Equivalent & Substitute Parts for PR3002G-T

Part Overview

The PR3002G-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 100 V DC reverse voltage and 3 A average rectified current in a DO-201AD axial through-hole package. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. 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	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 3 A	V @ A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 100 V
Mounting Type	Through Hole	-
Package / Case	DO-201AD, Axial	-
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the PR3002G-T is determined by the following critical parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 100 V
Current - Average Rectified (Io): 3 A
Mounting Type: Through Hole
Package / Case: DO-201AD, Axial

Acceptable Variation Parameters:

Voltage - Forward (Vf): Substitute parts may vary within the range of 1.0 V to 1.5 V @ 3 A
Reverse Recovery Time (trr): Substitute parts may be Fast Recovery (≤ 500ns) or Standard Recovery (> 500ns)
Current - Reverse Leakage @ Vr: Substitute parts may range from 1 µA to 10 µA @ 100 V
Operating Temperature - Junction: Substitute parts may extend to -65°C to 175°C
Product Status: Active or Not For New Designs acceptable; Obsolete status requires replacement

Substitute parts meeting these criteria maintain electrical and mechanical compatibility with the original PR3002G-T design while offering improved availability and compliance status.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	Speed	trr [ns]	Ir @ Vr [µA]	Package	Tj [°C]	Product Status	RoHS
PR3002G-T	Diodes Incorporated	100	3	1.3 @ 3A	Fast Recovery ≤ 500ns	150	5 @ 100V	DO-201AD	-65 to 150	Obsolete	ROHS3
RGP30B-E3/54	Vishay General Semiconductor	100	3	1.3 @ 3A	Fast Recovery ≤ 500ns	150	5 @ 100V	DO-201AD	-65 to 175	Active	ROHS3
1N5186	Microchip Technology	100	3	1.5 @ 9A	Fast Recovery ≤ 500ns	150	2 @ 100V	B, Axial	-65 to 175	Active	Non-compliant
1N5401-E3/54	Vishay General Semiconductor	100	3	1.2 @ 3A	Standard Recovery > 500ns	-	5 @ 100V	DO-201AD	-50 to 150	Active	ROHS3
1N5401-E3/73	Vishay General Semiconductor	100	3	1.2 @ 3A	Standard Recovery > 500ns	-	5 @ 100V	DO-201AD	-50 to 150	Active	ROHS3
1N5401G	Good-Ark Semiconductor	100	3	1.1 @ 3A	Standard Recovery > 500ns	-	5 @ 100V	DO-201AD	-55 to 150	Active	ROHS3
1N5401RLG	onsemi	100	3	1.0 @ 3A	Standard Recovery > 500ns	-	10 @ 100V	DO-201AA, DO-27, Axial	-65 to 150	Not For New Designs	ROHS3
1N5416	Microchip Technology	100	3	1.5 @ 9A	Fast Recovery ≤ 500ns	150	1 @ 100V	B, Axial	-65 to 175	Active	Non-compliant
1N5804	Solid State Inc.	100	2.5	0.875 @ 1A	Fast Recovery ≤ 500ns	25	1 @ 100V	DO-204AP, Axial	-65 to 175	Active	ROHS3
FR302GP-AP	Micro Commercial Co	100	3	1.3 @ 3A	Fast Recovery ≤ 500ns	150	5 @ 100V	DO-201AD	-55 to 150	Active	ROHS3
GI501-E3/54	Vishay General Semiconductor	100	3	1.1 @ 9.4A	Standard Recovery > 500ns	2000	5 @ 100V	DO-201AD	-50 to 150	Active	ROHS3

Engineering Selection Recommendations

Primary Substitute - Direct Replacement:

RGP30B-E3/54 (Vishay General Semiconductor) is the optimal substitute for the PR3002G-T. This part maintains identical electrical specifications including 100 V reverse voltage, 3 A average rectified current, 1.3 V forward voltage at 3 A, and 150 ns reverse recovery time. The RGP30B-E3/54 is packaged in DO-201AD axial configuration and carries Active product status with ROHS3 compliance. The extended operating temperature range (-65°C to 175°C) provides additional thermal margin compared to the original part.

