SS8P3LHM3_A/I Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS8P3LHM3_A/I is an active Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This component is rated for 30 V DC reverse voltage with 8 A average rectified current in a surface mount TO-277A (SMPC) package. The device is qualified to AEC-Q101 automotive standards and operates across a junction temperature range of -55°C to 150°C. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained within the specified parameter tolerances for this product category.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	30	V
Current - Average Rectified (Io)	8	A
Voltage - Forward (Vf) (Max) @ If	570 mV @ 8 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	200	µA @ 30 V
Capacitance @ Vr, F	330pF @ 4V, 1MHz	pF
Package / Case	TO-277, 3-PowerDFN	—
Operating Temperature - Junction	-55 to 150	°C
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the SS8P3LHM3_A/I are classified into two categories based on electrical and mechanical parameter alignment:

Parametric Equivalents maintain identical or equivalent electrical specifications across all critical parameters: reverse voltage (30 V), average rectified current (8 A), forward voltage drop (570 mV @ 8 A), fast recovery speed (≤ 500ns), reverse leakage current (200 µA @ 30 V), and capacitance (330pF @ 4V, 1MHz). These parts are packaged in the same TO-277A (SMPC) surface mount configuration and operate within the same junction temperature range (-55°C to 150°C). Parametric equivalents include SS8P3L-M3/86A and SS8P3LHM3_A/H, both manufactured by Vishay General Semiconductor - Diodes Division within the eSMP® series.

Manufacturer Recommended Substitute (PMEG030V030EPDZ by Nexperia USA Inc.) maintains the same 30 V reverse voltage rating and fast recovery speed characteristic but operates at a reduced average rectified current of 3 A. This part is qualified to AEC-Q101 automotive standards and shares the same RoHS3 compliance and surface mount technology. The PMEG030V030EPDZ is suitable for applications where the 8 A current requirement can be reduced or where parallel configurations are implemented.

Substitution eligibility is determined by matching: voltage rating (30 V), package type (TO-277, 3-PowerDFN), technology (Schottky), mounting method (Surface Mount), and compliance certifications (AEC-Q101, RoHS3).

Parameter Comparison

Parameter	SS8P3LHM3_A/I	SS8P3L-M3/86A	SS8P3LHM3_A/H	PMEG030V030EPDZ
Manufacturer	Vishay	Vishay	Vishay	Nexperia USA Inc.
Voltage - DC Reverse (Vr) (Max)	30 V	30 V	30 V	30 V
Current - Average Rectified (Io)	8 A	8 A	8 A	3 A
Voltage - Forward (Vf) (Max) @ If	570 mV @ 8 A	570 mV @ 8 A	570 mV @ 8 A	450 mV @ 3 A
Speed	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns
Current - Reverse Leakage @ Vr	200 µA @ 30 V	200 µA @ 30 V	200 µA @ 30 V	150 µA @ 30 V
Capacitance @ Vr, F	330pF @ 4V, 1MHz	330pF @ 4V, 1MHz	330pF @ 4V, 1MHz	495pF @ 1V, 1MHz
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Supplier Device Package	TO-277A (SMPC)	TO-277A (SMPC)	TO-277A (SMPC)	CFP15
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	Max 175°C
Grade	Automotive	—	Automotive	Automotive
Qualification	AEC-Q101	—	AEC-Q101	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

SS8P3L-M3/86A is a direct parametric equivalent to SS8P3LHM3_A/I. Both parts maintain identical electrical specifications across voltage rating, current capacity, forward voltage drop, and reverse leakage characteristics. Both are packaged in TO-277A (SMPC) surface mount configuration and operate within the same temperature range. SS8P3L-M3/86A is also manufactured by Vishay within the eSMP® series and carries ROHS3 compliance. This part is suitable for direct substitution in applications requiring full 8 A current capacity.

SS8P3LHM3_A/H is a parametric equivalent with identical electrical performance to SS8P3LHM3_A/I. Both parts are qualified to AEC-Q101 automotive standards and carry automotive grade designation. Both maintain the same 30 V reverse voltage, 8 A current rating, and fast recovery characteristics. This part is suitable for direct substitution in automotive applications requiring AEC-Q101 qualification.

PMEG030V030EPDZ by Nexperia USA Inc. is a manufacturer-recommended substitute with the same 30 V reverse voltage rating and fast recovery speed. This part is qualified to AEC-Q101 automotive standards and carries ROHS3 compliance. The primary difference is the reduced average rectified current rating of 3 A compared to 8 A. PMEG030V030EPDZ is suitable for applications where current requirements do not exceed 3 A or where multiple devices are configured in parallel to achieve higher current capacity. The maximum junction temperature of 175°C provides extended thermal operating range compared to the 150°C maximum of the primary part.

Frequently Asked Questions (FAQ)

Q: Can SS8P3L-M3/86A be used as a direct replacement for SS8P3LHM3_A/I?

A: Yes. SS8P3L-M3/86A maintains identical electrical specifications including 30 V reverse voltage, 8 A average rectified current, 570 mV forward voltage drop at 8 A, and fast recovery speed. Both parts are packaged in TO-277A (SMPC) surface mount configuration and operate within -55°C to 150°C junction temperature range. The parts are interchangeable from an electrical and mechanical standpoint.

Q: What is the primary difference between SS8P3LHM3_A/I and PMEG030V030EPDZ?

A: The primary difference is the average rectified current rating. SS8P3LHM3_A/I is rated for 8 A, while PMEG030V030EPDZ is rated for 3 A. Both maintain the same 30 V reverse voltage rating and fast recovery speed. PMEG030V030EPDZ is suitable for lower-current applications or when configured in parallel for higher current capacity.

Q: Are all substitute parts qualified to AEC-Q101?

A: SS8P3LHM3_A/I, SS8P3LHM3_A/H, and PMEG030V030EPDZ are all qualified to AEC-Q101 automotive standards. SS8P3L-M3/86A does not carry an explicit AEC-Q101 qualification designation in the provided specifications.

Q: Do all substitute parts have the same package configuration?

A: All parts use TO-277 and 3-PowerDFN package designations. However, the supplier device packages differ: SS8P3LHM3_A/I, SS8P3L-M3/86A, and SS8P3LHM3_A/H use TO-277A (SMPC), while PMEG030V030EPDZ uses CFP15. Verify PCB footprint compatibility before substitution.

Q: What is the moisture sensitivity level for these parts?

A: All substitute parts carry Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.

Q: Can PMEG030V030EPDZ handle the full 8 A current requirement of the original application?

A: No. PMEG030V030EPDZ is rated for 3 A average rectified current. Use this part only in applications where current requirements do not exceed 3 A, or implement parallel configurations to achieve higher current capacity.

Q: Are all parts RoHS3 compliant?

A: Yes. SS8P3LHM3_A/I, SS8P3L-M3/86A, SS8P3LHM3_A/H, and PMEG030V030EPDZ are all ROHS3 compliant.

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