TE Connectivity (TE) recently launched a miniature pushbutton switches series for power and signal applications.
Marketed under the brand-name ALCOSWITCH Blue, these miniature switches incorporate an innovative snap-action mechanism that produces an extremely fast switching action. This high level of dynamics not only reduces arcing and bounces, but also provides a high number of electric life cycles. In addition, the push-on/push-off version of the switches produces a clear tactile, audible feedback to indicate that they have been properly pressed.
ALCOSWITCH Blue Series pushbutton switches are available in single-pole, double-pole and double-throw configurations (SPDT, DPDT) with push-on/push-off or momentary function. Their brass internal contacts have a silver inlay, and optional gold plating is available for signal transmission up to 60mA at 30 VDC. The silver inlay contacts have an initial resistance of =10 milliohm at 125 VAC, at 1 A at 2 ~ 4 VDC. For gold-plated contacts, the resistance is =20 milliohm at 100mA at 2~4VDC. Equipped with silver inlay brass contacts, the pushbutton switches are rated up to 250 VAC at 1.5 Amps for European applications and up to 125 VAC at 3 Amps for North American applications.
The silver-inlay version's electric lifecycle is 25,000 cycles at full current and voltage rating (resistive), and the gold-plated version is 50,000 cycles at full current and voltage rating (resistive). This compares to the UL requirement of 6,000 cycles at load.
The switches can be used at operating temperatures between -20 °C and 80 °C. The epoxy-sealed switch terminals are available either with wire lugs or in a PC board mount design. The switch case is made from UL94V-0 epoxy resin and the frame is stainless steel. Caps, available in multiple colors and in two outer diameters, must be ordered separately.
Pricing: $7 each.
Additional information on the ALCOSWITCH Blue Series pushbutton switches is available by clicking here.