LS103A-GS18

Single Diodes Overview

The LS103A-GS18 is a small signal Schottky diode manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum reverse voltage (Vr) of 40 V and an average forward current (Io) of 200 mA. The device exhibits a low forward voltage drop of 600 mV at 200 mA and a peak reverse recovery time (trr) of 10 ns. Electrical characteristics include a leakage current of 5 µA at 30 V and a capacitance of 50 pF at 0 V, 1 MHz. It operates within a junction temperature range up to 125 °C and utilizes the QuadroMELF (SOD-80) surface-mount package.

Single Diodes Feature Summary

• Integrated protection ring against static discharge
• Low capacitance for high-frequency applications
• Low leakage current
• Low forward voltage drop

Single Diodes Applications

• HF-detector
• Protection circuit
• Small battery charger
• AC/DC / DC/DC converter for notebooks

Single Diodes Procurement Notes

Verify the specific ordering suffix GS18 corresponds to tape and reel packaging containing 10,000 units per 13-inch reel. Confirm that the component meets material categorization compliance standards as defined in Vishay documentation. Ensure the procurement matches the exact LS103A variant with a 40 V rating rather than the LS103B or LS103C variants.

Single Diodes Selection Notes

Select this component when a 40 V reverse voltage rating is required alongside a 200 mA continuous forward current capability. The SOD-80 QuadroMELF package is suitable for space-constrained surface-mount designs. Consider the 10 ns reverse recovery time and 50 pF capacitance for high-speed switching or detection circuits where low parasitic effects are critical.

Single Diodes Part Context

This part belongs to the LS103 series of small signal Schottky diodes from Vishay. The series includes LS103A (40 V), LS103B (30 V), and LS103C (20 V). All variants share identical electrical performance regarding forward voltage, recovery time, and package type, differing only in their maximum reverse voltage ratings.

Single Diodes Replacement Considerations

LS103B-GS18

Single Diodes FAQ

What is the thermal resistance of the LS103A-GS18?

The thermal resistance from junction to ambient air is 250 K/W when mounted on a PC board measuring 50 mm x 50 mm x 1.6 mm.

What is the peak forward surge current rating?

The peak forward surge current (Ifsm) is rated at 15 A for a square pulse duration of 300 μs.