RL205-T Equivalent & Substitute Parts

Part Overview

The RL205-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 600 V DC reverse voltage and 2 A average rectified current in a DO-15 axial through-hole package. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating different package formats and manufacturing sources.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1 V @ 2 A	V @ A
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Operating Temperature - Junction	-65°C ~ 150°C	°C
Mounting Type	Through Hole	-
Package / Case	DO-204AC, DO-15, Axial	-
Technology	Standard	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the RL205-T are grouped based on strict electrical and mechanical compatibility criteria. All substitute parts must satisfy the following requirements:

Mandatory Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Current - Average Rectified (Io): 2 A minimum
Voltage - Forward (Vf) (Max) @ If: Must not exceed 1.7 V @ 2 A
Current - Reverse Leakage @ Vr: Must not exceed 5 µA @ 600 V
Operating Temperature - Junction: Must support -55°C to 150°C minimum range

Mechanical Compatibility:

Mounting Type: Through Hole (required)
Package / Case: DO-15 axial or equivalent axial format (DO-41, SOD-57)

Compliance Requirements:

RoHS3 Compliant
REACH Unaffected
ECCN: EAR99

Substitutes are divided into two categories: direct package equivalents (DO-15 format) and alternative axial packages (DO-41, SOD-57) that maintain electrical specifications and through-hole mounting compatibility.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) @ If	Reverse Leakage @ Vr	Package	Product Status	Tj (°C)
RL205-T	Diodes Incorporated	600	2	1 V @ 2 A	5 µA @ 600 V	DO-15	Obsolete	-65 ~ 150
RL205GP-BP	Micro Commercial Co	600	2	1 V @ 2 A	5 µA @ 600 V	DO-15	Active	-55 ~ 150
RL205GP-TP	Micro Commercial Co	600	2	1 V @ 2 A	5 µA @ 600 V	DO-15	Active	-55 ~ 150
RL205GP-AP	Micro Commercial Co	600	2	1 V @ 2 A	5 µA @ 600 V	DO-15	Active	-55 ~ 150
EGP20J	Fairchild Semiconductor	600	2	1.7 V @ 2 A	5 µA @ 600 V	DO-15	Active	-65 ~ 150
MUR260RLG	onsemi	600	2	1.35 V @ 2 A	5 µA @ 600 V	DO-41	Active	-65 ~ 175
MUR260G	onsemi	600	2	1.35 V @ 2 A	5 µA @ 600 V	DO-41	Obsolete	-65 ~ 175
BYW54-TR	Vishay General Semiconductor - Diodes Division	600	2	1 V @ 1 A	1 µA @ 1000 V	SOD-57	Active	-55 ~ 175
BYW36-TR	Vishay General Semiconductor - Diodes Division	600	2	1.1 V @ 1 A	5 µA @ 600 V	SOD-57	Active	-55 ~ 175

Engineering Selection Recommendations

Direct Package Equivalents (DO-15 Format):

The RL205GP series from Micro Commercial Co (RL205GP-BP, RL205GP-TP, RL205GP-AP) provides direct electrical and mechanical equivalence to the RL205-T. These parts are active products with identical voltage, current, and forward voltage specifications. Selection among these variants depends on packaging format requirements: RL205GP-BP (Bulk), RL205GP-TP (Tape & Reel), and RL205GP-AP (Tape & Box). All three are RoHS3 compliant and REACH unaffected.

The EGP20J from Fairchild Semiconductor maintains DO-15 package compatibility and meets all electrical requirements, with forward voltage specification of 1.7 V @ 2 A. This part is active and RoHS3 compliant.

Alternative Axial Packages (DO-41 Format):

The MUR260RLG from onsemi (SWITCHMODE™ series) is an active product offering equivalent electrical performance in DO-41 axial format. This part supports an extended operating temperature range (-65°C to 175°C) and is available in Cut Tape packaging with high inventory availability (80,300 pcs). The MUR260G variant is obsolete and should not be selected for new designs.

Alternative Axial Packages (SOD-57 Format):

The BYW54-TR from Vishay General Semiconductor - Diodes Division is an active product in SOD-57 axial format with equivalent voltage and current ratings. This part features standard recovery characteristics and is RoHS3 compliant.

The BYW36-TR from Vishay General Semiconductor - Diodes Division is an active avalanche diode in SOD-57 format with fast recovery characteristics (200 ns) and extended temperature range (-55°C to 175°C). This part is RoHS3 compliant.

Product Status Consideration:

For new designs and long-term procurement, select only active products. The RL205GP series, EGP20J, MUR260RLG, BYW54-TR, and BYW36-TR are all active products suitable for ongoing production use.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RL205-T with any of the listed parts?

A: Substitution depends on your specific application requirements and package constraints. All listed parts meet the core electrical specifications (600 V, 2 A). However, package format differs: RL205GP series and EGP20J maintain DO-15 format; MUR260RLG uses DO-41 format; BYW54-TR and BYW36-TR use SOD-57 format. Verify your PCB layout and mechanical mounting requirements before selection.

Q: What is the difference between DO-15 and DO-41 packages?

A: Both are axial through-hole packages with identical electrical compatibility for this application. DO-15 (DO-204AC) and DO-41 (DO-204AL) differ in physical dimensions and lead spacing. DO-15 is more compact; DO-41 is larger. PCB layout and mechanical clearance determine which format is suitable for your design.

Q: Why are some substitute parts listed as obsolete?

A: Obsolete parts (RL205-T, MUR260G) are no longer manufactured and should not be selected for new designs. Active alternatives are available with equivalent or superior specifications. Use active products (RL205GP series, MUR260RLG, BYW54-TR, BYW36-TR, EGP20J) for ongoing production.

Q: What does RoHS3 compliance mean?

A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. All listed substitute parts are RoHS3 compliant, ensuring regulatory compliance for EU and similar markets.

Q: Can I use BYW54-TR or BYW36-TR as direct replacements?

A: BYW54-TR and BYW36-TR are electrically compatible but use SOD-57 package format instead of DO-15. They are suitable only if your PCB layout accommodates SOD-57 lead spacing and mechanical dimensions. Verify package compatibility before substitution.

Q: What is the difference between standard recovery and fast recovery diodes?

A: Recovery speed refers to reverse recovery time (trr). Standard recovery diodes (RL205-T, RL205GP series, BYW54-TR) have trr >500 ns. Fast recovery diodes (EGP20J, MUR260RLG, BYW36-TR) have trr ≤500 ns. Fast recovery reduces switching losses in high-frequency applications but is not required for all circuits. Verify your application's switching frequency requirements.

Q: Are there packaging format options for the RL205GP series?

A: Yes. RL205GP-BP is supplied in Bulk format; RL205GP-TP is supplied in Tape & Reel format; RL205GP-AP is supplied in Tape & Box format. All three variants have identical electrical specifications. Select based on your procurement and assembly process requirements.

Q: What is the operating temperature range difference between parts?

A: The RL205-T operates from -65°C to 150°C. Most RL205GP variants operate from -55°C to 150°C (narrower low-temperature range). MUR260RLG and BYW series extend to 175°C maximum. Verify your application's temperature requirements; if operation below -55°C is required, select parts with -65°C minimum rating.

Q: Is inventory availability a factor in part selection?

A: Inventory levels are provided for reference. MUR260RLG has the highest availability (80,300 pcs), while RL205GP-AP has lower availability (876 pcs). For high-volume production, verify current inventory with your supplier before committing to a specific part number.

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