The D6F90F2LFS is an SPST momentary key switch featuring a flat button design with positive tactile feedback and single-side PCB X, Y coding capability. This switch operates with a maximum switching power of 3 VA at 32 V DC and 100 mA DC, with a contact resistance of =100 mO and bounce time of =10 ms. The mechanical specifications include a switching travel of 0.2 mm to 1.0 mm and an operating force of 0.8 N to 1.8 N for the F1 version, with an operating temperature range of -20°C to 85°C. The switch is RoHS compliant, compatible with lead-free soldering profiles, and features an operating life of 2.5×105 operations at maximum switching power. Typical applications include video equipment, electronic games, and appliances where reliable momentary switching and tactile feedback are required.