Vishay 20 V 1 W General Purpose Surface Mount Zener Diode SMA (DO-214AC) SML4747AHE3_A/H

Vishay SML4747AHE3_A/H is a surface mount Zener diode designed for voltage regulation applications, providing a nominal Zener voltage of 20 V and power dissipation of 1 watt. Packaged in a compact SMA (DO-214AC) form factor, this diode is optimized for assembly on printed circuit boards using surface mount technology.

The device features a single diode configuration with a 2-pin package and a standard ±5% Zener voltage tolerance. With a low Zener impedance of 22Ω, it offers high regulation precision and low noise.

Its thermal characteristics permit operation over a wide temperature range from -65°C to 150°C, making it suitable for automotive and industrial environments. The diode also exhibits a maximum reverse leakage current of just 5μA, contributing to efficiency in power-sensitive circuits.

This model complies with automotive AEC-Q101 standards and meets IEC 61000-4-2 and IEC 61760-1 approvals. It is RoHS compliant, ensuring environmental and safety standards adherence.

Typical applications include voltage clamping and regulation in power supplies, industrial control systems, and automotive electronic circuits that require reliable, high-performance Zener voltage stabilization.

Single diode configuration suitable for voltage regulation. Nominal Zener voltage of 20 V with ±5% tolerance. Maximum power dissipation of 1 watt for effective thermal handling. SMA DO-214AC package with 2-pin configuration for surface mounting.

Low Zener impedance at 22Ω ensures stable operation. Maximum reverse leakage current of 5μA provides low leakage losses. Wide operating temperature range from -65°C to 150°C. Automotive grade compliant with AEC-Q101 standard.

Certified to IEC 61000-4-2, IEC 61760-1 standards and RoHS compliant. Explore the comprehensive range of Vishay semiconductor products on EnvMart for advanced electronic design solutions.

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