Cherry Switches
• Thumbwheel
• Leverwheel
• Pushwheel
C & K Switches
• Miniature Thumbwheel
• Thumbwheel
• Precision Snap-Acting
• Miniature Snap-Acting
• Electrical Slip Rings
• Miniature Slip Rings
• Slip Ring Assemblies
• Standard Slip Rings
• Commutator Slip Rings
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Products Switches C & K Switches Miniature Thumbwheel Switch 3M Series
Miniature Thumbwheel Switches
3M Series
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Features/Benefits
- PCB mounting style for electronic applications
- Process compatible boot available for solder washing
- Multiple wheel markings available to customize application
Specifications
- CONTACT RATING:
- CARRY: 1 AMP continuous @ 28 V DC.
- SWITCH: 0.4 VA max., 100 mA max., 28 V DC max.
- ELECTRICAL LIFE: 100,000 actuations.
- CONTACT RESISTANCE: Below 100 milliohms typ. @ 2-4 V DC, 100 mA.
- INSULATION RESISTANCE: 109 ohms min. (dry).
- DIELECTRIC STRENGTH: 250 V RMS min. @ sea level.
- OPERATING TEMPERATURE: -10℃ to 65℃.
Dimensions
- .790 inches x .320 inches x .800 inches
Typical Applications
- Test & measurement equipment
- Instrumentation
- Computer peripherals
Materials
- HOUSING: Glass filled polyester (PBT), flame retardant (UL 94V-0).
- BASE: Glass filled nylon (UL 94V-0).
- THUMBWHEEL: Glass filled polyester (PBT), flame retardant (UL 94V-0).
- ROTOR CONTACTS: Hard gold over nickel over copper on epoxy fiberglass.
- STATOR CONTACTS: Copper alloy, with gold over nickel.
- TERMINALS: Solder clad over copper alloy. All terminals insert molded. All terminals present regardless of function
- BASE SEAL: Epoxy.
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