onsemi Zener Diode Surface Mount 39 V 1.5 W 5% Tolerance 2-Pin SMA 1SMA5939BT3G

The onsemi 1SMA5939BT3G is a discrete Zener diode designed for precise voltage regulation in electronic circuits. Featuring a nominal Zener voltage of 39 V and power dissipation up to 1.5 W, it ensures reliable performance in a compact SMA surface mount package with two pins.

This diode’s single element design provides stable voltage regulation with a tolerance of ±5%, making it suitable for various applications including industrial, automotive, consumer electronics, and power supply circuits.

The component supports operating temperatures ranging from -65°C to 150°C, accommodating demanding environments. Its maximum reverse leakage current of 500 nA and maximum Zener impedance of 900 Ω contribute to dependable operation and minimal power loss.

Test current is rated at 9.6 mA to maintain consistent voltage regulation under typical usage conditions. The diode also complies with the automotive quality standard AEC-Q101, ensuring robustness for automotive and industrial use.

With compact physical dimensions of 5.59 mm length and 2.2 mm height, the 1SMA5939BT3G diode is suitable for dense PCB layouts. Its surface mount package eases automated assembly and improves production efficiency.

Nominal Zener voltage: 39 V with ±5% tolerance. Maximum power dissipation: 1.5 W. Surface mount SMA package with 2 pins. Low reverse leakage current for efficiency. Wide operating temperature range: -65°C to 150°C. Automotive standard compliance AEC-Q101.

Compact size for space-constrained designs. Single element Zener diode configuration.

This product is ideal for industrial, automotive, and electronic applications requiring precise voltage regulation with reliable surface mount components. Explore onsemi and other quality semiconductor components in the electronics and electrical categories at EnvMart.

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