PR1005-T General Purpose Rectifier Diode 600V 1A DO-41 Equivalent & Substitute Parts

Part Overview

The PR1005-T is a general purpose rectifier diode manufactured by Diodes Incorporated, rated for 600V DC reverse voltage and 1A average rectified current in a through-hole DO-41 package. This device operates across a junction temperature range of -65°C to 150°C and features fast recovery characteristics with a reverse recovery time of 250 ns. The part is ROHS3 compliant and currently in active production status with 5200 units in stock.

Equivalent and substitute parts are identified to address application requirements including packaging format preferences, recovery speed specifications, temperature range extensions, and component availability across multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	600	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) Maximum @ If	1.2 V @ 1 A	V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Reverse Recovery Time (trr)	250	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Capacitance @ Vr, F	8	pF @ 4V, 1MHz
Mounting Type	Through Hole	-
Package / Case	DO-204AL, DO-41, Axial	-
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the PR1005-T are classified based on the following critical parameters that determine functional equivalence:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) Maximum: 600 V
Current - Average Rectified (Io): 1 A
Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, or Axial variants

Secondary Differentiation Factors:

Speed Classification: Fast Recovery (≤ 500ns) versus Standard Recovery (> 500ns)
Reverse Recovery Time (trr): Ranges from 200 ns to 5 µs
Voltage - Forward (Vf) Maximum: 1.0 V to 1.3 V depending on manufacturer
Operating Temperature Range: -55°C to -65°C minimum; 150°C to 175°C maximum
Capacitance @ Vr, F: 8 pF to 15 pF
RoHS Compliance Status: ROHS3 Compliant or non-compliant variants

Substitutes are grouped into two categories: Parametric Equivalents (matching fast recovery speed) and Manufacturer Recommended Alternatives (standard recovery speed with extended temperature ranges or improved forward voltage characteristics).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) @ If	Speed	trr (ns/µs)	Ir @ Vr	C @ Vr	Temp Range °C	Package	Status
PR1005-T	Diodes Incorporated	600	1	1.2 V @ 1 A	Fast Recovery ≤ 500ns	250 ns	5 µA @ 600 V	8 pF @ 4V, 1MHz	-65 to 150	DO-41	Active
1N4937-T	Diodes Incorporated	600	1	1.2 V @ 1 A	Fast Recovery ≤ 500ns	200 ns	5 µA @ 600 V	15 pF @ 4V, 1MHz	-65 to 150	DO-41	Active
1N4005-E3/54	Vishay General Semiconductor - Diodes Division	600	1	1.1 V @ 1 A	Standard Recovery > 500ns	-	5 µA @ 600 V	15 pF @ 4V, 1MHz	-55 to 150	DO-204AL (DO-41)	Active
1N4005-TP	Micro Commercial Co	600	1	1.1 V @ 1 A	Standard Recovery > 500ns	2 µs	5 µA @ 600 V	15 pF @ 4V, 1MHz	-55 to 150	DO-41	Active
1N4005G	Good-Ark Semiconductor	600	1	1.1 V @ 1 A	Standard Recovery > 500ns	1 µs	5 µA @ 600 V	8 pF @ 4V, 1MHz	-55 to 150	DO-204AL (DO-41)	Active
1N4005GP-E3/54	Vishay General Semiconductor - Diodes Division	600	1	1.1 V @ 1 A	Standard Recovery > 500ns	2 µs	5 µA @ 600 V	8 pF @ 4V, 1MHz	-65 to 175	DO-204AL (DO-41)	Active
1N4005GP-E3/73	Vishay General Semiconductor - Diodes Division	600	1	1.1 V @ 1 A	Standard Recovery > 500ns	2 µs	5 µA @ 600 V	8 pF @ 4V, 1MHz	-65 to 175	DO-204AL (DO-41)	Active
1N4005RLG	onsemi	600	1	1.1 V @ 1 A	Standard Recovery > 500ns	-	10 µA @ 600 V	-	-65 to 175	Axial	Not For New Designs
1N4247	Microchip Technology	600	1	1.3 V @ 3 A	Standard Recovery > 500ns	5 µs	1 µA @ 600 V	-	-65 to 175	A, Axial	Active
1N4385GP-E3/54	Vishay General Semiconductor - Diodes Division	600	1	1.0 V @ 1 A	Standard Recovery > 500ns	2 µs	5 µA @ 600 V	15 pF @ 4V, 1MHz	-65 to 175	DO-204AC (DO-15)	Active
1N4937G	Taiwan Semiconductor Corporation	600	1	1.2 V @ 1 A	Fast Recovery ≤ 500ns	200 ns	5 µA @ 600 V	10 pF @ 4V, 1MHz	-55 to 150	DO-204AL (DO-41)	Active

