PR6001-T Equivalent & Substitute Parts

Part Overview

The PR6001-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 50 V DC reverse voltage and 6 A average rectified current in an R-6 axial through-hole package. This component is classified as obsolete, which necessitates identification of equivalent substitute parts for ongoing applications and new designs. Equivalent and substitute diodes must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating available packaging and product status considerations.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	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 @ 50 V
Mounting Type	Through Hole	—
Package / Case	R-6, Axial	—
Operating Temperature - Junction	-65°C ~ 150°C	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the PR6001-T is determined by the following critical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 50 V
Current - Average Rectified (Io): Must equal or exceed 6 A
Voltage - Forward (Vf) (Max) @ If: Must not exceed application circuit limits
Reverse Recovery Time (trr): Speed classification must be compatible with circuit switching requirements

Mechanical Compatibility Requirements:

Mounting Type: Through Hole (required for PCB insertion)
Package / Case: R-6 or equivalent axial package geometry

Environmental & Compliance Requirements:

Operating Temperature - Junction: Must accommodate -65°C to 150°C range or application-specific subset
RoHS Status: ROHS3 Compliant preferred for regulatory alignment
Moisture Sensitivity Level (MSL): 1 (Unlimited) for standard handling

Substitute parts are grouped into two categories based on electrical performance alignment:

Category A - Full Electrical Equivalents (6 A rated, Fast Recovery): Parts maintaining 6 A current rating and fast recovery characteristics (≤ 500ns) with R-6 or compatible axial packaging.

Category B - Functional Alternatives (6 A rated, Standard Recovery): Parts maintaining 6 A current rating with standard recovery characteristics (> 500ns) and R-6 or compatible axial packaging.

Category C - Reduced Current Rating: Parts with lower current ratings (3 A) that do not meet the 6 A requirement and are listed for reference only.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Speed	trr	Package	Temp Range	Product Status	RoHS
PR6001-T	Diodes Incorporated	50 V	6 A	1.2 V @ 6 A	Fast Recovery ≤ 500ns	150 ns	R-6, Axial	-65°C ~ 150°C	Obsolete	ROHS3
1N5807	Microchip Technology	50 V	3 A	875 mV @ 4 A	Fast Recovery ≤ 500ns	30 ns	B, Axial	-65°C ~ 175°C	Active	Non-compliant
6A05-TP	Micro Commercial Co	50 V	6 A	950 mV @ 6 A	Standard Recovery > 500ns	Not specified	R-6, Axial	-55°C ~ 125°C	Not For New Designs	ROHS3
FR601GP-AP	Micro Commercial Co	50 V	6 A	1.3 V @ 6 A	Fast Recovery ≤ 500ns	150 ns	R-6, Axial	-55°C ~ 150°C	Active	ROHS3
GI750-E3/73	Vishay General Semiconductor - Diodes Division	50 V	6 A	900 mV @ 6 A	Standard Recovery > 500ns	2.5 µs	P600, Axial	-50°C ~ 150°C	Active	ROHS3
HER601GP-AP	Micro Commercial Co	50 V	6 A	1.1 V @ 6 A	Fast Recovery ≤ 500ns	50 ns	R-6, Axial	-55°C ~ 150°C	Active	ROHS3

Engineering Selection Recommendations

Primary Substitute - FR601GP-AP (Micro Commercial Co): FR601GP-AP is the recommended primary substitute for PR6001-T applications. This part maintains identical electrical specifications: 50 V reverse voltage, 6 A average rectified current, fast recovery characteristics (150 ns), and R-6 axial package geometry. FR601GP-AP carries Active product status, ensuring long-term availability and supply chain stability. RoHS3 compliance aligns with regulatory requirements. Operating temperature range (-55°C ~ 150°C) covers the critical upper and lower bounds of the original specification. Forward voltage (1.3 V @ 6 A) is marginally higher than the original (1.2 V @ 6 A) but remains within typical circuit tolerance margins for general-purpose rectification applications.

Secondary Substitute - HER601GP-AP (Micro Commercial Co): HER601GP-AP provides an alternative with identical voltage and current ratings, R-6 axial packaging, and Active product status. This part exhibits superior reverse recovery time (50 ns versus 150 ns), indicating faster switching characteristics. Forward voltage (1.1 V @ 6 A) is lower than the original specification, reducing power dissipation in rectification circuits. Operating temperature range (-55°C ~ 150°C) and RoHS3 compliance match application requirements. HER601GP-AP is suitable for applications where improved switching performance is beneficial.

