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NKK Switches BB16APHA Subminiature Pushbutton Switch

The BB series subminiature pushbutton switch is designed for space-constrained electronic applications, offering both momentary and maintained circuits with a sealed, antistatic structure. It features industry’s smallest alternate action pushbutton with latchdown and tactile feedback, making it ideal for logic-level circuits. Its durable construction ensures reliable operation across -30°C to +85°C, with excellent resistance to humidity, vibration, and shock. Suitable for PCB mounting, it supports wave soldering and automated cleaning, providing efficient assembly in compact device designs.

Authorized Distributors
Source:DigiKey
Part No:BB16AP-HA
Stock:3225
Inv Date:06-17-2026
Price: Unit price: $12.87
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Source:DigiKey
Part No:BB16AP-HA
Stock:8
Inv Date:06-17-2026
Price: Unit price: $7.57
Buy/RFQ:
Part No:BB16AP-HA
Stock:0
Inv Date:06-18-2026
Price: Unit price: $7.55
Buy/RFQ:
Part No:BB16AP-HA
Stock:0
Inv Date:06-17-2026
Price: Unit price: $7.78
Buy/RFQ:
Part No:BB16AP-HA
Stock:5063
Inv Date:06-17-2026
Price: Unit price: $7.2
Buy/RFQ:

NKK Switches BB16APHA Subminiature Pushbutton Switch Specifications:

  • Size: 6mm diameter bushing, 1/3 size of Series M switches
  • Electrical Capacity: 0.4VA maximum @ 28V AC/DC
  • Insulation Resistance: 500 megohms minimum @ 500V DC
  • Dielectric Strength: 500V AC for 1 minute
  • Mechanical Life: 50,000 operations (momentary), 25,000 operations (alternate)
  • Operating Temp Range: -30°C to +85°C
  • Humidity Resistance: 90-95% for 96 hours @ 40°C
  • Vibration: 10-55Hz with peak-to-peak amplitude of 1.5mm
  • Shock: 50G acceleration in 6 directions
  • Pretravel: 0.028” to 0.039”, Overtravel: 0.016” to 0.039”, Total Travel: 0.043” to 0.079”
  • Materials: Polyacetal plunger, carbon blended polyamide bushing, glass fiber reinforced case
  • Terminals: Tin-plated phosphor bronze with 2.54mm spacing
  • Standards & Certifications: UL9AV-0 (not tested for UL recognition or CSA)
  • Soldering: Wave (Profile A) and manual soldering supported
  • Environmental: Sealed, dustproof, static-resistant structure

Buy the NKK Series BB Subminiature Pushbutton: BB16APHA

Discover the compact and durable subminiature pushbutton switch from NKK’s BB series, ideal for space-efficient electronics. Featuring antistatic and sealed construction, it provides tactile feedback and reliable operation in low-voltage circuits. Supports PCB mounting, wave soldering, and automated cleaning, making it perfect for modern electronic devices requiring space-saving, robust, and high-quality switches. Elevate your electronic projects with this space-efficient, high-reliability component designed for long-term performance and ease of assembly.

Get NKK BB16APHA today—built for precision, space-saving design, and long-lasting durability in electronic controls.

Frequently Asked Questions

Where can I buy NKK Switches BB16APHA?

You can click on the BUY or RFQ button to purchase BB16APHA from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part BB16APHA?

You can download the BB16APHA datasheet or visit the NKK Switches website for support.

Who is the manufacturer of BB16APHA?

NKK Switches

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