Equivalent & Substitute Parts for SS2FL3HM3/I – Vishay General Semiconductor - Diodes Division

Part Overview

The SS2FL3HM3/I is an automotive-grade Schottky rectifier diode designed for surface-mount applications within the Diodes, Rectifiers category. It features a maximum DC reverse voltage of 30 V, average rectified current of 2A, and is packaged in the DO-219AB (SMF) form factor. The product is classified as active and holds AEC-Q101 automotive qualification. Situations such as extended lead times, inventory constraints, or specific compliance requirements may necessitate identification and use of substitute models within the same parametric and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	SS2FL3HM3/I
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io)	2A
Voltage - Forward (Vf) (Max) @ If	540 mV @ 2 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 30 V
Capacitance @ Vr, F	145pF @ 4V, 1MHz
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package / Case	DO-219AB
Supplier Device Package	DO-219AB (SMF)
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution logic is strictly based on matching the following allowed parameters: maximum reverse voltage (30 V), average rectified current (2A), forward voltage at rated current (540 mV @ 2 A), reverse leakage current (200 µA @ 30 V), capacitance (145pF @ 4V, 1MHz), technology (Schottky), speed, qualification, grade, package (DO-219AB), mounting type, operating temperature range, and compliance certifications (RoHS3, REACH). Only parts meeting all these criteria are listed as parametric equivalents.

Parameter Comparison

Parameter	SS2FL3HM3/I	SS2FL3-M3/H	SS2FL3HM3/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)	30 V	30 V	30 V
Current - Average Rectified (Io)	2A	2A	2A
Voltage - Forward (Vf) (Max) @ If	540 mV @ 2 A	540 mV @ 2 A	540 mV @ 2 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 30 V	200 µA @ 30 V	200 µA @ 30 V
Capacitance @ Vr, F	145pF @ 4V, 1MHz	145pF @ 4V, 1MHz	145pF @ 4V, 1MHz
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-219AB	DO-219AB	DO-219AB
Supplier Device Package	DO-219AB (SMF)	DO-219AB (SMF)	DO-219AB (SMF)
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All listed substitute diodes match the main part SS2FL3HM3/I across electrical, mechanical, and compliance parameters, including active product status, RoHS3 compliance, and unaffected REACH status. Models with automotive grade and AEC-Q101 qualification are suitable for automotive applications, while all substitutes deliver identical core performance and packaging.

Frequently Asked Questions (FAQ)

Q: What parameters are critical for substituting SS2FL3HM3/I in a design?
A: Key substitution parameters are voltage rating, current rating, forward voltage at rated current, reverse leakage, capacitance, technology, package, mounting type, operating temperature range, and compliance certifications.

Q: Are all substitutes listed automotive qualified?
A: Only those marked with grade "Automotive" and qualification "AEC-Q101" align with automotive requirements.

Q: Is package compatibility maintained across listed substitutes?
A: All substitutes are provided in the DO-219AB (SMF) surface mount package, ensuring mechanical interchangeability.

Q: Do substitutes share the same compliance status?
A: Yes, all parts listed are ROHS3 compliant and REACH unaffected.

Q: What is the significance of matching the speed and capacitance parameters in substitutes?
A: Matching speed and capacitance ensures equivalent switching performance and signal integrity in the application.

Q: Can substitutes be used in existing PCB layouts designed for DO-219AB package?
A: Yes, as all substitutes use the DO-219AB (SMF) package, compatibility with the same board layout is maintained.

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