1N5398-AP Equivalent & Substitute Parts

Part Overview

The 1N5398-AP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 800 V DC reverse voltage and 1.5 A average rectified current in a DO-15 through-hole package. This part is classified as obsolete, making identification of equivalent and substitute components necessary for ongoing design support and procurement continuity. The 1N5398-AP operates across a junction temperature range of -55°C to 150°C and complies with RoHS3 standards.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	800	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1.1	V @ 1.5 A
Current - Reverse Leakage @ Vr	5	µA @ 800 V
Speed	Standard Recovery >500ns, > 200mA (Io)	-
Capacitance @ Vr, F	20	pF @ 4V, 1MHz
Mounting Type	Through Hole	-
Package / Case	DO-204AC, DO-15, Axial	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the 1N5398-AP is determined by the following critical electrical and mechanical parameters:

Voltage Rating: The substitute must maintain the 800 V DC reverse voltage specification to ensure circuit protection and reliability in high-voltage applications.

Current Rating: The substitute must support the 1.5 A average rectified current requirement. Parts with lower current ratings (such as 1 A) operate at reduced capacity and may not satisfy circuit demands.

Forward Voltage Drop: The substitute forward voltage drop must remain within acceptable limits for the application. Variations in Vf affect power dissipation and circuit efficiency.

Reverse Leakage Current: The substitute must maintain the 5 µA reverse leakage specification to prevent unwanted current flow in reverse bias conditions.

Package and Mounting: The substitute must use the DO-15 through-hole axial package to ensure mechanical and electrical compatibility with existing PCB layouts.

Recovery Speed: The substitute must maintain standard recovery characteristics (>500 ns) to ensure proper switching behavior in rectification circuits.

Substitutes are grouped into two categories: direct equivalents (identical electrical and mechanical specifications) and similar alternatives (matching voltage and package but with acceptable variations in current rating or other secondary parameters).

Parameter Comparison

Parameter	1N5398-AP (Main)	1N5398GP-AP (Direct)	1N5062GP-E3/73 (Similar)
Manufacturer	Micro Commercial Co	Micro Commercial Co	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	800 V	800 V	800 V
Current - Average Rectified (Io)	1.5 A	1.5 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1.5 A	1.4 V @ 1.5 A	1.2 V @ 1 A
Current - Reverse Leakage @ Vr	5 µA @ 800 V	5 µA @ 800 V	5 µA @ 800 V
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)
Capacitance @ Vr, F	20 pF @ 4V, 1MHz	15 pF @ 4V, 1MHz	15 pF @ 4V, 1MHz
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial
Mounting Type	Through Hole	Through Hole	Through Hole
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	-65°C to 175°C
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

1N5398GP-AP (Direct Equivalent - Recommended Primary Substitute)

The 1N5398GP-AP is the direct equivalent substitute for the obsolete 1N5398-AP. Both parts are manufactured by Micro Commercial Co and share identical electrical specifications: 800 V reverse voltage, 1.5 A average rectified current, and DO-15 through-hole package. The 1N5398GP-AP is currently in active production status with 728 units in stock, ensuring procurement availability. Both parts maintain ROHS3 compliance and identical operating temperature ranges. The primary difference is packaging format (Tape & Box for the substitute versus unspecified for the main part) and a marginal increase in forward voltage drop (1.4 V versus 1.1 V at 1.5 A), which represents acceptable variation within standard rectifier diode tolerances. This part is suitable for direct replacement in all applications currently using the 1N5398-AP.

1N5062GP-E3/73 (Similar Alternative - Secondary Substitute)

The 1N5062GP-E3/73 manufactured by Vishay General Semiconductor is a similar alternative that matches the 800 V reverse voltage and DO-15 through-hole package specifications. This part is currently in active production with 4013 units in stock. The key difference is the reduced average rectified current rating of 1 A compared to the 1.5 A requirement of the 1N5398-AP. This substitute is suitable only for applications where the circuit current demand does not exceed 1 A. The 1N5062GP-E3/73 offers an extended operating temperature range (-65°C to 175°C) and includes specified reverse recovery time (2 µs), providing additional performance data. ROHS3 compliance and identical reverse leakage current (5 µA @ 800 V) are maintained. Selection of this part requires confirmation that circuit current requirements do not exceed 1 A.

Frequently Asked Questions (FAQ)

Q: Can the 1N5398GP-AP be used as a direct replacement for the 1N5398-AP?

A: Yes. The 1N5398GP-AP is a direct equivalent with identical electrical specifications (800 V, 1.5 A, DO-15 package) and is currently in active production. The forward voltage drop increase from 1.1 V to 1.4 V at 1.5 A is within standard rectifier diode tolerance ranges and does not affect functional compatibility.

Q: What is the primary limitation of the 1N5062GP-E3/73 as a substitute?

A: The 1N5062GP-E3/73 has a reduced average rectified current rating of 1 A compared to the 1.5 A specification of the 1N5398-AP. This part is suitable only for circuits where the maximum current demand does not exceed 1 A. Using this part in higher-current applications will result in device overstress and potential failure.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. Both the 1N5398GP-AP and 1N5062GP-E3/73 are ROHS3 compliant, matching the compliance status of the original 1N5398-AP.

Q: Do the substitute parts use the same package as the 1N5398-AP?

A: Yes. All substitute parts use the DO-15 through-hole axial package, ensuring mechanical and electrical compatibility with existing PCB layouts designed for the 1N5398-AP.

Q: What is the difference in operating temperature range between the main part and substitutes?

A: The 1N5398-AP and 1N5398GP-AP both operate from -55°C to 150°C. The 1N5062GP-E3/73 offers an extended range of -65°C to 175°C, providing greater thermal margin in extreme temperature environments.

Q: How do the capacitance specifications differ between the parts?

A: The 1N5398-AP has a capacitance of 20 pF @ 4V, 1MHz, while both substitute parts (1N5398GP-AP and 1N5062GP-E3/73) have 15 pF @ 4V, 1MHz. This reduction in capacitance may provide improved high-frequency performance in switching applications.

Q: Is the 1N5398GP-AP available in different packaging formats?

A: Yes. The 1N5398GP-AP is supplied in Tape & Box (TB) packaging, which differs from the unspecified packaging of the original 1N5398-AP. This format is standard for active production components and does not affect electrical or mechanical compatibility.

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