TSX88HS Surface Mount Momentary Switch:

TSX88HS is an on/off electronic surface mount momentary switch that is only on when the button is pressed or if there is a definitive change in pressure.
It was used for circuit board, the height for the switch is 5.5mm.
The Tactile Switch applications include: Low power, miniature devices, digital switching, anything where operator feedback is required (a switch confirmation coming from the switch being depressed) will find that the perfect choice is a Tactile switch.

Pls check the datasheet below:

Type:Snap-inOperating force:120±40gf
Operating Direction:Top PushTravel:0.25mm
Operating Life:Over 50,000 cyclesInitial contact resistance:200mΩ max.
Stem color:BlackOperating Temperature:-25℃~+70℃
Stem height:H=5.5mmSeries type:Sharp feeling type
Rating (max.):50mA 12V DCRating (min.):10µA 1V DC
SPQ:1,000pcsOEM or ODM:Available