PR6002-T Equivalent & Substitute Parts

Part Overview

The PR6002-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 100 V DC reverse voltage and 6 A average rectified current in an R-6 axial through-hole package. The device 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. This part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	6	A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 6 A	V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	10	µA @ 100 V
Mounting Type	Through Hole	—
Package / Case	R-6, Axial	—
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the PR6002-T is determined by the following critical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 100 V
Current - Average Rectified (Io): Must equal or exceed 6 A
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io) preferred for equivalent performance
Reverse Recovery Time (trr): Lower values indicate improved switching characteristics

Mechanical Compatibility Requirements:

Mounting Type: Through Hole (mandatory)
Package / Case: R-6 axial preferred; alternative axial packages acceptable with mechanical verification

Compliance & Status Requirements:

Product Status: Active or Not For New Designs acceptable; Obsolete status avoided
RoHS Status: ROHS3 Compliant preferred for regulatory alignment

Substitute parts are grouped into two categories: Direct Equivalents (matching R-6 package and 6 A rating with fast recovery) and Functional Alternatives (meeting electrical specifications with different package configurations or reduced current ratings for lower-power applications).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Package	Product Status	RoHS Status
PR6002-T	Diodes Incorporated	100	6	1.2 @ 6 A	Fast Recovery ≤ 500ns	150	R-6, Axial	Obsolete	ROHS3 Compliant
FR602GP-AP	Micro Commercial Co	100	6	1.3 @ 6 A	Fast Recovery ≤ 500ns	150	R-6, Axial	Active	ROHS3 Compliant
HER602GP-AP	Micro Commercial Co	100	6	1.1 @ 6 A	Fast Recovery ≤ 500ns	50	R-6, Axial	Active	ROHS3 Compliant
GI751-E3/73	Vishay General Semiconductor - Diodes Division	100	6	0.9 @ 6 A	Standard Recovery >500ns	2500	P600, Axial	Active	ROHS3 Compliant
6A1-TP	Micro Commercial Co	100	6	0.95 @ 6 A	Standard Recovery >500ns	—	R-6, Axial	Not For New Designs	ROHS3 Compliant
1N5809	Microchip Technology	100	3	0.875 @ 4 A	Fast Recovery ≤ 500ns	30	B, Axial	Active	RoHS non-compliant
1N6077	Microchip Technology	100	1.3	1.76 @ 18.8 A	Fast Recovery ≤ 500ns	30	A, Axial	Active	RoHS non-compliant

Engineering Selection Recommendations

Primary Substitutes (Direct Equivalents):

FR602GP-AP and HER602GP-AP are the preferred direct substitutes for PR6002-T. Both parts are manufactured by Micro Commercial Co, maintain the R-6 axial package configuration, support 100 V reverse voltage and 6 A average rectified current, and carry ROHS3 compliance. FR602GP-AP exhibits identical reverse recovery time (150 ns) and forward voltage characteristics (1.3 V @ 6 A) to the original part. HER602GP-AP provides superior fast recovery performance with 50 ns reverse recovery time and lower forward voltage (1.1 V @ 6 A), offering improved switching efficiency. Both parts are in active production status.

Secondary Substitutes (Functional Alternatives):

GI751-E3/73 (Vishay General Semiconductor - Diodes Division) meets the 100 V and 6 A electrical requirements with ROHS3 compliance and active product status. The P600 axial package differs from the R-6 configuration; mechanical verification of board layout compatibility is required. This part operates with standard recovery characteristics (>500ns) and exhibits lower forward voltage (0.9 V @ 6 A), suitable for applications where switching speed is not critical.

6A1-TP (Micro Commercial Co) maintains R-6 package compatibility and 100 V / 6 A ratings with ROHS3 compliance. However, this part carries "Not For New Designs" status and exhibits standard recovery characteristics (>500ns), making it suitable only for legacy system maintenance where fast recovery is not required.

Lower Current Alternatives (Reduced Rating Applications):

1N5809 (Microchip Technology) and 1N6077 (Microchip Technology) are active parts with fast recovery characteristics but reduced current ratings (3 A and 1.3 A respectively). These parts are suitable only for applications where the 6 A rating of PR6002-T is not required. Both parts are RoHS non-compliant, presenting regulatory constraints for new designs.

Frequently Asked Questions (FAQ)

Q: Can FR602GP-AP or HER602GP-AP be used as direct replacements for PR6002-T?

A: Yes. Both parts maintain identical electrical specifications (100 V reverse voltage, 6 A average rectified current, fast recovery ≤ 500ns) and R-6 axial package configuration. FR602GP-AP provides equivalent performance; HER602GP-AP offers improved switching characteristics with 50 ns reverse recovery time versus 150 ns. Both are ROHS3 compliant and in active production.

Q: Why is GI751-E3/73 listed as a substitute if it uses a different package (P600 vs. R-6)?

A: GI751-E3/73 meets all electrical requirements (100 V, 6 A, fast recovery capable) and is ROHS3 compliant with active status. The P600 package is an alternative axial configuration. Mechanical board layout compatibility must be verified before selection, as package dimensions differ from R-6.

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

A: Fast recovery diodes (trr ≤ 500ns) exhibit shorter reverse recovery time, enabling faster switching transitions and reduced switching losses in high-frequency applications. Standard recovery diodes (trr >500ns) are suitable for lower-frequency rectification where switching speed is not critical. PR6002-T specifies fast recovery; FR602GP-AP and HER602GP-AP maintain this characteristic, while GI751-E3/73 and 6A1-TP use standard recovery.

Q: Can 1N5809 or 1N6077 replace PR6002-T?

A: No. Both parts have reduced current ratings (3 A and 1.3 A respectively) below the 6 A requirement of PR6002-T. These parts are suitable only for applications with lower current demands. Additionally, both are RoHS non-compliant, presenting regulatory constraints.

Q: What is the significance of the "Not For New Designs" status of 6A1-TP?

A: "Not For New Designs" indicates the manufacturer has discontinued active development and recommends against use in new product designs. 6A1-TP is acceptable for legacy system maintenance and repair where PR6002-T replacement is necessary, but FR602GP-AP or HER602GP-AP are preferred for new applications due to active production status.

Q: How do forward voltage differences between substitutes affect circuit performance?

A: Forward voltage (Vf) determines voltage drop across the diode during conduction. PR6002-T specifies 1.2 V @ 6 A. FR602GP-AP (1.3 V @ 6 A) and HER602GP-AP (1.1 V @ 6 A) exhibit comparable performance. GI751-E3/73 (0.9 V @ 6 A) provides lower voltage drop, reducing power dissipation. Selection depends on circuit design requirements for voltage regulation and thermal management.

Q: Are all substitute parts through-hole mounted?

A: Yes. All listed substitutes maintain through-hole mounting type, ensuring compatibility with existing PCB designs. Package configurations vary (R-6, P600, B, A axial), but all are axial through-hole devices suitable for wave soldering and manual assembly processes.

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