FR203GP-AP Equivalent & Substitute Parts

Part Overview

The FR203GP-AP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 200 V DC reverse voltage and 2 A average rectified current in a through-hole DO-15 package. This component is classified as Active product status and complies with RoHS3 and REACH standards. Substitute parts are identified when equivalent electrical ratings, mechanical compatibility, and performance characteristics align with the original specification, enabling direct replacement in circuit applications without design modification.

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
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Mounting Type	Through Hole	—
Package / Case	DO-204AC, DO-15, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the FR203GP-AP are identified based on strict equivalence of the following critical parameters:

Voltage Rating: DC reverse voltage of 200 V maximum
Current Rating: Average rectified current of 2 A
Package Type: Through-hole axial configuration (DO-15 / DO-204AC)
Mounting Technology: Through-hole assembly compatibility
Regulatory Compliance: RoHS3 and REACH status alignment
Operating Temperature Range: -55°C to 150°C junction temperature

The HER203G A0G from Taiwan Semiconductor Corporation meets all substitution criteria. Both diodes share identical voltage and current ratings, compatible package designations, equivalent thermal operating ranges, and matching regulatory certifications. Differences in forward voltage drop (1.0 V vs. 1.3 V) and reverse recovery time (50 ns vs. 150 ns) represent performance improvements in the substitute part and do not prevent functional equivalence.

Parameter Comparison

Parameter	FR203GP-AP (Micro Commercial Co)	HER203G A0G (Taiwan Semiconductor Corporation)	Match Status
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	Equivalent
Current - Average Rectified (Io)	2 A	2 A	Equivalent
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A	1.0 V @ 2 A	Compatible (Lower Vf in substitute)
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Equivalent
Reverse Recovery Time (trr)	150 ns	50 ns	Compatible (Faster recovery in substitute)
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	Equivalent
Capacitance @ Vr, F	40 pF @ 4 V, 1 MHz	35 pF @ 4 V, 1 MHz	Compatible (Lower capacitance in substitute)
Mounting Type	Through Hole	Through Hole	Equivalent
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	Equivalent
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent

Engineering Selection Recommendations

Both the FR203GP-AP and HER203G A0G are Active product status components with full RoHS3 compliance and REACH unaffected status, qualifying them for use in regulated applications. The FR203GP-AP is available with 1120 pieces in stock, while the HER203G A0G offers higher inventory availability at 8349 pieces. Selection between these parts depends on supply chain requirements and packaging format preference: the FR203GP-AP is supplied in standard packaging, while the HER203G A0G is available in cut tape format. Both components operate within identical voltage, current, and temperature specifications, ensuring functional interchangeability in circuit designs rated for 200 V, 2 A rectification applications.

Frequently Asked Questions (FAQ)

Q: Can the HER203G A0G directly replace the FR203GP-AP in existing circuit designs?

A: Yes. Both diodes share identical voltage ratings (200 V), current ratings (2 A), package types (DO-15/DO-204AC through-hole axial), and operating temperature ranges (-55°C to 150°C). The HER203G A0G exhibits lower forward voltage drop and faster reverse recovery time, which represent performance improvements and do not compromise compatibility.

Q: What is the significance of the difference in reverse recovery time between these parts?

A: The FR203GP-AP has a reverse recovery time of 150 ns, while the HER203G A0G has 50 ns. Both are classified as fast recovery diodes. The faster recovery in the substitute part reduces switching losses and improves efficiency in high-frequency applications, with no negative impact on circuit operation.

Q: Are there packaging differences between FR203GP-AP and HER203G A0G?

A: Both parts use DO-15 / DO-204AC axial through-hole packages with identical mechanical dimensions and pin configurations. The FR203GP-AP is supplied in standard packaging, while the HER203G A0G is available in cut tape format. This difference affects handling and assembly processes but does not alter electrical or mechanical compatibility.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the FR203GP-AP and HER203G A0G are RoHS3 compliant and REACH unaffected, meeting identical regulatory standards for restricted substance use and environmental compliance.

Q: What is the impact of the lower forward voltage in the HER203G A0G?

A: The HER203G A0G has a maximum forward voltage of 1.0 V at 2 A compared to 1.3 V for the FR203GP-AP. Lower forward voltage reduces power dissipation and heat generation during conduction, improving overall circuit efficiency without affecting functional compatibility.

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