Vishay 18 V 1 W General Purpose Zener Diode, Single, Surface Mount, 2-Pin DO-214AC SML4746A-E3/61

Vishay SML4746A-E3/61 is a high-quality single Zener Diode engineered for stable voltage regulation in electronic circuits. It features a nominal Zener voltage of 18 V with a tight tolerance of ±5%, capable of dissipating up to 1 Watt of power. The diode is offered in a compact surface mount DO-214AC plastic package, ideal for automated PCB assembly in various industrial and automotive applications.

The low Zener impedance of 20 ohms combined with a maximum reverse leakage current of just 5 microamperes ensures stable and efficient protection against voltage fluctuations. Its operating temperature range from -65°C to 150°C underlines its suitability for harsh environmental conditions, including automotive industry requirements confirmed by the AEC-Q101 certification.

This diode supports low regulation factor demands in signal conditioning and voltage reference applications in power and discrete semiconductor equipment. The plastic housing meets UL 94 V-0 flammability standards, enhancing safety in electrical assemblies.

Typical uses include voltage stabilization, overvoltage protection, and reference voltage generation in industrial electronics, automotive control systems, and laboratory instrumentation. The diode's surface mount design supports small form-factor PCB layouts optimized for high-density electronic manufacturing.

General purpose 18 V Zener diode with 1 W power dissipation. Compact surface mount 2-pin DO-214AC package. Low Zener impedance and leakage current for stable operation. Wide operating temperature range and automotive qualification.

RoHS compliant and UL 94 V-0 rated plastic package.

This Vishay semiconductor product ensures reliability and accuracy in demanding industrial, automotive, and electronics manufacturing environments. Browse more in the Zener Diodes category on EnvMart for compatible components and technical data.