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New IR Transceivers: Extended Reach

Technological Enhancements for Wireless Communication

Vishay Intertechnology, Inc. has set a new benchmark in wireless communication by upgrading its TFBS4xx and TFDU4xx series of infrared (IR) transceiver modules for Infrared Data Association (IrDA) applications. These enhancements not only increase the link distance by 20% but also bolster the electrostatic discharge (ESD) robustness up to 2 kV, significantly broadening the capabilities of these devices in areas such as energy meters and monitors, industrial automation controls, mobile phones, and medical equipment.

By integrating the latest in-house IC and surface emitter chip technology, Vishay ensures the long-term availability of IRDC products for its customers, providing a reliable and cutting-edge solution for wireless data transmission. Furthermore, as direct replacements for existing devices, they offer a significant cost advantage by eliminating the need for PCB redesigns.

Innovations for Efficiency and Compatibility

The TFBS4xxx and TFDU4xxx modules stand out for their low power consumption, with an idle supply current of less than 70 μA and less than 1 μA in shutdown mode, contributing to extended battery life in portable devices. These features are crucial for maintaining energy efficiency in critical applications where energy conservation is paramount.

Compatible with the latest IrDA physical layer specification, these devices are backward compatible and are offered in top- and side-view surface-mount packages. This compatibility ensures seamless integration with existing systems, providing a plug-and-play solution that facilitates equipment upgrades without compromising functionality or performance.

Commitment to Sustainability and Flexibility

Vishay’s transceivers are not only innovative in terms of technology and performance but also comply with RoHS, are halogen-free, and part of the Vishay Green initiative, highlighting the company’s commitment to environmental sustainability. With a wide operating voltage range of 2.4 V to 5.5 V and an operating temperature range from -25° C to 85° C, these devices are designed to adapt to a variety of environments and applications, ensuring flexibility and reliability in technological deployment.

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