Equivalent & Substitute Parts for PR3003G-T

Part Overview

The PR3003G-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 200 V DC reverse voltage and 3 A average rectified current in a DO-201AD axial through-hole package. This part 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	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 3 A	V
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-201AD, Axial	-
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the PR3003G-T are selected based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Critical Parameters for Substitution:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 3 A
Package / Case: DO-201AD, Axial (through-hole mounting)
Mounting Type: Through Hole

Secondary Parameters Considered:

Voltage - Forward (Vf) (Max) @ If: 1.0 to 1.3 V @ 3 A
Speed Classification: Fast Recovery or Standard Recovery
Reverse Recovery Time (trr): Varies by technology
Current - Reverse Leakage @ Vr: 1 to 10 µA @ 200 V
Operating Temperature - Junction: Minimum -50°C, Maximum 150°C or higher
RoHS Status: ROHS3 Compliant preferred
Product Status: Active status preferred over obsolete or not for new designs

All substitute parts listed maintain the core electrical ratings (200 V, 3 A) and DO-201AD package compatibility. Variations in forward voltage, recovery time, and leakage current are within acceptable ranges for general-purpose rectification applications.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Package	Temp Range [°C]	Status	RoHS
PR3003G-T	Diodes Incorporated	200	3	1.3 @ 3A	Fast Recovery ≤ 500ns	150	5 @ 200V	DO-201AD	-65 to 150	Obsolete	ROHS3
RGP30D-E3/54	Vishay General Semiconductor	200	3	1.3 @ 3A	Fast Recovery ≤ 500ns	150	5 @ 200V	DO-201AD	-65 to 175	Active	ROHS3
1N5402-E3/54	Vishay General Semiconductor	200	3	1.2 @ 3A	Standard Recovery > 500ns	-	5 @ 200V	DO-201AD	-50 to 150	Active	ROHS3
1N5402G	Taiwan Semiconductor Corporation	200	3	1.0 @ 3A	Standard Recovery > 500ns	-	5 @ 200V	DO-201AD	-55 to 150	Active	ROHS3
1N5402RLG	onsemi	200	3	1.0 @ 3A	Standard Recovery > 500ns	-	10 @ 200V	DO-201AA / DO-27	-65 to 150	Not For New Designs	ROHS3
1N5417	Microchip Technology	200	3	1.5 @ 9A	Fast Recovery ≤ 500ns	150	1 @ 200V	Axial	-65 to 175	Active	RoHS non-compliant
1N5624-TR	Vishay General Semiconductor	200	3	1.0 @ 3A	Standard Recovery > 500ns	7500	1 @ 200V	SOD-64	-55 to 175	Active	ROHS3
BY251P-E3/54	Vishay General Semiconductor	200	3	1.1 @ 3A	Standard Recovery > 500ns	3000	5 @ 200V	DO-201AD	-55 to 150	Active	ROHS3
FR303GP-AP	Micro Commercial Co	200	3	1.3 @ 3A	Fast Recovery ≤ 500ns	150	5 @ 200V	DO-201AD	-55 to 150	Active	ROHS3
SF64GHB0G	Taiwan Semiconductor Corporation	200	6	0.975 @ 6A	Fast Recovery ≤ 500ns	35	5 @ 200V	DO-201AD	-55 to 150	Active	ROHS3
STTH3R02	STMicroelectronics	200	3	1.0 @ 3A	Fast Recovery ≤ 500ns	30	3 @ 200V	DO-201AD	-65 to 175	Active	ROHS3

Engineering Selection Recommendations

Primary Recommendation - Direct Replacement:

The RGP30D-E3/54 (Vishay General Semiconductor) is the closest electrical and mechanical equivalent to the PR3003G-T. It maintains identical voltage (200 V), current (3 A), forward voltage (1.3 V @ 3 A), recovery time (150 ns), and package (DO-201AD). The part is active in production with ROHS3 compliance and an extended operating temperature range (-65°C to 175°C). Packaging is Tape & Reel (TR).

