PR1004GL-T Equivalent & Substitute Parts

Part Overview

The PR1004GL-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 400 V DC reverse voltage and 1 A average rectified current in a through-hole DO-41 package. This part is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and procurement continuity. Active alternatives with identical or superior electrical characteristics are available from multiple manufacturers, enabling seamless integration into existing applications.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	400 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	150 ns
Current - Reverse Leakage @ Vr	5 µA @ 400 V
Capacitance @ Vr, F	15 pF @ 4V, 1MHz
Mounting Type	Through Hole
Package / Case	DO-204AL, DO-41, Axial
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the PR1004GL-T is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 400 V
Current - Average Rectified (Io): 1 A
Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, or Axial variants

Performance Parameters (Fast Recovery Classification):

Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr): 150 ns or faster
Voltage - Forward (Vf) (Max) @ If: 1.3 V @ 1 A or lower
Current - Reverse Leakage @ Vr: 5 µA @ 400 V or lower

Compliance Parameters:

RoHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are categorized as follows:

Direct Manufacturer Equivalents (Diodes Incorporated): Parts with identical electrical specifications and same manufacturer, differing only in packaging format or product status transition.

Parametric Equivalents (Diodes Incorporated): Parts with superior or equivalent performance characteristics, including improved reverse recovery time or capacitance specifications.

Cross-Manufacturer Direct Equivalents (Vishay, Fairchild, Micro Commercial Co): Parts from alternative manufacturers meeting all mandatory and performance parameters with active product status.

Manufacturer Recommended Alternatives: Parts with relaxed speed classification (Standard Recovery >500ns) or modified electrical characteristics, suitable for applications where fast recovery is not required.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Speed	trr	Ir @ Vr	Package	Temp Range	Status
PR1004GL-T	Diodes Incorporated	400 V	1 A	1.3 V @ 1 A	Fast Recovery ≤ 500ns	150 ns	5 µA @ 400 V	DO-41	-65°C ~ 150°C	Obsolete
PR1004G-T	Diodes Incorporated	400 V	1 A	1.3 V @ 1 A	Fast Recovery ≤ 500ns	150 ns	5 µA @ 400 V	DO-41	-65°C ~ 150°C	Active
UF1004-T	Diodes Incorporated	400 V	1 A	1.3 V @ 1 A	Fast Recovery ≤ 500ns	50 ns	5 µA @ 400 V	DO-41	-65°C ~ 150°C	Active
BYD33GGPHE3/54	Vishay General Semiconductor	400 V	1 A	1.3 V @ 1 A	Fast Recovery ≤ 500ns	150 ns	5 µA @ 400 V	DO-204AL (DO-41)	-65°C ~ 175°C	Active
RGP10G-E3/54	Vishay General Semiconductor	400 V	1 A	1.3 V @ 1 A	Fast Recovery ≤ 500ns	150 ns	5 µA @ 400 V	DO-204AL (DO-41)	-65°C ~ 175°C	Active
RGP10GE-E3/54	Vishay General Semiconductor	400 V	1 A	1.3 V @ 1 A	Fast Recovery ≤ 500ns	150 ns	5 µA @ 400 V	DO-204AL (DO-41)	-65°C ~ 175°C	Active
RGP10G	Fairchild Semiconductor	400 V	1 A	1.3 V @ 1 A	Fast Recovery ≤ 500ns	150 ns	5 µA @ 400 V	DO-41	-65°C ~ 175°C	Active
1N3612GP-E3/73	Vishay General Semiconductor	400 V	1 A	1 V @ 1 A	Standard Recovery >500ns	2 µs	1 µA @ 400 V	DO-204AL (DO-41)	-65°C ~ 175°C	Active
1N4004-E3/54	Vishay General Semiconductor	400 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns	Not Specified	5 µA @ 400 V	DO-204AL (DO-41)	-55°C ~ 150°C	Active
1N4004-E3/73	Vishay General Semiconductor	400 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns	Not Specified	5 µA @ 400 V	DO-204AL (DO-41)	-55°C ~ 150°C	Active
1N4004-TP	Micro Commercial Co	400 V	1 A	1.1 V @ 1 A	Standard Recovery >500ns	2 µs	5 µA @ 400 V	DO-41	-55°C ~ 150°C	Active

Engineering Selection Recommendations

Tier 1: Direct Replacement (Fast Recovery, Active Status)

