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1SMA5918BT3G from ON,ON Semiconductor

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1SMA5918BT3G

Manufacturer: ON

1.5 Watt Plastic Surface Mount Zener Voltage Regulators

Partnumber Manufacturer Quantity Availability
1SMA5918BT3G ON 56000 In Stock

Description and Introduction

1.5 Watt Plastic Surface Mount Zener Voltage Regulators The **1SMA5918BT3G** from ON Semiconductor is a high-performance, surface-mount Zener diode designed for voltage regulation and protection in a wide range of electronic applications. With a nominal Zener voltage of **18V** and a power dissipation of **1.5W**, this component is well-suited for circuits requiring precise voltage clamping or transient suppression.  

Encased in a compact **SMA (DO-214AC)** package, the 1SMA5918BT3G offers excellent thermal characteristics and reliability, making it ideal for space-constrained designs. Its low dynamic impedance ensures stable voltage regulation under varying load conditions, while its robust construction provides effective protection against voltage spikes and surges.  

Key features include a tight voltage tolerance (±5%) and a wide operating temperature range (**-65°C to +150°C**), ensuring consistent performance in harsh environments. Common applications include power supplies, automotive electronics, and industrial control systems where reliable voltage stabilization is critical.  

Engineers favor this diode for its balance of performance, durability, and cost-efficiency, making it a versatile choice for both prototyping and production. Whether used for overvoltage protection or as a reference voltage source, the 1SMA5918BT3G delivers dependable performance in demanding conditions.

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