LLSD103B-13

Single Diodes Overview

The LLSD103B-13 is a surface mount Schottky barrier diode manufactured by Diodes Incorporated, housed in a MiniMELF glass package. It features a peak repetitive reverse voltage of 30 V and a forward continuous current rating of 350 mA. The device exhibits a maximum forward voltage of 0.60 V at 200 mA and a peak reverse current of 5.0 µA at 30 V. Electrical characteristics include a total capacitance of 50 pF and a reverse recovery time of 10 ns. The component supports an operating junction temperature range from -55°C to +125°C with a power dissipation capacity of 400 mW.

Single Diodes Feature Summary

• Guard ring construction provides transient protection capabilities
• Low forward voltage drop for improved efficiency
• Fast reverse recovery time suitable for high-speed switching
• Lead-free finish compliant with RoHS directives

Single Diodes Applications

• Power supply control devices for inductive loads
• General purpose rectification in electronic circuits
• Clamping and protection applications requiring fast response

Single Diodes Procurement Notes

Verify the specific ordering suffix to confirm packaging configuration, as the datasheet lists both tape and reel options for this family. Confirm that the component status aligns with project requirements, noting that the manufacturer advises using the SD103AW series for new designs. Ensure compatibility with existing PCB footprints designed for the MiniMELF case style before finalizing procurement plans.

Single Diodes Selection Notes

Select this component when a 30 V reverse voltage rating and 350 mA continuous current are required in a compact MiniMELF package. Consider the low forward voltage and fast reverse recovery characteristics for efficiency-critical or high-frequency applications. Evaluate the thermal resistance and power dissipation limits relative to the expected ambient temperature and board layout conditions to ensure reliable operation within the specified junction temperature range.

Single Diodes Part Context

The LLSD103B-13 belongs to the LLSD103A-C series of surface mount Schottky barrier diodes produced by Diodes Incorporated. These devices utilize a MiniMELF glass case with UL flammability classification 94V-0. The series includes variants with different reverse voltage ratings, specifically 20 V, 30 V, and 40 V, allowing designers to choose appropriate blocking voltages for various circuit requirements while maintaining consistent mechanical and electrical performance profiles.

Single Diodes Replacement Considerations

The datasheet explicitly recommends using the SD103AW - SD103CW series instead of the LLSD103A - 103C series for new designs. Verify if the SD103AW variant serves as a direct functional replacement with compatible pinouts and specifications.

Single Diodes FAQ

What is the recommended alternative for new designs?

Diodes Incorporated recommends using the SD103AW - SD103CW series instead of the LLSD103A - 103C series for new designs.

What is the maximum forward voltage at 200 mA?

The maximum forward voltage is 0.60 V when tested at a forward current of 200 mA.