Secondary Recommendations - Functional Equivalents:

FR303GP-AP (Micro Commercial Co): Matches all critical parameters including fast recovery characteristics (150 ns), forward voltage (1.3 V @ 3 A), and DO-201AD package. Active status with ROHS3 compliance. Operating temperature range -55°C to 150°C.
STTH3R02 (STMicroelectronics): Meets voltage and current ratings with superior fast recovery performance (30 ns trr). Active status, ROHS3 compliant, extended temperature range (-65°C to 175°C). DO-201AD package.
1N5402G (Taiwan Semiconductor Corporation): Maintains 200 V / 3 A ratings with standard recovery characteristics. Active status, ROHS3 compliant. Lower forward voltage (1.0 V @ 3 A) and reduced reverse leakage (5 µA @ 200 V).

Alternative for Higher Current Applications:

The SF64GHB0G (Taiwan Semiconductor Corporation) provides 6 A average rectified current at the same 200 V rating, suitable for applications requiring higher current capacity. Fast recovery characteristics (35 ns trr), DO-201AD package, active status, and ROHS3 compliance. Automotive qualified (AEC-Q101).

Not Recommended for New Designs:

The 1N5402RLG (onsemi) carries a "Not For New Designs" status and should be avoided for new circuit development, despite meeting electrical specifications.

Compliance Consideration:

The 1N5417 (Microchip Technology) is RoHS non-compliant and should only be selected if legacy compliance requirements are explicitly mandated.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different package type?

A: Package compatibility is critical for through-hole applications. The PR3003G-T uses DO-201AD (axial) package. Substitutes must maintain this package type for direct board-level replacement. The 1N5624-TR uses SOD-64 package and is not a direct mechanical substitute. The 1N5402RLG uses DO-201AA / DO-27 package variants, which may have different lead spacing.

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

A: The PR3003G-T features fast recovery with 150 ns reverse recovery time (trr). Standard recovery diodes have trr > 500 ns. Fast recovery diodes switch faster, reducing switching losses in high-frequency applications. Standard recovery diodes (1N5402-E3/54, 1N5402G, BY251P-E3/54) are suitable for lower-frequency rectification where switching speed is less critical.

Q: Are all substitute parts RoHS3 compliant?

A: Most substitutes are ROHS3 compliant. The exception is 1N5417 (Microchip Technology), which is RoHS non-compliant. For applications requiring RoHS compliance, select from the compliant alternatives listed.

Q: Can I use a 6 A diode (SF64GHB0G) in place of a 3 A diode?

A: Yes, a higher-current-rated diode can replace a lower-current-rated diode in the same voltage class, provided the package and mounting type are compatible. The SF64GHB0G (6 A) is a functional superset of the PR3003G-T (3 A) at 200 V. This substitution is suitable for applications where additional current margin is beneficial.

Q: What does "Active" product status mean?

A: Active status indicates the part is currently in production and available from the manufacturer. The PR3003G-T is obsolete, meaning it is no longer manufactured. Active substitutes ensure long-term availability and supply chain continuity.

Q: How do forward voltage differences affect circuit performance?

A: Forward voltage (Vf) varies slightly among substitutes (1.0 to 1.5 V @ 3 A). This affects voltage drop across the diode during conduction. For most general-purpose rectification circuits, variations within this range are acceptable. In precision applications with tight voltage budgets, verify that the substitute's Vf is compatible with circuit design margins.

Q: What is reverse leakage current and why does it vary?

A: Reverse leakage current (Ir) is the small current that flows when the diode is reverse-biased. It varies from 1 µA to 10 µA @ 200 V among substitutes. Lower leakage is preferable in high-impedance circuits. For standard rectification applications, variations within this range have minimal impact.

Q: Is the extended temperature range (-65°C to 175°C) of RGP30D-E3/54 important?

A: The extended upper temperature limit (175°C vs. 150°C) provides additional thermal margin in high-temperature environments. This is beneficial for applications operating near maximum junction temperature limits. For standard room-temperature applications, the standard range is sufficient.

Q: What packaging format should I select: Tape & Reel (TR) or Cut Tape (CT)?

A: Tape & Reel (TR) is suitable for automated assembly and high-volume production. Cut Tape (CT) is appropriate for manual assembly or lower-volume applications. Both formats contain the same diode; the difference is in delivery and handling format. Select based on your assembly process requirements.

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