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NKK Switches CWSB21AA2H Miniature Power Switch

A miniature rocker switch designed for snap-in installation, ideal for electronic devices requiring reliable and compact toggle control solutions with durable contacts and snap-in mounting. Suitable for various applications, it features high insulation resistance, strong dielectric strength, and low contact resistance, ensuring dependable operation. Built from polycarbonate and polyamide materials, it offers a stable, dust-proof construction with silver alloy contacts and epoxy-sealed terminals, supporting long mechanical and electrical life for industrial and consumer electronics.

Authorized Distributors
Source:DigiKey
Part No:CWSB21AA2H
Stock:126
Inv Date:06-17-2026
Price: Unit price: $7.7
Buy/RFQ:
Part No:CWSB21AA2H
Stock:108
Inv Date:06-18-2026
Price: Unit price: $7.57
Buy/RFQ:
Part No:CWSB21AA2H
Stock:96
Inv Date:06-17-2026
Price: Unit price: $3
Buy/RFQ:
Part No:CWSB21AA2H
Stock:36
Inv Date:06-17-2026
Price: Unit price: $7.02
Buy/RFQ:

NKK Switches CWSB21AA2H Miniature Power Switch Specifications:

  • Power Level: 6A @ 250V AC for resistive load
  • Contact Resistance: 20 milliohms maximum
  • Insulation Resistance: 500 megohms minimum @ 500V DC
  • Dielectric Strength: 1,500V AC minimum between contacts for 1 minute, 3,000V AC minimum between contacts and case for 1 minute
  • Mechanical Life: 30,000 operations minimum
  • Electrical Life: 10,000 operations minimum for resistive loads & 6,000 for inductive loads
  • Nominal Operating Force: 2.50N
  • Temperature Range: -10°C to +70°C (+14°F to +158°F)
  • Housing Materials: Polycarbonate for rocker, Polyamide for housing, Laminated thermosetting sheets for base
  • Contact Materials: Silver alloy and brass with silver plating
  • Terminals: Copper with silver plating, epoxy sealed
  • Mounting: Snap-in front panel, compatible with standard PCB or quick connect terminals

Buy the NKK Series CW Miniature Power Rockers: CWSB21AA2H

Purchase the NKK miniature rocker switch online today for high-quality, reliable toggle control. Designed for easy snap-in installation, with durable silver alloy contacts, excellent insulation resistance, and dust-proof construction. Perfect for compact electronic devices requiring dependable switch operations, long life, and stable performance. Enjoy fast shipping and secure checkout to enhance your electronic project's durability and functionality with this robust, versatile switch, suitable for industrial, commercial, or consumer applications.

Get NKK CWSB21AA2H today—built for precision, durability, and reliable toggle control in compact designs.

Frequently Asked Questions

Where can I buy NKK Switches CWSB21AA2H?

You can click on the BUY or RFQ button to purchase CWSB21AA2H from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part CWSB21AA2H?

You can download the CWSB21AA2H datasheet or visit the NKK Switches website for support.

Who is the manufacturer of CWSB21AA2H?

NKK Switches

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