Equivalent & Substitute Parts Reference for S3GHM3_A/I

Part Overview

S3GHM3_A/I from Vishay General Semiconductor - Diodes Division is an automotive-grade general-purpose rectifier diode rated at 400V, 3A, packaged in the DO-214AB (SMC) surface-mount format. It features standard recovery speed and AEC-Q101 qualification. Finding alternative models is essential for supply continuity, optimizing inventory usage, and ensuring compliance with automotive and RoHS requirements. Alternatives must fully match electrical, mechanical, and qualification parameters to maintain form, fit, and function.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Packaging	Description	Detailed Description	Product Status	Technology	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Speed	Reverse Recovery Time (trr)	Current - Reverse Leakage @ Vr	Capacitance @ Vr, F	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package	Operating Temperature - Junction	RoHS Status	Moisture Sensitivity Level (MSL)	REACH Status	ECCN	HTSUS
S3GHM3_A/I	Vishay General Semiconductor - Diodes Division	Diodes, Rectifiers	Tape & Reel (TR)	DIODE GEN PURP 400V 3A DO214AB	Diode 400 V 3A Surface Mount DO-214AB (SMC)	Active	Standard	400 V	3A	1.15 V @ 2.5 A	Standard Recovery >500ns, > 200mA (Io)	2.5 µs	10 µA @ 400 V	60pF @ 4V, 1MHz	Automotive	AEC-Q101	Surface Mount	DO-214AB, SMC	DO-214AB (SMC)	-55°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8541.10.0080

Substitute Part Grouping Explanation

Substitute parts are grouped strictly by matching the following key parameters: voltage rating, current rating, forward voltage, reverse recovery time, reverse leakage, package type, mounting method, technology, grade, qualification, environmental compliance (RoHS, REACH), and mechanical footprint. Only parts with identical or strictly equivalent electrical and mechanical parameters in DO-214AB (SMC) are included. Qualification such as automotive grade (AEC-Q101) is explicitly matched where indicated in the source data.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Packaging	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Speed	Reverse Recovery Time (trr)	Current - Reverse Leakage @ Vr	Capacitance @ Vr, F	Grade	Qualification	Mounting Type	Package / Case	Operating Temperature - Junction	RoHS Status	Moisture Sensitivity Level (MSL)	REACH Status	ECCN	HTSUS
S3GHM3_A/I	Vishay General Semiconductor	Tape & Reel (TR)	400 V	3A	1.15 V @ 2.5 A	Standard Recovery >500ns, > 200mA (Io)	2.5 µs	10 µA @ 400 V	60pF @ 4V, 1MHz	Automotive	AEC-Q101	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8541.10.0080
S3G-E3/57T	Vishay General Semiconductor	Cut Tape (CT)	400 V	3A	1.15 V @ 2.5 A	Standard Recovery >500ns, > 200mA (Io)	2.5 µs	10 µA @ 400 V	60pF @ 4V, 1MHz	-	-	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8541.10.0080
S3G-E3/9AT	Vishay General Semiconductor	Tape & Reel (TR)	400 V	3A	1.15 V @ 2.5 A	Standard Recovery >500ns, > 200mA (Io)	2.5 µs	10 µA @ 400 V	60pF @ 4V, 1MHz	-	-	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8541.10.0080
S3GHE3_A/H	Vishay General Semiconductor	Cut Tape (CT)	400 V	3A	1.15 V @ 2.5 A	Standard Recovery >500ns, > 200mA (Io)	2.5 µs	10 µA @ 400 V	60pF @ 4V, 1MHz	Automotive	AEC-Q101	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8541.10.0080
S3GHE3_A/I	Vishay General Semiconductor	Cut Tape (CT)	400 V	3A	1.15 V @ 2.5 A	Standard Recovery >500ns, > 200mA (Io)	2.5 µs	10 µA @ 400 V	60pF @ 4V, 1MHz	Automotive	AEC-Q101	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8541.10.0080
ACGRC304-HF	Comchip Technology	Tape & Reel (TR)	400 V	3A	1.15 V @ 3 A	Standard Recovery >500ns, > 200mA (Io)	-	5 µA @ 400 V	20pF @ 4V, 1MHz	Automotive	AEC-Q101	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	-	EAR99	8541.10.0080

Engineering Selection Recommendations

Select alternative diodes only if product status is “Active,” RoHS status is “ROHS3 Compliant,” and qualification is AEC-Q101 when required by the original application. Ensure package and mounting type are identical (DO-214AB, SMC, Surface Mount) for mechanical compatibility. Alternatives listed above match all supplied certification, compliance, and key electrical parameters required for direct component substitution in the same application environment.

Frequently Asked Questions (FAQ)

Q1: Which key parameters must match to substitute S3GHM3_A/I in automotive applications?
A1: Voltage rating, current rating, forward voltage, reverse recovery time, reverse leakage, package (DO-214AB, SMC), mounting method, automotive grade, and AEC-Q101 qualification.

Q2: Can packaging type (Tape & Reel vs. Cut Tape) affect substitution?
A2: Packaging type impacts logistics, not electrical or mechanical compatibility. Both formats—Tape & Reel (TR) and Cut Tape (CT)—contain the same device suitable for surface-mount assembly.

Q3: Is RoHS and REACH compliance mandatory for substitutions?
A3: Substitute components must maintain ROHS3 Compliant and REACH Unaffected status unless specific application requirements allow otherwise.

Q4: Does the automotive qualification (AEC-Q101) need to be present for automotive use?
A4: Automotive applications require substitute parts with AEC-Q101 qualification and explicit automotive grade marking.

Q5: Are all substitutes listed compatible in the same PCB footprint and thermal profile?
A5: All substitutes are specified in the DO-214AB (SMC) package and operate within the -55°C ~ 150°C junction temperature range, matching mechanical and thermal requirements.

Q6: Why is matching reverse recovery time and leakage current important for substitution?
A6: These parameters directly impact switching performance and off-state behavior in electronic circuits, so they remain essential substitution criteria.

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