轻触通俗的说,就是轻轻接触。那么,轻触开关也可以理解为,轻轻接触开关就可以控制开关的通断,即轻轻按下开关接通,松开即断开。它的应用范围很广,在家电设备、楼宇自动化、车载设备、数字影音等多个领域广泛应用。下面我来具体介绍一下。
1.密封型直插式轻触开关
采用密封结构,引脚为直插式,故为密封性直插式轻触开关。防尘、防水能力很强,在空调、洗衣机等家电设备中应用广泛。如STJ系列:STJF200R 型号,其具体参数及尺寸如下:
SPECIFICATIONS
Electrical Ratings |
50mA @ 48VDC |
Electrical Life |
100,000 cycles typical |
Contact Resistance |
< 50 mΩ initial |
Actuation Force |
200gF max |
Actuator Travel |
1.6 /- .25mm |
Dielectric Strength |
500Vrms min |
Insulation Resistance |
> 100MΩ min |
Operating Temperature |
-40°C to 85°C |
Storage Temperature |
-40°C to 85°C |
2.LED高绝缘电阻型轻触开关
电路有发光二极管,加之其绝缘电阻达大于1000MΩ,故为L ED高绝缘电阻型轻触开关。广泛应用于数字影音中。如TJ系列:TJF200RGA20E型号,其具体参数及尺寸如下:
SPECIFICATIONS
Electrical Ratings |
50mA @ 12VDC |
Electrical Life |
500,000 cycles typical |
Contact Resistance |
≤50 mΩ initial |
Actuation Force |
200gF max |
Actuator Travel |
.25 /- .10mm |
Dielectric Strength |
250Vrms min |
Insulation Resistance |
≥ 1000MΩ min |
Operating Temperature |
-40°C to 85°C |
Storage Temperature |
-40°C to 85°C |
3.超长寿命平型轻触开关
寿命高至100万次,执行机构为标准平型,故为超长寿命平型轻触开关。它的触点采用不锈钢镀银材质,降低了接通电阻,大大增强了导通可靠性。适用于产业机械的加工机床操作盘、家电设备中应用。如ST系列:ST5.0LF160Q 型号,其具体参数及尺寸如下:
SPECIFICATIONS
Electrical Ratings |
50mA @ 48VDC |
Electrical Life |
1,000,000 cycles typical |
Contact Resistance |
<50 mΩ initial |
Actuation Force |
160gF max |
Actuator Travel |
.45 /- .10mm |
Dielectric Strength |
250Vrms min |
Insulation Resistance |
> 100MΩ min |
Operating Temperature |
-40°C to 85°C |
Storage Temperature |
-55°C to 99°C |
4.短行程贴片式轻触开关
执行机构的行程仅为.15 /- .05mm,引脚为贴片式,故为短行程贴片式轻触开关。它的短行程也决定了它的高使用寿命20万次。广泛应用于车载设备中,如汽车防盗遥控器等等。如CS1213系列:CS1213AJF160型号,其具体参数及尺寸如下:
SPECIFICATIONS
Electrical Ratings |
50mA @ 50VDC |
Electrical Life |
200,000 cycles typical |
Contact Resistance |
<50 mΩ initial |
Actuation Force |
160gF max |
Actuator Travel |
.15 /- .05mmm |
Dielectric Strength |
250Vrms min |
Insulation Resistance |
> 100MΩ min |
Operating Temperature |
-40°C to 85°C |
Storage Temperature |
-40°C to 85°C |
5.横向操作型直插式轻触开关
执行机构在侧面,且引脚为直插式,故为横向操作型直插式轻触开关。四个引脚,其中两个起固定及接地作用,另外两个为触点通断端子。它广泛应用于通信设备中。如CT1102系列:CT1102V10.35F100 型号,其具体参数及尺寸如下:
SPECIFICATIONS
Electrical Ratings |
50mA @ 50VDC |
Electrical Life |
100,000 cycles typical |
Contact Resistance |
<50 mΩ initial |
Actuation Force |
100gF max |
Actuator Travel |
.25 /- .1mmm |
Dielectric Strength |
250Vrms min |
Insulation Resistance |
> 100MΩ min |
Operating Temperature |
-40°C to 85°C |
Storage Temperature |
-40°C to 85°C |
6.双作用键单刀双掷型轻触开关
有双执行机构,触点为单刀双掷,故为双作用键单刀双掷型。它的绝缘电阻高达1000MΩ,广泛应用于车载设备中。如DSA系列:DSA3002F600F1250 型号,其具体参数及尺寸如下:
SPECIFICATIONS
Electrical Ratings |
30mA @ 28VDC |
Electrical Life |
200,000 cycles typical |
Contact Resistance |
≤50 mΩ initial |
Actuation Force |
Force 1 : 600 ± 100gF Force 2 : 1250 ± 150gF |
Actuator Travel |
point 1 : 0.90 ± 0.30mm point 2 : 1.70 ± 0.30mm |
Dielectric Strength |
250Vrms min |
Insulation Resistance |
≥1000MΩ min |
Operating Temperature |
-40°C to 85°C |
Storage Temperature |
-40°C to 85°C |
7.等边标准型轻触开关
表面形状为正方形,且执行机构在顶表面的标准型,故为等边标准型轻触开关。这样的轻触开关有很多种,如:6.0*6.0、12.0*12.0、6.2*6.2、5.2*5.2、4.9*4.9、7.2*7.2等等,此外,他们有贴片式(SMD)与直插式(DIP)两种。适用于多种操作面板,应用范围广泛。如CS1103系列:CS1103TLF160R 型号,其具体参数及尺寸如下:
SPECIFICATIONS
Electrical Ratings |
50mA @ 48VDC |
Electrical Life |
1,000,000 cycles typical |
Contact Resistance |
<50 mΩ initial |
Actuation Force |
160 /- 50gF |
Actuator Travel |
.30 /- .15mm |
Dielectric Strength |
1000Vrms min |
Insulation Resistance |
>100MΩ min |
Operating Temperature |
-40°C to 85°C |
Storage Temperature |
-40°C to 85°C |
8.超薄型贴片式轻触开关
它的引脚为贴片式,且高度仅为0.8mm,故为超薄型贴片式轻触开关。它的超薄特性,决定了它适于高密度安装。如CS1214系列:CS1214JF160型号,其具体参数及尺寸如下:
SPECIFICATIONS
Electrical Ratings |
50mA @ 50VDC |
Electrical Life |
500,000 cycles typical |
Contact Resistance |
<50 mΩ initial |
Actuation Force |
160 /- 50gF |
Actuator Travel |
.25 /- .1mm |
Dielectric Strength |
250Vrms min |
Insulation Resistance |
>100MΩ min |
Operating Temperature |
-40°C to 85°C |
Storage Temperature |
-40°C to 85°C |
以上分类基于RIVERSUN (HONG KONG) LTD