ACGRC504-G Equivalent & Substitute Parts Reference

Part Overview

The ACGRC504-G is a general-purpose rectifier diode manufactured by Comchip Technology, rated for 400V DC reverse voltage and 5A average rectified current in a surface mount DO-214AB (SMC) package. This component is classified as Last Time Buy, indicating discontinued production with limited inventory availability. Identifying equivalent substitute parts is necessary to ensure design continuity and supply chain reliability for applications requiring this diode specification.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	400	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	1.15 @ 5 A	V
Speed	Standard Recovery >500ns, > 200mA (Io)	-
Current - Reverse Leakage @ Vr	5	µA
Capacitance @ Vr, F	25pF @ 4V, 1MHz	pF
Package / Case	DO-214AB, SMC	-
Operating Temperature - Junction	-55 to 150	°C
Grade	Automotive	-
Qualification	AEC-Q101	-

Substitute Part Grouping Explanation

Substitution eligibility for the ACGRC504-G is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

Voltage - DC Reverse (Vr) (Max): 400V minimum
Current - Average Rectified (Io): 5A minimum
Voltage - Forward (Vf) (Max) @ If: 1.15V or lower @ 5A
Speed: Standard Recovery >500ns, > 200mA (Io)
Operating Temperature - Junction: -55°C to 150°C minimum range

Mechanical & Package Equivalence Requirements:

Package / Case: DO-214AB, SMC (surface mount)
Mounting Type: Surface Mount

Compliance & Grade Requirements:

Grade: Automotive
Qualification: AEC-Q101
RoHS Status: ROHS3 Compliant

The ACGRC504-HF qualifies as a direct substitute based on identical electrical ratings, package configuration, automotive grade, and AEC-Q101 qualification. The primary distinction is product status: ACGRC504-HF is Active, whereas ACGRC504-G is Last Time Buy.

Parameter Comparison

Parameter	ACGRC504-G (Main Part)	ACGRC504-HF (Substitute)	Match Status
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	Equivalent
Current - Average Rectified (Io)	5 A	5 A	Equivalent
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 5 A	1.15 V @ 5 A	Equivalent
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Equivalent
Current - Reverse Leakage @ Vr	5 µA @ 1700 V	5 µA @ 400 V	Compatible
Capacitance @ Vr, F	25pF @ 4V, 1MHz	25pF @ 4V, 1MHz	Equivalent
Package / Case	DO-214AB, SMC	DO-214AB, SMC	Equivalent
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	Equivalent
Grade	Automotive	Automotive	Equivalent
Qualification	AEC-Q101	AEC-Q101	Equivalent
Product Status	Last Time Buy	Active	Substitute Available

Engineering Selection Recommendations

ACGRC504-HF is the direct substitute for ACGRC504-G based on the following engineering criteria:

Electrical Specification Match: All critical electrical parameters are identical, including reverse voltage rating, forward current capacity, forward voltage drop, and recovery speed characteristics.
Package Compatibility: Both parts use the DO-214AB (SMC) surface mount package, ensuring mechanical and thermal compatibility with existing PCB layouts and assembly processes.
Automotive Grade & Compliance: Both parts carry Automotive grade classification and AEC-Q101 qualification, meeting automotive reliability and qualification standards. Both are ROHS3 compliant.
Product Status Advantage: ACGRC504-HF is Active status, providing long-term supply availability and production continuity, whereas ACGRC504-G is Last Time Buy with limited inventory (812 pcs).
Reverse Leakage Specification: ACGRC504-HF specifies reverse leakage at 400V, which is the rated reverse voltage. This represents a more conservative and practical specification compared to ACGRC504-G's 1700V measurement point.

For new designs or production transitions, ACGRC504-HF is the recommended selection to ensure sustained component availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can ACGRC504-HF be used as a direct replacement for ACGRC504-G in existing designs?

A: Yes. ACGRC504-HF is electrically and mechanically equivalent to ACGRC504-G. Both parts have identical voltage ratings (400V), current ratings (5A), forward voltage characteristics (1.15V @ 5A), and package configuration (DO-214AB, SMC). No circuit modifications are required.

Q: What is the difference between ACGRC504-G and ACGRC504-HF?

A: The primary difference is product status. ACGRC504-G is Last Time Buy (discontinued), while ACGRC504-HF is Active (ongoing production). The reverse leakage specification measurement point differs: ACGRC504-G at 1700V versus ACGRC504-HF at 400V. All other electrical and mechanical parameters are identical.

Q: Are both parts qualified for automotive applications?

A: Yes. Both ACGRC504-G and ACGRC504-HF carry Automotive grade classification and AEC-Q101 qualification, meeting automotive reliability standards.

Q: What is the DO-214AB (SMC) package?

A: DO-214AB is a surface mount diode package, also designated as SMC (Surface Mount Case). This package is standard for general-purpose rectifier diodes and is compatible with automated PCB assembly equipment.

Q: Why should I transition from ACGRC504-G to ACGRC504-HF?

A: ACGRC504-G is Last Time Buy with limited inventory (812 pcs). ACGRC504-HF is Active status, ensuring long-term availability for current and future production runs. Transitioning to ACGRC504-HF eliminates supply chain risk.

Q: Are there any thermal or performance differences between these parts?

A: No. Both parts have identical operating temperature ranges (-55°C to 150°C), thermal characteristics, and performance specifications. They are functionally interchangeable.

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