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NKK Switches B12EP Subminiature Toggle Switch

The B12EP toggle switch is a compact, high-reliability device designed for precise control in space-constrained electronic applications. It features a sealed body construction that prevents contact contamination, making it ideal for low-voltage, low-current logic-level circuits. The switch uses award-winning STC contact mechanisms for smooth operation, increased contact stability, and enhanced logic-level reliability. It supports various configurations, including standard and panel seal mounting, with optional locking levers and caps. Its durable materials and environmental resistance ensure consistent performance in demanding conditions.

Authorized Distributors
Source:DigiKey
Part No:B12EP
Stock:364
Inv Date:06-17-2026
Price: Unit price: $21.83
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Source:DigiKey
Part No:B12EP
Stock:0
Inv Date:06-17-2026
Price: Unit price: $6.4
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Part No:B12EP
Stock:30
Inv Date:06-18-2026
Price: Unit price: $6.53
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Part No:B12EP
Stock:0
Inv Date:06-17-2026
Price: Unit price: $6.66
Buy/RFQ:
Part No:B12EP
Stock:358
Inv Date:06-17-2026
Price: Unit price: $6.07
Buy/RFQ:

NKK Switches B12EP Subminiature Toggle Switch Specifications:

  • Electrical Capacity (Resistive Load): 0.4VA max @ 28V AC/DC
  • Contact Resistance: 50 milliohms max
  • Insulation Resistance: 500 megohms min @ 500V DC
  • Dielectric Strength: 500V AC min for 1 minute
  • Mechanical Life: 100,000 operations min
  • Electrical Life: 50,000 operations min
  • Nominal Operating Force: 1.47N (long paddle, momentary), 1.18N (maintained)
  • Contact Timing: Nonshorting, break-before-make
  • Angle of Throw: 26°
  • Materials & Finishes: Nickel plated brass, carbon blended polyamide, nitrile rubber, glass fiber reinforced polyamide, phosphor bronze, copper alloy
  • Operating Temperature Range: -30°C to +85°C
  • Humidity: 90-95% RH for 96 hours @40°C
  • Vibration: 10-55Hz, peak-to-peak amplitude 1.5mm
  • Shock: 50G acceleration
  • Mounting Torque: 30-3.98 Nm (Al actuator with threaded bushing)
  • Soldering: Wave soldering recommended, manual soldering, automated cleaning compatible
  • Standards & Certifications: UL9AV-0, not tested for UL recognition or CSA
  • Environmental Resistance: Sealed design for contamination prevention, static discharge protection

Buy the NKK Series B Process Sealed Subminiature Toggle: B12EP

Order the NKK B12EP toggle switch online today for a compact, reliable, and environmentally sealed contact solution. Perfect for low-voltage, space-constrained applications, this switch offers smooth operation, static discharge protection, and proven durability with over 100,000 mechanical operations. Designed with high-quality materials and precision engineering, it ensures long-lasting performance for industrial, control, or instrumentation needs. Shop now to improve your electronic designs with a high-performance switch that guarantees consistent, dependable switching in demanding environments.

Buy NKK B12EP toggle switch now and experience unmatched reliability, space-saving design, and excellent environmental sealing for your electronics projects.

Frequently Asked Questions

Where can I buy NKK Switches B12EP?

You can click on the BUY or RFQ button to purchase B12EP from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part B12EP?

You can download the B12EP datasheet or visit the NKK Switches website for support.

Who is the manufacturer of B12EP?

NKK Switches

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