Secondary Substitute - Fast Recovery Alternative:

FR302GP-AP (Micro Commercial Co) provides equivalent electrical performance with identical voltage, current, and recovery time specifications. This part is available in DO-201AD packaging with Active status and ROHS3 compliance. Operating temperature range is -55°C to 150°C, matching the lower bound of the original specification.

Alternative Substitute - Standard Recovery:

1N5401-E3/54 and 1N5401-E3/73 (Vishay General Semiconductor) are functionally compatible substitutes with standard recovery characteristics (> 500ns). Both parts maintain 100 V reverse voltage and 3 A current ratings in DO-201AD packaging with Active status and ROHS3 compliance. Forward voltage is reduced to 1.2 V at 3 A. These parts are suitable for applications where recovery speed is not critical.

Not Recommended:

1N5804 (Solid State Inc.) has reduced current rating (2.5 A) and different package (DO-204AP), making it unsuitable for direct replacement. 1N5186 and 1N5416 (Microchip Technology) are non-compliant with RoHS3 requirements. 1N5401RLG (onsemi) carries Not For New Designs status and uses DO-201AA/DO-27 packaging variants.

Frequently Asked Questions (FAQ)

Q: Can the RGP30B-E3/54 directly replace the PR3002G-T without circuit modification?

A: Yes. The RGP30B-E3/54 maintains all critical electrical parameters: 100 V reverse voltage, 3 A average rectified current, 1.3 V forward voltage at 3 A, and 150 ns reverse recovery time. Both parts use DO-201AD axial through-hole packaging. No circuit modifications are required.

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

A: Fast recovery diodes (PR3002G-T, RGP30B-E3/54, FR302GP-AP, 1N5186, 1N5416) have reverse recovery times of 150 ns or less. Standard recovery diodes (1N5401 variants, 1N5401G, GI501-E3/54) have reverse recovery times exceeding 500 ns. Fast recovery diodes are preferred in high-frequency switching applications; standard recovery diodes are suitable for line-frequency rectification.

Q: Why is the 1N5804 not recommended as a substitute?

A: The 1N5804 has a reduced current rating of 2.5 A compared to the required 3 A specification. Additionally, it uses DO-204AP packaging instead of DO-201AD, requiring different board layout and mechanical mounting. This part is not electrically or mechanically compatible.

Q: Are there RoHS compliance differences among the substitute parts?

A: Yes. RGP30B-E3/54, 1N5401-E3/54, 1N5401-E3/73, 1N5401G, 1N5401RLG, FR302GP-AP, and GI501-E3/54 are ROHS3 compliant. 1N5186 and 1N5416 are RoHS non-compliant. For applications requiring RoHS3 compliance, select from the compliant alternatives.

Q: What is the significance of product status (Active vs. Not For New Designs)?

A: Active status indicates the manufacturer continues production and supports the part for new designs. Not For New Designs status (1N5401RLG) indicates the manufacturer no longer recommends this part for new applications, though existing inventory may be available. For new designs, select parts with Active status.

Q: Can I use 1N5401-E3/54 in place of PR3002G-T if recovery speed is not critical?

A: Yes, provided the application does not require fast recovery characteristics. The 1N5401-E3/54 maintains 100 V reverse voltage, 3 A current rating, and DO-201AD packaging. Forward voltage is slightly lower at 1.2 V versus 1.3 V. Operating temperature range is -50°C to 150°C, which is narrower than the original -65°C to 150°C specification.

Q: What packaging variants are used among these substitute parts?

A: Most substitutes use DO-201AD axial packaging (RGP30B-E3/54, 1N5401 variants, 1N5401G, FR302GP-AP, GI501-E3/54). Microchip parts (1N5186, 1N5416) use B axial packaging. 1N5804 uses DO-204AP packaging. 1N5401RLG uses DO-201AA/DO-27 variants. Verify package compatibility with board layout before selection.

Q: Which substitute offers the lowest forward voltage drop?

A: 1N5401RLG has the lowest forward voltage at 1.0 V @ 3 A. However, this part carries Not For New Designs status. Among Active parts, 1N5401G and GI501-E3/54 offer 1.1 V forward voltage, providing improved efficiency compared to the original 1.3 V specification.

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