Engineering Selection Recommendations

Fast Recovery Equivalents (Matching PR1005-T Speed Characteristics):

The 1N4937-T (Diodes Incorporated) and 1N4937G (Taiwan Semiconductor Corporation) are parametric equivalents offering fast recovery performance identical to the PR1005-T with reverse recovery times of 200 ns. Both parts maintain the 600V/1A rating and through-hole mounting. The 1N4937-T is available in Cut Tape packaging with 4650 units in stock, while 1N4937G is available with 2015 units. Both are ROHS3 compliant and active production status. Selection between these and the PR1005-T depends on packaging format requirements (Tape & Reel versus Cut Tape) and inventory availability.

Standard Recovery Alternatives (Extended Temperature Range):

The 1N4005GP-E3/54 and 1N4005GP-E3/73 (Vishay General Semiconductor - Diodes Division, SUPERECTIFIER® series) provide extended operating temperature ranges of -65°C to 175°C compared to the PR1005-T range of -65°C to 150°C. These parts feature standard recovery characteristics (2 µs reverse recovery time) with improved forward voltage (1.1 V @ 1 A) and are ROHS3 compliant. Inventory availability is substantial at 60913 and 12200 units respectively. These substitutes are appropriate for applications requiring extended high-temperature operation.

Standard Recovery Alternatives (Compact Packaging):

The 1N4385GP-E3/54 (Vishay General Semiconductor - Diodes Division, SUPERECTIFIER® series) offers the lowest forward voltage specification (1.0 V @ 1 A) in a DO-204AC (DO-15) package, which is physically smaller than the DO-41 package. This part maintains 600V/1A ratings with -65°C to 175°C temperature range and ROHS3 compliance. Inventory is limited at 1127 units. This substitute is suitable for space-constrained applications where forward voltage efficiency is prioritized.

Legacy and Non-Compliant Options:

The 1N4005RLG (onsemi) is designated "Not For New Designs" and carries higher reverse leakage current (10 µA @ 600 V) compared to the PR1005-T (5 µA @ 600 V). This part should not be selected for new circuit designs. The 1N4247 (Microchip Technology) is RoHS non-compliant and features higher forward voltage specification (1.3 V @ 3 A), making it unsuitable for applications requiring RoHS3 compliance.

Selection Criteria Summary:

Speed-Critical Applications: Select 1N4937-T or 1N4937G for fast recovery performance matching PR1005-T
Temperature-Extended Applications: Select 1N4005GP-E3/54 or 1N4005GP-E3/73 for -65°C to 175°C operation
Space-Constrained Applications: Select 1N4385GP-E3/54 for DO-15 package with optimized forward voltage
High-Volume Applications: Select 1N4005-TP (Micro Commercial Co) with 110625 units available
Avoid: 1N4005RLG (obsolete status) and 1N4247 (non-compliant)

Frequently Asked Questions (FAQ)

Q: Can the 1N4937-T directly replace the PR1005-T in existing designs?

A: Yes. The 1N4937-T is a parametric equivalent with identical voltage and current ratings (600V/1A), matching fast recovery speed (200 ns trr), and compatible through-hole DO-41 packaging. The primary difference is packaging format: PR1005-T is supplied in Tape & Reel while 1N4937-T is supplied in Cut Tape. Both are ROHS3 compliant and active production status.

