1N4003-B

Single Diodes Overview

The Diodes Incorporated 1N4003-B is a standard recovery rectifier diode housed in a DO-41 plastic package. It features a peak repetitive reverse voltage of 200 V and an average rectified output current of 1.0 A at +75°C ambient temperature. The device supports a non-repetitive peak forward surge current of 30 A for a single half-sine wave. Electrical characteristics include a maximum forward voltage of 1.0 V at 1.0 A, a typical junction capacitance of 8 pF, and a peak reverse current of 5 µA at rated DC blocking voltage. Operating temperatures range from -65°C to +150°C.

Single Diodes Feature Summary

• Diffused junction construction with high current capability
• Low forward voltage drop and low reverse leakage current
• Surge overload rating up to 30 A peak
• Lead-free finish compliant with RoHS standards

Single Diodes Applications

• General-purpose rectification in power supplies
• Bridge rectifiers for AC to DC conversion
• Polarity protection circuits
• Free-wheeling diodes in inductive loads

Single Diodes Procurement Notes

Verify the specific ordering suffix '-B' corresponds to bulk packaging containing 1000 units per bag as documented in the manufacturer's ordering information table. Confirm that the component meets the required environmental standards, including UL flammability classification 94V-0 for the molded plastic case material. Ensure compatibility with soldering processes specified under MIL-STD-202, Method 208 for plated leads.

Single Diodes Selection Notes

Select this component for applications requiring a 200 V reverse voltage rating and 1 A continuous forward current. Consider derating the current by 20% if used with capacitive loads. Evaluate thermal resistance requirements, noting the junction-to-ambient thermal resistance value. Verify that the operating temperature range of -65°C to +150°C aligns with the system's environmental conditions.

Single Diodes Part Context

This part belongs to the 1N4001 through 1N4007 series of 1.0 A rectifiers manufactured by Diodes Incorporated. The datasheet explicitly states that this series is not recommended for new design and recommends using the S1A-S1M series instead. The product utilizes a diffused junction technology within a DO-41 axial leaded package.

Single Diodes Replacement Considerations

The datasheet recommends the S1A-S1M series as the designated replacement for new designs. Verify electrical equivalence, specifically the 200 V reverse voltage rating for the S1A variant, before substitution.

Single Diodes FAQ

What is the recommended alternative for new designs?

Diodes Incorporated recommends using the S1A-S1M series instead of the 1N4001-1N4007 series for new designs.

How should current be handled with capacitive loads?

When used with a capacitive load, the current should be derated by 20 percent.