERMINALS ARE LOCATED.助焊剂应涂在电路板上组装开关的印刷面上半部位，应*助焊剂过量到电路板. |
(4)SOLDERINTEMPERATURE 焊锡温度 | 255℃ MAX255℃ MAX
|
(5)DURATION OF SOLDER IMMERSION焊接时间 | 5 SEC MAX5秒 MAX |
(6)ALLOWABLEPREQUENCY 允许重焊次数 | 2 TIM* MAX2次 MAX |
进行焊接工艺时不应使用不整洁的东西对开关进行清洁。
在组装开关时应*助焊剂从开关的上部流入到开关内部
