Multicomp Pro 1N5349B Zener Diode, 12V, 5W, DO-201AE

The Multicomp Pro 1N5349B is a high-performance Zener diode designed for reliable voltage regulation and surge protection in electronic circuits. It features a nominal Zener voltage of 12V and a robust power dissipation rating of 5W, making it suitable for managing significant energy in a compact package. Its DO-201AE case style and through-hole mounting provide a secure and straightforward installation for prototyping and production applications.

This component is characterised by a low reverse current of 2µA and a maximum impedance of 2.5Ω at 100mA, ensuring stable performance under load. It can handle transient surges of up to 180W, offering excellent protection for sensitive downstream components. With an operating temperature range extending to a maximum of 150°C, it is built to perform reliably in demanding environments.

Key Specifications & Features

• Voltage Regulation: Provides a stable 12V Zener reference voltage for precise circuit control.
• High Surge Rating: Withstands surge power of up to 180W for enhanced circuit protection.
• Robust Construction: Housed in a durable DO-201AE package, suitable for through-hole PCB mounting.
• Wide Application: Ideal for use in power supplies, voltage reference circuits, and as a protective element in various electronic designs.
• Polarity Marking: Features clear cathode band identification for correct orientation during assembly.

Engineers and hobbyists alike trust this diode for its dependable performance in stabilising voltage, clipping waveforms, and protecting against overvoltage conditions in industrial controls, educational projects, and hobbyist electronics.