Hybrid solid-state relays provide fast switching times
There has been an expansion of Vishay’s VOR family of hybrid solid-state relays with three devices designed to deliver high reliability and noiseless switching for telecomms, industrial, security system and metering applications.
As replacements for traditional electromechanical relays, the 1 Form A VOR1142B4, VOR2142A8, and VOR2142B8 feature higher reliability and longer lifetimes, as well as fast switching times, current limit protection, and low power consumption.
The relays released today are single-channel (VOR1142B4) and dual-channel (VOR2142A8 and VOR2142B8) normally open SPST switches. The devices' modular hybrid construction allows high-performance MOSFETs for the switch output. The VOR1142B4 is offered in the SMD-4 package, while the VOR2142B8 is available in the SMD-8 and the VOR2142A8 features the DIP-8. All three devices offer a high isolation test voltage of 5,300VRMS, load voltages up to 400V, and a very low turn-on current of 0.25mA typical. The solid-state relays are VDE- and UL-certified to meet reinforced insulation requirements for most applications.
The VOR1142B4, VOR2142B8, and VOR2142A8 offer clean, bounce-free switching over an ambient temperature range of -40 to +100°C. Typical applications will include alarm switches, I/O cards, automation, battery management systems, and automatic test equipment. Available in tape-and-reel and tube packing, the devices are RoHS-compliant, halogen-free, and Vishay Green.
Samples and production quantities of the new solid-state relays are available now, with lead times of four to six weeks for large orders.
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