RL205 General Purpose Rectifier Diode Equivalent & Substitute Parts

Part Overview

The RL205 is a general-purpose rectifier diode rated for 600 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole package. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity. The RL205 employs standard recovery technology suitable for general rectification applications across industrial and commercial equipment.

Substiute Parts

RL205

SMC Diode SolutionsIn Stock: 10920RL205 Datasheet

Current PartRFQ

RL205G

SMC Diode SolutionsIn Stock: 792RL205G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RL205 is determined by electrical and mechanical parameter equivalence within the following criteria:

Mandatory Matching Parameters:

• Voltage - DC Reverse (Vr) (Max): 600 V
• Current - Average Rectified (Io): 2 A
• Mounting Type: Through Hole
• Package / Case: DO-15 (DO-204AC, Axial)

Allowable Parameter Variance:

• Voltage - Forward (Vf) (Max) @ If: Within 0.1 V tolerance at rated current
• Current - Reverse Leakage @ Vr: Equal or lower
• Operating Temperature - Junction: Equal or extended range
• Speed: Standard Recovery classification maintained

The RL205G qualifies as a direct substitute based on identical voltage and current ratings, matching package configuration, and compatible thermal and leakage specifications.

Parameter Comparison

Engineering Selection Recommendations

RL205G Selection Basis:

The RL205G is the active production equivalent of the obsolete RL205. Both components share identical electrical ratings for voltage, current, and leakage specifications. The RL205G provides an extended operating temperature range (-65°C to 175°C versus -65°C to 125°C), offering improved thermal margin for applications subject to elevated ambient or junction temperatures.

The RL205G carries RoHS3 compliance and REACH Affected status, reflecting current regulatory requirements for component manufacturing and distribution. The forward voltage specification of the RL205G (1.1 V @ 2 A) represents a 0.1 V increase relative to the RL205 (1.0 V @ 2 A), which remains within acceptable tolerance for general-purpose rectification circuits and does not introduce functional incompatibility.

Current inventory status indicates 731 units of RL205G available, supporting immediate procurement for new designs and legacy system support.

Frequently Asked Questions (FAQ)

Q: Can the RL205G directly replace the RL205 in existing circuit designs?

A: Yes. The RL205G maintains identical voltage and current ratings, matching package configuration, and equivalent leakage characteristics. The 0.1 V increase in forward voltage does not affect circuit functionality in standard rectification applications.

Q: What is the significance of the extended operating temperature range in the RL205G?

A: The RL205G supports junction temperatures up to 175°C compared to 125°C for the RL205. This extended range provides additional thermal margin and may improve reliability in applications with elevated ambient temperatures or high-frequency switching conditions.

Q: Are there compliance differences between the RL205 and RL205G?

A: Yes. The RL205G is RoHS3 compliant and REACH Affected, reflecting current environmental and regulatory standards. The RL205 carries no specified RoHS status. Both components are classified as EAR99 for export control purposes.

Q: Does the DO-15 package remain unchanged between the two parts?

A: Yes. Both the RL205 and RL205G use the DO-204AC (DO-15) axial through-hole package. No PCB layout or mechanical modifications are required for substitution.

Q: What is the moisture sensitivity level for both parts?

A: Both the RL205 and RL205G carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity and no special storage or handling requirements.

Q: How do the reverse leakage specifications compare?

A: Both parts specify 5 µA maximum reverse leakage at 600 V, ensuring equivalent performance in high-impedance circuit paths and reverse-biased conditions.