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The OMRON B3FS-1005P is a pushbutton switch from OMRON's B3FS series. Below are its key specifications, descriptions, and features:

Specifications:

• Switch Type: Tactile Pushbutton Switch (SPST, Normally Open)
• Contact Rating: 50mA @ 12VDC (resistive load)
• Operating Force: 1.0N (approx.)
• Travel Distance: 0.25mm (pre-travel), 0.55mm (total travel)
• Electrical Life: 100,000 cycles (min.)
• Mechanical Life: 500,000 cycles (min.)
• Contact Resistance: 100mΩ (max.)
• Insulation Resistance: 100MΩ (min. at 100VDC)
• Dielectric Strength: 250VAC for 1 minute
• Operating Temperature Range: -25°C to +85°C
• Storage Temperature Range: -40°C to +85°C
• Material:
• Actuator: Polyamide (Black)
• Housing: Thermoplastic (Black)

Descriptions:

• Compact, surface-mount (SMD) tactile switch with a low-profile design.
• Suitable for PCB mounting in consumer electronics, industrial controls, and automation devices.
• Provides tactile feedback with a light operating force.

Features:

• Snap-action mechanism for reliable switching.
• Gold-plated contacts for improved conductivity and durability.
• Sealed construction (IP40 rating) for basic dust protection.
• RoHS compliant for environmental safety.

This switch is commonly used in applications requiring a small, reliable momentary switch with tactile feedback.