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C&K COMPONENTS 8121SD3V3GE Momentary Pushbutton Switch

The 8020 Series snap-acting momentary pushbutton switches are designed for high reliability and easy panel mounting, available with various actuator types, contact materials, and terminal configurations. They feature epoxy terminal seals compatible with bottom wash cleaning, and are suitable for instrumentation, computer peripherals, and telecommunications equipment. Made from durable nylon and stainless steel, these switches support multiple poles and circuit options, including SPDT, DPDT, 3PDT, and 4PDT configurations, with optional LED indicators and custom colors. They are RoHS compliant, rated for 60,000 cycles, and operate in temperatures from -30°C to 75°C depending on the model.

Authorized Distributors
Source:Newark
Part No:8121SD3V3GE
Stock:134
Inv Date:06-15-2026
Price: Unit price: $16.97
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Source:DigiKey
Part No:8121SD3V3GE
Stock:2615
Inv Date:06-15-2026
Price: Unit price: $15.8
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Part No:8121SD3V3GE
Stock:160
Inv Date:06-16-2026
Price: Unit price: $15.02
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Part No:8121SD3V3GE
Stock:0
Inv Date:06-15-2026
Price: Unit price: $15.68
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Part No:8121SD3V3GE
Stock:5080
Inv Date:06-15-2026
Price: Unit price: $13.86
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Part No:8121SD3V3GE
Stock:0
Inv Date:06-15-2026
Price: Unit price: $9.56
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Part No:8121SD3V3GE
Stock:0
Inv Date:06-15-2026
Price: Unit price: $8.77
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Part No:8121SD3V3GE
Stock:7
Inv Date:06-16-2026
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C&K COMPONENTS 8121SD3V3GE Momentary Pushbutton Switch Specifications:

  • Contact Rating: B contact material (X25 Models): 0.4 VA max. at 20 V AC/DC; G contact material (8X21, U8X1 Models): 1 Amp at 120 V AC or 28 V DC, 0.4 VA max at 20 V AC/DC
  • Electrical Life: 60,000 make-and-break cycles at full load
  • Contact Resistance: Below 50 mΩ initial, tested at 2-4 V DC, 100 mA, for silver and gold contacts
  • Insulation Resistance: 10^9 ohms minimum
  • Dielectric Strength: 1,000 Vrms minimum at sea level
  • Operating Temperature: -30°C to 75°C (V3-V4 models), -30°C to 65°C (V9 models)
  • Case Material: Glass-filled nylon 6/6 or diallyl phthalate (DAP), UL 94V-0 flame retardant
  • Plunger Material: Glass-filled nylon or polyester (PBT), UL 94V-0
  • Housing: Stainless steel
  • Terminal Seals: Epoxy
  • Actuator Options: Snap-in, flush cap, extended, and LED versions with various colors
  • Mounting: Panel mounting with nylon frames, various mounting angles and hole patterns
  • Operating Temperature: -30°C to 75°C depending on model
  • RoHS: Compliant models available
  • Dimensions: Usually around 0.5 inches high, panel thickness compatibility varies from 0.047 to 0.125 inches

Buy the Buy CK Switches 8020 Series Part Number 8121SD3V3GE Online

Order the CK 8020 Series Momentary Pushbutton Switches online to ensure reliable operation for instrumentation, telecommunications, and computer peripherals. These switches feature epoxy terminal seals compatible with bottom wash cleaning, robust nylon and stainless steel construction, and a variety of actuator and circuit configurations, including LED indicators and custom color options. With a rated life of 60,000 cycles and RoHS compliance, they deliver durability, flexibility, and precision for demanding industrial and electronic applications.

Get CK Switches 8121SD3V3GE today—built for precision, longevity, and panel mounting flexibility in your instrumentation and telecom systems.

Frequently Asked Questions

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How do I troubleshoot issues or seek technical support for part 8121SD3V3GE?

You can download the 8121SD3V3GE datasheet or visit the C&K COMPONENTS website for support.

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