The MMSZ5242BS-7-F is a Zener Diode manufactured by Diodes Incorporated. It is a 12V, 200 mW device enclosed in a SOD-123 package. It is designed for applications such as voltage regulation, voltage clamping, and transient suppression. It has a low temperature coefficient for improved line regulation, and a high power rating for improved ruggedness. It also features a reverse power protection capability, providing circuit protection in situations where the diode is over-stressed or malfunctions. The MMSZ5242BS-7-F is ideal for use in a variety of circuits, including automotive electronics, consumer electronics, and industrial control systems.