onsemi 18 V Zener Diode Voltage Regulator Single Through Hole 5 W 5% Tolerance Case 017AA 1N5355BRLG

onsemi 1N5355BRLG Zener Diode Voltage Regulator is a single-element discrete semiconductor device featuring an 18 V nominal zener voltage and a 5 W maximum power dissipation rating. Packaged in a through-hole Case 017AA form factor, it combines silicon-oxide passivated junction technology ensuring tight limits and enhanced operating characteristics. This device is ideal for voltage regulation and protection in electronic power supplies, instrumentation, and industrial control systems.

Its axial-lead transfer-molded plastic package is void-free and thermo-setting, offering outstanding environmental protection. The corrosion resistant finish and readily solderable leads assure longevity and reliability in various operating conditions. The cathode polarity is clearly marked by a color band, facilitating error-free mounting.

This zener diode supports operating temperatures ranging from -65°C to 200°C, making it suitable for industrial and commercial applications with demanding thermal environments. The device’s maximum reverse leakage current is limited to 500 nA, and it assures low zener impedance, contributing to precise voltage regulation performance. It is commonly used in power supply line regulation, reference voltage generation, and transient voltage suppression.

Single diode configuration ensures reliable voltage regulation in circuits. Through hole mounting offers ease of installation in electronic assemblies. Power dissipation rating of 5 watts supports robust electrical performance.

Case 017AA package provides mechanical protection and ease of handling. 5% zener voltage tolerance guarantees predictable voltage regulation. Maximum operating temperature up to 200°C enables high-temperature applications.

Cathode indicated by color band for correct polarity identification during installation. Corrosion resistant finish on all external surfaces for long-lasting durability. Compact dimensions of 3.68 mm height and 8.89 mm length facilitate space-saving designs.

Compliant with RoHS environmental standards.

This product is well-suited for industrial electronics, power management systems, automotive circuits (non-automotive standard), laboratory equipment, and commercial electronic devices where voltage stabilization is required.

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