FR203G A0G Equivalent & Substitute Parts

Part Overview

The FR203G A0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 200 V DC reverse voltage and 2 A average rectified current in a DO-204AC (DO-15) through-hole axial package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or specific application requirements within the allowed parameter ranges.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A	V
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Package / Case	DO-204AC, DO-15, Axial	-
Mounting Type	Through Hole	-
Operating Temperature - Junction	-55°C ~ 150°C	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the FR203G A0G are grouped based on strict electrical and mechanical compatibility criteria. All substitute diodes must meet the following mandatory parameters:

Primary Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): 200 V (exact match required)
Package / Case: DO-204AC, DO-15, Axial (exact match required)
Mounting Type: Through Hole (exact match required)
RoHS Status: ROHS3 Compliant (compliance requirement)

Secondary Compatibility Criteria:

Current - Average Rectified (Io): Equal to or greater than 2 A
Voltage - Forward (Vf) (Max) @ If: Within acceptable operating range
Speed: Fast Recovery ≤ 500ns, > 200mA (Io) or Standard Recovery
Reverse Recovery Time (trr): Specified value
Current - Reverse Leakage @ Vr: Specified value
Operating Temperature - Junction: Must encompass or exceed -55°C ~ 150°C range

Substitutes are classified into two categories:

Category A - Direct Equivalents (2 A Current Rating): Parts with identical 2 A current rating and fast recovery characteristics matching the FR203G A0G specification.

Category B - Reduced Current Substitutes (1 A to 1.5 A Current Rating): Parts with lower current ratings suitable for applications requiring less than 2 A average rectified current, maintaining 200 V reverse voltage rating and DO-204AC package compatibility.

Parameter Comparison

Parameter	FR203G A0G	EGP20D-E3/73	EGP20D-E3/54	1N5393GP-E3/54	1N5615GP-E3/54	1N5059GP-E3/54	GP15D-E3/54
Manufacturer	Taiwan Semiconductor Corporation	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	2 A	2 A	2 A	1.5 A	1 A	1 A	1.5 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A	950 mV @ 2 A	950 mV @ 2 A	1.4 V @ 1.5 A	1.2 V @ 1 A	1.2 V @ 1 A	1.1 V @ 1.5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)
Reverse Recovery Time (trr)	150 ns	50 ns	50 ns	2 µs	150 ns	2 µs	3.5 µs
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V	500 nA @ 200 V	5 µA @ 200 V	5 µA @ 200 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	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Operating Temperature - Junction	-55°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Equivalent Substitutes (2 A Rating):

The EGP20D-E3/73 and EGP20D-E3/54 are direct electrical equivalents to the FR203G A0G, both rated for 200 V reverse voltage and 2 A average rectified current in DO-204AC through-hole packages. Both parts are manufactured by Vishay General Semiconductor, carry Active product status, and are ROHS3 compliant. The EGP20D-E3/73 variant has higher inventory availability (3900 pcs) compared to EGP20D-E3/54 (1120 pcs). Both exhibit superior reverse recovery time (50 ns versus 150 ns) and lower forward voltage drop (950 mV versus 1.3 V at 2 A), resulting in improved switching performance and reduced power dissipation. Operating temperature range extends to -65°C minimum, providing broader thermal coverage than the FR203G A0G.

Reduced Current Substitutes (1.5 A Rating):

The 1N5393GP-E3/54 and GP15D-E3/54 are rated for 1.5 A average rectified current at 200 V reverse voltage in DO-204AC packages. Both are Active status, ROHS3 compliant parts from Vishay General Semiconductor. These substitutes are suitable for applications where the full 2 A capability is not required. The 1N5393GP-E3/54 exhibits standard recovery characteristics (2 µs trr), while GP15D-E3/54 has extended recovery time (3.5 µs trr). Both provide extended operating temperature range to -65°C minimum and 175°C maximum.

