The SMF150A with 243V 167V 150V SOD-123F TVS ROHS manufactured by Jiangdao is a Transient Voltage Suppressor (TVS) device, designed to protect sensitive electronic components from voltage spikes. It is housed in the miniature SOD-123F package, and is RoHS compliant. The 243V, 167V, and 150V ratings indicate the automatic clamping voltage, maximum clamping voltage, and reverse stand-off voltage, respectively. The SMF150A is ideal for use in a variety of applications, including cellular phones, computers, tablets, and automotive systems.