FR154G A0G Equivalent & Substitute Parts

Part Overview

The FR154G A0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 400 V DC reverse voltage and 1.5 A average rectified current in a DO-204AC (DO-15) through-hole axial package. This component is classified as Active product status and complies with RoHS3 and REACH regulations. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required for design flexibility, inventory management, or supply chain continuity.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	400	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1.5 A	V
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 400 V
Package / Case	DO-204AC, DO-15, Axial	—
Mounting Type	Through Hole	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the FR154G A0G are selected based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 400 V minimum
Package / Case: DO-204AC (DO-15) axial through-hole
Mounting Type: Through Hole
RoHS3 Compliance: Required

Secondary Compatibility Factors:

Current - Average Rectified (Io): Equal to or greater than 1.5 A
Voltage - Forward (Vf): Operating point compatibility at rated current
Reverse Recovery Time (trr): Fast recovery characteristics (≤500 ns) preferred for switching applications
Operating Temperature Range: Minimum -55°C to 150°C junction temperature support

The substitute parts listed below meet or exceed the primary matching criteria. Variations in secondary parameters reflect different manufacturer technology implementations within the same voltage and package class.

Parameter Comparison

Parameter	FR154G A0G (Main)	1N5060GP-E3/54	1N5617GP-E3/54	EGP20G-E3/54	GP15G-E3/54
Manufacturer	Taiwan Semiconductor Corporation	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	400 V	400 V	400 V
Current - Average Rectified (Io)	1.5 A	1 A	1 A	2 A	1.5 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1.5 A	1.2 V @ 1 A	1.2 V @ 1 A	1.25 V @ 2 A	1.1 V @ 1.5 A
Speed Classification	Fast Recovery ≤500ns	Standard Recovery >500ns	Fast Recovery ≤500ns	Fast Recovery ≤500ns	Standard Recovery >500ns
Reverse Recovery Time (trr)	150 ns	2 µs	150 ns	50 ns	3.5 µs
Current - Reverse Leakage @ Vr	5 µA @ 400 V	5 µA @ 400 V	500 nA @ 400 V	5 µA @ 400 V	5 µA @ 400 V
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Operating Temperature - Junction	-55 to 150°C	-65 to 175°C	-65 to 175°C	-65 to 150°C	-65 to 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Equivalent (Recommended Primary Substitute):

The GP15G-E3/54 provides the closest functional match to the FR154G A0G. Both components are rated for 400 V DC reverse voltage and 1.5 A average rectified current in identical DO-204AC through-hole packages. The GP15G-E3/54 demonstrates superior forward voltage performance (1.1 V @ 1.5 A versus 1.3 V @ 1.5 A), resulting in lower power dissipation. Both parts maintain RoHS3 compliance and Active product status. The extended operating temperature range of the GP15G-E3/54 (-65 to 175°C) provides additional thermal margin compared to the FR154G A0G (-55 to 150°C).

Current-Rated Alternatives:

The 1N5617GP-E3/54 and 1N5060GP-E3/54 are rated for 1 A average rectified current, which is below the 1.5 A specification of the main part. These substitutes are suitable only in applications where the actual load current does not exceed 1 A. Both maintain 400 V voltage rating and DO-204AC package compatibility.

The EGP20G-E3/54 is rated for 2 A average rectified current, exceeding the 1.5 A specification of the main part. This component provides current margin and is suitable for applications requiring higher current capacity within the same 400 V voltage class and DO-204AC package.

Compliance and Regulatory Status:

All substitute parts listed are Active product status and RoHS3 compliant. All components are REACH Unaffected and classified under ECCN EAR99 with identical HTSUS code 8541.10.0080, ensuring regulatory equivalence for procurement and export purposes.

Frequently Asked Questions (FAQ)

Q: Can the 1N5060GP-E3/54 or 1N5617GP-E3/54 be used as direct replacements for the FR154G A0G?

A: The 1N5060GP-E3/54 and 1N5617GP-E3/54 are rated for 1 A average rectified current, which is lower than the FR154G A0G specification of 1.5 A. These parts are suitable only in applications where the actual circuit current does not exceed 1 A. Both maintain the required 400 V voltage rating and DO-204AC package compatibility.

Q: What is the primary advantage of the GP15G-E3/54 over the FR154G A0G?

A: The GP15G-E3/54 provides identical voltage and current ratings (400 V, 1.5 A) in the same DO-204AC package. The key advantage is lower forward voltage drop (1.1 V @ 1.5 A versus 1.3 V @ 1.5 A), which reduces power dissipation and heat generation in the circuit. Additionally, the GP15G-E3/54 offers an extended operating temperature range (-65 to 175°C versus -55 to 150°C).

Q: Is the EGP20G-E3/54 suitable for applications designed for the FR154G A0G?

A: The EGP20G-E3/54 is rated for 2 A average rectified current, which exceeds the 1.5 A specification of the FR154G A0G. This component is mechanically and electrically compatible (same 400 V voltage rating and DO-204AC package) and provides additional current capacity. The EGP20G-E3/54 features the fastest reverse recovery time (50 ns) among the listed substitutes, making it suitable for high-frequency switching applications.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All substitute parts listed are supplied in DO-204AC (DO-15) axial through-hole packages with Cut Tape (CT) packaging. The FR154G A0G main part does not specify a packaging format in the provided data. All substitutes are mechanically compatible for through-hole PCB assembly.

Q: What is the difference between fast recovery and standard recovery diodes in this product class?

A: Fast recovery diodes have reverse recovery times of 500 ns or less, while standard recovery diodes exceed 500 ns. The FR154G A0G is classified as fast recovery (150 ns). Among substitutes, the 1N5617GP-E3/54 (150 ns) and EGP20G-E3/54 (50 ns) are fast recovery types. The 1N5060GP-E3/54 (2 µs) and GP15G-E3/54 (3.5 µs) are standard recovery types. Fast recovery characteristics are preferred in switching power supplies and high-frequency rectification circuits.

Q: Do all parts meet the same regulatory and compliance standards?

A: Yes. All parts listed, including the main FR154G A0G and all substitutes, are RoHS3 compliant, REACH Unaffected, and classified under ECCN EAR99. All components carry identical HTSUS code 8541.10.0080 and Moisture Sensitivity Level (MSL) 1 (Unlimited), ensuring regulatory equivalence for procurement, assembly, and export purposes.

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