1N5303UR-1 Zener Diode 12V 5W – DO-41 Glass Package

1N5303UR-1 Overview

The 1N5303UR-1 is a high-voltage silicon rectifier diode designed for reliable power rectification in industrial and commercial electronic circuits. Featuring a peak repetitive reverse voltage of 200 volts and a maximum average forward rectified current of 3 amperes, this device ensures efficient conversion of AC to DC with minimal power loss. Its robust construction supports high surge current capabilities, making it well-suited for environments requiring dependable transient handling. The compact DO-201AD package facilitates easy integration into various circuit designs. Available from IC Manufacturer, it offers engineers and sourcing specialists a proven solution for power management and rectification needs.

1N5303UR-1 Technical Specifications

1N5303UR-1 Key Features

• High Reverse Voltage Capability: Supports up to 200 volts peak repetitive reverse voltage, enabling use in high-voltage power supplies and rectification circuits.
• Robust Forward Current Rating: Handles an average forward rectified current of 3 amperes, suitable for moderate power applications without overheating.
• Strong Surge Current Endurance: Can withstand peak forward surge currents up to 100 amperes, protecting circuits from transient overloads and surges.
• Low Forward Voltage Drop: Minimizes conduction losses during operation, improving overall efficiency in power conversion systems.
• Wide Operating Temperature Range: Ensures reliable performance from -65??C to +150??C, allowing use in harsh industrial environments.
• Industry-Standard Package: The DO-201AD axial package facilitates straightforward installation and compatibility with existing hardware designs.
• Low Reverse Leakage Current: Maintains leakage currents under 10 ??A at maximum reverse voltage, enhancing efficiency and reducing power waste.

1N5303UR-1 Advantages vs Typical Alternatives

This diode offers a balanced combination of high voltage blocking, moderate current handling, and robust surge capability, which many standard rectifiers lack. Its low forward voltage drop reduces thermal stress and power dissipation compared to less efficient alternatives. The broad operating temperature range and low leakage current enhance reliability and accuracy in demanding industrial applications, making it a dependable choice for engineers seeking durable and precise rectification solutions.

Typical Applications

• Power Supply Rectification: Ideal for converting AC input to DC output in power adapters, chargers, and regulated power supplies, ensuring stable voltage and current delivery.
• Industrial Equipment: Suitable for use in motor drives, lighting controllers, and other industrial control circuits requiring reliable diode rectification.
• Surge Protection Circuits: Its high surge current capacity allows it to absorb transient spikes, protecting sensitive downstream components from damage.
• General Purpose Rectification: Applicable in various electronic assemblies where moderate current and voltage ratings meet design requirements.

1N5303UR-1 Brand Info

This device is part of a well-established series of silicon rectifier diodes known for dependable performance and consistent quality. Manufactured to meet stringent industry standards, it is widely recognized by engineers for its reliability in power rectification and surge handling. The brand emphasizes rigorous testing and quality assurance to ensure each unit meets specified electrical and mechanical parameters. This commitment supports long-term operational stability in diverse electronic applications.

FAQ

What is the maximum voltage this diode can withstand?

The maximum repetitive peak reverse voltage is specified at 200 volts. This means the diode can safely block voltages up to 200 volts in the reverse direction without breakdown, making it suitable for medium-voltage rectification tasks.

What is the significance of the forward surge current rating?

The forward surge current rating of 100 amperes indicates the diode??s ability to tolerate brief, high-current spikes without damage. This is important in circuits exposed to transient events such as inrush currents or switching surges, ensuring the diode remains protected under sudden load conditions.

How does the forward voltage drop affect performance?

A maximum forward voltage drop of 1.3 volts at rated current minimizes power loss during conduction. Lower voltage drops increase efficiency by reducing heat generation, which in turn enhances the diode’s reliability and extends the lifespan of the overall system.

Can the diode operate in extreme temperature conditions?

Yes, the device is rated for operation and storage between -65??C and +150??C. This wide temperature range allows it to function reliably in harsh environments, such as industrial or outdoor applications where temperature fluctuations are common.

What package type is used, and why is it important?

The diode is housed in a DO-201AD axial lead package, which is a standard form factor for power diodes. This package type facilitates easy mounting on printed circuit boards and provides good thermal dissipation, simplifying integration into existing designs requiring reliable mechanical and electrical connections.