Product Specification
Product Description
Application Field
Why Choose Us
Product Description
- Ultra-compact SMT tactile switch optimized for smart control panels and industrial HMIs.
- Fast, crisp actuation with low profile for dense PCB layouts.
- Engineered for high demand applications requiring stable feel, long life, and automated assembly.
Key Selling Points
- Space-saving 2.0 × 3.0 mm footprint with low profile height for sleek panel designs.
- Consistent, crisp tactile feedback across a wide temperature range.
- Multiple actuation force options to match user experience and durability targets.
- Long mechanical life up to 1,000,000 cycles (application and force dependent).
- Reflow-compatible SMT terminals; supplied in tape-and-reel for high-speed pick-and-place.
- Optional sealing film and gold-plated contacts for washability and enhanced reliability.
- Full customization available: force, height, actuator style, plating, packaging, and footprint.
Typical Applications
- Smart home control panels, HVAC thermostats, building automation interfaces.
- Industrial control consoles, PLC/HMI keypads, instrumentation front panels.
- Consumer electronics, remote controls, wearables, and handheld devices.
- IIoT nodes, medical devices (non-life-support), portable test equipment.
Technical Specifications (typical)
- Type: SMT tactile switch, SPST-NO, momentary
- Size: 2.0 × 3.0 mm body; height options from 1.5 mm (low profile)
- Electrical rating: 12 VDC, 50 mA (higher/lower ratings on request)
- Contact resistance: ≤ 100 mΩ initial
- Insulation resistance: ≥ 100 MΩ at 100 VDC
- Dielectric strength: 250 VAC for 1 minute
- Operating force options: 120 gf, 180 gf, 250 gf, 320 gf (customizable)
- Travel: 0.15–0.25 mm typical
- Bounce time: < 10 ms
- Mechanical life: 300k to 1M cycles (depends on force and environment)
- Operating temperature: −40 to +85 °C (up to +105 °C on request)
- Storage temperature: −40 to +85 °C, dry conditions
- Termination: 4 SMT terminals, tin-plated; tape-and-reel packaging
- Soldering: Lead-free reflow compatible; peak 245 °C max; hand solder 350 °C, ≤ 3 s
- ESD robustness: up to 8 kV air, 4 kV contact (system-level design dependent)
Materials and Construction
- Housing: high-temperature LCP, UL94 V-0
- Actuator: PA66/POM, black or custom color
- Dome spring: stainless steel (SUS), precision formed
- Contacts: copper alloy with silver or optional gold plating
- Terminals: phosphor bronze, matte tin over nickel
- Optional sealing: PET film or elastomer membrane for IP-rated variants
Assembly and PCB Integration
- Reflow soldering per IPC/JEDEC profiles; compatible with standard no-clean flux.
- Recommended land pattern and stencil aperture available in Altium/KiCad/Eagle libraries.
- Pick-and-place friendly with optional pick cap; 8 mm tape, 3,000–5,000 pcs/reel.
- Side-actuated variant and taller actuator caps available for mechanical integration.
- Design support: footprint review, panel stack-up guidance, and light-pipe/keycap recommendations.
Reliability and Testing
- Endurance, bounce, and contact resistance tested per IEC 60512.
- Thermal cycling, high-humidity storage, and vibration/shock tested for industrial use.
- Washable option validated for aqueous cleaning; post-wash bake profile provided.
- Salt-spray and mixed-gas testing available for harsh environments (on request).
- Lot-level traceability with SPC on actuation force and electrical parameters.
Compliance and Certifications
- RoHS and REACH compliant; halogen-free options.
- Factory certified to ISO 9001 and ISO 14001.
- UL component recognition available for selected variants; IP67 on sealed models (on request).
- Material declarations and test reports provided upon request.
Ordering and Customization
- Example part code: HTS-23xx-F180-H1.5-G0-T&R
- 23xx = 2.0 × 3.0 mm series
- F180 = 180 gf force (F120/F250/F320 available)
- H1.5 = 1.5 mm height (H1.8/H2.0 optional)
- G0 = standard silver plating (G1 = gold-plated contacts)
- T&R = tape-and-reel packaging
- Lead time: samples in 2–5 days; standard production 3–4 weeks.
- MOQ: prototype reels available; full reels for mass production.
- Custom services: bespoke force curves, sealed versions, actuator geometry, laser marking.
Documentation and Support
- Downloads: datasheet (PDF), 3D STEP/IGES model, Altium/KiCad/Eagle footprints, IPC-7351 land pattern, reflow profile, reliability summary, RoHS/REACH statements.
- Engineering support: PCB layout review, HMI feel tuning, cap/overlay integration, and environmental qualification guidance.
- Evaluation: sample kits and demo PCB available; 3D and PCB design files supplied on request.
FAQ
- Is it suitable for panel washing? Choose the sealed variant with film; otherwise avoid immersion cleaning.
- Can it reach 1M cycles? Yes, with optimized force (typically 160–200 gf) and benign environment.
- Can we get higher temperature capability? A +105 °C rating is available with specific materials.
- Do you offer side-actuation? Yes, a side-act SMT version is available in the same family.
- What about gold plating for low-level signals? Optional gold-plated contacts are recommended for <10 mA or corrosive environments.
- What is the reflow profile? Standard lead-free profile with peak 245 °C, 60–90 s above 217 °C; full curve provided in the datasheet.
- Are 3D files and PCB footprints provided? Yes, STEP/IGES and native footprints for major EDA tools are available.
- Can you supply small-batch samples? Yes, we support prototype runs and sample reels with rapid dispatch.
Notes
- Specifications are typical and may be tailored to your application. Contact us for a final datasheet, samples, and customization options.