1. Introduction
This manual provides essential information for the proper use, installation, and maintenance of the DAOKI 6x6x5mm Miniature Tactile Push Button Switches (Model: BG-US-91570). Please read these instructions carefully before using the product to ensure optimal performance and longevity.
2. Product Overview
The DAOKI 6x6x5mm tactile push button switches are compact, momentary contact switches designed for various electronic applications. They feature a normally open (NO) contact type and are suitable for surface-mount (SMT) installation on printed circuit boards (PCBs). This pack contains 100 individual switches.
Figure 2.1: A large quantity of DAOKI 6x6x5mm miniature tactile push button switches, showing their compact size and four-pin design for surface mounting.
Figure 2.2: A detailed view of one DAOKI 6x6x5mm tactile switch, highlighting its black button, metal casing, and four bent pins for surface mounting.
Figure 2.3: Multiple DAOKI 6x6x5mm tactile switches displayed in a circular pattern, illustrating their uniform design and small footprint.
3. Specifications
| Feature | Detail |
|---|---|
| Model Number | BG-US-91570 |
| Dimensions | 6x6x5mm (approx. 11.8 x 7.1 x 1.4 cm package) |
| Switch Type | Push-button, Tactile, Momentary |
| Contact Type | Normally Open (NO) |
| Circuit Type | Single Pole, Single Throw (SPST) |
| Mounting Type | Surface Mount (SMT) |
| Connector Type | Surface-mount (SMT) connectors |
| Contact Material | Copper, Brass |
| Operating Temperature (Max) | 70 Degrees Celsius |
| Number of Items | 100 pieces |
| Compatible Devices | A wide range of devices requiring momentary contact switches |
4. Setup and Installation
These switches are designed for surface-mount technology (SMT) installation. Proper soldering techniques are crucial for reliable operation.
- Prepare the PCB: Ensure the printed circuit board (PCB) has appropriate pads for 6x6x5mm SMT components.
- Component Placement: Carefully place the switch onto the designated pads on the PCB. Ensure correct orientation if applicable (though these switches are generally symmetrical in function).
- Soldering: Use a suitable soldering iron and solder paste for SMT components. Apply heat to the pads and component leads simultaneously to create strong, reliable solder joints. Avoid excessive heat to prevent damage to the switch or PCB.
- Inspection: After soldering, visually inspect all solder joints for proper formation, ensuring no shorts or cold solder joints.
Note: If you are unfamiliar with SMT soldering, it is recommended to seek assistance from an experienced technician or refer to specialized guides.
5. Operating Instructions
The DAOKI 6x6x5mm tactile push button switch operates as a momentary contact switch. This means it establishes an electrical connection only while the button is being pressed and breaks the connection upon release.
- Activation: To activate the switch, apply gentle pressure to the top of the black button. You will typically feel a tactile "click" indicating contact has been made.
- Deactivation: Release the pressure on the button. The internal mechanism will return the switch to its normally open state, breaking the electrical connection.
These switches are commonly used for input signals in microcontrollers, reset buttons, menu navigation, and other applications where a temporary electrical signal is required.
6. Maintenance
These tactile switches are generally low-maintenance. Adhering to the following guidelines can help ensure their longevity:
- Cleaning: Keep the switches free from dust, dirt, and moisture. If cleaning is necessary, use a soft, dry brush or a lint-free cloth. Avoid using liquid cleaners directly on the switch.
- Storage: Store unused switches in a dry, cool environment, away from direct sunlight and corrosive substances.
- Handling: Avoid applying excessive force or impact to the switch button or pins, as this can cause mechanical damage.
- Temperature: Operate and store within the specified temperature range (up to 70°C) to prevent degradation of materials.
7. Troubleshooting
If you encounter issues with your DAOKI tactile switches, consider the following troubleshooting steps:
- No Contact / Intermittent Contact:
- Check Soldering: Inspect the solder joints for cold joints, bridges, or insufficient solder. Re-solder if necessary.
- PCB Trace Integrity: Verify that the PCB traces connected to the switch are intact and not damaged.
- Mechanical Damage: Examine the switch for any visible physical damage to the button or internal mechanism.
- Button Stuck / Poor Tactile Feedback:
- Debris: Check for any foreign particles lodged around or under the button.
- Over-soldering: Ensure solder has not flowed into the switch mechanism, restricting movement.
- Excessive Force: Repeated application of excessive force can damage the internal dome switch.
If issues persist after troubleshooting, the switch may need to be replaced.
8. Warranty and Support
DAOKI products are manufactured to high-quality standards. For specific warranty information or technical support, please refer to the retailer where the product was purchased or visit the official DAOKI website. Please have your model number (BG-US-91570) and purchase details available when contacting support.