Description
The 4×4mm SMD Tactile Switch series is designed for compact PCB applications requiring reliable momentary push-button control. Available in multiple height variations ranging from 4×4×1.5mm up to 4×4×3.4mm, this switch accommodates different board and enclosure depth requirements.
Featuring normally-open momentary operation, the switch closes only while pressed, making it ideal for power, reset, and function buttons. Its SMD terminal design supports automated production with stable reflow soldering and surface-mount PCB attachment.
This tactile switch series is widely used in consumer electronics, sensor modules, remote controls, IoT devices, and embedded control systems. The durable contact structure provides long mechanical life, consistent actuation force, and reliable tactile feedback.
AVAILABLE HEIGHT VARIANTS
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4×4×1.5 mm
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4×4×2.0 mm
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4×4×2.5 mm
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4×4×3.0 mm
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4×4×3.4 mm
TECHNICAL SPECIFICATIONS
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Type: Momentary tactile push button
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Size: 4×4mm base footprint
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Height Options: 1.5mm–3.4mm
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Pins: SMD surface mounting terminals
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Contact: Normally Open
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Operation: Tactile click activation
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Applications: Compact PCBs, IoT boards, handheld devices, embedded controllers
FAQs
Q: What is the difference between height variations?
A: Height affects switch travel and placement clearance in enclosures.
Q: Is the switch normally open?
A: Yes, contact closes only while pressed.
Q: Can these switches be reflow soldered?
A: Yes, all variants support SMD reflow soldering.
APPLICATIONS / USE CASES
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IoT modules and controllers
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Wearable and portable electronics
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Reset/function button inputs
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Consumer electronics and remotes
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Development and prototype boards
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PCB repair and production
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