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1SMA5939BT3G from ON,ON Semiconductor

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1SMA5939BT3G

Manufacturer: ON

1.5 Watt Plastic Surface Mount Zener Voltage Regulators

Partnumber Manufacturer Quantity Availability
1SMA5939BT3G ON 56000 In Stock

Description and Introduction

1.5 Watt Plastic Surface Mount Zener Voltage Regulators **Introduction to the 1SMA5939BT3G Zener Diode from ON Semiconductor**  

The **1SMA5939BT3G** is a high-performance surface-mount Zener diode designed for voltage regulation and transient suppression in electronic circuits. Part of ON Semiconductor’s **1SMA series**, this component offers a precise breakdown voltage of **5.6V** with a power dissipation rating of **1.5W**, making it suitable for a variety of applications, including power management, overvoltage protection, and signal clamping.  

Featuring a **SMA (DO-214AC) package**, the 1SMA5939BT3G provides excellent thermal characteristics and mechanical stability, ensuring reliable performance in compact designs. Its low leakage current and sharp breakdown characteristics enhance efficiency in voltage stabilization tasks.  

Key specifications include a **±5% tolerance** on the Zener voltage and an operating temperature range of **-65°C to +150°C**, making it robust for industrial and automotive environments. The diode’s fast response to transient voltage spikes also makes it ideal for protecting sensitive circuitry from electrostatic discharge (ESD) and other electrical disturbances.  

Engineers often integrate the 1SMA5939BT3G into power supplies, communication systems, and consumer electronics where stable voltage references are critical. Its combination of precision, durability, and compact form factor makes it a versatile choice for modern electronic designs.

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