The MCP4161-103E/P is a digital potentiometer with a 10k ohm resistance, 1 circuit, and 257 taps. It features external nonvolatile memory, integrated nonvolatile memory, and an SPI interface. It is also featured in an 8-PDIP package and is manufactured by Microchip. The MCP4161-103E/P offers a wide range of features, including adjustable wiper resistance, adjustable terminal resistance, and a low power standby mode. It is ideal for applications that require precision control of analog values, such as setting the output voltage of DC/DC converters, controlling the brightness of LEDs, filtering signals, and adjusting gain on audio amplifiers.