Vishay 19.59 V 500 mW Surface Mount Zener Diode 2-Pin DO-219AC (MicroSMF) PLZ20B-HG3_A/H

Vishay PLZ20B-HG3_A/H is a 19.59 V Zener diode designed for surface mount applications, featuring a compact DO-219AC (MicroSMF) 2-pin package. This discrete semiconductor component delivers a maximum power dissipation of 500 mW, providing excellent voltage regulation and stability for various electronic circuits.

Constructed with silicon planar technology, the diode ensures ultra-low leakage current (200 nA) and a maximum Zener impedance of 28 ohms, making it ideal for precise voltage reference and protection functions. It is rated for operation between -55°C and 150°C, suitable for harsh industrial and automotive environments.

The PLZ series supports wave and reflow soldering with a high temperature capability of up to 260°C at the terminals, enabling robust assembly in modern manufacturing lines. The diode's general purpose Zener characteristics make it versatile for power management, voltage stabilization, and electronic protection in industrial machines, automotive electronics, telecommunications, and consumer devices.

Compliance with IEC 61000-4-2 and IEC 61760-1 standards ensures electromagnetic compatibility and reliability. The diode also meets the automotive testing standard AEC-Q101, affirming its suitability for rigorous applications in vehicles and transportation systems.

This diode features a low profile DO-219AC (MicroSMF) package. Maximum power dissipation is 500 milliwatts for reliable operation. The device has a low leakage current of 200 nA and an impedance of 28 ohms. It operates effectively within temperatures from -55°C to 150°C.

Designed for general purpose Zener applications with excellent stability. Supports high temperature soldering of 260°C at the terminals for durability. Complies with IEC 61000-4-2, IEC 61760-1 standards and RoHS directive.

Package includes a 2-pin configuration suitable for surface mounting. Automotive grade tested to AEC-Q101 standard.

This Vishay Zener Diode is a reliable component choice for engineers in electronics manufacturing, automotive engineering, and industrial control systems. It is best sourced through specialized electronics distributors for production lines requiring stable voltage regulation and protection.

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