PR2004-T Equivalent & Substitute Parts

Part Overview

The PR2004-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 400 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The PR2004-T features fast recovery characteristics with a reverse recovery time of 150 ns and operates across a junction temperature range of -65°C to 150°C.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	400 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 2 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	150 ns
Current - Reverse Leakage @ Vr	5 µA @ 400 V
Mounting Type	Through Hole
Package / Case	DO-204AC, DO-15, Axial
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the PR2004-T is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 400 V minimum
Current - Average Rectified (Io): 2 A minimum
Mounting Type: Through Hole
Package / Case: DO-15 or DO-204AC compatible form factors

Secondary Compatibility Factors:

Reverse Recovery Time (trr): Fast recovery classification (≤ 500ns, > 200mA)
Current - Reverse Leakage @ Vr: 5 µA @ 400 V maximum
RoHS3 Compliance: Required for regulatory alignment
Operating Temperature Range: Minimum -65°C to 150°C

Substitute parts are grouped into two categories based on package configuration: DO-204AC (DO-15) axial packages and alternative axial formats. All listed substitutes meet or exceed the electrical specifications of the PR2004-T while maintaining through-hole mounting compatibility.

Parameter Comparison

Parameter	PR2004-T (Main)	RGP15G-E3/54	GPP20G-E3/54	MUR240G	MUR240RLG
Manufacturer	Diodes Incorporated	Vishay General Semiconductor	Vishay General Semiconductor	onsemi	onsemi
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	400 V	400 V	400 V
Current - Average Rectified (Io)	2 A	1.5 A	2 A	2 A	2 A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 2 A	1.3 V @ 1.5 A	1.1 V @ 2 A	1.3 V @ 2 A	1.3 V @ 2 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Standard Recovery >500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr)	150 ns	150 ns	Not specified	65 ns	65 ns
Current - Reverse Leakage @ Vr	5 µA @ 400 V	5 µA @ 400 V	5 µA @ 400 V	5 µA @ 400 V	5 µA @ 400 V
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial
Operating Temperature - Junction	-65°C ~ 150°C	-65°C ~ 175°C	-55°C ~ 150°C	-65°C ~ 175°C	-65°C ~ 175°C
Product Status	Obsolete	Active	Active	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: MUR240RLG

The MUR240RLG is the recommended substitute for the PR2004-T. This part is manufactured by onsemi and maintains active product status, ensuring long-term availability and supply chain stability. The MUR240RLG meets all critical electrical parameters: 400 V reverse voltage rating, 2 A average rectified current, and fast recovery characteristics with a 65 ns reverse recovery time. The part is ROHS3 compliant and operates across -65°C to 175°C, providing extended temperature coverage compared to the PR2004-T. Current inventory of 10,400 pieces supports immediate procurement requirements.

Secondary Substitute: GPP20G-E3/54

The GPP20G-E3/54, manufactured by Vishay General Semiconductor, provides an alternative substitute with identical 400 V and 2 A ratings. This part is actively produced and ROHS3 compliant. The forward voltage of 1.1 V @ 2 A is lower than the PR2004-T, offering improved efficiency characteristics. However, the operating temperature range is limited to -55°C to 150°C, matching the lower bound of the PR2004-T. This part is suitable for applications where the reduced temperature range is acceptable.

Tertiary Substitute: RGP15G-E3/54

The RGP15G-E3/54, also from Vishay General Semiconductor, is an active product with extended temperature range (-65°C to 175°C) and identical reverse recovery time (150 ns) to the PR2004-T. However, the current rating is reduced to 1.5 A, making this substitute suitable only for applications where the load current does not exceed 1.5 A. This part is appropriate for designs with lower current requirements or as a conservative selection for thermal margin.

Obsolete Alternative: MUR240G

The MUR240G, manufactured by onsemi, is classified as obsolete and should be avoided for new designs despite meeting electrical specifications. While this part provides identical 400 V and 2 A ratings with superior fast recovery characteristics (65 ns), its obsolete status creates supply chain risk and limits long-term availability.

Frequently Asked Questions (FAQ)

Q: Can the RGP15G-E3/54 be used as a direct replacement for the PR2004-T?

A: The RGP15G-E3/54 is electrically compatible with the PR2004-T in terms of voltage rating and package form factor. However, the current rating is reduced from 2 A to 1.5 A. This substitute is suitable only for applications where the average rectified current does not exceed 1.5 A. Verify circuit current requirements before selection.

Q: What is the difference between the MUR240RLG and MUR240G?

A: Both parts are manufactured by onsemi with identical electrical specifications: 400 V reverse voltage, 2 A current rating, and 65 ns reverse recovery time. The primary difference is product status: MUR240RLG is active with 10,400 pieces in stock, while MUR240G is obsolete with limited availability. The MUR240RLG is the preferred selection for new designs and ongoing production.

Q: Are the DO-204AC and DO-15 packages physically interchangeable?

A: Yes. DO-204AC and DO-15 designations refer to the same physical package format: an axial through-hole diode package. These designations are used interchangeably by different manufacturers and distributors. All substitute parts listed maintain compatibility with through-hole PCB layouts designed for the PR2004-T.

Q: Does the GPP20G-E3/54 have a lower forward voltage than the PR2004-T?

A: Yes. The GPP20G-E3/54 specifies a maximum forward voltage of 1.1 V @ 2 A, compared to 1.2 V @ 2 A for the PR2004-T. This 0.1 V reduction results in lower power dissipation and improved circuit efficiency. This characteristic makes the GPP20G-E3/54 advantageous for power-sensitive applications.

Q: What is the significance of the reverse recovery time (trr) difference between parts?

A: The MUR240RLG and MUR240G feature a 65 ns reverse recovery time, compared to 150 ns for the PR2004-T and RGP15G-E3/54. Faster recovery time reduces switching losses and electromagnetic interference in high-frequency applications. For low-frequency rectification circuits, this difference has minimal impact on performance.

Q: Can I use the GPP20G-E3/54 in applications requiring the full -65°C to 150°C temperature range?

A: The GPP20G-E3/54 operates from -55°C to 150°C, which does not cover the full lower temperature range of the PR2004-T (-65°C). If your application requires operation below -55°C, select the MUR240RLG or RGP15G-E3/54, both of which support -65°C minimum junction temperature.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed—RGP15G-E3/54, GPP20G-E3/54, MUR240G, and MUR240RLG—are ROHS3 compliant, matching the compliance status of the PR2004-T. This ensures regulatory alignment for applications subject to ROHS3 requirements.

Q: What packaging formats are available for the substitute parts?

A: The RGP15G-E3/54 and GPP20G-E3/54 are supplied in Cut Tape (CT) and Tape & Reel (TR) formats respectively. The MUR240RLG is supplied in Cut Tape (CT) format. The MUR240G is supplied in Bulk format. Verify packaging requirements for your procurement and assembly processes before final part selection.

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