C&K 8121 Miniature Momentary Pushbutton Switch The C&K 8121 is a high-quality miniature momentary pushbutton switch designed for reliable performance in various electronic applications. Its compact design and robust construction make it suitable for use in telecommunications equipment, computer peripherals, and instrumentation. Key Features Switch Function: Single Pole Double Throw (SPDT) with an ON-(ON) momentary action. Electrical Ratings: Supports up to 1A at 120V AC and 1A at 28V DC, accommodating both AC and DC circuits. Contact Material: Gold over silver contacts ensure low contact resistance and enhanced durability. Actuator Design: Features a prominent, round white plunger for easy operation. Mounting: Designed for panel mounting with solder lug terminals, facilitating straightforward installation. Durability: Rated for 60,000 make-and-break cycles at full load, ensuring long-term reliability. Operating Temperature Range: Functions effectively within a temperature range of -30°C to +75°C, suitable for various environmental conditions. Compliance: Meets RoHS standards, ensuring environmental safety and compliance. Applications The C&K 8121 pushbutton switch is ideal for applications requiring a reliable momentary switch, including: Telecommunications equipment Computer peripherals Instrumentation Its positive tactile feedback and wide variety of termination options make it a versatile choice for designers and engineers. Specifications Contact Rating: 1A at 120V AC; 1A at 28V DC Contact Resistance: Below 50 milliohms typical initial at 2-4 V DC, 100 mA Insulation Resistance: Minimum of 1G? Dielectric Strength: 1,000 Vrms minimum at sea level Electrical Life: 60,000 cycles at full load Operating Temperature: -30°C to +75°C Mounting: Panel mount with solder lug terminals Actuator Color: White Contact Plating: Gold over silver The C&K 8121 pushbutton switch combines durability, reliability, and ease of use, making it an excellent choice for various electronic applications requiring momentary switching.