PR1003GL-T Equivalent & Substitute Parts

Part Overview

The PR1003GL-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 200 V DC reverse voltage and 1 A average rectified current in a DO-41 through-hole package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The diode features fast recovery characteristics with a reverse recovery time of 150 ns, suitable for standard rectification circuits requiring moderate switching speeds.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	200 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 @ 200 V
Mounting Type	Through Hole
Package / Case	DO-204AL, DO-41, Axial
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the PR1003GL-T are grouped based on electrical parameter compatibility and package equivalence. The primary substitution criteria are:

Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): 200 V (exact match required)
Current - Average Rectified (Io): 1 A (exact match required)
Mounting Type: Through Hole (required for mechanical compatibility)
Package / Case: DO-204AL, DO-41, or Axial (interchangeable package designations)

Secondary Considerations:

Forward voltage (Vf) at rated current
Reverse recovery time (trr) and speed classification
Reverse leakage current
Operating temperature range
Product status and compliance certifications

Substitute parts are divided into two categories:

Category 1: Fast Recovery Diodes (trr ≤ 500ns) These parts maintain the fast recovery characteristic of the original PR1003GL-T and are direct functional equivalents for applications requiring switching speeds below 500 ns.

Category 2: Standard Recovery Diodes (trr > 500ns) These parts feature standard recovery characteristics and are suitable for applications where switching speed is not a critical constraint. Forward voltage and leakage characteristics may differ slightly from the original part.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf @ 1A	Speed	trr	Package	Temp Range	Product Status	RoHS
PR1003GL-T	Diodes Incorporated	200 V	1 A	1.3 V	Fast Recovery ≤ 500ns	150 ns	DO-41	-65°C ~ 150°C	Obsolete	ROHS3
BYD33DGPHE3/54	Vishay General Semiconductor	200 V	1 A	1.3 V	Fast Recovery ≤ 500ns	150 ns	DO-204AL (DO-41)	-65°C ~ 175°C	Active	ROHS3
RGP10D	Fairchild Semiconductor	200 V	1 A	1.3 V	Fast Recovery ≤ 500ns	150 ns	DO-204AL (DO-41)	-65°C ~ 175°C	Active	Not specified
RGP10D-E3/54	Vishay General Semiconductor	200 V	1 A	1.3 V	Fast Recovery ≤ 500ns	150 ns	DO-204AL (DO-41)	-65°C ~ 175°C	Active	ROHS3
1N3611	Microchip Technology	200 V	1 A	1.1 V	Standard Recovery > 500ns	Not specified	Axial	-65°C ~ 175°C	Active	Non-compliant
1N3611GP-E3/54	Vishay General Semiconductor	200 V	1 A	1.0 V	Standard Recovery > 500ns	2 µs	DO-204AL (DO-41)	-65°C ~ 175°C	Active	ROHS3
1N4003-E3/54	Vishay General Semiconductor	200 V	1 A	1.1 V	Standard Recovery > 500ns	Not specified	DO-204AL (DO-41)	-55°C ~ 150°C	Active	ROHS3
1N4003-E3/73	Vishay General Semiconductor	200 V	1 A	1.1 V	Standard Recovery > 500ns	Not specified	DO-204AL (DO-41)	-55°C ~ 150°C	Active	ROHS3
1N4003-TP	Micro Commercial Co	200 V	1 A	1.1 V	Standard Recovery > 500ns	2 µs	DO-41	-55°C ~ 150°C	Not For New Designs	ROHS3
1N4003G	Taiwan Semiconductor Corporation	200 V	1 A	1.0 V	Standard Recovery > 500ns	Not specified	DO-204AL (DO-41)	-55°C ~ 150°C	Active	ROHS3
1N4003GP-E3/54	Vishay General Semiconductor	200 V	1 A	1.1 V	Standard Recovery > 500ns	2 µs	DO-204AL (DO-41)	-65°C ~ 175°C	Active	ROHS3

Engineering Selection Recommendations

For Fast Recovery Applications (trr ≤ 500ns):

The BYD33DGPHE3/54 and RGP10D-E3/54 are direct functional equivalents to the PR1003GL-T. Both maintain the 150 ns reverse recovery time specification and are rated for 200 V / 1 A operation. The BYD33DGPHE3/54 is manufactured by Vishay General Semiconductor with ROHS3 compliance and extended operating temperature range (-65°C ~ 175°C). The RGP10D-E3/54 is also ROHS3 compliant with identical electrical specifications. Both parts are in active product status, ensuring long-term availability.

