KT11B1JM34LFS is a full SMT top-actuated sealed tactile switch from the C&K KT Series, designed for reliable momentary switching in electronic applications. It features SPST normally open contact arrangement with J-bend (JM) terminations for surface mounting, and includes a B1 hard plastic actuator with 2.24 mm height. The switch offers a contact rating of 1.0 VA max at 32 V AC or DC, contact resistance below 50 mO, and an electrical/mechanical life of 100,000 cycles at full load. With a dielectric strength of 250 Vrms minimum and insulation resistance of 10? O minimum, it provides robust electrical isolation. This RoHS compliant switch is ideal for telecommunications, computer products, instrumentation, and power supply applications where reliable tactile feedback is required.