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

A: Fast recovery diodes (PR1005-T, 1N4937-T, 1N4937G) have reverse recovery times ≤ 500 ns, typically 200-250 ns. Standard recovery diodes (1N4005 series, 1N4247, 1N4385) have reverse recovery times > 500 ns, typically 1-5 µs. Fast recovery diodes are preferred in high-frequency switching applications to minimize switching losses and electromagnetic interference. Standard recovery diodes are suitable for lower-frequency rectification applications and typically offer lower forward voltage drop.

Q: Are all substitute parts ROHS3 compliant?

A: No. The 1N4247 (Microchip Technology) is explicitly marked as RoHS non-compliant. The 1N4005RLG (onsemi) does not specify RoHS status. All other listed substitutes including PR1005-T, 1N4937-T, 1N4937G, 1N4005 series variants, and 1N4385GP-E3/54 are ROHS3 compliant.

Q: Which substitute offers the lowest forward voltage drop?

A: The 1N4385GP-E3/54 specifies the lowest forward voltage at 1.0 V @ 1 A. However, this part uses a different package (DO-204AC/DO-15) compared to the PR1005-T (DO-41). Among DO-41 package equivalents, the 1N4005 series variants specify 1.1 V @ 1 A forward voltage, compared to PR1005-T at 1.2 V @ 1 A.

Q: What is the maximum operating temperature difference between PR1005-T and its substitutes?

A: The PR1005-T operates to 150°C maximum junction temperature. The 1N4005GP-E3/54, 1N4005GP-E3/73, 1N4005RLG, 1N4247, and 1N4385GP-E3/54 all extend to 175°C maximum junction temperature, providing a 25°C advantage. The 1N4937-T and 1N4937G maintain the same 150°C maximum as the PR1005-T.

Q: Can I use the 1N4005RLG as a substitute?

A: The 1N4005RLG is not recommended for new designs. This part carries "Not For New Designs" product status designation and exhibits higher reverse leakage current (10 µA @ 600 V) compared to PR1005-T (5 µA @ 600 V). Use active production alternatives such as 1N4005-TP, 1N4005G, or 1N4005GP-E3/54 instead.

Q: What packaging options are available for 600V/1A rectifier diodes in this comparison?

A: Three through-hole package formats are represented: DO-41 (axial leads, standard diameter), DO-204AL (axial leads, larger diameter), DO-204AC/DO-15 (axial leads, compact), and generic Axial format. The PR1005-T uses DO-41. Substitutes using DO-204AL or DO-15 packages are physically compatible with DO-41 footprints but may require PCB layout verification due to dimensional differences.

Q: Which substitute has the highest inventory availability?

A: The 1N4005-TP (Micro Commercial Co) has the highest inventory at 110625 units in stock, followed by 1N4005GP-E3/54 (Vishay) at 60913 units. The PR1005-T has 5200 units available.

Q: Is the 1N4247 suitable as a substitute?

A: The 1N4247 meets the 600V/1A electrical requirements but has two significant limitations: it is RoHS non-compliant and specifies forward voltage at a different current level (1.3 V @ 3 A versus PR1005-T at 1.2 V @ 1 A). This part should not be selected for applications requiring RoHS3 compliance or where forward voltage characteristics at 1 A are critical.

Q: What is the difference between the 1N4005-E3/54 and 1N4005GP-E3/54?

A: Both are Vishay General Semiconductor 1N4005 variants with 600V/1A ratings and standard recovery characteristics. The 1N4005-E3/54 operates to -55°C minimum and 150°C maximum. The 1N4005GP-E3/54 (SUPERECTIFIER® series) extends to -65°C minimum and 175°C maximum, providing wider temperature range coverage. The 1N4005GP-E3/54 has significantly higher inventory (60913 units) compared to 1N4005-E3/54 (6744 units).

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