Reduced Current Substitutes (1 A Rating):

The 1N5615GP-E3/54 and 1N5059GP-E3/54 are rated for 1 A average rectified current at 200 V reverse voltage in DO-204AC packages. Both are Active status, ROHS3 compliant Vishay General Semiconductor products. The 1N5615GP-E3/54 features fast recovery characteristics (150 ns trr) matching the FR203G A0G, with significantly lower reverse leakage current (500 nA versus 5 µA). The 1N5059GP-E3/54 exhibits standard recovery characteristics (2 µs trr). Both provide extended operating temperature range to -65°C minimum and 175°C maximum. The 1N5615GP-E3/54 offers the highest inventory availability among 1 A options (11294 pcs).

Frequently Asked Questions (FAQ)

Q: Can the EGP20D-E3/73 directly replace the FR203G A0G in all applications?

A: The EGP20D-E3/73 is electrically compatible as a direct substitute, matching the 200 V reverse voltage and 2 A current rating in the same DO-204AC through-hole package. Both parts are ROHS3 compliant and Active status. The EGP20D-E3/73 provides superior performance characteristics with lower forward voltage drop and faster reverse recovery time. Mechanical fit is identical due to matching package specifications.

Q: What is the difference between the EGP20D-E3/73 and EGP20D-E3/54 variants?

A: Both EGP20D-E3/73 and EGP20D-E3/54 are electrically identical, rated for 200 V reverse voltage and 2 A average rectified current with identical fast recovery characteristics (50 ns trr) and forward voltage specifications (950 mV @ 2 A). The designation suffix indicates different packaging or tape reel configurations. The EGP20D-E3/73 has higher inventory availability (3900 pcs versus 1120 pcs).

Q: Can I use a 1.5 A rated diode in place of the 2 A FR203G A0G?

A: A 1.5 A rated substitute such as 1N5393GP-E3/54 or GP15D-E3/54 is suitable only for applications where the average rectified current does not exceed 1.5 A. Both parts maintain the 200 V reverse voltage rating and DO-204AC package compatibility. This substitution reduces current capacity and is not appropriate for circuits designed to operate at the full 2 A specification.

Q: What are the key electrical differences between fast recovery and standard recovery diodes in this product category?

A: Fast recovery diodes (≤ 500 ns trr) such as FR203G A0G, EGP20D-E3/73, and 1N5615GP-E3/54 exhibit shorter reverse recovery time, enabling faster switching transitions and reduced switching losses. Standard recovery diodes (> 500 ns trr) such as 1N5059GP-E3/54 and GP15D-E3/54 have longer recovery times, suitable for lower frequency applications. Both types maintain identical 200 V reverse voltage and DO-204AC package specifications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all substitute parts listed (EGP20D-E3/73, EGP20D-E3/54, 1N5393GP-E3/54, 1N5615GP-E3/54, 1N5059GP-E3/54, and GP15D-E3/54) are ROHS3 compliant, matching the FR203G A0G compliance status. All parts are also REACH unaffected and classified under ECCN EAR99.

Q: What is the significance of the 1N5615GP-E3/54 having 500 nA reverse leakage current versus 5 µA in other parts?

A: The 1N5615GP-E3/54 exhibits significantly lower reverse leakage current (500 nA @ 200 V) compared to the FR203G A0G and most other substitutes (5 µA @ 200 V). Lower reverse leakage reduces standby power consumption and heat generation in circuits with sustained reverse bias conditions. This characteristic is particularly beneficial in precision rectification and low-power applications.

Q: Do all substitute parts fit the same through-hole PCB footprint as the FR203G A0G?

A: Yes, all substitute parts use the DO-204AC (DO-15) axial through-hole package with identical mechanical dimensions and pin spacing. All parts are mounted as through-hole components with axial lead configuration, ensuring direct PCB footprint compatibility with the FR203G A0G.

Q: What is the operating temperature range difference between the FR203G A0G and substitute parts?

A: The FR203G A0G operates from -55°C to 150°C junction temperature. Most substitute parts extend the minimum operating temperature to -65°C and maximum to 175°C (EGP20D variants maintain 150°C maximum). The extended temperature range of substitute parts provides broader thermal operating envelope for demanding applications.

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