产品名称:轻触开关
产品规格:贴片式轻触开关4.5mm×4.5mm×H
H=3.1,3.5,3.8,5.0,6.0,7.0,8.0mm
产品型号:GT-045045HS
产品力度:A-160g,B-250g,C-300g
机械寿命：K-10W次
1.General 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 to70℃(normal humidity, normal press.) 正常湿度，标准压力
1.3 Storage Temperature Range 保存温度范围
-30 to80℃(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 to85%) 正常湿气
Normal pressure (pressure 860 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.MAXIMUM RATINGS DC 12 V 50 mA {zd0}额定值
主要用于：彩色电视机、黑白电视机、音响设备、录像机、摄像机、计算机、游戏机、
传真机、对讲机、机床控制装置、复印、打印机、电子仪器、仪表和其它家用电器
尺寸图
规格参数
6.PERFORMANCE性能
6.1 Electrical电气
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Item项目
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Test Condition测试条件
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Requirements要求
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6.1.1.
Contact Resistance
接触电阻
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Applying astatic load twice the actuating force to the
center of the stem,measurements shall be made
with a 1 kHz small-current contact resistance meter.
用两倍的动作力作静负载施加于按钮的中心,并用1千赫
小电流接触电阻仪测量
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100 m ohm max.
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6.1.2.
Insulation Resistance
绝缘电阻
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Measurements shall be made following application of
DC100V potintial across terminals and across terminals
and frame for one minute.
在端子与端子之间,端子与外壳之间施加DC100V,一分钟
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100 M ohm min.
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6.1.3.
Dielectric witstanding
voltage
电气耐压
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AC250V(50Hz or60Hz) shall be applied across terminals
and across terminals and frame for one minute.
在端子与端子之间,端子与外壳之间施加AC250V(50HZ-60HZ)
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There shall be no
breakdown.
没有击穿
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6.1.4.
Bounce
抖动
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Lightly striking the center of the stem at a rate encountered
in normal use (3 to 4 operations per sec.),
Bounce shall be tested at “ON”and “OFF”.
在正常使用中(以每秒3-4次周期)轻轻地在手柄中心加力,在通
与断瞬间测试抖动
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5 m sec max.
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6.2Mechanical机械特性
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Item项目
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Test Condition 试验条件
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Requirements 规 格
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6.2.1.
Actuating Force
动作力
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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 stop shall be measured.
开关的动作方向为垂直放置开关向推柄中心逐渐地
增加负荷直到推柄停止时所测量的{zd0}负荷
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160 ± 50 gf or
250 ± 50 gf or
300 ± 50 gf
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6.2.2.
Travel
行程
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Placing the switch such that the direction of switch
operation is vertical and then applying
a static load twice the actuating force to the
center of the stem,the travel distance for the
stem to come to a stop shall be measured.
开关的动作方向为垂直放置开关,
并以双倍动作力的静负荷作用推柄中心,测量推柄从
开始到停止的行程距离
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0.25 ± 0.1mm
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6.2.3.
Return Force
返回力
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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
时所测量到的力
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45 gf min
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6.2.4.
Stop Strength
静止强度
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Placing the switch such that the direction of
switch operation is vertical,a static load of
3 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
3KG的静负荷,60秒时间
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There shall be no sign of damage
mechanically and electrically.
无机械的和电气的损伤迹象
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6.2.5.
Stem Strength
推柄的强度
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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{zd0}承受力
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3 kgf
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6.3Environmental环境
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Item项目
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Test Condition测试条件
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Requirements要求
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6.3.1.
Resistance to Low
Temperatures
耐低温
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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,测试前在正常温度和湿
度条件下放置1小时
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Temperature: -30±2℃ 温 度
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Time: 96 hours 时 间
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Water drops shall be removed. 擦除水珠
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Item 6.1
Item 6. 2.1
Item 6.2.2
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6.3.2.
Heat Resistance
耐热
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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,测试前在正常温度和湿度
条件下放置1小时
(1)Temperature: 80±2℃ 温 度
(2) Time: 96 hours 时 间
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Item 6.1
Item 6. 2.1
Item 6.2.2
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6.3.3.
Moisture
Resistance
耐潮湿
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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,测试前在正常温度和湿度
条件下放置1小时
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Temperature: 60±2℃ 温度
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Relative humidity: 90 to 95% 相对湿度
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Time: 96 hours 时 间
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Water drops shall be removed. 擦除水珠
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Contact resistance:
500 m ohm max接触电阻
Insulation resistance
10 M ohm min.
绝缘电阻
Item 6.1.3
Item 6.2.1
Item 6.2.2
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6.3Environmental环境
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Item项目
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Test Condition测试条件
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Requirements要求
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6.3.1.
