onsemi Zener Diode 18 V 1.5 W Surface Mount 2-Pin DO-214AC 1SMA5931BT3G

onsemi 1SMA5931BT3G Zener Diode is a high-quality voltage regulator diode optimized for reliable operation in electronic circuits requiring precise voltage stabilization. It supports power dissipation up to 1.5 W, making it suitable for various applications in industrial electronics, automotive electronics, power supplies, and instrumentation.

The diode configuration is single-element with a nominal Zener voltage of 18 V and a tolerance of ±5%, ensuring efficient voltage regulation. Its surface mount package type DO-214AC and 2-pin construction enable easy placement on modern PCB assemblies.

With a maximum reverse leakage current of 500 nA and a test current of 20.8 mA, this diode provides minimal leakage and stable operation under tested electrical conditions. The maximum Zener impedance of 12 ohms further ensures stable voltage output under load variations.

The device is engineered to operate reliably across a broad temperature range from -65°C to 150°C, making it highly suitable for automotive and harsh industrial environments. This is reinforced by its compliance with the AEC-Q101 automotive standard and RoHS environmental directive.

Measuring 5.59 mm in length and 2.2 mm in height, its compact form factor enables efficient space utilization in compact circuit designs. It is an ideal component for use in power regulation circuits, protection circuits, and precision voltage reference applications within electronics manufacturing, automotive electronics systems, and design labs.

This Zener diode sustains stable voltage regulation at nominal 18 V. Surface mount DO-214AC package supports automated assembly. 1.5 W maximum power dissipation ensures durable performance in demanding conditions. Extensive operating temperature range meets automotive and industrial criteria.

Complies with RoHS and automotive AEC-Q101 standards for quality and environmental safety. Low reverse leakage current and impedance provide efficient circuit protection and stability. Compact dimensions ensure suitability for modern small form factor electronics.

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