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EECO 81SJ8 Thumbwheel Switch

EECO’s 1800 Series thumbwheel switches are designed for applications requiring a compact and reliable switching solution. Featuring a slim .315” (8 MM) width, these switches conserve front panel space while offering easy-to-read characters and a snap-in mounting design. The 1800 Series is available in a variety of binary and decimal output codes for design flexibility, and options include F-pins for accessory PC board attachment, stop pins, and diode installation. Backed by EECO’s one-year warranty, these switches provide superior performance at an economical price and are fully compliant with European Lead-Free and RoHS directives.

Authorized Distributors
Part No:81SJ-8
Stock:15
Inv Date:06-09-2026
Price: Unit price: $9.29
Buy/RFQ:
Part No:81SJ-8
Stock:15
Inv Date:06-09-2026
Price: Unit price: $9.29
Buy/RFQ:

EECO 81SJ8 Thumbwheel Switch Specifications:

  • No. of Switching Positions: 10
  • Life: Minimum 500,000 Detents @ 10 mA, 5 VDC @ 250C
  • Tangential Operating Force: 4-16 Oz.
  • Weight: 0.15 Oz.
  • Maximum Rated Load, Non-Switching: 1A Per Common Terminal
  • Maximum Rated Load, Switching: 100 mA at 28 VDC or VAC
  • Contact Resistance (Initial): 100 mΩ Maximum
  • Contact Resistance (After Life): 200 mΩ Maximum
  • Insulation Resistance: 1,000 MΩ Minimum At 100 VDC
  • Dielectric Withstanding Voltage: 1000 VAC (Peak To Peak)
  • Operating Temperature: -200C To+650C
  • Seal: Dust Resistant
  • Plastic: Nylon, Self Extinguishing
  • Circuit Board: Base Material Glass Epoxy
  • Plating: Gold Over Nickel Plating
  • Termination: Plated Through Holes
  • Contacts: Copper Alloy, Gold Over Nickel Plating

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Frequently Asked Questions

Where can I buy EECO 81SJ8?

You can click on the BUY or RFQ button to purchase 81SJ8 from an authorized EECO distributor.

How do I troubleshoot issues or seek technical support for part 81SJ8?

You can download the 81SJ8 datasheet or visit the EECO website for support.

Who is the manufacturer of 81SJ8?

EECO

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