SS12P3LHM3_A/I Equivalent & Substitute Parts

Part Overview

The SS12P3LHM3_A/I is an active Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component is rated for 30 V DC reverse voltage and 12 A average rectified current in a TO-277A (SMPC) package. The device is qualified to AEC-Q101 automotive standards and complies with ROHS3 and REACH regulations. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring Schottky diode functionality within the specified electrical and mechanical parameters.

Substiute Parts

SS12P3LHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 919SS12P3LHM3_A/I Datasheet

Current PartRFQ

SS12P3L-M3/86A

Vishay General Semiconductor - Diodes DivisionIn Stock: 1239SS12P3L-M3/86A Datasheet

Parametric EquivalentRFQ

SS12P3LHM3_A/H

Vishay General Semiconductor - Diodes DivisionIn Stock: 2233SS12P3LHM3_A/H Datasheet

Parametric EquivalentRFQ

PMEG030V030EPDZ

Nexperia USA Inc.In Stock: 5220PMEG030V030EPDZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of Schottky rectifier diodes is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

• Voltage - DC Reverse (Vr) (Max): Must equal or exceed 30 V
• Current - Average Rectified (Io): Must equal or exceed 12 A
• Voltage - Forward (Vf) (Max) @ If: Must not exceed 560 mV @ 12 A
• Speed: Must maintain Fast Recovery ≤ 500ns, > 200mA (Io)
• Operating Temperature - Junction: Must support -55°C to 150°C range

Mechanical Compatibility Criteria:

• Package / Case: Must be TO-277, 3-PowerDFN
• Mounting Type: Must be Surface Mount
• Supplier Device Package: Must be TO-277A (SMPC) or equivalent footprint

Compliance Criteria:

• Grade: Automotive qualification preferred
• Qualification: AEC-Q101 certification required for automotive applications
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are classified into two categories: Parametric Equivalents (matching all electrical and mechanical specifications) and Manufacturer Recommended Alternatives (meeting core electrical requirements with potential derating considerations).

Parameter Comparison

Engineering Selection Recommendations

SS12P3L-M3/86A (Parametric Equivalent)

This part is a parametric equivalent to the SS12P3LHM3_A/I, matching all critical electrical specifications: 30 V reverse voltage, 12 A average rectified current, 560 mV forward voltage drop at 12 A, and fast recovery characteristics. Both devices are manufactured by Vishay General Semiconductor - Diodes Division and share identical TO-277A (SMPC) packaging. The SS12P3L-M3/86A is part of the eSMP® series and maintains ROHS3 compliance and MSL 1 rating. The primary distinction is that automotive grade and AEC-Q101 qualification are not specified for this variant, though electrical and mechanical compatibility is complete. This part is suitable for applications where automotive qualification is not a requirement.

SS12P3LHM3_A/H (Parametric Equivalent)

This part is a direct parametric equivalent to the SS12P3LHM3_A/I with identical electrical ratings: 30 V reverse voltage, 12 A average rectified current, 560 mV forward voltage drop at 12 A, and fast recovery performance. Both devices carry automotive grade designation and AEC-Q101 qualification from Vishay General Semiconductor - Diodes Division. Packaging, mounting type, and compliance certifications are identical. This part is a direct replacement suitable for all applications requiring the SS12P3LHM3_A/I.

PMEG030V030EPDZ (Manufacturer Recommended Alternative)

This part is manufactured by Nexperia USA Inc. and meets the core electrical requirements of 30 V reverse voltage and fast recovery characteristics. However, the current rating is 3 A average rectified current, which is below the 12 A specification of the primary part. The forward voltage drop is 450 mV @ 3 A, which is lower than the 560 mV @ 12 A of the SS12P3LHM3_A/I. This device carries automotive grade designation and AEC-Q101 qualification. The PMEG030V030EPDZ is suitable only for applications where the required average rectified current does not exceed 3 A. The CFP15 supplier device package differs from the TO-277A (SMPC) package of the primary part; footprint compatibility must be verified for PCB integration.

Frequently Asked Questions (FAQ)

Q: Can SS12P3L-M3/86A be used as a direct replacement for SS12P3LHM3_A/I in automotive applications?

A: The SS12P3L-M3/86A matches all electrical and mechanical specifications of the SS12P3LHM3_A/I. However, automotive grade and AEC-Q101 qualification are not specified for the SS12P3L-M3/86A. For applications requiring automotive qualification, use SS12P3LHM3_A/H instead.

Q: What is the difference between SS12P3LHM3_A/I and SS12P3LHM3_A/H?

A: Both parts are parametric equivalents with identical electrical ratings (30 V, 12 A, 560 mV forward voltage), packaging (TO-277A SMPC), and compliance certifications (ROHS3, AEC-Q101, automotive grade). Both are manufactured by Vishay General Semiconductor - Diodes Division and are interchangeable for all applications.

Q: Can PMEG030V030EPDZ replace SS12P3LHM3_A/I?

A: The PMEG030V030EPDZ is not a direct replacement. While it meets the 30 V reverse voltage requirement and carries AEC-Q101 qualification, its current rating is 3 A, which is insufficient for applications requiring 12 A average rectified current. Use this part only in applications where the required current does not exceed 3 A.

Q: Are all substitute parts compatible with the same PCB footprint?

A: SS12P3LHM3_A/I, SS12P3L-M3/86A, and SS12P3LHM3_A/H all use the TO-277A (SMPC) package and are footprint-compatible. The PMEG030V030EPDZ uses the CFP15 supplier device package; PCB footprint compatibility must be verified before substitution.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. SS12P3LHM3_A/H and PMEG030V030EPDZ carry AEC-Q101 automotive qualification. SS12P3L-M3/86A does not specify automotive qualification.

Q: What is the maximum operating temperature for each part?

A: SS12P3LHM3_A/I, SS12P3L-M3/86A, and SS12P3LHM3_A/H support junction temperatures from -55°C to 150°C. PMEG030V030EPDZ supports -55°C to 175°C, providing extended high-temperature operation capability.

Q: How do forward voltage characteristics compare across substitute parts?

A: SS12P3LHM3_A/I, SS12P3L-M3/86A, and SS12P3LHM3_A/H all specify 560 mV maximum forward voltage at 12 A. PMEG030V030EPDZ specifies 450 mV at 3 A. Forward voltage comparison at identical current levels is not available across all parts due to different current ratings.