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Vishay unveils 1 Form A single-channel relays

Posted: 17 Sep 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Vishay Intertechnology? relay? switch? telecommunications? industrial?

Vishay Intertechnology Inc. has announced the first three devices in its VOR family of hybrid solid-state relays geared to offer high reliability and noiseless switching for telecommunications, industrial, security system and metering applications. The 1 Form A VOR1142A6, VOR1142B6 and VOR1142M4 claim to provide high input-to-output isolation, current limit protection and low power consumption, and serve as replacements for traditional mechanical relays with lower reliability and shorter lifetimes.

The relays are normally open single-pole, single-throw (SPST) switches. Allowing for simple customisation, the devices feature a modular construction consisting of a gallium aluminum arsenide (GaAIAs) IRED actuation control and MOSFETs for the switch output.

The single-channel relays are offered in DIP-6 (VOR1142A6), SMD-6 (VOR1142B6) and SOP-4 (VOR1142M4) packages. Devices in the SMD-6 and DIP-6 packages promise high isolation test voltage of 5.3kV/min, while devices in the smaller SOP-4 offer isolation test voltages of 3.75kV/min. All relays offer low typical on-resistance of 22, high load current of 140mA, load voltage of 400V, and very low turn-on current of 0.25mA typical. The devices are VDE and UL certified to meet reinforced insulation requirements for most applications.

VOR1142A6, VOR1142B6 and VOR1142M4

Electronically isolated, the devices offer clean, bounce-free switching over an ambient temperature range of -40C to 100C. Typical applications include line, load, ground, signal, and alarm switches; I/O cards; ground isolation; electro-mechanical noise isolation; automation; automatic test equipment; and motor drives.

Available in tape-and-reel and tube packing, the devices are RoHS-compliant, halogen-free, and Vishay Green. Samples and production quantities of the 1 Form A solid-state relays are available with lead times of eight to 10 weeks for large orders.

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