LSR105 L0 Schottky Diode Equivalent & Substitute Parts

Part Overview

The LSR105 L0 is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 50 V DC reverse voltage and 1 A average rectified current in a surface mount MELF package. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design support and procurement continuity. The LSR105 L0 is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and is suitable for fast recovery rectification applications requiring low forward voltage drop characteristics.

Substiute Parts

LSR105 L0

Taiwan Semiconductor CorporationIn Stock: 776LSR105 L0 Datasheet

Current PartRFQ

LSR105 L0G

Taiwan Semiconductor CorporationIn Stock: 1054LSR105 L0G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LSR105 L0 is determined by electrical and mechanical parameter equivalence within the Schottky diode rectifier category. The following parameters establish substitution validity:

Electrical Parameters (Critical):

• Voltage - DC Reverse (Vr) (Max): 50 V
• Current - Average Rectified (Io): 1 A
• Voltage - Forward (Vf) (Max) @ If: 700 mV @ 1 A
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Current - Reverse Leakage @ Vr: 1 mA @ 50 V
• Capacitance @ Vr, F: 80 pF @ 4V, 1MHz

Mechanical Parameters (Critical):

• Package / Case: DO-213AB, MELF
• Mounting Type: Surface Mount
• Operating Temperature - Junction: -65°C to 150°C

Compliance Parameters:

• Technology: Schottky
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts must match all electrical specifications, mechanical packaging, and compliance certifications to ensure direct interchangeability without circuit redesign or thermal management modifications.

Parameter Comparison

Engineering Selection Recommendations

The LSR105 L0G serves as a direct substitute for the obsolete LSR105 L0. Both components are manufactured by Taiwan Semiconductor Corporation and share identical electrical specifications, mechanical packaging, and compliance certifications. The LSR105 L0G maintains active product status, ensuring continued availability and manufacturing support.

Selection of the LSR105 L0G is appropriate for applications currently using the LSR105 L0 without requiring circuit modifications, PCB layout changes, or thermal management adjustments. The substitute part maintains ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), supporting the same environmental and regulatory requirements as the original component.

The LSR105 L0G is available in higher inventory quantity (965 Pcs) compared to the obsolete LSR105 L0 (740 Pcs), providing improved procurement reliability for new designs and production continuity.

Frequently Asked Questions (FAQ)

Q: Can the LSR105 L0G be used as a direct replacement for the LSR105 L0 without circuit redesign?

A: Yes. The LSR105 L0G is electrically and mechanically identical to the LSR105 L0 across all specified parameters, including voltage rating, current capacity, forward voltage drop, recovery speed, reverse leakage, and package configuration. Direct substitution is supported without circuit modifications.

Q: What is the difference between the LSR105 L0 and LSR105 L0G part numbers?

A: The LSR105 L0 is classified as obsolete, while the LSR105 L0G is an active product from the same manufacturer. The suffix "G" indicates the active variant. Both parts share identical electrical and mechanical specifications and are derived from the same base product number (LSR105).

Q: Are the MELF and DO-213AB package designations equivalent?

A: Yes. MELF (Molded Epoxy Lead Frame) and DO-213AB refer to the same surface mount package configuration. Both designations describe the same physical and electrical package used for the LSR105 L0 and LSR105 L0G diodes.

Q: Does the LSR105 L0G maintain the same RoHS and REACH compliance as the LSR105 L0?

A: Yes. The LSR105 L0G is ROHS3 compliant and REACH unaffected, matching the compliance status of the LSR105 L0. Both components support the same environmental and regulatory requirements.

Q: What is the operating temperature range for the LSR105 L0G?

A: The operating temperature range for the LSR105 L0G is -65°C to 150°C junction temperature, identical to the LSR105 L0. This range supports applications across industrial, commercial, and extended temperature environments.

Q: Is the moisture sensitivity level the same for both parts?

A: Yes. Both the LSR105 L0 and LSR105 L0G have MSL 1 (Unlimited) moisture sensitivity level, indicating no moisture-related storage or handling restrictions for either component.