执行机构的操作在侧面，且引脚为贴片式，故为单侧弹回式表面贴装型拨动开关。广泛应用于通讯、数字影音中。如MS1257型号，具体参数及尺寸如下：
SPECIFICATIONS
|
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 |
