Zener Diodes

Zener Diodes are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many zener diode manufacturers including Central Semiconductor, Diodes Inc, Microchip, Micro Commercial Components (MCC), Nexperia, onsemi, ROHM Semiconductor, Vishay & more.

Zener diodes are semiconductor devices specifically designed to regulate voltage and provide stable reference voltages by operating in the reverse breakdown region. Unlike standard diodes, they are engineered to maintain a consistent voltage across their terminals over a specified operating range, helping protect sensitive circuitry from voltage fluctuations and overvoltage conditions. These devices serve as essential components in voltage regulation, circuit protection, and signal conditioning applications across a wide range of electronic systems.

Types: The most common Zener diode types include standard Zener diodes, surface-mount Zener diodes, precision Zener diodes, low-power Zener diodes, high-power Zener diodes, dual Zener diodes, and automotive-grade Zener diodes, each optimized for specific voltage regulation and protection requirements.

Applications: Zener diodes are widely used in voltage regulation circuits, reference voltage generation, overvoltage protection systems, power supplies, industrial automation equipment, communication devices, consumer electronics, and embedded systems to maintain stable operating voltages and safeguard sensitive components.

Selection requirements: To choose Zener diodes, evaluate Zener voltage, power dissipation rating, tolerance, reverse leakage current, temperature stability, package type, surge handling capability, and suitability for the intended electrical and environmental conditions.

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Please view our large selection of zener diodes below.