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The OMRON B3F-4050 is a pushbutton switch from OMRON's B3F series. Below are the factual specifications, descriptions, and features:

Specifications:

• Type: Tactile Pushbutton Switch
• Contact Configuration: SPST (Single Pole, Single Throw) – Normally Open (NO)
• Operating Force: 1.47 N (150 gf)
• Pre-Travel: 0.25 mm (min)
• Total Travel: 0.5 mm (min)
• Electrical Rating: 50 mA at 12 VDC
• Contact Resistance: 100 mΩ (max)
• Insulation Resistance: 100 MΩ (min) at 500 VDC
• Dielectric Strength: 250 VAC for 1 minute
• Mechanical Life: 100,000 cycles (min)
• Operating Temperature Range: -25°C to +70°C
• Storage Temperature Range: -40°C to +80°C

Description:

The B3F-4050 is a compact, surface-mount tactile switch designed for use in various electronic applications. It provides reliable switching performance with a tactile feedback mechanism.

Features:

• Compact Design: Small footprint suitable for space-constrained applications.
• Tactile Feedback: Provides a clear click response for user feedback.
• Surface-Mount Type (SMD): Designed for automated PCB assembly.
• Gold-Plated Contacts: Ensures low contact resistance and durability.
• Sealed Construction: Protects against dust and contaminants.

This switch is commonly used in consumer electronics, industrial controls, and communication devices. For detailed mechanical dimensions and PCB layout, refer to the official OMRON datasheet.