SS3P5LHM3_A/I Equivalent & Substitute Parts

Part Overview

The SS3P5LHM3_A/I is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 50 V DC reverse voltage and 3 A average rectified current in a surface mount TO-277A (SMPC) package. This component is classified as Active product status with AEC-Q101 automotive qualification. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	50 V
Current - Average Rectified (Io)	3 A
Voltage - Forward (Vf) (Max) @ If	600 mV @ 3 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	150 µA @ 50 V
Technology	Schottky
Package / Case	TO-277, 3-PowerDFN
Mounting Type	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SS3P5LHM3_A/I are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Voltage Rating: DC reverse voltage of 50 V (maximum)
Current Rating: Average rectified current of 3 A
Forward Voltage: 600 mV maximum at 3 A
Recovery Speed: Fast recovery ≤ 500 ns for currents > 200 mA
Reverse Leakage: 150 µA at 50 V
Package: TO-277, 3-PowerDFN surface mount configuration
Technology: Schottky diode
Temperature Range: -55°C to 150°C junction operating temperature
Compliance: ROHS3 compliant, AEC-Q101 qualified for automotive applications

All identified substitute parts meet these parameters identically and are manufactured by Vishay General Semiconductor - Diodes Division.

Parameter Comparison

Parameter	SS3P5LHM3_A/I	SS3P5L-M3/86A	SS3P5LHM3_A/H
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Technology	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	50 V
Current - Average Rectified (Io)	3 A	3 A	3 A
Voltage - Forward (Vf) (Max) @ If	600 mV @ 3 A	600 mV @ 3 A	600 mV @ 3 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	150 µA @ 50 V	150 µA @ 50 V	150 µA @ 50 V
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Grade	Automotive	Not specified	Automotive
Qualification	AEC-Q101	Not specified	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

SS3P5LHM3_A/I (Main Part)

The SS3P5LHM3_A/I is the primary reference component with full automotive qualification (AEC-Q101) and automotive grade designation. This part is suitable for applications requiring certified automotive-grade Schottky rectifier diodes with guaranteed compliance to automotive standards.

SS3P5LHM3_A/H (Direct Equivalent)

The SS3P5LHM3_A/H is a direct parametric equivalent with identical electrical specifications, automotive grade, and AEC-Q101 qualification. This part is suitable for direct substitution in automotive applications where AEC-Q101 certification is required. Packaging is Tape & Reel (TR).

SS3P5L-M3/86A (Parametric Equivalent)

The SS3P5L-M3/86A meets all electrical and mechanical parameters identically. This part is available in Cut Tape (CT) and Digi-Reel® packaging options. Automotive grade and AEC-Q101 qualification status are not specified for this variant. Selection of this part should be based on packaging requirements and supply chain availability when automotive certification is not a design requirement.

All three parts are manufactured by Vishay General Semiconductor - Diodes Division, share the same base product number (SS3P5), and are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can SS3P5L-M3/86A be used in place of SS3P5LHM3_A/I in automotive applications?

A: SS3P5L-M3/86A meets all electrical and mechanical parameters of SS3P5LHM3_A/I. However, automotive grade and AEC-Q101 qualification status are not specified for SS3P5L-M3/86A. Use of this part in automotive applications should be evaluated against specific design and certification requirements.

Q: What is the difference between the packaging options for these parts?

A: SS3P5LHM3_A/I and SS3P5LHM3_A/H are supplied in Tape & Reel (TR) packaging. SS3P5L-M3/86A is available in Cut Tape (CT) and Digi-Reel® packaging. All three parts use the same TO-277A (SMPC) surface mount package configuration.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. SS3P5LHM3_A/I, SS3P5L-M3/86A, and SS3P5LHM3_A/H are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level.

Q: What are the key electrical parameters that define substitutability for this diode?

A: The critical parameters are: 50 V DC reverse voltage rating, 3 A average rectified current, 600 mV forward voltage at 3 A, fast recovery speed ≤ 500 ns, and 150 µA reverse leakage current at 50 V. All substitute parts match these specifications exactly.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. All three parts use identical TO-277, 3-PowerDFN surface mount package configuration and footprint. PCB layout and assembly processes remain unchanged. Packaging format (Tape & Reel versus Cut Tape) affects only the supply and handling method, not the component itself.

Q: What is the operating temperature range for these diodes?

A: The junction operating temperature range is -55°C to 150°C for all three parts, supporting both industrial and automotive temperature environments.

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