Product Specification
Product Description
Application Field
Why Choose Us
Product Description
A compact, surface-mount tactile pushbutton with a 12 x 12 mm footprint designed for home appliance control panels and user interfaces. Delivers a crisp, consistent click, stable electrical performance, and long mechanical life under frequent use.
Key Features
- 12 x 12 mm footprint, low-profile actuator options for slim designs
- Surface-mount construction; compatible with automated pick-and-place and reflow soldering
- Distinct tactile feedback with multiple operating force options
- Long life for appliance duty cycles; reinforced housing for stability
- RoHS and REACH compliant; halogen-free
- Tape-and-reel packaging for high-volume production
Typical Applications
- Control panels for kitchen appliances (microwave, oven, coffee maker, rice cooker)
- Air purifiers, dehumidifiers, fans
- Washing machines and dryers UI boards
- Water dispensers, kettles, heaters
- Remote controls and compact appliance controllers
Electrical Specifications
- Contact rating: 50 mA at 12 VDC (max)
- Contact resistance: ≤100 mΩ (initial), ≤200 mΩ (after life test)
- Insulation resistance: ≥100 MΩ at 100 VDC
- Dielectric strength: 250 VAC for 1 minute
- Bounce time: ≤10 ms
Mechanical Specifications
- Travel: 0.25 ± 0.1 mm (typical)
- Operating force options: 160 gf, 260 gf, 320 gf (other forces on request)
- Mechanical life: up to 500,000 actuations (force-dependent)
- Actuator height options: approximately 4.3 mm, 7.0 mm, 9.5 mm
- Operating temperature: −25°C to +85°C
- Storage temperature: −40°C to +85°C
Materials and Construction
- Housing: heat-resistant PA/PBT thermoplastic
- Contacts: phosphor bronze with silver or gold-over-nickel plating
- Terminals: SMT, tin-plated
- Optional dust/splash cover available for improved contamination resistance
Soldering and Assembly
- Reflow solder compatible; peak 245°C max, ≤10 s above 230°C (verify with your profile)
- Hand soldering not recommended; if required, ≤350°C for ≤3 s per pin
- Clean using no-residue solvents; avoid ultrasonic cleaning if sealed options are not used
Mounting and Packaging
- Recommended land pattern available on request; 4-pad corner terminals for stability
- Tape-and-reel packaging; 500 or 1000 pcs/reel depending on height variant
- Protective cover tape for actuator during transport
Compliance and Reliability
- RoHS, REACH compliant; halogen-free materials
- 100% electrical test for continuity and actuation on production lots
- Process capability data and PPAP support available for OEMs
Ordering Information
- Base series: SMT Tact Switch 12x12
- Options: operating force, actuator height, plating type, packaging quantity
- Example code: STS12x12–H7.0–260gf–Ag–TR1000 (12x12, 7.0 mm height, 260 gf, silver plating, 1000 pcs reel)
Notes
- For exact pad layout, reflow profile, and height/force combinations, request the detailed datasheet.
- Consider using a protective overlay or keycap for enhanced ergonomics and splash resistance in appliance panels.
