Alps SPEF Series Push Button Switches The Alps SPEF series of latching surface mount push button switches are offered with lead-free soldering. The SPEF series can be easily PCB mounted with reflow or DIP terminal types.
Features and Benefits

Latching operation.
DIP or reflow terminal type.
Silent switching actuator.
Suitable for use within the Automotive industry.
30,000 cycle mean time before failure (MTBF).