Vishay Zener Diode 9.1 V 500 mW Through Hole 2-Pin SOD-27 1N5239B-TR

Vishay 1N5239B-TR is a general purpose Zener diode with a nominal voltage of 9.1 volts and maximum power dissipation of 500 milliwatts. This diode features a single element in a 2-pin SOD-27 package designed for through-hole mounting. It provides precise voltage regulation and reference, commonly used in electronic circuits to maintain a stable voltage supply.

The device tolerates ±5 percent voltage variation and operates reliably at temperatures up to 175 degrees Celsius, making it suitable for industrial, automotive, and consumer electronics applications. The low reverse leakage current of 3 microamperes minimizes power consumption and leakage losses.

Its package dimensions are compact with a length of 3.9 mm and height of 1.7 mm, ideal for tight PCB layouts. Tested at a current of 20 milliamperes, it offers maximum Zener impedance of 10 ohms which enhances voltage stability under varying load conditions.

This diode meets automotive qualification standard AEC-Q101, underscoring its suitability for automotive electronics requiring high reliability. Its general purpose Zener type supports various industrial, laboratory, and manufacturing use cases related to voltage regulation and protection.

Nominal Zener voltage of 9.1 volts with ±5 percent tolerance. Maximum power dissipation rated at 500 milliwatts for robust performance. Through-hole 2-pin SOD-27 package for straightforward mounting. Low reverse leakage current of 3 microamperes reduces energy loss.

Maximum operating temperature of 175°C for harsh environments. Test current at 20 mA to ensure consistent voltage reference. Compliance with automotive standard AEC-Q101 for reliability. Compact dimensions suitable for space-limited designs.

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