常用的品种有单极双位、单极三位、双极双位以及双极三位等,它一般用于低压电路,具有滑块动作灵活、性能稳定可靠的特点,拨动开关主要广泛用于:各种仪器/仪表设备,各种电动玩具,传真机,音响设备,医疗设备,美容设备,等其它电子产品领域。表9-10列出了一些拨动开关的主要特性参数及外形结构。
Switch Function
|
SPDT
|
Electrical Ratings
|
5A @ 120VAC, 28VDC
|
Electrical Life
|
30,000 cycles typical
|
Contact Resistance
|
< 10 mΩmax initial @ 2-4VDC, 100mA
|
Dielectric Strength
|
1500Vrms min
|
Insulation Resistance
|
> 100MΩ min
|
Operating Temperature
|
-40°C to 85°C
|
Storage Temperature
|
-40°C to 85°C
|
Switch Function
|
SPDT
|
Electrical Ratings
|
300mA @ 6VDC
|
Electrical Life
|
10,000 cycles typical
|
Contact Resistance
|
< 50 mΩinitial
|
Dielectric Strength
|
1000Vrms min
|
Insulation Resistance
|
> 100MΩ min
|
Operating Temperature
|
-40°C to 85°C
|
Storage Temperature
|
-40°C to 85°C
|
Switch Function
|
4P3T
|
Electrical Ratings
|
200mA @ 30VDC
|
Electrical Life
|
10,000 cycles typical
|
Contact Resistance
|
< 50 mΩinitial
|
Actuation Force
|
250 +/- 100gF
|
Dielectric Strength
|
1000Vrms min
|
Insulation Resistance
|
> 100MΩ min
|
Operating Temperature
|
-40°C to 85°C
|
Storage Temperature
|
-40°C to 85°C
|
Switch Function
|
DPDT
|
Electrical Ratings
|
200mA @ 30VDC
|
Electrical Life
|
10,000 cycles typical
|
Contact Resistance
|
< 50 mΩinitial
|
Actuation Force
|
200 +/- 100gF
|
Actuator Travel
|
4.0 mm total
|
Dielectric Strength
|
1000Vrms min
|
Insulation Resistance
|
> 100MΩ min
|
Operating Temperature
|
-40°C to 85°C
|
Storage Temperature
|
-40°C to 85°C
|
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