Resistance to Low
Temperatures
耐低温
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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,测试前在正常温度和湿度
条件下放置1小时
(1) Temperature: -30±2℃ 温 度
(2) Time: 96 hours 时 间
(3) Water drops shall be removed. 擦除水珠
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Item 6.1
Item 6. 2.1
Item 6.2.2
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6.3.2.
Heat Resistance
耐热
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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,测试前在正常温度和湿度
条件下放置1小时
(1)Temperature: 80±2℃ 温 度
(2) Time: 96 hours 时 间
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Item 6.1
Item 6. 2.1
Item 6.2.2
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6.3.3.
Moisture
Resistance
耐潮湿
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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,测试前在正常温度
和湿度条件下放置1小时
(1) Temperature: 60±2℃ 温度
(2) Relative humidity: 90 to 95% 相对湿度
(3) Time: 96 hours 时 间
(4) Water drops shall be removed. 擦除水珠
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Contact resistance:500 m ohm max接触电阻
Insulation resistance 10 M ohm min. 绝缘电阻
Item 6.1.3
Item 6.2.1
Item 6.2.2
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6.4Endurance耐久性
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Item项目
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Test Condition测试条件
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Requirements要求
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6.4.1.
Operating Life
动作寿命
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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: 180 gf 减压力
(4)Cycles of operation: 5×104 cycles 动作次数: 5×104次
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Contact resistance: 1 Ω max.
接触电阻
Insulation resistance :
10 M ohm 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
tem 6. 2.2
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6.4.2.
Vibration
Resistance
耐振动
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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
(1) Direction of oscillation: 振动方向
Three mutually perpendicular directions,including the
directionof stem travel.
3个相互垂直方向,包括推柄行程方向
(2) Duration of testing: 持续时间
2 hours each ,for a total of 6hours.每方向2小时.共6小时
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Item 6.1
Item 6.2.1
Item 6.2.2
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6.4.3.
Impact Shock
Resistance
抗冲击
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Measurements shall be made following the test
set forth below:
按下列条件进行冲击试验
(1)Acceleration:80g 加速度
(2)Cycles of test :3 cycles each in 6directions, for a
total of 18cycles
试验次数：每个方向3次,6个方向共18次
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Item 6.1
Item 6.2.1
Item 6.2.2
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7. Environmental Endurance 环境耐久性
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Item项目
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Test Condition测试条件
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Requirements要求
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7.1.
High Temperature
Cycling
高温循环
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Foeeowing ten cycles of high temperature test
.Saupee shall be Place in
Normae temperature and humidity
Conditious 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,
测试前在正常温度和温度条件下放置1小时,除去水珠
(1) Temperature(温度)：-30°~80℃
(2) Cycling(周期)：Ten cycles (10个周期)
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Item 6.1
Item 6. 2.1
Item 6.2.2
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7.2
Moisture
Resistance
耐潮湿
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Following the test set forth below the sample
shall be left in normal temperature and humidity
conditions for one hourbefore measurements
are made:
样品按下列条件进行耐潮湿试验,
测试前在正常温度和湿度条件下放置1小时
(1) Temperature: 85±2℃ 温度
(2)Relative humidity: 80 to 85% 相对湿度
(3) Time: 500 hours 时 间
(3) Water drops shall be removed. 擦除水珠
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Contact resistance:50 m ohm max
接触电阻
Insulation resistance 10 M ohm min.
绝缘电阻
Item 6.1.3
Item 6.2.1
Item 6.2.2
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8.Use Endurance 使用耐久性
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Item项目
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Test Condition测试条件
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Requirements要求
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8.1
Solderability
焊接性
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Oven Temperature:235℃±5℃，Time: 5S±1S
锡炉温度：235℃±5℃ 时间:5秒±1秒
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Tin Area:90％
焊接面积90％以上
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8.2
patience high temperature
焊接耐热性
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Preheat: Temperature on the copper foil surface
should reach 180℃, 2±0.3 minutes after
The P.W.B entered into the soldering equipment
预热：在P.W.B(印刷线路板)进入焊接设备后，
2±0.3分钟内铜箔表面要达到180℃
Soldering heat: Temperature on the copper
foil surface should reach the peak temperature of
260℃ within 5 seconds after the
P.B.W entered into soldering heat zone.
焊接温度： 在P.W.B(印刷线路板)进入焊接温区5秒内，
铜箔表面达到峰值温度260℃
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表面无起泡,变型
Surface of plastics
don’t frothed And
formed
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轻触开关注意事项：
9. Other precautions其他注意事项
(1) Following the soldering process,do not try to clean the switch with a solvent or the like.
进行焊接过程中，不可以用溶剂或类似品清洗开关
(2) Safeguard the switch assembly against flux penetration from its topside.
防止助焊剂从开关的顶端渗入
(3) Please have the products keep in close status and the storage time is 90 days guaranty after
delivering the goods at most.
交货后保证开关处于封密状态并库存时间90天以上
如需了解更多信息请点击：进口轻触开关，小型滑动开关
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