SMT Sealed Pushbutton Switch
ES-26/27
ES40-P Sealed Subminiature Pushbutton Switches
This pushbutton switch features right angle, surface mount with backward terminal. Single pole single throw. Position pings are available. It is completely sealed to IP67 standards. Sealed against solder and cleaning processes. Tape & reel packaging available. This switch is perfect for Telecommunications and networking euqipment, Computer and peripherals, Instrumentation and controls.
Features
- Circuit: SPST
- Function: Off-Mom
Specification
- Contact Rating: R- 0.4 VA max @ 20 V AC or DC
- Life Cycle: 30,000 make and break cycles at full load
- Contact Resistance: 20 mΩ max. initial @2-4 VDC, 100 mA
- Insulation Resistance: 1,000 MΩ min.
- Dielectric Strength: 1,500 V RMS @ sea level.
- Degree of Protection : IP67
- Operating Temperature: -30°C to 85°C
Materials
- CASE & BUSHING: Glass filled nylon 4/6, flame retardant heat stabilized (UL94V-0)
- PLUNGER: Thermoplastic polyester or glass filled nylon (UL94V-0)
- CONTACT & TERMINAL: Copper alloy, silver plated
- SWITCH SUPPORT: Copper alloy, tin plated
- TERMINAL SEAL: Epoxy

Product Drawings

Application
- Instrumentation and controls
- Telecommunication and networking equipment
- Computer peripherals
- Youtube
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Details- Files Download
How Can You Ensure Switch Reliability in High-Density Telecom Equipment Exposed to Harsh Environments?
Our ES-26/27 SMT sealed pushbutton switch offers complete IP67 protection with surface mount technology optimized for automated assembly. The right angle design with backward terminals maximizes PCB space efficiency while the epoxy terminal seal ensures protection against moisture and contaminants during wave soldering and cleaning processes. With 30,000 cycle life and tape & reel packaging, you'll achieve consistent quality in high-volume production. Contact us to receive detailed specifications and samples tailored to your telecommunications application requirements.
Manufactured with premium materials including glass-filled nylon 4/6 flame-retardant case and bushing (UL94V-0), silver-plated copper alloy contacts and terminals, and epoxy terminal seals, the ES-26/27 ensures long-term reliability across operating temperatures from -30°C to 85°C. With contact resistance of just 20mΩ maximum initial, insulation resistance exceeding 1,000MΩ, and dielectric strength of 1,500V RMS, this sealed pushbutton switch is the ideal choice for telecommunications and networking equipment, computer peripherals, and instrumentation and control systems. RoHS compliant and lead-free, it meets the stringent requirements of modern electronics manufacturing while delivering the quality and performance that leading global brands demand.









