SS215L Equivalent & Substitute Parts

Part Overview

The SS215L is a 2A, 150V Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, designed for surface mount applications in the SOD-123 package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Organizations currently using SS215L in production or maintenance applications require qualified substitute components that maintain electrical and mechanical compatibility while offering active product status and improved availability.

Substiute Parts

SS215L

Taiwan Semiconductor CorporationIn Stock: 15188SS215L Datasheet

Current PartRFQ

SS215LW

Taiwan Semiconductor CorporationIn Stock: 32288SS215LW Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SS215L is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Voltage - DC Reverse (Vr) (Max): 150 V minimum
• Current - Average Rectified (Io): 2 A minimum
• Technology: Schottky rectifier
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Operating Temperature - Junction: -55°C to 150°C minimum range

Mechanical Equivalence Requirements:

• Mounting Type: Surface Mount
• Package compatibility: SOD-123 or SOD-123W (compatible footprints)

Compliance Requirements:

• RoHS3 Compliant
• REACH Unaffected

The SS215LW qualifies as a direct substitute based on these parameters. While the SS215LW features a SOD-123W package variant and exhibits improved reverse leakage characteristics (10 µA versus 100 µA), it maintains all critical electrical specifications and meets all compliance requirements. The forward voltage specification of the SS215LW (950 mV @ 2 A) remains within acceptable operating margins for Schottky rectifier applications.

Parameter Comparison

Engineering Selection Recommendations

SS215LW as Primary Substitute:

The SS215LW is the qualified substitute for the SS215L based on electrical and mechanical parameter equivalence. Selection of SS215LW is supported by the following factors:

1. Product Status: SS215LW maintains Active product status, ensuring continued availability and manufacturer support, whereas SS215L is designated "Not For New Designs."

2. Compliance Certification: Both components are ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements for electronic component procurement.

3. Electrical Compatibility: SS215LW maintains identical voltage and current ratings (150 V, 2 A) and fast recovery speed specifications (≤ 500ns, > 200mA). The forward voltage increase of 100 mV (from 850 mV to 950 mV) remains within acceptable operating parameters for Schottky rectifier applications.

4. Reverse Leakage Improvement: SS215LW exhibits superior reverse leakage characteristics (10 µA versus 100 µA at 150 V), providing enhanced performance in low-leakage applications.

5. Package Compatibility: The SOD-123W package is mechanically compatible with SOD-123 footprints on printed circuit boards, enabling direct substitution without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can SS215LW be used as a direct replacement for SS215L on existing PCB layouts?

A: Yes. The SOD-123W package is mechanically compatible with SOD-123 footprints. Both components are surface mount devices with identical lead spacing and mounting requirements, allowing direct substitution without PCB redesign.

Q: What is the significance of the forward voltage difference between SS215L and SS215LW?

A: The SS215LW forward voltage specification is 950 mV @ 2 A, compared to 850 mV @ 2 A for SS215L. This 100 mV difference is characteristic of manufacturing variations within Schottky rectifier technology and remains within acceptable operating margins for rectification applications. Circuit designs accommodating standard Schottky forward voltage tolerances will operate without modification.

Q: Why is SS215L designated "Not For New Designs"?

A: This designation indicates the component has reached end-of-life status. Manufacturers apply this classification to components being phased out of production. SS215LW, with Active product status, is the recommended alternative for new designs and ongoing production requirements.

Q: Are there compliance differences between SS215L and SS215LW?

A: No. Both components are ROHS3 Compliant and REACH Unaffected. They meet identical regulatory requirements for electronic component procurement and use in regulated industries.

Q: What does the reverse leakage improvement in SS215LW indicate?

A: SS215LW exhibits 10 µA reverse leakage at 150 V, compared to 100 µA for SS215L. This tenfold reduction indicates improved semiconductor junction quality and lower standby current consumption. Applications sensitive to leakage current will benefit from this specification improvement.

Q: Are the operating temperature ranges identical?

A: Yes. Both SS215L and SS215LW operate across the junction temperature range of -55°C to 150°C, providing identical thermal performance specifications.

Q: What is the difference between SOD-123 and SOD-123W packages?

A: SOD-123W is a wider variant of the SOD-123 package, maintaining identical electrical performance and lead spacing while providing increased mechanical robustness. Both packages are surface mount configurations suitable for automated assembly processes.