Description
The TK-043 Tact Switch is a high-precision, micro-miniature electronic component designed to deliver excellent tactile feedback and long-term operational reliability. By utilizing a sophisticated dome-technology design, this switch translates a light press on the handle into a precise contact stroke between the shrapnel and the connection point. Whether used in consumer electronics, industrial interfaces, or custom prototyping, the TK-043 provides the snappy, responsive performance required for modern user-input systems.
Engineered for seamless integration, this 4-pin switch features a snap-in design that mounts directly onto printed circuit boards (PCBs), significantly simplifying the assembly process. With an impressive lifespan of up to 1,000,000 cycles and operation within a wide temperature range of -20°C to +70°C, the TK-043 is built to endure the most demanding usage scenarios while maintaining electrical consistency.
Note: Product images are for reference only. The actual product may vary slightly in appearance or manufacturer markings depending on stock availability.
Key Features
- Excellent Tactile Feedback: High-reliability dome technology provides a crisp, satisfying “click” feel for the user.
- Micro-Miniature Design: Compact 4.5×3.3mm footprint is ideal for space-constrained modern electronic designs.
- Direct PCB Mounting: Snap-in type allows for easy, direct installation onto P.C. Boards.
- Electrostatic Discharge Protection: Designed to provide enhanced resilience against static electricity during handling and operation.
- Extensive Longevity: Built to last with a massive service life of 1,000,000 cycles.
- High Design Flexibility: Supports multiple button shapes, cap styles, and color options to match your project’s aesthetic.
- Versatile Operation: Available in varying operating force configurations (100g, 160g, 260g) to suit different tactile requirements.
Benefits
- Enhanced User Experience: The clear, responsive tactile feel significantly improves the usability of control interfaces.
- Space Efficiency: Perfect for high-density layouts where board real estate is limited.
- Durability and Reliability: Industrial-grade lifespan reduces the frequency of component failure and maintenance.
- Streamlined Production: Direct-mount design speeds up the assembly process on automated production lines.
- Versatile Customization: Wide range of cap and color options allows for professional-looking, custom-branded products.
- Cost-Effective Quality: High-performance switching technology provided in a compact, affordable package.
Applications
- Consumer Electronics: Essential for buttons on portable audio devices, calculators, and handheld gadgets.
- Home Appliances: Perfect for control panels on coffee machines, microwave ovens, and smart home modules.
- Industrial Instrumentation: Reliable switching for diagnostic settings and user-input menus in professional test equipment.
- Computer Peripherals: Ideal for function buttons on keyboards, gaming controllers, and external hardware devices.
- Custom Hardware Prototyping: A fundamental choice for engineers building custom user interfaces and hobbyist robotics.
- Communication Devices: Reliable trigger switches for mobile radios, intercoms, and wearable tech.
Package Includes
- 1 x Tact Switch-TK-043-4Pin 4.5×3.3mm
Specifications
| Parameter | Specification |
|---|---|
| Model | TK-043 (4-Pin) |
| Dimensions | 4.5 × 3.3 mm |
| Rated Voltage | 12V DC |
| Operating Force | 100g, 160g, 260g |
| Mechanical Lifespan | 1,000,000 Cycles |
| Contact Resistance | ≤ 100mΩ |
| Operating Temperature | -20°C to +70°C |
| Shipping Weight | 0.005 kg |
| Shipping Dimensions | 5 × 4 × 1 cm |












