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NKK Switches BB26AB Subminiature Pushbutton

The BB series are compact, process-sealed subminiature antistatic pushbuttons ideal for low-voltage logic circuits. Featuring industry-leading size, the switches support both momentary and maintained circuits with tactile, tilt, and sealed body options. Their antistatic superstructure prevents static discharge, enhancing contact stability and reliability, especially in sensitive electronic applications. They are equipped with award-winning contact mechanisms ensuring smooth actuation. The switches are temperature-rated from -30°C to +85°C, resistant to humidity, vibration, and shocks, making them suitable for various industrial and electronic environments.

Authorized Distributors
Source:DigiKey
Part No:BB26AB
Stock:659
Inv Date:06-17-2026
Price: Unit price: $34.47
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Source:DigiKey
Part No:BB26AB
Stock:0
Inv Date:06-17-2026
Price: Unit price: $9.15
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Part No:BB26AB
Stock:0
Inv Date:06-18-2026
Price: Unit price: $9.15
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Part No:BB26AB
Stock:0
Inv Date:06-17-2026
Price: Unit price: $9.65
Buy/RFQ:
Part No:BB26AB
Stock:534
Inv Date:06-17-2026
Price: Unit price: $8.93
Buy/RFQ:

NKK Switches BB26AB Subminiature Pushbutton Specifications:

  • Flammability: UL 94V-0
  • Contact Resistance: 50 milliohms maximum
  • Insulation Resistance: 500 megohms minimum @ 500V DC
  • Dielectric Strength: 500V AC minimum for 1 minute
  • Mechanical Life: 50,000 operations (momentary), 25,000 (alternate)
  • Nominal Operating Force: 2.55N (momentary), 2.94N (alternate)
  • Pretravel: 0.028” (0.7mm) (momentary), 0.039” (1.0mm) (alternate)
  • Overtravel: 0.016” (0.4mm) (momentary), 0.039” (1.0mm) (alternate)
  • Total Travel: 0.043” (1.1mm) (momentary), 0.079” (2.0mm) (alternate)
  • Materials: Polyacetal plunger, carbon blended polyamide bushing, glass fiber reinforced polyamide case
  • Operating Temp Range: -30°C to +85°C
  • Humidity Resistance: 90-95% RH for 96 hours @ 40°C
  • Vibration: 10-55Hz with 1.5mm amplitude, 1 min cycle
  • Shock Resistance: 50G acceleration in all directions
  • Terminal Spacing: 0.100” x 0.100” (2.54mm x 2.54mm)
  • Soldering: Wave and manual soldering compatible
  • Standards: UL9AV-0 (available), designed for low-voltage circuits

Buy the Buy NKK Switches BB Series Pushbuttons Part Number BB26AB Online

Purchase the NKK BB Series subminiature pushbuttons online today to ensure high-quality, sealed, antistatic, and reliable switching solutions for your electronic projects. Designed for low-voltage logic applications, these switches offer tactile feedback, compact size, and outstanding stability. Their robust construction withstands harsh environments with temperature resistance from -30°C to +85°C, humidity, vibration, and shock resistance. Available in momentary and maintained circuits, they are perfect for PCB mounting, providing lasting performance in space-constrained and sensitive electronic devices.

Buy NKK Switches BB26AB now and experience unmatched reliability and performance in compact, antistatic, sealed pushbutton switches.

Frequently Asked Questions

Where can I buy NKK Switches BB26AB?

You can click on the BUY or RFQ button to purchase BB26AB from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part BB26AB?

You can download the BB26AB datasheet or visit the NKK Switches website for support.

Who is the manufacturer of BB26AB?

NKK Switches

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