KH-6X6X9H-SMT-FS-D Tactile Switch: Compact Size, High Protection, and Long Service Life

Kinghelm KH-6X6X9H-SMT-FS-D is a tactile switch in an SMD-4P package. It measures 6 mm × 6 mm with a height of 9 mm, offers an IP67 protection rating, and has an operating life of 100,000 cycles. It is suitable for a wide range of applications, including consumer electronics, smart home devices, industrial control, and instrumentation.

Product Specifications

• Product Category: Tactile Switch

• Circuit Structure: Single Pole Single Throw (SPST)

• Button Shape: Round

• Mounting Method: Vertical surface mounting

• Switch Dimensions: 6 mm × 6 mm × 9 mm

• Bracket: No bracket

• Contact Current: 50 mA

• Rated Voltage: 12 V

• Illumination: None

• Protection Rating: IP67

• Lead Style: Gull-wing

• Operating Life: 100,000 cycles
  
  

Kinghelm KH-6X6X9H-SMT-FS-D Product Image

Product Features

The KH-6X6X9H-SMT-FS-D features a compact 6 mm × 6 mm design with an overall height of 9 mm, making it suitable for electronic devices with limited space. Compared with traditional, larger switches, its compact structure can effectively reduce PCB space requirements and provide greater flexibility for the layout of other components.

The product uses an SMD-4P surface-mount design, which is well suited to modern automated SMT manufacturing processes and helps improve production efficiency and soldering consistency.

In terms of circuit configuration, the product adopts a single-pole single-throw (SPST) design. When the user presses the button, the internal contacts close and generate the corresponding control signal. When the button is released, the switch returns to its original state. This momentary switching mechanism is simple and reliable, making it suitable for applications such as power control, function confirmation, menu selection, mode switching, and system reset.

The product has a rated voltage of 12 V and a contact current of 50 mA, making it primarily suitable for low-voltage, low-current signal control circuits. In practical applications, tactile switches are commonly used as input components for microcontrollers, control ICs, or logic circuits. When the user presses the button, the system detects the corresponding logic-level change and executes subsequent functions according to the programmed control logic, providing excellent versatility.

Protection Performance and Operating Life

The KH-6X6X9H-SMT-FS-D features an IP67 protection rating, which is one of its key characteristics. For electronic equipment, the ingress of dust, moisture, and liquids may affect the normal operation of internal switch contacts. A high level of protection can improve product reliability in demanding environments, making the switch suitable for industrial control equipment, outdoor electronic products, and applications exposed to dust or moisture.

It should be noted that the IP67 rating applies to the switch itself and does not necessarily mean that the entire device or system will achieve the same protection level. The actual protection performance of the complete product must also be evaluated based on PCB design, enclosure construction, and the overall sealing structure.

In terms of reliability, the product has an operating life of 100,000 cycles. For devices requiring frequent button operation, a long service life can improve long-term system stability and reduce maintenance and replacement costs caused by switch failure. Therefore, the product can be considered for both consumer electronics and industrial equipment requiring a certain level of operational frequency.

Structure and Mounting Features

The KH-6X6X9H-SMT-FS-D uses a vertical mounting configuration with gull-wing leads. The gull-wing lead design is well suited to automated placement and reflow soldering processes, allowing convenient connection to PCB pads while also facilitating solder-joint inspection.

The product features a round button design, providing intuitive operation. Its 9 mm height is suitable for products requiring a higher button operating position, such as devices with thick enclosures, deep panel openings, or applications where the switch needs to extend from the PCB toward the external operating surface. Designers can combine the switch with keycaps, silicone buttons, or other external structures according to specific product requirements.

The product does not include a bracket, resulting in a relatively simple overall structure. It also has no integrated LED and is mainly intended for basic button control and signal triggering. If status indication is required, it can be implemented through an external LED, display, or other electronic circuitry.

Application Areas

With its compact size, IP67 protection rating, and operating life of 100,000 cycles, the KH-6X6X9H-SMT-FS-D can be used in a variety of electronic products, including smart home devices, consumer electronics, industrial control equipment, instrumentation, communication equipment, security devices, and portable electronic products.

For control systems requiring reliable button input, the product can serve as an important human-machine interface component. For example, in equipment control panels, users can send operating commands to the main control system by pressing the tactile switch. In industrial control equipment, the switch can be used for function selection, parameter confirmation, and device reset. In compact consumer electronic products, its 6 mm × 6 mm footprint helps save valuable internal space.

Kinghelm KH-6X6X9H-SMT-FS-D Datasheet

Conclusion

Overall, the Kinghelm KH-6X6X9H-SMT-FS-D is a tactile switch that combines compact size, reliability, and environmental adaptability. It features a 6 mm × 6 mm compact footprint, an SMD-4P surface-mount structure, and a vertical mounting configuration, while offering a 12 V rated voltage, 50 mA contact current, IP67 protection rating, and 100,000-cycle operating life.

For electronic equipment requiring reliable button control, low-voltage signal input, and strong environmental adaptability, this product offers solid application value. During the component selection process, engineers can evaluate the switch in combination with available PCB space, circuit parameters, overall product structure, and the actual operating environment to fully utilize its performance advantages and provide stable and reliable human-machine interaction and control functions for electronic devices.

About Kinghelm

Shenzhen Kinghelm Electronics Co., Ltd.（www.kinghelm.net）has technical backbones from Tsinghua University and UESTC, and has introduced overseas returnee professionals. Kinghelm is able to develop highly reliable and high-performance antenna and connector products.KH series products of "Kinghelm" brand include Beidou/GPS antennas, RF adapter connectors, plug connector, electrical data connectors, terminals, and customized vehicle harnesses, industrial / medical connectors, and special antenna connectors."Kinghelm connects world", Kinghelm has grown with the development of China's Beidou industry. Starting from supplying Beidou/GPS dual mode antennas, IPEX terminals, and RF adapter cables for automotive manufacturers, Kinghelm has continuously developed products. Currently, it has a series of WiFi, Bluetooth, NB-loT, LoRa, Zigbee, UWB, and GSM antennas, RFID tags, RF adapter cables, standard microwave antennas, vehicle grade SMA, SMB, FAKRA holders, coaxial cables, and can customize non-standard antenna connectors based on customer drawings or samples.

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