Tertiary Substitute - GI750-E3/73 (Vishay General Semiconductor - Diodes Division): GI750-E3/73 maintains 50 V reverse voltage and 6 A current rating with Active product status and RoHS3 compliance. This part features standard recovery characteristics (2.5 µs) and P600 axial package geometry. Forward voltage (900 mV @ 6 A) is the lowest among available substitutes, minimizing power dissipation. Operating temperature range (-50°C ~ 150°C) covers typical industrial applications. Package geometry (P600) differs from the original R-6, requiring mechanical verification for PCB footprint compatibility.

Not Recommended - 6A05-TP (Micro Commercial Co): 6A05-TP is classified as Not For New Designs and carries standard recovery characteristics (> 500ns), making it unsuitable for new circuit implementations. While electrical ratings match the original specification, product status and recovery speed characteristics limit its application scope.

Not Recommended - 1N5807 (Microchip Technology): 1N5807 is rated for 3 A average rectified current, which does not meet the 6 A requirement of the original PR6001-T specification. This part is unsuitable for direct substitution in applications requiring 6 A current handling capacity. Additionally, RoHS non-compliance status presents regulatory concerns.

Frequently Asked Questions (FAQ)

Q: Can FR601GP-AP directly replace PR6001-T in existing circuit boards?

A: FR601GP-AP is electrically compatible with PR6001-T across all critical parameters: 50 V reverse voltage, 6 A current rating, fast recovery characteristics, and R-6 axial package. Direct PCB substitution is supported without circuit modification.

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

A: Recovery speed refers to the reverse recovery time (trr), which is the time required for a diode to transition from forward conduction to reverse blocking. Fast recovery diodes (≤ 500ns) switch more rapidly, reducing switching losses in high-frequency applications. Standard recovery diodes (> 500ns) are suitable for lower-frequency rectification. PR6001-T specifies fast recovery (150 ns), and FR601GP-AP and HER601GP-AP maintain this characteristic.

Q: Does package geometry affect substitution compatibility?

A: Package geometry must be verified for PCB footprint compatibility. PR6001-T uses R-6 axial packaging. FR601GP-AP and HER601GP-AP maintain identical R-6 geometry. GI750-E3/73 uses P600 axial packaging, which may differ in lead spacing and physical dimensions. Mechanical verification is required before substitution.

Q: Why is 1N5807 listed as a substitute if it has a lower current rating?

A: 1N5807 is listed in the original PR6001-T substitute field but does not meet the 6 A current requirement. This part is included for reference only and is not recommended for direct substitution in applications requiring 6 A capacity.

Q: What is the significance of RoHS compliance status?

A: RoHS3 compliance indicates that the component meets Restriction of Hazardous Substances regulations, restricting lead, cadmium, mercury, and other hazardous materials. FR601GP-AP, HER601GP-AP, and GI750-E3/73 are ROHS3 compliant, aligning with modern regulatory and environmental standards. 1N5807 is RoHS non-compliant and may not be acceptable for applications subject to RoHS requirements.

Q: How do forward voltage differences affect circuit performance?

A: Forward voltage (Vf) determines the voltage drop across the diode during conduction. PR6001-T specifies 1.2 V @ 6 A. FR601GP-AP (1.3 V @ 6 A) has slightly higher forward voltage, resulting in marginally increased power dissipation. HER601GP-AP (1.1 V @ 6 A) and GI750-E3/73 (900 mV @ 6 A) have lower forward voltages, reducing power loss. For general-purpose rectification, these differences are typically within acceptable circuit tolerance ranges.

Q: What operating temperature range should be selected for new designs?

A: PR6001-T specifies -65°C ~ 150°C. FR601GP-AP and HER601GP-AP support -55°C ~ 150°C, which covers most industrial and commercial applications. GI750-E3/73 supports -50°C ~ 150°C. Selection depends on specific application temperature requirements. If operation below -55°C is required, FR601GP-AP or HER601GP-AP may not be suitable.

Q: Is product status (Active vs. Obsolete) important for component selection?

A: Product status directly affects long-term availability and supply chain reliability. PR6001-T is Obsolete, indicating discontinued production and limited future availability. FR601GP-AP, HER601GP-AP, and GI750-E3/73 are Active, ensuring continued manufacturing and supply. For new designs and long-term applications, Active status components are strongly preferred.

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