Equivalent & Substitute Parts Reference: SS3P5L-M3/87A

Part Overview

The SS3P5L-M3/87A (Vishay General Semiconductor - Diodes Division) is an active Schottky rectifier diode intended for surface mount applications, specifically in the TO-277A (SMPC) package. Key electrical characteristics include a maximum reverse voltage of 50 V, average rectified current of 3 A, and fast recovery performance. It is currently available in substantial inventory and suited for applications requiring ROHS3 compliance and robust junction temperature range. Alternate models are required for uninterrupted supply, variant packaging, or specific compliance needs.

Key Parameters

Parameter	Value
Manufacturer Part Number	SS3P5L-M3/87A
Manufacturer	Vishay General Semiconductor - Diodes Division
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	50 V
Current - Average Rectified (Io)	3A
Voltage - Forward (Vf) (Max) @ If	600 mV @ 3 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	150 µA @ 50 V
Capacitance @ Vr, F	200pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	TO-277, 3-PowerDFN
Supplier Device Package	TO-277A (SMPC)
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution grouping is determined strictly based on electrical and mechanical equivalence. Acceptable substitutes must match or exceed the following key parameters: technology (Schottky), maximum DC reverse voltage, average rectified current, voltage forward at rated current, leakage current at rated reverse voltage, mounting type, package/case, junction temperature range, and compliance (ROHS3, REACH, MSL). Substitute parts provided are grouped as follows:

Parametric equivalents: Same technology, electrical ratings, mechanical format, and compliance.
Manufacturer recommended alternatives: Direct alternatives as stated, potentially with differences in voltage, current, or package type within provided parameters.

Parameter Comparison

Parameter	SS3P5L-M3/87A	SS3P5L-M3/86A	SS3P5LHM3_A/H	PDS540-13
Technology	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	50 V	40 V
Current - Average Rectified (Io)	3A	3A	3A	5A
Voltage - Forward (Vf) (Max) @ If	600 mV @ 3 A	600 mV @ 3 A	600 mV @ 3 A	520 mV @ 5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	150 µA @ 50 V	150 µA @ 50 V	150 µA @ 50 V	250 µA @ 40 V
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
Supplier Device Package	TO-277A (SMPC)	TO-277A (SMPC)	TO-277A (SMPC)	PowerDI™ 5
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All main and substitute parts are active and listed as ROHS3 compliant with unlimited MSL and unaffected REACH status. Refer to the product status, regulatory compliance, and qualification information when selecting a substitute. Where automotive grade or specific qualification (AEC-Q101) is required, select the appropriate part number. Do not use discontinued or non-compliant substitutes.

Frequently Asked Questions (FAQ)

Q1: What parameters are essential for substituting SS3P5L-M3/87A?
A1: The essential parameters are: technology, maximum DC reverse voltage, average rectified current, maximum forward voltage at rated current, reverse leakage current, mounting type, package/case, junction temperature range, and regulatory compliance.

Q2: Are package sizes and mounting types interchangeable among substitutes?
A2: Substitutes in TO-277, 3-PowerDFN with TO-277A (SMPC) supplier package are mechanically compatible. Alternatives like PDS540-13 use PowerDI™ 5 and require compatibility confirmation within existing physical or footprint constraints.

Q3: How does compliance affect substitution?
A3: Only parts marked ROHS3 compliant, with MSL 1 (Unlimited) and unaffected REACH status, should be selected to maintain regulatory requirements and process compatibility.

Q4: Can higher current or voltage ratings be substituted?
A4: Substitute parts must match or exceed the specified parameters. For example, PDS540-13 offers higher current (5A) but lower voltage (40V); ensure suitability within application requirements.

Q5: Are automotive-qualified versions available among substitutes?
A5: SS3P5LHM3_A/H is listed with automotive grade and AEC-Q101 qualification per the provided data. Select when such qualification is required.

Q6: What is the impact of forward voltage and leakage differences?
A6: Substitution requires parameters to be within specified maximums; deviations must not exceed application limits as specified in the original part requirements.

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