Features
1. Micro-Miniature, light operating
2. It has good feeling and long life
3. Snap-in type, can be mounted directly on P. C. Board and good for electrostatic discharge
4. It has a lot of choices for button shape and height and it is easily to install

Basic specfication parameter
Electrical Characteristics:
1. Contact Resistance: ≤ 100m Ω
2. Insulation Resistance: ≥ 100m Ω DC250V
3. Withstand Voltage: AC500V 1 Minute
4. Electrical Life: 50, 000Cycles above(Load)
Mechanical/reliability Characteristics:
1. Operating force: 160± 50gf
2. Mechanical life: 100, 000cycles(Min)
3. Operating temperature range: -25º C+80º C
4. Ambient humidity used: ≤ 85%RH
5. Solder Ability: 245º C± 5º C 3S
6. Withstand soldering temperature: 260º C± 5º C 3S

Welding conditions
1. Hand soldering
Use a soldering iron of 30 watts, controlled at 350º C approximately 3 seconds while solder applying
2. Wave soldering/Reflow Soldering
The peak temperature of the wave oven should be set to 260º C max. Condition for soldering temperature profile

Material
1. Deystoke: Nylon/PBT Black
2. Base: Nylon/PBT
3. Contact: Copper-Silver Composite
4. Shell: IRON Tin-plated
5. Terminal: Brass Plating silver

Applications
They can operate all types of electronic equipment such as the computer, telephone, PDA, DVD digital camera, audio equipment, instrument and meter equipment, autoimmunization equipments control etc.