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1SMA5942BT3 from ON,ON Semiconductor

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1SMA5942BT3

Manufacturer: ON

PLASTIC SURFACE MOUNT ZENER DIODES 1.5 WATTS 3.3-68 VOLTS

Partnumber Manufacturer Quantity Availability
1SMA5942BT3 ON 5000 In Stock

Description and Introduction

PLASTIC SURFACE MOUNT ZENER DIODES 1.5 WATTS 3.3-68 VOLTS The **1SMA5942BT3** from ON Semiconductor is a high-performance **Zener diode** designed for voltage regulation and protection in various electronic circuits. This surface-mount component features a **5.6V nominal breakdown voltage** with a tight tolerance, ensuring reliable operation in precision applications.  

With a **1.5W power dissipation** rating, the 1SMA5942BT3 is suitable for stabilizing voltage levels in power supplies, signal conditioning, and transient suppression. Its **SMA (DO-214AC) package** offers compactness and efficient heat dissipation, making it ideal for space-constrained designs.  

Key characteristics include a **low dynamic impedance** for stable voltage regulation under varying load conditions and a **wide operating temperature range** (-65°C to +150°C), ensuring robustness in harsh environments. Additionally, its **lead-free and RoHS-compliant** construction aligns with modern environmental standards.  

Engineers often integrate the 1SMA5942BT3 in **overvoltage protection circuits, voltage references, and clamping applications**, where consistent performance and durability are critical. Its reliability and industry-standard form factor make it a preferred choice for consumer electronics, automotive systems, and industrial controls.  

For optimal performance, proper PCB layout and thermal management should be considered to maximize efficiency and longevity in high-power applications.

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