SS3P6LHM3_A/H Equivalent & Substitute Parts

Part Overview

The SS3P6LHM3_A/H is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 60 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 60 V / 3 A Schottky rectification in compatible package configurations.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	600	mV @ 3 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Current - Reverse Leakage @ Vr	150	µA @ 50 V
Operating Temperature - Junction	-55 to 150	°C
Technology	Schottky	-
Mounting Type	Surface Mount	-
Grade	Automotive	-
Qualification	AEC-Q101	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the SS3P6LHM3_A/H is determined by equivalence in the following critical parameters:

Voltage Rating: 60 V DC reverse voltage (Vr) maximum
Current Rating: 3 A average rectified current (Io)
Technology: Schottky rectifier diode
Speed Classification: Fast recovery ≤ 500ns at > 200mA
Operating Temperature Range: -55°C to 150°C junction temperature
Compliance: AEC-Q101 automotive qualification and ROHS3 compliance
Mounting: Surface mount configuration

Substitute parts are grouped into two categories:

Parametric Equivalents (Vishay SS3P6 series): Parts SS3P6L-M3/86A and SS3P6LHM3_A/I maintain identical electrical specifications and base product lineage. Differences exist only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and minor leakage current measurement conditions.

Direct Manufacturer Equivalent (Diodes Incorporated PDS360Q-13): This part meets all critical electrical parameters (60 V, 3 A, Schottky, fast recovery, AEC-Q101) but uses a different package form factor (PowerDI™ 5 versus TO-277A). Forward voltage specification differs slightly (620 mV versus 600 mV at 3 A).

Parameter Comparison

Parameter	SS3P6LHM3_A/H	SS3P6L-M3/86A	SS3P6LHM3_A/I	PDS360Q-13
Manufacturer	Vishay	Vishay	Vishay	Diodes Incorporated
Voltage - DC Reverse (Vr) (Max)	60 V	60 V	60 V	60 V
Current - Average Rectified (Io)	3 A	3 A	3 A	3 A
Voltage - Forward (Vf) (Max) @ If	600 mV @ 3 A	600 mV @ 3 A	600 mV @ 3 A	620 mV @ 3 A
Speed	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Current - Reverse Leakage @ Vr	150 µA @ 50 V	150 µA @ 60 V	150 µA @ 50 V	150 µA @ 60 V
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C
Technology	Schottky	Schottky	Schottky	Schottky
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	PowerDI™ 5
Grade	Automotive	-	Automotive	Automotive
Qualification	AEC-Q101	-	AEC-Q101	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

SS3P6L-M3/86A (Vishay): This part is a parametric equivalent suitable for direct substitution where packaging format permits. It maintains identical electrical specifications and automotive qualification (AEC-Q101). The primary distinction is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). Selection is appropriate for applications with flexible reel format requirements and where inventory sourcing from alternative packaging streams is acceptable.

SS3P6LHM3_A/I (Vishay): This part is a parametric equivalent with identical electrical specifications, automotive grade designation, and AEC-Q101 qualification to the main part. It is supplied in Tape & Reel format matching the primary part configuration. This substitute is suitable for direct replacement in production environments where packaging consistency is required.

PDS360Q-13 (Diodes Incorporated): This part meets all critical electrical parameters and automotive compliance requirements (AEC-Q101, ROHS3). The forward voltage specification is 620 mV at 3 A, compared to 600 mV for the Vishay parts, representing a 20 mV differential. The package form factor is PowerDI™ 5, which differs from the TO-277A configuration. Selection of this part requires PCB layout compatibility verification with the PowerDI™ 5 footprint. This substitute is appropriate for applications where package footprint redesign is feasible and forward voltage tolerance permits the 20 mV specification variance.

All substitute parts maintain Active product status, ROHS3 compliance, and automotive-grade qualification consistent with the primary part.

Frequently Asked Questions (FAQ)

Q: Can SS3P6L-M3/86A be used as a direct replacement for SS3P6LHM3_A/H?

A: Yes. Both parts are Vishay Schottky diodes with identical electrical specifications (60 V, 3 A, 600 mV forward voltage, fast recovery ≤ 500ns). The primary difference is packaging format: SS3P6L-M3/86A is supplied in Cut Tape & Digi-Reel® format, while SS3P6LHM3_A/H is supplied in Tape & Reel format. Electrical performance and compliance are equivalent.

Q: What is the significance of the forward voltage difference between Vishay and Diodes Incorporated parts?

A: The Vishay parts (SS3P6LHM3_A/H, SS3P6L-M3/86A, SS3P6LHM3_A/I) specify 600 mV maximum forward voltage at 3 A. The Diodes Incorporated PDS360Q-13 specifies 620 mV at 3 A. This 20 mV difference affects power dissipation and thermal performance. Applications with tight thermal budgets or high-frequency switching must account for this variance in design calculations.

Q: Is the PDS360Q-13 package compatible with existing PCB layouts designed for SS3P6LHM3_A/H?

A: No. The SS3P6LHM3_A/H uses TO-277A (3-PowerDFN) package, while PDS360Q-13 uses PowerDI™ 5 package. These are different footprints requiring separate PCB layout designs. Substitution of PDS360Q-13 requires PCB redesign and layout verification.

Q: Are all substitute parts automotive-qualified?

A: SS3P6LHM3_A/I and PDS360Q-13 carry automotive grade designation with AEC-Q101 qualification. SS3P6L-M3/86A does not list automotive grade or AEC-Q101 qualification in the provided specifications. For automotive applications requiring AEC-Q101 compliance, use SS3P6LHM3_A/I or PDS360Q-13.

Q: What is the difference between reverse leakage current specifications at 50 V versus 60 V?

A: Reverse leakage current is measured at the specified reverse voltage. SS3P6LHM3_A/H and SS3P6LHM3_A/I specify 150 µA at 50 V, while SS3P6L-M3/86A and PDS360Q-13 specify 150 µA at 60 V. Both measurements indicate equivalent leakage performance across the rated voltage range. The measurement voltage difference reflects manufacturer test conditions and does not indicate functional differences.

Q: Can these parts be used interchangeably in high-frequency switching applications?

A: All substitute parts meet the fast recovery specification (≤ 500ns at > 200mA). Interchangeability in high-frequency applications depends on circuit-specific requirements including switching frequency, load current, and thermal constraints. The 20 mV forward voltage difference between Vishay and Diodes Incorporated parts affects switching losses and must be evaluated in application-specific thermal analysis.

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

A: All parts carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity restrictions. These parts do not require special moisture control during storage, handling, or assembly.

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