SERWHAUOA is a microminiature SPDT momentary key switch manufactured by C&K Components as part of the DIGITAST series. It features a single changeover contact arrangement with non-shorting mode of operation, gold contact material, and is designed for low-level switching in medical, instrumentation, industrial electronics, and audio applications. The switch offers high reliability with an operating life of =5×108 operations in momentary mode, initial contact resistance of =50 mO, and operates across a temperature range of -25°C to +85°C. With a maximum switching voltage of 24 V DC and maximum switching current of 10 mA DC, combined with RoHS compliance and compatibility with both wave and hand soldering processes, this switch provides a ready-to-implement solution for PCB integration with excellent long-term performance and reliability.