Description
The KNA0647A Tact Switch is a versatile, industry-standard 6×6mm momentary switch designed to provide reliable signal input for a wide array of electronic devices. By manually pressing the actuator, the switch allows for precise electrical circuit closure, making it the perfect component for triggering signals, mode changes, or operational commands in your hardware.
Engineered for endurance, the KNA0647A boasts a standard operational lifespan of 100,000 cycles, ensuring long-term reliability for your projects. With a versatile operating range—from a maximum of 12V/50mA down to as low as 1V/10μA—it is highly compatible with everything from standard control circuits to sensitive, low-power microelectronics. Its compact design and stable performance make it an essential component for custom builds, industrial control panels, and consumer electronics alike.
Note: Product images are for reference only. The actual product may vary slightly in appearance or manufacturer markings depending on stock availability.
Key Features
- Momentary Toggle: High-precision mechanical action allows for reliable electrical flow only when the button is actively pressed.
- Compact 6×6mm Footprint: Standardized size fits easily into space-constrained PCB layouts and custom enclosures.
- Long-Life Durability: Rated for a standard 100,000 operational cycles, ensuring consistency over the device’s service life.
- Versatile Electrical Rating: Supports a wide operating range, from high-signal (12V/50mA) to low-power (1V/10μA) applications.
- Stable Electrical Specs: Features low contact resistance (≤100mΩ) and high insulation resistance (≥100MΩ) for signal integrity.
- Ease of Integration: Standard configuration designed for straightforward mounting and installation in various circuit boards.
Benefits
- Proven Reliability: The 100,000-cycle rating minimizes the risk of switch failure, reducing the need for maintenance.
- Design Versatility: Suitable for a vast range of signal-based applications, from simple DIY projects to professional control systems.
- Signal Integrity: Low contact resistance ensures that every press results in a clean, stable signal transmission.
- Space-Efficient: The classic 6×6mm form factor is ideal for high-density electronic designs.
- Cost-Effective Quality: Provides professional-grade performance in a compact, affordable, and widely compatible package.
Applications
- Consumer Electronics: Ideal for power buttons, menu navigation, and function toggles on portable audio/video devices.
- Smart Home Gear: Perfect for physical trigger buttons on home automation controllers, smart lighting, and IoT modules.
- Prototyping & Hobbyist Projects: A fundamental building block for Arduino, robotics, and custom hardware interfaces.
- Computer Peripherals: Reliable component for function keys on specialized controllers and peripheral devices.
- Industrial Control Panels: Excellent for auxiliary input switches on machine interfaces and diagnostic equipment.
- Security Systems: Reliable switch for activation triggers, tamper-detection, and system reset functions.
Package Includes
- 1 x Tact Switch-KNA0647A-6×6mm
Specifications
| Parameter | Specification |
|---|---|
| Model | KNA0647A |
| Dimensions | 6.0 × 6.0 mm |
| Rated Voltage | 12V DC (Max) |
| Max Current | 50mA |
| Min Rating | 1V DC / 10μA |
| Mechanical Lifespan | 100,000 Cycles |
| Contact Resistance | ≤ 100mΩ |
| Insulation Resistance | ≥ 100MΩ |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 3 × 1 cm |
















