ACGRC302-HF Equivalent & Substitute Parts

Part Overview

The ACGRC302-HF is a general-purpose rectifier diode manufactured by Comchip Technology, rated for 100 V DC reverse voltage and 3 A average rectified current in a DO-214AB surface mount package. This component is classified as Active product status with AEC-Q101 automotive qualification and ROHS3 compliance. Substitute parts are identified when equivalent electrical and mechanical parameters are available from alternative manufacturers, enabling procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.15 @ 3 A	V
Speed	Standard Recovery >500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	5	µA @ 100 V
Package / Case	DO-214AB, SMC	—
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the ACGRC302-HF are qualified based on the following electrical and mechanical parameters:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 100 V
Current - Average Rectified (Io): 3 A
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Operating Temperature - Junction: -55°C to 150°C
Technology: Standard

Compliance Criteria:

RoHS Status: ROHS3 Compliant
Product Status: Active

The identified substitute parts S3B-E3/57T and S3BHE3_A/H meet all primary equivalence criteria. Both are manufactured by Vishay General Semiconductor - Diodes Division and share identical voltage, current, package, and temperature specifications. S3BHE3_A/H additionally carries AEC-Q101 automotive qualification, matching the grade classification of the main part.

Parameter Comparison

Parameter	ACGRC302-HF (Comchip)	S3B-E3/57T (Vishay)	S3BHE3_A/H (Vishay)
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V
Current - Average Rectified (Io)	3 A	3 A	3 A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 3 A	1.15 V @ 2.5 A	1.15 V @ 2.5 A
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	5 µA @ 100 V	10 µA @ 100 V	10 µA @ 100 V
Capacitance @ Vr, F	20 pF @ 4V, 1MHz	60 pF @ 4V, 1MHz	60 pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Grade	Automotive	—	Automotive
Qualification	AEC-Q101	—	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

S3BHE3_A/H (Preferred Substitute): S3BHE3_A/H is the preferred substitute for ACGRC302-HF in applications requiring automotive-grade components. Both parts carry AEC-Q101 qualification and Automotive grade classification. Electrical parameters are equivalent across voltage, current, and temperature ranges. This part is suitable for direct replacement in automotive and industrial applications where AEC-Q101 compliance is specified.

S3B-E3/57T (General-Purpose Substitute): S3B-E3/57T meets all primary electrical and mechanical equivalence criteria and carries ROHS3 compliance. This part lacks automotive grade designation and AEC-Q101 qualification. S3B-E3/57T is suitable for general-purpose applications where automotive qualification is not required. Higher inventory availability (12,400 pcs) may support extended procurement timelines.

Both substitute parts are Active product status from an established manufacturer, ensuring long-term availability and technical support.

Frequently Asked Questions (FAQ)

Q: Can S3B-E3/57T be used as a direct replacement for ACGRC302-HF in automotive applications?

A: S3B-E3/57T meets electrical and mechanical equivalence criteria but lacks AEC-Q101 qualification and Automotive grade designation. Use in automotive applications depends on specific design requirements and qualification standards. For applications explicitly requiring AEC-Q101 compliance, S3BHE3_A/H is the appropriate substitute.

Q: What are the differences in reverse leakage current between the main part and substitutes?

A: ACGRC302-HF specifies 5 µA reverse leakage at 100 V, while both S3B-E3/57T and S3BHE3_A/H specify 10 µA at 100 V. This difference is within standard rectifier diode tolerances and does not affect functional equivalence for general-purpose and automotive applications.

Q: Are the capacitance differences between parts significant?

A: ACGRC302-HF specifies 20 pF capacitance at 4V, 1MHz, while substitutes specify 60 pF. Capacitance differences may affect high-frequency switching performance. Verify capacitance requirements in circuit design before substitution in applications with frequency-sensitive specifications.

Q: Do all parts use the same package and mounting process?

A: All three parts use DO-214AB (SMC) package with surface mount technology. PCB footprints and reflow soldering processes are identical, enabling direct mechanical substitution without layout modifications.

Q: What is the inventory status for each part?

A: ACGRC302-HF has 3,418 pcs in stock. S3B-E3/57T has 12,400 pcs available. S3BHE3_A/H has 1,351 pcs in stock. Inventory levels may affect procurement lead times and supply chain planning.

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