Equivalent & Substitute Parts Reference for SSB43LHM3_A/H

Part Overview

SSB43LHM3_A/H is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, categorized under Diodes, Rectifiers. This surface-mount component in a DO-214AA (SMB) package features automotive grade qualification (AEC-Q101), supporting 30 V DC reverse voltage and 4A average rectified current. The product is RoHS3 compliant, active, and available in tape & reel packaging. Identifying alternative models is essential for ensuring supply chain continuity, assisting with logistics, inventory coverage, and maintaining design flexibility in automotive and other demanding applications.

Key Parameters

Parameter	Value
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io)	4A
Voltage - Forward (Vf) (Max) @ If	450 mV @ 4 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	600 µA @ 30 V
Mounting Type	Surface Mount
Package / Case	DO-214AA, SMB
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant
Automotive Grade	AEC-Q101
Product Status	Active

Substitute Part Grouping Explanation

Substitution for SSB43LHM3_A/H is determined strictly by matching key electrical and mechanical parameters, including Schottky technology, maximum DC reverse voltage of 30 V, 4A average rectified current, forward voltage of 450 mV at 4 A, fast recovery speed, reverse leakage, surface-mount configuration, DO-214AA (SMB) package, and AEC-Q101 automotive qualification. Compliance with RoHS3 and active product status are also mandatory for substitution.

Parameter Comparison

Part Number	Manufacturer	Technology	Vr (Max)	Io	Vf (Max) @ If	Speed	Reverse Leakage @ Vr	Mounting Type	Package / Case	Operating Temp - Junction	RoHS Status	Automotive Grade	Product Status	Packaging
SSB43LHM3_A/H	Vishay General Semiconductor - Diodes Division	Schottky	30 V	4A	450 mV @ 4 A	Fast Recovery =< 500ns, > 200mA (Io)	600 µA @ 30 V	Surface Mount	DO-214AA, SMB	-65°C ~ 150°C	ROHS3 Compliant	AEC-Q101	Active	Tape & Reel (TR)
SSB43L-E3/52T	Vishay General Semiconductor - Diodes Division	Schottky	30 V	4A	450 mV @ 4 A	Fast Recovery =< 500ns, > 200mA (Io)	600 µA @ 30 V	Surface Mount	DO-214AA, SMB	-65°C ~ 150°C	ROHS3 Compliant	AEC-Q101	Active	Cut Tape (CT) & Digi-Reel®
SSB43L-E3/5BT	Vishay General Semiconductor - Diodes Division	Schottky	30 V	4A	450 mV @ 4 A	Fast Recovery =< 500ns, > 200mA (Io)	600 µA @ 30 V	Surface Mount	DO-214AA, SMB	-65°C ~ 150°C	ROHS3 Compliant	AEC-Q101	Active	Cut Tape (CT) & Digi-Reel®, Tape & Reel (TR)
SSB43L-M3/52T	Vishay General Semiconductor - Diodes Division	Schottky	30 V	4A	450 mV @ 4 A	Fast Recovery =< 500ns, > 200mA (Io)	600 µA @ 30 V	Surface Mount	DO-214AA, SMB	-65°C ~ 150°C	ROHS3 Compliant	AEC-Q101	Active	Tape & Reel (TR)

Engineering Selection Recommendations

All substitute parts listed share active product status, RoHS3 compliance, AEC-Q101 automotive qualification, and identical key electrical and mechanical parameters with SSB43LHM3_A/H. Selection between parts can be performed based on packaging preferences and inventory availability. No deviation from provided certifications or status is permitted.

Frequently Asked Questions (FAQ)

Q1: What defines an equivalent or substitute for SSB43LHM3_A/H?
A1: Equivalence is defined by matching key electrical parameters (Schottky technology, 30 V Vr, 4A Io, forward voltage, speed, reverse leakage), mechanical package (DO-214AA, SMB), mounting type, automotive grade qualification (AEC-Q101), operating temperature, and compliance status.

Q2: Are the alternative Vishay SSB43L series part numbers interchangeable in SMT designs?
A2: Yes, all listed substitutes use the DO-214AA (SMB) surface-mount package, ensuring mechanical and soldering compatibility.

Q3: Is RoHS compliance maintained across listed substitute diodes?
A3: All listed parts are RoHS3 compliant, meeting environmental and regulatory requirements.

Q4: Should automotive grade qualification influence part selection?
A4: The automotive grade AEC-Q101 qualification must be present for automotive applications. All listed substitutes provide this certification.

Q5: How do packaging options affect substitute choice?
A5: Selection may be based on packaging (Tape & Reel, Cut Tape, Digi-Reel®) to suit specific manufacturing or logistics requirements. All substitutes maintain identical part characteristics beyond packaging.

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