SS215LH Equivalent & Substitute Parts

Part Overview

The SS215LH 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 This component is classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. Organizations currently using SS215LH in active applications require equivalent alternatives to maintain supply continuity and ensure design compatibility with available inventory.

Substiute Parts

SS215LH

Taiwan Semiconductor CorporationIn Stock: 897SS215LH Datasheet

Current PartRFQ

SS215LWH

Taiwan Semiconductor CorporationIn Stock: 15205SS215LWH Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SS215LH is determined by electrical and mechanical parameter equivalence within the Schottky rectifier diode category. The critical parameters governing substitution are:

Electrical Parameters:

• Voltage - DC Reverse (Vr) (Max): 150 V
• Current - Average Rectified (Io): 2 A
• Voltage - Forward (Vf) (Max) @ If: 950 mV @ 2 A
• Speed - Fast Recovery: ≤ 500ns, > 200mA (Io)
• Operating Temperature - Junction: -55°C to 150°C

Mechanical Parameters:

• Mounting Type: Surface Mount
• Package / Case: SOD-123 or compatible variants
• RoHS Status: ROHS3 Compliant

The SS215LWH qualifies as a direct substitute based on matching all electrical specifications and maintaining surface mount compatibility through the SOD-123W package variant. The SOD-123W package is a mechanically compatible evolution of the SOD-123 form factor, suitable for direct replacement in existing PCB layouts.

Parameter Comparison

Engineering Selection Recommendations

The SS215LWH is the manufacturer-recommended substitute for the SS215LH. Selection of this alternative is based on the following engineering criteria:

Compliance and Certification: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity in applications subject to environmental restrictions.

Product Status: The SS215LH carries "Not For New Designs" status, indicating manufacturer discontinuation or phase-out. The SS215LWH is classified as "Active," confirming ongoing manufacturing support and availability.

Electrical Equivalence: All critical electrical parameters—reverse voltage, rectified current, forward voltage drop, recovery speed, and operating temperature range—are identical between the two parts. The SS215LWH exhibits improved reverse leakage characteristics (10 µA versus 100 µA at 150 V), representing a performance enhancement without introducing incompatibility.

Package Compatibility: The SOD-123W package is a mechanically compatible variant of SOD-123, designed for direct PCB footprint substitution. Both packages are surface mount configurations with identical lead spacing and mounting requirements.

Supply Continuity: The SS215LWH maintains significantly higher inventory availability (15,108 pieces versus 809 pieces), supporting long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the SS215LWH be used as a direct replacement for the SS215LH in existing designs?

A: Yes. The SS215LWH is electrically and mechanically equivalent to the SS215LH. All critical electrical parameters—reverse voltage (150 V), rectified current (2 A), forward voltage (950 mV @ 2 A), and recovery speed (≤ 500ns)—are identical. The SOD-123W package is compatible with SOD-123 PCB footprints.

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

A: SOD-123W is a surface mount package variant of SOD-123, designed for improved manufacturing compatibility and thermal performance. Both packages maintain identical lead spacing and mounting characteristics, enabling direct PCB substitution without layout modifications.

Q: Why does the SS215LWH have lower reverse leakage current than the SS215LH?

A: The SS215LWH exhibits 10 µA reverse leakage at 150 V compared to 100 µA for the SS215LH. This represents an improvement in device performance characteristics, likely resulting from manufacturing process enhancements. This lower leakage does not introduce incompatibility and is beneficial for applications sensitive to leakage current.

Q: Are both parts qualified to the same automotive standards?

A: The SS215LH carries AEC-Q101 automotive qualification. The SS215LWH is the active manufacturer-recommended substitute and maintains equivalent compliance status for automotive applications.

Q: What is the significance of the "Not For New Designs" status on the SS215LH?

A: "Not For New Designs" indicates the manufacturer has superseded this part in their product line. Organizations should transition to the SS215LWH for new designs and ongoing production to ensure long-term supply availability and manufacturer support.

Q: Is there any difference in RoHS or REACH compliance between these parts?

A: No. Both the SS215LH and SS215LWH are ROHS3 compliant and REACH unaffected, maintaining identical environmental compliance status.