Toshiba 1SS417,L3M Schottky Diode Equivalent & Substitute Parts

Part Overview

The Toshiba 1SS417,L3M is an active-status Schottky diode rated for 40V DC reverse voltage with 100mA average rectified current. This surface mount component is designed for small-signal applications requiring fast switching characteristics and low forward voltage drop. The part is manufactured in the fSC package configuration with 2-SMD flat lead termination.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across all critical parameters. Alternative part numbers may be required due to inventory availability, supply chain considerations, or specific packaging preferences while maintaining identical functional specifications.

Substiute Parts

1SS417,L3M

Toshiba Semiconductor and StorageIn Stock: 7461SS417,L3M Datasheet

Current PartRFQ

1SS417CT,L3F

Toshiba Semiconductor and StorageIn Stock: 158331SS417CT,L3F Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1SS417,L3M is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Voltage - DC Reverse (Vr) (Max): 40 V
• Current - Average Rectified (Io): 100 mA
• Current - Reverse Leakage @ Vr: 5 µA @ 40 V
• Capacitance @ Vr, F: 15 pF @ 0V, 1MHz
• Operating Temperature - Junction (Max): 125°C

Mechanical & Package Specifications:

• Mounting Type: Surface Mount
• Package / Case: 2-SMD, Flat Lead
• Supplier Device Package: fSC

Compliance & Status:

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

Substitute parts must maintain identical values across all listed parameters. Forward voltage characteristics may vary within the specified test conditions without affecting substitution eligibility.

Parameter Comparison

Engineering Selection Recommendations

The 1SS417CT,L3F is a direct parametric equivalent to the 1SS417,L3M. Both parts are manufactured by Toshiba Semiconductor and Storage and maintain identical electrical and mechanical specifications across all critical parameters.

Selection Basis:

Both parts carry Active product status, indicating current manufacturing and full support. Both are ROHS3 compliant and carry identical ECCN and HTSUS classifications, ensuring regulatory and trade compliance equivalence.

The 1SS417CT,L3F maintains the same 40V reverse voltage rating, 100mA average rectified current, 5µA reverse leakage current, and 15pF capacitance specifications. Both components operate at a maximum junction temperature of 125°C and are packaged in the fSC 2-SMD flat lead configuration suitable for surface mount assembly.

Forward voltage characteristics are specified at different test currents (50mA for the main part, 100mA for the substitute), but both maintain the 620mV maximum specification within their respective test conditions. This variation reflects standard datasheet characterization practices and does not affect functional equivalence.

Component selection between these parts may be based on inventory availability, supply chain lead times, or specific procurement requirements, as both parts are functionally and mechanically interchangeable.

Frequently Asked Questions (FAQ)

Q: Can the 1SS417CT,L3F be used as a direct replacement for the 1SS417,L3M in existing designs?

A: Yes. Both parts are Schottky diodes with identical 40V reverse voltage rating, 100mA average rectified current, and fSC package configuration. All critical electrical and mechanical parameters match, enabling direct substitution without circuit redesign.

Q: Are there differences in forward voltage between these parts?

A: Forward voltage is specified at different test currents. The 1SS417,L3M is characterized at 50mA while the 1SS417CT,L3F is characterized at 100mA, both with a 620mV maximum rating. This reflects standard datasheet measurement practices and does not indicate functional differences.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. Both carry identical ECCN (EAR99) and HTSUS (8541.10.0070) classifications.

Q: Are the package dimensions identical?

A: Both parts use the fSC package with 2-SMD flat lead termination. Package and case specifications are identical, ensuring compatibility with existing PCB layouts and assembly processes.

Q: What is the reverse leakage current specification for both parts?

A: Both parts specify 5µA maximum reverse leakage current at 40V, ensuring equivalent leakage performance in circuit applications.

Q: Can these parts be used interchangeably in high-frequency applications?

A: Both parts are classified as small-signal Schottky diodes with identical capacitance specifications of 15pF at 0V and 1MHz. They are suitable for equivalent high-frequency performance.

Q: What is the maximum operating junction temperature for both parts?

A: Both parts are rated for a maximum junction temperature of 125°C, providing identical thermal operating limits.