PR1504S-B Equivalent & Substitute Parts

Part Overview

The PR1504S-B is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 400 V DC reverse voltage and 1.5 A average rectified current in a DO-41 through-hole package. This component is classified as obsolete, indicating discontinuation from the original manufacturer. Identification of equivalent and substitute parts is necessary to maintain design continuity and ensure procurement availability for new production runs, repairs, and legacy system support.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	400 V
Current - Average Rectified (Io)	1.5 A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 1.5 A
Reverse Recovery Time (trr)	150 ns
Current - Reverse Leakage @ Vr	5 µA @ 400 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 PR1504S-B are selected based on the following critical electrical and mechanical parameters:

Voltage Rating Compatibility: All substitute parts maintain the 400 V DC reverse voltage specification, ensuring equivalent blocking capability in circuit applications.

Current Rating Consideration: The PR1504S-B is rated for 1.5 A average rectified current. Substitute parts identified are rated for 1 A, representing a reduced current capacity. These substitutes are applicable only in circuits where the actual operating current does not exceed 1 A.

Package Compatibility: All substitute parts utilize the DO-204AL (DO-41) axial through-hole package, ensuring mechanical and electrical compatibility with existing PCB layouts and component mounting infrastructure.

Recovery Characteristics: The PR1504S-B features fast recovery (≤500 ns, trr = 150 ns). Substitute parts identified feature standard recovery characteristics (>500 ns, trr = 3 µs), indicating slower switching behavior suitable for standard rectification applications but not for high-frequency switching circuits.

Temperature Range: Substitute parts support an extended operating temperature range (-65°C ~ 175°C) compared to the original part (-65°C ~ 150°C), providing additional thermal margin.

Compliance Status: All substitute parts maintain ROHS3 compliance and EAR99 ECCN classification, ensuring regulatory alignment with the original component.

Parameter Comparison

Parameter	PR1504S-B (Original)	BYD13GGPHE3/73	GP10GE-E3/53
Manufacturer	Diodes Incorporated	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Product Status	Obsolete	Active	Active
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	400 V
Current - Average Rectified (Io)	1.5 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 1.5 A	1.1 V @ 1 A	1.1 V @ 1 A
Speed	Fast Recovery ≤ 500ns	Standard Recovery >500ns	Standard Recovery >500ns
Reverse Recovery Time (trr)	150 ns	3 µs	3 µs
Current - Reverse Leakage @ Vr	5 µA @ 400 V	5 µA @ 200 V	5 µA @ 400 V
Capacitance @ Vr, F	20 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz	8 pF @ 4V, 1MHz
Package / Case	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial
Operating Temperature - Junction	-65°C ~ 150°C	-65°C ~ 175°C	-65°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99	EAR99
HTSUS	8541.10.0080	8541.10.0080	8541.10.0080

Engineering Selection Recommendations

For Active Production and New Designs:

Both BYD13GGPHE3/73 and GP10GE-E3/53 are classified as active products with current manufacturer support and availability. These parts are suitable for new designs and ongoing production where component procurement is required.

Current Rating Limitation:

The identified substitute parts are rated for 1 A average rectified current, compared to the original PR1504S-B rating of 1.5 A. Circuit designs must operate within the 1 A maximum current specification. Applications requiring sustained currents above 1 A are not compatible with these substitutes.

Recovery Characteristic Consideration:

The PR1504S-B features fast recovery characteristics (150 ns), while substitute parts feature standard recovery characteristics (3 µs). In applications where switching frequency or transient response is critical, the performance difference must be evaluated against circuit requirements.

Compliance and Regulatory Alignment:

Both substitute parts maintain ROHS3 compliance, EAR99 ECCN classification, and unlimited moisture sensitivity level (MSL 1), ensuring regulatory and environmental compliance equivalent to the original component.

Temperature Operating Range:

Substitute parts support an extended maximum junction temperature of 175°C compared to the original 150°C specification, providing additional thermal margin in temperature-sensitive applications.

Reverse Leakage Specification:

GP10GE-E3/53 maintains the 5 µA reverse leakage specification at 400 V, matching the original part. BYD13GGPHE3/73 specifies 5 µA reverse leakage at 200 V, representing a reduced voltage reference point for this parameter.

Frequently Asked Questions (FAQ)

Q: Can the BYD13GGPHE3/73 or GP10GE-E3/53 be used as direct replacements for the PR1504S-B in all applications?

A: Direct replacement is limited by current rating. Both substitute parts are rated for 1 A average rectified current, while the original PR1504S-B is rated for 1.5 A. Substitution is valid only in circuits where the actual operating current does not exceed 1 A. Applications requiring the full 1.5 A capacity require alternative parts.

Q: What is the impact of the different recovery time specifications?

A: The PR1504S-B features fast recovery (150 ns), while substitute parts feature standard recovery (3 µs). In standard rectification applications operating at line frequency (50/60 Hz), this difference has minimal impact. In high-frequency switching applications, the slower recovery time of substitute parts may affect circuit performance and efficiency.

Q: Are the substitute parts mechanically compatible with existing PCB layouts designed for the PR1504S-B?

A: Yes. Both substitute parts use the DO-204AL (DO-41) axial through-hole package, identical to the original PR1504S-B. No PCB layout modifications are required for mechanical compatibility.

Q: What is the difference between BYD13GGPHE3/73 and GP10GE-E3/53?

A: Both parts share identical electrical specifications (400 V, 1 A, standard recovery). The primary difference is the reverse leakage specification: BYD13GGPHE3/73 specifies 5 µA at 200 V, while GP10GE-E3/53 specifies 5 µA at 400 V. For applications sensitive to leakage current at full voltage rating, GP10GE-E3/53 provides specification alignment with the original PR1504S-B.

Q: Are both substitute parts currently available from suppliers?

A: Both BYD13GGPHE3/73 and GP10GE-E3/53 are classified as active products. Inventory availability varies by supplier and region. Consult component distributors for current stock status and lead times.

Q: Do the substitute parts meet the same environmental and regulatory requirements as the PR1504S-B?

A: Yes. Both substitute parts are ROHS3 compliant, classified as EAR99 for export control purposes, and carry MSL 1 (unlimited) moisture sensitivity level, matching the original component's compliance profile.

Q: Can the PR1504S-B be used in applications designed for the substitute parts?

A: The PR1504S-B can be used in applications designed for the substitute parts, provided the circuit does not require the extended temperature range (175°C) of the substitutes. The higher current rating (1.5 A) and faster recovery time (150 ns) of the PR1504S-B provide additional performance margin in standard rectification applications.

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