LL101B-13 Equivalent & Substitute Parts

Part Overview

The LL101B-13 is a Schottky diode rated for 50 V DC reverse voltage with 30 mA average rectified current, packaged in SOD-80 MiniMELF surface mount configuration. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design support and procurement. The LL101B-13 meets automotive-grade specifications with AEC-Q101 qualification and is RoHS3 compliant.

Substiute Parts

LL101B-13

Vishay General Semiconductor - Diodes DivisionIn Stock: 709LL101B-13 Datasheet

Current PartRFQ

LL101B-GS18

Vishay General Semiconductor - Diodes DivisionIn Stock: 30096LL101B-GS18 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LL101B-13 is based on electrical and mechanical parameter equivalence within the Schottky diode category. The substitute part LL101B-GS18 maintains identical specifications across the following critical parameters:

• Voltage - DC Reverse (Vr) (Max): 50 V
• Current - Average Rectified (Io): 30 mA
• Technology: Schottky
• Package / Case: DO-213AC, MINI-MELF, SOD-80
• Mounting Type: Surface Mount
• Grade: Automotive
• Qualification: AEC-Q101
• Operating Temperature - Junction (Max): 125°C
• Reverse Recovery Time (trr): 1 ns
• Current - Reverse Leakage @ Vr: 200 nA @ 40 V
• Capacitance @ Vr, F: 2.1 pF @ 0 V, 1 MHz
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The LL101B-GS18 differs only in packaging format (Tape & Reel versus unspecified packaging for the main part) and product status (Active versus Obsolete), with forward voltage specifications measured at different test conditions.

Parameter Comparison

Engineering Selection Recommendations

The LL101B-GS18 is the direct substitute for the obsolete LL101B-13. Both parts are manufactured by Vishay General Semiconductor - Diodes Division and share identical electrical ratings, package specifications, and automotive-grade certifications. The LL101B-GS18 maintains active product status, ensuring long-term availability and supply chain continuity.

Selection of the LL101B-GS18 is supported by:

• Identical voltage and current ratings (50 V, 30 mA)
• Matching package configuration (SOD-80 MiniMELF, DO-213AC)
• Equivalent thermal performance (125°C maximum junction temperature)
• Identical AEC-Q101 automotive qualification
• RoHS3 compliance and REACH unaffected status
• Equivalent electrical characteristics (reverse recovery time, leakage current, capacitance)

The LL101B-GS18 is supplied in Tape & Reel packaging format, which is standard for high-volume production environments.

Frequently Asked Questions (FAQ)

Q: Can the LL101B-GS18 be used as a direct replacement for the LL101B-13?

A: Yes. The LL101B-GS18 is electrically and mechanically equivalent to the LL101B-13. Both parts share identical voltage ratings (50 V), current ratings (30 mA), package type (SOD-80 MiniMELF), and automotive qualifications (AEC-Q101).

Q: What is the difference between the LL101B-13 and LL101B-GS18?

A: The primary differences are product status and packaging format. The LL101B-13 is obsolete, while the LL101B-GS18 is active. The LL101B-GS18 is supplied in Tape & Reel format. Forward voltage specifications are measured at different test conditions (400 mV @ 1 mA versus 950 mV @ 15 mA), but both parts meet the same electrical performance envelope for Schottky diode operation.

Q: Are both parts suitable for automotive applications?

A: Yes. Both the LL101B-13 and LL101B-GS18 carry automotive-grade classification and AEC-Q101 qualification, confirming suitability for automotive circuit applications.

Q: What is the package type for these diodes?

A: Both parts use the SOD-80 MiniMELF package, also designated as DO-213AC. This is a surface mount package suitable for automated assembly processes.

Q: Is the LL101B-GS18 RoHS compliant?

A: Yes. The LL101B-GS18 is RoHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.

Q: What is the maximum operating temperature for these diodes?

A: The maximum junction temperature for both parts is 125°C.

Q: Are there any moisture sensitivity concerns with these parts?

A: No. Both parts have Moisture Sensitivity Level (MSL) rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.