1N5820G

Overview

The onsemi 1N5820G is a Schottky barrier rectifier utilizing large-area metal-to-silicon power diode technology. It features chrome barrier metal, epitaxial construction with oxide passivation, and metal overlap contact. The device provides an average rectified forward current of 3.0 A and a peak repetitive reverse voltage of 20 V. Maximum instantaneous forward voltage is rated at 0.475 V at 3.0 A. Non-repetitive peak surge current capability reaches 80 A for one cycle. Operating junction temperature ranges from -65°C to +125°C.

Feature Summary

• Employs Schottky Barrier principle with majority carrier conduction for low stored charge
• Features extremely low forward voltage and low power loss for high efficiency
• Utilizes state-of-the-art geometry with chrome barrier metal and epitaxial construction

Applications

• Rectifiers in low-voltage, high-frequency inverters
• Free wheeling diodes
• Polarity protection diodes

Procurement Notes

Verify the specific ordering suffix 'G' indicates a Pb-Free package configuration as defined in the manufacturer's ordering information table. Confirm that the component is supplied in bulk bags containing 500 units per bag. Ensure compliance with RoHS directives by checking the detailed environmental documentation provided in the datasheet. Validate assembly location codes and year/work week markings against the marking diagram specifications.

Selection Notes

Select this component for circuits requiring low forward voltage drop and fast switching characteristics typical of Schottky barriers. Consider the 20 V reverse voltage rating when designing for low-voltage applications. Evaluate thermal management requirements based on the junction-to-ambient thermal resistance values provided in the mechanical characteristics section. Ensure the operating environment stays within the specified temperature range for reliable performance.

Part Context

This part belongs to the 1N582x series of axial lead rectifiers manufactured by onsemi. The series includes variants with different reverse voltage ratings, specifically the 1N5821 and 1N5822. These devices are classified as Preferred Devices, indicating they are recommended choices for future use and offer best overall value within the product line.

Replacement Considerations

Direct substitutes include other manufacturers' 1N5820 parts such as Vishay 1N5820-E3/90 or MCC 1N5820-TP. Verify pinout compatibility and ensure electrical parameters like forward voltage and reverse leakage current meet design requirements before substitution.

FAQ

What is the maximum non-repetitive peak surge current?

The maximum non-repetitive peak surge current is 80 A for one cycle, applied at rated load conditions.

How is polarity indicated on the device?

Polarity is indicated by a polarity band on the cathode end of the axial lead package.