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Tiny photo relay has 1mA input LED current

The TLP3407SR, features a maximum LED current of just 1 mA at the input, which represents a reduction to approximately 33% of that of its predecessor, the TLP3407SRH.

This allows the product to offer a maximum input power dissipation of 3.3 mW.

For use with higher voltages of 5 V or more, the new device can be powered by adding an external resistor in series, allowing designers to implement a maximum trigger LED current of 0.2 mA.

This expands the range of permissible input voltages, simplifying the task of circuit design.

With the reduced input power dissipation, the new voltage drive photorelay is suitable for reducing the power consumption of a wide variety of equipment including probe cards, automatic semiconductor test equipment (ATE), semiconductor testers, and other similar applications.

The TLP3407SR is housed in a tiny S-VSON4T package that features a mounting area / footprint of just 2.9 mm2 – a reduction of around 27% when compared to the existing VSONR4 package.