onsemi 18 V Zener Diode Single 3 W Surface Mount 2-Pin DO-214AA 1SMB5931BT3G

onsemi 1SMB5931BT3G is a high-quality Zener Diode engineered for voltage regulation applications requiring a nominal Zener voltage of 18 V and power dissipation rating of 3 W. This discrete semiconductor device features a single diode configuration optimized for surface mount technology with a DO-214AA package, offering a compact and robust form factor.

The diode's tight zener voltage tolerance of ±5% ensures precise voltage regulation, while its maximum operating temperature of 150°C allows stable performance in industrial, automotive, and electronic manufacturing environments.

Electrical characteristics include a low maximum reverse leakage current of 1 μA and a maximum zener impedance of 12 Ω, making it well suited for sensitive electronic protection applications. The device is designed to handle a test current of 20.8 mA under standard test conditions.

Physical dimensions make the diode a practical choice for space-constrained PCB layouts with a length of 5.6 mm and a height of 2.47 mm. The component meets stringent environmental and quality standards such as RoHS compliance and AEC-Q101 automotive certification, ensuring durability and reliability in various operating conditions.

Typical applications include voltage regulation and clipping, transient voltage suppression in power supplies, and protecting circuits against voltage spikes. The 2-pin configuration simplifies integration into surface mount assembly processes in commercial, industrial, and automotive electronic systems.

This diode supports stable voltage regulation in varied industrial and electronic applications. Its compact size and surface mount compatibility facilitate modern PCB assembly techniques. Compliance with RoHS and automotive standards emphasizes the product’s quality and reliability.

Designed for use in discrete semiconductor circuits requiring precise voltage control. Robust operating temperature range and low leakage current enable dependable long-term performance.

Choose the onsemi 1SMB5931BT3G for dependable voltage regulation solutions with proven industrial robustness. Explore our broad catalog of semiconductor components at EnvMart for complementary products and expert support.

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