PR2004G-T Equivalent & Substitute Parts

Part Overview

The PR2004G-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 component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The diode 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	1.3 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 PR2004G-T is determined by matching the following critical electrical parameters: 400 V maximum DC reverse voltage, 2 A average rectified current, and through-hole mounting configuration. All substitute parts listed maintain these core specifications. Secondary parameters including forward voltage drop, reverse recovery time, and operating temperature range are provided for detailed circuit analysis but do not restrict substitution eligibility when primary parameters align.

Substitute parts are grouped into two categories:

Manufacturer Recommended Substitutes: Parts with active product status and full electrical parameter alignment, including FR204GP-AP, GPP20G-E3/54, MUR240RLG, and SF26G-TP.

Parametric Equivalents: Parts meeting core electrical requirements with minor variations in secondary characteristics or package configuration.

Parameter Comparison

Parameter	PR2004G-T (Diodes Inc.)	FR204GP-AP (Micro Commercial)	GPP20G-E3/54 (Vishay)	MUR240G (onsemi)	MUR240RLG (onsemi)	SF26G-TP (Micro Commercial)
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	400 V	400 V	400 V	400 V
Current - Average Rectified (Io)	2 A	2 A	2 A	2 A	2 A	2 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A	1.3 V @ 2 A	1.1 V @ 2 A	1.3 V @ 2 A	1.3 V @ 2 A	1.3 V @ 2 A
Speed Classification	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Standard Recovery >500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns
Reverse Recovery Time (trr)	150 ns	150 ns	Not specified	65 ns	65 ns	35 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	5 µA @ 400 V
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AC, DO-15	DO-204AC, DO-15	DO-204AC, DO-15	DO-204AL, DO-41	DO-204AL, DO-41	DO-204AC, DO-15
Operating Temperature - Junction	-65°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 150°C
Product Status	Obsolete	Active	Active	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Pin-Compatible Replacement (DO-15 Package):

FR204GP-AP, GPP20G-E3/54, and SF26G-TP are direct mechanical and electrical substitutes for the PR2004G-T in DO-15 package configurations. FR204GP-AP and SF26G-TP maintain identical forward voltage characteristics (1.3 V @ 2 A) and fast recovery speed classification. GPP20G-E3/54 offers lower forward voltage (1.1 V @ 2 A) with standard recovery speed, suitable for applications where reduced power dissipation is beneficial. All three parts carry active product status and ROHS3 compliance.

For Axial Package Configurations (DO-41):

MUR240RLG is the preferred active substitute when axial package geometry is required. This part maintains 400 V / 2 A ratings with fast recovery characteristics and operates across -65°C to 175°C, providing extended temperature range coverage. MUR240RLG is available in high inventory quantities (10,400 pcs) and carries active product status. MUR240G is an obsolete alternative with identical electrical specifications but limited procurement viability.

Compliance and Regulatory Considerations:

All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original PR2004G-T. Moisture sensitivity level is classified as 1 (Unlimited) for all parts except MUR240RLG, which is not applicable due to cut tape packaging.

Frequently Asked Questions (FAQ)

Q: Can FR204GP-AP be used as a direct replacement for PR2004G-T?

A: Yes. FR204GP-AP matches the PR2004G-T in voltage rating (400 V), current rating (2 A), forward voltage (1.3 V @ 2 A), and DO-15 package configuration. The operating temperature range of FR204GP-AP (-55°C to 150°C) is narrower than the original part (-65°C to 150°C), which must be evaluated against application requirements.

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

A: DO-15 (DO-204AC) and DO-41 (DO-204AL) are both axial through-hole packages with different physical dimensions. DO-15 is more compact, while DO-41 is larger. MUR240RLG and MUR240G use DO-41 packaging and are not mechanically interchangeable with DO-15 packages without board redesign.

Q: Why does GPP20G-E3/54 have lower forward voltage (1.1 V) compared to other substitutes?

A: Forward voltage variation is a normal characteristic difference between diode designs from different manufacturers. The 1.1 V specification for GPP20G-E3/54 results in lower power dissipation during operation. This part is electrically compatible with the PR2004G-T for all circuit applications.

Q: Is MUR240RLG suitable for applications requiring fast recovery characteristics?

A: Yes. MUR240RLG is classified as fast recovery with a reverse recovery time of 65 ns, which is faster than the PR2004G-T (150 ns). This characteristic makes MUR240RLG suitable for high-frequency switching applications and is fully compatible with circuits designed for the original part.

Q: What inventory considerations apply to these substitutes?

A: MUR240RLG has the highest inventory availability (10,400 pcs), followed by GPP20G-E3/54 (1,095 pcs), SF26G-TP (965 pcs), and FR204GP-AP (767 pcs). Inventory levels should be verified at the time of procurement as quantities change.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (FR204GP-AP, GPP20G-E3/54, MUR240G, MUR240RLG, and SF26G-TP) are ROHS3 compliant, matching the regulatory status of the PR2004G-T.

Q: Can SF26G-TP be used in high-frequency applications?

A: Yes. SF26G-TP has the fastest reverse recovery time (35 ns) among all listed substitutes, making it particularly suitable for high-frequency switching circuits. It maintains all core electrical parameters of the PR2004G-T and is available in active product status.

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