Here’s a full specification summary for the omron b3f-4055 tactile switch based on manufacturer datasheets and distributor listings:
omron b3f-4055 tactile switch — k
general description
manufacturer: omron electronics inc-emc div
series: b3f tactile switch series
part number: b3f-4055
function: momentary push-button, spst-no (off-mom)
actuator: plunger for cap, top actuated
mounting: through-hole (pc pins)
package: bulk
electrical ratings
contact configuration: spst-no (1 form a)
rated switching current: 50 ma @ 24 vdc (resistive)
physical characteristics
body size: 12 mm × 12 mm
actuator height: 7.30 mm above pcb
number of pins: 4 (two pairs internally connected)
termination style: pc pin / solder pins
color: typically yellow actuator (varies by sourcing)
weight: ~0.85 g (12×12 mm models)