2Pin SMD Tactile Push Button Switch

3x6x4.5mm SMD Tactile Push Button Switch is a compact surface-mount momentary switch designed for user interface applications in compact electronic devices. Its low-profile structure and reliable tactile feedback make it suitable for use in remote controls, wearables, handheld instruments, and embedded systems.

Key Features:

• Momentary Action: Switch remains on only while pressed.
• Compact Footprint: 3mm x 6mm size ideal for dense PCB layouts.
• Low Profile: Only 4.5mm in height, suitable for slim devices.
• Strong Click Feedback: Provides clear tactile response on actuation.
• High Durability: Rated for thousands of actuation cycles.

Technical Specifications:

• Type: Surface Mount (SMD) Tactile Switch
• Operating Voltage: 12V DC max
• Rated Current: 50mA max
• Contact Resistance: ≤ 100mΩ
• Insulation Resistance: ≥ 100MΩ at 500V DC
• Dielectric Strength: 250V AC for 1 minute
• Operating Force: ~160gf (gram-force)

Mechanical Specifications:

• Package Type: SMD (Surface Mount Device)
• Actuator Type: Flat rectangular button
• Contact Type: Normally open (NO)

Dimensions:

• Length: 6.0mm
• Width: 3.0mm
• Height: 4.5mm
• Terminal Pitch: ~5.0mm

Pinout and Wiring:

• 2-pin layout with normally open contact
• Both terminals are interchangeable for polarity
• Solder pads for reflow soldering on SMD PCB

Datasheet Reference:

• Search online for “3x6x4.5mm SMD tactile switch datasheet from ALPS, Omron, or equivalent”

Applications:

• Consumer Electronics: Remote controls, gamepads, MP3 players
• Embedded Systems: Menu navigation, reset or control input
• Wearable Devices: Compact interfaces for smart bands and watches
• Medical Devices: Compact instrumentation interface buttons

Equivalent Models:

• ALPS SKRPABE010: Same size and function
• Omron B3U Series: Similar low-profile tactile switch
• Panasonic EVQ Series: Equivalent SMD tactile switches

Package Includes:

• 1 x 3x6x4.5mm SMD Tactile Push Button Switch