RL203GP-TP Equivalent & Substitute Parts

Part Overview

The RL203GP-TP 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 DO-15 through-hole package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identification of equivalent substitute parts is necessary for applications requiring continued support, legacy system maintenance, or component procurement when original stock becomes unavailable.

Substiute Parts

RL203GP-TP

Micro Commercial CoIn Stock: 798RL203GP-TP Datasheet

Current PartRFQ

PR1503-T

Diodes IncorporatedIn Stock: 787PR1503-T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RL203GP-TP is determined by the following critical electrical and mechanical parameters:

Voltage Rating: The substitute part must maintain a DC reverse voltage rating of 200 V or greater to ensure safe operation within the original circuit design envelope.

Current Rating: The substitute part must support an average rectified current of 2 A or greater. Parts with lower current ratings (such as 1.5 A) operate at reduced current capacity and may not satisfy the original application requirements.

Package and Mounting: The substitute must use the DO-15 through-hole package in axial configuration to ensure mechanical and electrical compatibility with existing printed circuit board layouts and assembly processes.

Reverse Recovery Characteristics: The substitute may employ either standard recovery (>500 ns) or faster recovery technology (≤500 ns) without affecting functional compatibility, as both technologies satisfy rectification requirements in general-purpose applications.

Temperature Range: The substitute must support the operating temperature range of -55°C to 150°C or a range that encompasses this specification.

Compliance: The substitute must maintain ROHS3 compliance and REACH unaffected status to satisfy regulatory requirements.

Parameter Comparison

Engineering Selection Recommendations

PR1503-T Substitution Considerations:

The PR1503-T from Diodes Incorporated is electrically compatible with the RL203GP-TP for applications where the 1.5 A current rating is sufficient. Both parts share identical 200 V reverse voltage ratings, matching reverse leakage characteristics, and identical DO-15 through-hole packaging. The PR1503-T maintains ROHS3 compliance and active product status, ensuring continued availability and regulatory support.

The PR1503-T employs fast recovery technology (≤500 ns) compared to the standard recovery (>500 ns) of the RL203GP-TP. This faster recovery characteristic does not degrade performance in general-purpose rectification applications and may provide improved efficiency in switching circuits.

The PR1503-T operating temperature range extends to -65°C, providing a wider low-temperature specification than the RL203GP-TP at -55°C. This expanded range does not create incompatibility and may benefit applications requiring enhanced cold-temperature performance.

Current Rating Limitation:

The PR1503-T is rated for 1.5 A average rectified current, compared to the RL203GP-TP at 2 A. This 25% reduction in current capacity must be evaluated against actual circuit requirements. Applications operating at or near the 2 A specification of the original part may not be suitable for the PR1503-T substitute without circuit redesign or thermal management modifications.

Product Status:

The RL203GP-TP is designated "Not For New Designs," indicating obsolescence. The PR1503-T maintains "Active" product status, ensuring long-term availability, technical support, and continued compliance with evolving regulatory standards.

Frequently Asked Questions (FAQ)

Q: Can the PR1503-T directly replace the RL203GP-TP in all applications?

A: The PR1503-T is mechanically and electrically compatible for applications where the 1.5 A current rating meets circuit requirements. Applications requiring the full 2 A capacity of the RL203GP-TP require evaluation of actual current draw before substitution.

Q: What is the significance of the faster recovery time in the PR1503-T?

A: The PR1503-T employs fast recovery technology (≤500 ns) versus standard recovery (>500 ns) in the RL203GP-TP. In general-purpose rectification, faster recovery reduces switching losses and may improve efficiency. This characteristic does not create incompatibility and is generally beneficial.

Q: Are both parts available in the same package configuration?

A: Yes. Both the RL203GP-TP and PR1503-T use the DO-15 through-hole axial package (DO-204AC designation). Pin-to-pin compatibility and board layout compatibility are maintained.

Q: What compliance certifications apply to the PR1503-T?

A: The PR1503-T maintains ROHS3 compliance and REACH unaffected status, matching the regulatory certifications of the RL203GP-TP. Both parts satisfy current environmental and hazardous substance restrictions.

Q: Why is the RL203GP-TP marked "Not For New Designs"?

A: This designation indicates the part has reached end-of-life status and is no longer recommended for new product development. Existing inventory remains available for legacy system support and maintenance applications. The PR1503-T, with active product status, is the recommended path for new designs requiring equivalent functionality.

Q: How do the forward voltage characteristics compare?

A: The RL203GP-TP specifies 1 V forward voltage at 2 A, while the PR1503-T specifies 1.2 V at 1.5 A. These measurements occur at different operating points due to different current ratings. Direct comparison requires evaluation at identical current levels, which is not provided in the specifications.

Q: Is the wider operating temperature range of the PR1503-T a requirement for substitution?

A: No. The PR1503-T temperature range (-65°C to 150°C) encompasses the RL203GP-TP range (-55°C to 150°C). The wider range does not create incompatibility and provides additional margin for applications with extended temperature requirements.