Grayhill | 87FC3-201

Series 87 Low Profile Four Button Individial Keyswitch

Keyswitches For Any Need - design keyboards and individual keyswitches to virtually any configuration without costly tooling using the Series 87 low profile modular keyboard switches.

Prototypes and small quantities: create your own with economical, insertable legend style modules.

The Series 87 switches feature the Grayhill Snap Dome Contact System - hear and feel button actuation, you're assured of reliable button actuation with the metal snap-dome under each Series 87 button. When actuated, the dome changes shape, providing audible and tactile feedback to the operator.

Features:

• 1, 2, 3, 4, 5 and 6 Button Individual Keyswitches
• 12 and 16 Button Keypads
• Maintain 1/2" Button Centers, no matter how you mount modules or what combination you use
• Up to 3,000,000 Operations per Button
• Low Profile Design

Specifications:

• Rating at 24 Vdc: 10 milliamps, resistive
• Contact Resistance: MOS, CMOS, TTL, DTL compatible (10 ohms maximum)
• Voltage Breakdown: 250 Vac between mutually insulated parts
• Insulation Resistance: 1,000 megohms min
• Life Expectancy: 3,000,000 operations per button
• Contact Bounce: Less than 4 milliseconds at make, 10 milliseconds at break
• Housing: ABS polycarbonate, black
• Buttons: ABS plastic, white. Legends are black
• Snap-On-Cap: Clear polycarbonate
• Contact Dome: Stainless steel, selectively gold plated
• Terminals: Phosphor bronze
• Button Travel: 0.011" (0,28) nominal, total travel
• Operating Temperature: -40°C to +80°C
• Typical Operating Force: 300 grams
• Mounting: Mounts to 1/32" to 1/8" thick PC board

See the Datasheet above for Legend information and complete specifications.

Note for Production quantities: choose either custom printing or permanent molded-in legends. Call for Details.