The RGP10D from Fairchild Semiconductor provides equivalent fast recovery performance and is available in high volume (17,100 pcs in stock), though RoHS compliance status is not specified in the provided data.

For Standard Recovery Applications (trr > 500ns):

The 1N4003-E3/54, 1N4003-E3/73, and 1N4003GP-E3/54 are suitable substitutes when switching speed is not a critical design constraint. These parts feature standard recovery characteristics with 2 µs reverse recovery time. The 1N4003GP-E3/54 offers the widest operating temperature range (-65°C ~ 175°C) and is ROHS3 compliant. The 1N4003-E3/54 and 1N4003-E3/73 are functionally identical with identical electrical specifications and ROHS3 compliance, differing only in packaging configuration (tape reel designation).

The 1N3611GP-E3/54 is a ROHS3-compliant alternative with lower forward voltage (1.0 V @ 1 A) and extended temperature range (-65°C ~ 175°C), suitable for applications where reduced forward voltage drop is beneficial.

Compliance Considerations:

All recommended active substitutes are ROHS3 compliant. The 1N4003-TP is marked "Not For New Designs" and should be avoided for new circuit implementations. The 1N3611 from Microchip Technology is RoHS non-compliant and should not be used in applications requiring RoHS compliance.

Frequently Asked Questions (FAQ)

Q: Can I use a standard recovery diode (1N4003 series) as a direct replacement for the PR1003GL-T?

A: Standard recovery diodes (1N4003 series) are electrically compatible with the PR1003GL-T for voltage and current ratings (200 V / 1 A). However, they feature slower reverse recovery times (2 µs versus 150 ns). This substitution is acceptable only in applications where switching frequency is low and reverse recovery time is not a performance constraint. For high-frequency switching circuits, fast recovery diodes (BYD33DGPHE3/54 or RGP10D-E3/54) must be used.

Q: What is the difference between DO-41 and DO-204AL package designations?

A: DO-41 and DO-204AL are equivalent package designations for the same axial-lead through-hole diode package. Both refer to a cylindrical component with leads at each end, suitable for insertion into through-hole PCB mounting. Parts specified as DO-204AL (DO-41) or DO-41 are mechanically and electrically interchangeable.

Q: Are all substitute parts ROHS3 compliant?

A: Most active substitute parts listed are ROHS3 compliant. The 1N3611 from Microchip Technology is explicitly marked as RoHS non-compliant. The 1N4003-TP is marked "Not For New Designs" and should not be selected for new applications. For applications requiring RoHS compliance, select from: BYD33DGPHE3/54, RGP10D-E3/54, 1N3611GP-E3/54, 1N4003-E3/54, 1N4003-E3/73, 1N4003G, or 1N4003GP-E3/54.

Q: What is the operating temperature range difference between the PR1003GL-T and its substitutes?

A: The PR1003GL-T operates from -65°C to 150°C. Most active substitutes extend the upper temperature limit to 175°C, providing a 25°C margin. The 1N4003 series (1N4003-E3/54, 1N4003-E3/73, 1N4003-TP, 1N4003G) operate from -55°C to 150°C, reducing the lower temperature limit by 10°C. For applications requiring the full -65°C lower limit, select BYD33DGPHE3/54, RGP10D-E3/54, 1N3611GP-E3/54, or 1N4003GP-E3/54.

Q: Which substitute offers the lowest forward voltage drop?

A: The 1N3611GP-E3/54 and 1N4003G both feature 1.0 V forward voltage at 1 A, compared to 1.3 V for the PR1003GL-T. The 1N4003-E3/54, 1N4003-E3/73, and 1N4003GP-E3/54 feature 1.1 V forward voltage. Lower forward voltage reduces power dissipation in rectification circuits. However, this benefit applies only to standard recovery devices; fast recovery substitutes (BYD33DGPHE3/54, RGP10D-E3/54) maintain the original 1.3 V specification.

Q: Is the PR1003GL-T still available for purchase?

A: The PR1003GL-T is classified as obsolete. While 1,063 pieces are reported in stock, long-term availability cannot be guaranteed. Active substitute parts with equivalent or superior specifications should be selected for new designs and ongoing production to ensure supply chain continuity.

Q: What is the difference between cut tape (CT) and tape & reel (TR) packaging?

A: Cut tape (CT) packaging provides components in shorter tape lengths suitable for smaller production runs or manual assembly. Tape & reel (TR) packaging provides full reels for automated assembly equipment. Both formats contain identical components; the difference is in the delivery format. Selection depends on assembly process requirements and order quantities.

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