SMD Dome Switch is a type of new metal dome package which designed to be soldered on PCB/FPC/MCPCB, or any other circuits, by directly SMT/SMD reflow soldering technology. The circuit board for soldering is on the bottom of each dome, and on top of metal dome, there's a layer of yellowish Polyimide with a Plunger & Actuator in center area, to seal the dome and add the clicking feeling.

Each of SMD dome switch is in a socket on a continued tape and packed on a reel, so it can be picked and place like normal components such as resistor, capitor, on SMT machine, similar like our"Tape & Reel Metal Dome ". But the difference, and major character for this SMD dome is: It can be soldered directly on any circuit like any other SMD components! Normal dome is not suitable for soldering.

• Reflow soldering
• Used for Low profile and Lightweight design. Size is very small, such as 3.4mm*3.0mmx0.7mm for "SI-C3430A-7015".
• Suitable for thinner and lighter portable devices
• Suitable for water proof devices
• Package With 12mm Wide Reel tape
• Life cycle: >=100,000 times

• Operating temperature: -30℃ ~ +85℃, 45~85%RH
• Storage temperature: -30℃ ~ +85℃, 45~85%RH
• Switch Type: Surface mount
• Operating direction: Vertical
• Minimum packing unit(pcs): 5,000pcs
• Electrical characteristics
  - Insulation resistance: 100m􀔽 min. 100V DC
  - Contact resistance: 250V AC , 1minute
  - Rating: 50mA 12V DC
• Environmental specification
  - Resistance to low temperature: -30±2℃, 96hr
  - Heat resistance: 80±2℃, 96hr

• TF2819-AABB-S4N20A
• TF2819-CACB-S4N20A.pdf
• TF2824-AAAB-S4N20A.pdf
• TF3020-AAAA-S2N20A.pdf
• TF3020-AAAB-S2N20A.pdf
• TF3020-AAAB-S4N20A.pdf
• TF3020-AABB-S2N20A.pdf
• TF3020-CACB-S2N20A.pdf
• TF3026-AAAA-S4A20A.pdf
• TF3026-AAAB-S4N20A.pdf
• TF3737A-AAAA-S4A16A.pdf
• TF3737B-AAAA-S4A16B.pdf
• TS5252-AADF-S4W26A.pdf
• TS5252-AADG-S4W26A.pdf
• TS5252-AADP-S4W26A.pdf