myMectronic
myMectronic

A Premier B2B Part Search

NKK Switches FMBN04BD Membrane Switch Keypad

A versatile membrane keypad designed for user input interfaces, featuring a flexible, durable membrane with conductive traces that reliably register key presses. Suitable for electronic control panels, it offers options with 4, 12, or 16 keys, illuminated or nonilluminated, and easy mounting with adhesive backing. Equipped with tactile actuating domes for crisp feedback, it supports customized legends via insertable legend cards for nonilluminated models and surface sheet legends for illuminated types. Power consumption is minimal, with a power level of 20mA at 24V DC, and it is rated for extended operational life of 1,000,000 cycles, ensuring long-lasting performance in industrial environments.

Authorized Distributors
Source:DigiKey
Part No:FMBN04BD
Stock:123
Inv Date:06-17-2026
Price: Unit price: $32.52
Buy/RFQ:
Part No:FMBN04BD
Stock:4
Inv Date:06-18-2026
Price: Unit price: $32.18
Buy/RFQ:
Part No:FMBN04BD
Stock:0
Inv Date:06-17-2026
Price: Unit price: $31.92
Buy/RFQ:
Part No:FMBN04BD
Stock:6
Inv Date:06-17-2026
Price: Unit price: $29.25
Buy/RFQ:

NKK Switches FMBN04BD Membrane Switch Keypad Specifications:

  • Number of Keys: 4, 12, or 16 keys
  • Tail Pitch: 1.0mm (.039")
  • Power Level: 20mA @ 24V DC
  • Contact Resistance: 5000 max (10mA @ 10V DC)
  • Insulation Resistance: 100 megohms minimum @ 250V DC
  • Dielectric Strength: 250V AC for one minute
  • Operational Life: Minimum 1,000,000 operations
  • Contact Timing: 10 milliseconds max
  • Operating Temperature Range: -15°C to +50°C (+5°F to +122°F)
  • Stroke: 016" ~ 039" (0.4mm ~ 1.0mm) nonilluminated, 020" ~ 047" (0.5mm ~ 1.2mm) illuminated with surface sheet
  • LED Type: Surface-mounted, amber color
  • Forward Voltage: 2.1V typical, forward current 20mA, maximum 30mA
  • Reverse Voltage: 5.0V maximum
  • Connector Options: Straight or right-angle FCI connectors (5-pin or 8-pin)
  • Mounting: Adhesive backing for easy installation
  • Legend Customization: Insertable legend cards for nonilluminated; embossed legends for illuminated models

Buy the NKK FMBN04BD – Reliable Membrane Switch for Industrial Applications

Order the NKK membrane switch keypad FMBN04BD online now and experience its durable design, customizable legends, and tactile feedback. Perfect for industrial control panels, it features easy mounting with adhesive backing and supports high cycle durability of 1,000,000 operations. Its flexible membrane layer and conductive traces ensure precise key registration, whether nonilluminated or illuminated with surface sheet legends. Invest in long-lasting, high-quality electronic control components that enhance your system’s reliability and user experience—order today for fast, secure online delivery.

Get NKK membrane switch keypad FMBN04BD today—constructed with durable materials and customizable legends, ideal for reliable control interfaces.

Frequently Asked Questions

Where can I buy NKK Switches FMBN04BD?

You can click on the BUY or RFQ button to purchase FMBN04BD from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part FMBN04BD?

You can download the FMBN04BD datasheet or visit the NKK Switches website for support.

Who is the manufacturer of FMBN04BD?

NKK Switches

NKK Switches Part List

Browse and search other NKK Switches parts, locate datasheets and stock

Sponsored by