1N5059 Diode Technical Summary

Overview

The 1N5059 is a rugged, high-performance silicon rectifier diode housed in a glass passivated package. Designed for reliability and durability, this diode is well-suited for demanding applications requiring high surge current capability and stable operation under varying environmental conditions. Its construction ensures excellent thermal and electrical performance, making it a preferred choice for power supply and rectification circuits.

Features

• Glass Passivated: Enhances reliability and protects the junction from contaminants.
• High Maximum Operating Current: Capable of handling substantial forward current, making it ideal for power applications.
• Low Forward Voltage Drop: Minimizes power loss and improves efficiency.
• High Surge Current Capability: Withstands transient overload conditions without degradation.
• High Temperature Stability: Maintains performance across a wide temperature range.
• RoHS Compliant: Meets environmental standards for hazardous substance restrictions.

Applications

The 1N5059 diode is versatile and finds use in a variety of applications, including:

• Power Supply Units: Used in AC-to-DC conversion circuits, such as bridge rectifiers and voltage multipliers.
• Battery Chargers: Ensures efficient rectification in charging circuits.
• Industrial Equipment: Provides reliable rectification in heavy machinery and automation systems.
• Automotive Electronics: Suitable for alternator rectification and other high-current applications.
• Consumer Electronics: Used in power adapters and inverters.
• Renewable Energy Systems: Ideal for solar panel and wind turbine rectification circuits.

Electrical Characteristics

The following table summarizes the key electrical specifications of the 1N5059 diode under standard operating conditions (unless otherwise noted):

Absolute Maximum Ratings

• Peak Repetitive Reverse Voltage (V_RRM): 1000V
• Average Forward Current (I_F(AV)): 3.0A
• Non-Repetitive Peak Forward Surge Current (I_FSM): 150A (8.3ms single half-sine wave)
• Operating Junction Temperature (T_J): -65°C to +175°C
• Storage Temperature Range (T_STG): -65°C to +175°C

Typical Electrical Performance

• Forward Voltage Drop (V_F): 1.1V at 3.0A (25°C)
• Reverse Leakage Current (I_R): 5µA at 1000V (25°C)
• Junction Capacitance (C_J): 15pF at 4.0V, 1MHz
• Thermal Resistance (R_θJA): 50°C/W (junction-to-ambient)

Package Information

The 1N5059 diode is housed in a robust, industry-standard DO-41 package, which provides excellent thermal and mechanical properties. The package is designed for easy mounting and soldering, ensuring compatibility with automated assembly processes.

Package Dimensions

• Body Diameter: 2.7mm (max)
• Body Length: 5.2mm (max)
• Lead Diameter: 0.8mm (nominal)
• Lead Spacing: 10.2mm (typical)

Package Marking

The diode is marked with the part number "1N5059" for easy identification. The cathode end is indicated by a band or marking on the body.

Reliability and Compliance

The 1N5059 diode is manufactured under stringent quality control processes to ensure long-term reliability. It complies with industry standards, including:

• RoHS Directive 2011/65/EU
• IEC 60747 (Semiconductor Devices)
• MIL-STD-750 (Environmental Test Methods for Semiconductor Devices)

Conclusion

The 1N5059 diode is a high-performance rectifier diode designed for demanding applications requiring high voltage and current handling capabilities. Its rugged glass passivated construction, low forward voltage drop, and excellent surge current performance make it a reliable choice for power supply, industrial, and automotive applications. With its standardized DO-41 package and compliance with environmental regulations, the 1N5059 offers a robust solution for engineers seeking durability and efficiency in their designs.