LL103A-13 Equivalent & Substitute Parts

Part Overview

The LL103A-13 is a Schottky diode rated for 40 V DC reverse voltage with 200 mA average rectified current in a surface mount SOD-80 MiniMELF package. This part is classified as obsolete, indicating it has been discontinued by the manufacturer. Substitute parts are necessary to maintain design continuity and ensure component availability for new production runs, repairs, and ongoing system support.

Substiute Parts

LL103A-13

Vishay General Semiconductor - Diodes DivisionIn Stock: 703LL103A-13 Datasheet

Current PartRFQ

LL103A-GS08

Vishay General Semiconductor - Diodes DivisionIn Stock: 57950LL103A-GS08 Datasheet

Parametric EquivalentRFQ

LL103A-GS18

Vishay General Semiconductor - Diodes DivisionIn Stock: 10277LL103A-GS18 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LL103A-13 are identified based on electrical and mechanical parameter equivalence. The following criteria determine substitution eligibility:

Electrical Parameters:

• Voltage - DC Reverse (Vr) (Max): 40 V
• Current - Average Rectified (Io): 200 mA
• Voltage - Forward (Vf) (Max) @ If: 600 mV @ 200 mA
• Reverse Recovery Time (trr): 10 ns
• Current - Reverse Leakage @ Vr: 5 µA @ 30 V
• Capacitance @ Vr, F: 50 pF @ 0 V, 1 MHz

Mechanical Parameters:

• Package / Case: DO-213AC, MINI-MELF, SOD-80
• Mounting Type: Surface Mount
• Operating Temperature - Junction (Max): 125°C

All substitute parts listed maintain identical electrical specifications and package configuration, ensuring direct functional replacement in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

The LL103A-13 is obsolete and no longer available from the manufacturer. Both substitute parts, LL103A-GS08 and LL103A-GS18, are active products with identical electrical and mechanical specifications.

LL103A-GS08 is supplied in Cut Tape (CT) and Digi-Reel packaging, suitable for applications requiring flexible packaging options and moderate to high volume requirements.

LL103A-GS18 is supplied in Tape & Reel (TR) packaging, optimized for automated assembly processes and high-volume production environments.

Both substitute parts maintain full compliance with ROHS3 and REACH regulations. Selection between LL103A-GS08 and LL103A-GS18 is determined by packaging and supply chain requirements rather than electrical performance, as all parameters are identical.

Frequently Asked Questions (FAQ)

Q: Can LL103A-GS08 and LL103A-GS18 be used interchangeably with LL103A-13?

A: Yes. Both substitute parts are electrically and mechanically identical to the LL103A-13. The differences are limited to packaging format and supplier delivery method.

Q: What is the difference between LL103A-GS08 and LL103A-GS18?

A: LL103A-GS08 is supplied in Cut Tape (CT) and Digi-Reel format, while LL103A-GS18 is supplied in Tape & Reel (TR) format. Both contain the same diode component with identical electrical specifications. The choice depends on assembly equipment compatibility and volume requirements.

Q: Are the substitute parts RoHS and REACH compliant?

A: Yes. Both LL103A-GS08 and LL103A-GS18 are ROHS3 compliant and REACH unaffected, matching the compliance status of the original LL103A-13.

Q: What is the Moisture Sensitivity Level (MSL) for these parts?

A: All three parts, including the obsolete LL103A-13 and both substitutes, have an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.

Q: Can these diodes be used in high-frequency switching applications?

A: These are small signal Schottky diodes with a reverse recovery time of 10 ns, suitable for applications with switching frequencies up to the specified limits of your circuit design. Verify circuit requirements against the 10 ns trr specification.

Q: What is the maximum junction temperature rating?

A: The maximum operating junction temperature is 125°C for all three parts.