PR1004G-T, UF1004-T, BYD33GGPHE3/54, RGP10G-E3/54, RGP10GE-E3/54, and RGP10G are direct functional replacements for the obsolete PR1004GL-T. These parts maintain the fast recovery speed classification (≤ 500ns) and meet all mandatory electrical parameters. PR1004G-T is the primary recommendation as the direct Diodes Incorporated equivalent with identical specifications and active product status. UF1004-T offers superior reverse recovery time (50 ns versus 150 ns), providing enhanced performance in switching applications. Vishay parts (BYD33GGPHE3/54, RGP10G-E3/54, RGP10GE-E3/54) and Fairchild RGP10G provide extended operating temperature ranges (-65°C ~ 175°C versus -65°C ~ 150°C), beneficial for high-temperature environments.

Tier 2: Functional Alternatives (Standard Recovery, Active Status)

1N3612GP-E3/73, 1N4004-E3/54, 1N4004-E3/73, and 1N4004-TP are manufacturer-recommended alternatives with standard recovery characteristics (>500ns). These parts are suitable for applications where fast recovery is not a design requirement. The 1N4004 series exhibits lower forward voltage (1.0–1.1 V versus 1.3 V) and reduced reverse leakage current (1 µA for 1N3612GP-E3/73), offering improved efficiency in low-speed rectification circuits. Operating temperature ranges vary: 1N3612GP-E3/73 supports -65°C ~ 175°C, while 1N4004 variants support -55°C ~ 150°C.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with modern manufacturing and environmental standards. Selection should prioritize active product status parts to ensure long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can PR1004G-T directly replace PR1004GL-T?

A: Yes. PR1004G-T is the direct Diodes Incorporated equivalent with identical electrical specifications (400 V, 1 A, 1.3 V forward voltage, 150 ns reverse recovery time). The primary difference is packaging format (Tape & Reel versus bulk) and active product status. Both parts are functionally interchangeable in circuit applications.

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

A: Fast recovery diodes (≤ 500ns reverse recovery time) are optimized for high-frequency switching applications, reducing switching losses and electromagnetic interference. Standard recovery diodes (>500ns) are suitable for low-frequency rectification and power supply applications where switching speed is not critical. The PR1004GL-T is classified as fast recovery; standard recovery alternatives (1N4004 series, 1N3612GP-E3/73) are appropriate only if application requirements permit.

Q: Are Vishay RGP10G-E3/54 and RGP10GE-E3/54 interchangeable?

A: Yes. Both parts are Vishay SUPERECTIFIER® diodes with identical electrical specifications and package designations (DO-204AL/DO-41). The difference is in packaging format (Cut Tape). They are functionally equivalent and interchangeable in circuit design.

Q: Does UF1004-T offer advantages over PR1004G-T?

A: UF1004-T provides superior reverse recovery time (50 ns versus 150 ns), resulting in reduced switching losses and improved efficiency in high-frequency applications. Both parts meet the 400 V, 1 A rating and forward voltage specification. UF1004-T is recommended for applications where switching performance is optimized for frequency above 100 kHz.

Q: Can 1N4004-TP replace PR1004GL-T in all applications?

A: 1N4004-TP is functionally compatible for voltage and current ratings (400 V, 1 A) but operates as a standard recovery diode (2 µs reverse recovery time versus 150 ns). It is suitable for low-frequency rectification and power supply applications. For high-frequency switching circuits, fast recovery alternatives (PR1004G-T, UF1004-T, RGP10G-E3/54) are required.

Q: What is the significance of operating temperature range differences?

A: PR1004GL-T operates from -65°C to 150°C. Vishay parts (BYD33GGPHE3/54, RGP10G-E3/54, RGP10GE-E3/54) and Fairchild RGP10G extend the upper limit to 175°C, providing 25°C additional margin for high-temperature environments. 1N4004 variants operate from -55°C to 150°C, reducing the lower temperature limit by 10°C. Selection depends on application thermal requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with modern manufacturing processes and environmental regulations.

Q: What packaging options are available for replacement?

A: Substitute parts are available in multiple packaging formats: Cut Tape (CT), Tape & Reel (TR), Tape & Box (TB), and Bulk. DO-41 and DO-204AL (DO-41) are the primary package designations. Selection depends on procurement and assembly requirements; all variants are mechanically and electrically compatible for through-hole mounting.

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