The BCT4157ELT-TR with DFN 1.1x0.9-6L is a low-power, dual-channel analog switch/multiplexer made by BROADCHIP, compliant with RoHS standards. It offers a high on-resistance of 75 ohms and a wide signal range of 1.8V to 3.3V. Its hiccup mode guarantee latch protection from over-supply conditions. The product offers two signal switching that helps to ensure signal integrity during switching transitions. The part features ESD protection in chassis ground and drain pins at 4000V, along with pin compatible SC70 and SOT-23 packages. It is used in applications such as audio switching, power management, instrumentation, and automotive and industrial control systems.