Omron B3F-4055 Tactile Switch 12x12mm Through-Hole SPST-NO 260gf

The Omron B3F-4055 is a high-quality 12×12 mm tactile switch delivering a reliable click response and a mechanical life of up to 1 million operations. Featuring a square-head plunger compatible with snap-on keycaps, momentary SPST-NO operation, and through-hole PCB mounting, it provides crisp tactile feedback with a 260 gf actuation force for accurate, positive user input. Rated at 24 V DC / 50 mA and RoHS compliant, it is well suited for control panels, embedded systems, industrial equipment, and consumer electronic interfaces.

Key Specifications

• Manufacturer: Omron
• Model Number: B3F-4055
• Product Code: 4338
• Switch Type: Tactile Switch
• Contact Configuration: SPST-NO (Normally Open)
• Operation Type: Momentary (Push-to-On)
• Mounting Type: Through-Hole (THT)
• Dimensions: 12 × 12 × 7.3 mm
• Actuator Style: Square Head / Plunger for Cap
• Operating Force: 260 gf (≈2.55 N)
• Rated Voltage: 24 V DC
• Rated Current: 50 mA
• Switch Travel: 0.30 mm
• Mechanical Life: 1,000,000 operations
• Operating Temperature: −25°C to +70°C
• Termination Style: PC Pins
• Illumination: Non-illuminated
• RoHS Compliant: Yes

Package Includes

• 1 x Omron B3F-4055 Tactile Switch

Note: Image is for representation purpose only.