Equivalent & Substitute Parts for 1N5396

Part Overview

The 1N5396 is a general-purpose rectifier diode manufactured by onsemi, rated for 500 V DC reverse voltage and 1.5 A average rectified current in a DO-15 through-hole axial package. This part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and procurement needs. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives within acceptable parameter variations for the intended application.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	500	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1.4 @ 1.5	V @ A
Current - Reverse Leakage @ Vr	5	µA @ 500 V
Speed	Standard Recovery >500ns	-
Mounting Type	Through Hole	-
Package / Case	DO-204AC, DO-15, Axial	-
Operating Temperature - Junction	-55 to 150	°C

Substitute Part Grouping Explanation

Substitute parts for the 1N5396 are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalent: Parts that maintain all critical electrical specifications (500 V reverse voltage, 1.5 A average rectified current, 1.4 V forward voltage drop, standard recovery speed) and identical package form factors. These parts are direct functional replacements.

Functional Substitute: Parts that operate within acceptable parameter ranges for general-purpose rectification applications but may differ in secondary characteristics such as reverse recovery time, reverse leakage current, or capacitance. These parts are suitable for applications where the primary voltage and current ratings are the controlling factors.

The key parameters determining substitution eligibility are:

Voltage - DC Reverse (Vr) (Max): minimum 500 V
Current - Average Rectified (Io): minimum 1.5 A
Voltage - Forward (Vf) (Max) @ If: maximum 1.4 V @ 1.5 A
Mounting Type: Through Hole
Package compatibility: DO-15 or equivalent axial form factor

Parameter Comparison

Parameter	1N5396 (onsemi)	1N5396-E3/54 (Vishay)	1N6621 (Microchip)	PG5396_R2_00001 (Panjit)
Voltage - DC Reverse (Vr) (Max)	500 V	500 V	440 V	500 V
Current - Average Rectified (Io)	1.5 A	1.5 A	1.2 A	1.5 A
Voltage - Forward (Vf) (Max) @ If	1.4 V @ 1.5 A	1.4 V @ 1.5 A	1.4 V @ 1.2 A	1.4 V @ 1.5 A
Speed	Standard Recovery >500ns	Standard Recovery >500ns	Fast Recovery ≤500ns	Standard Recovery >500ns
Current - Reverse Leakage @ Vr	5 µA @ 500 V	5 µA @ 500 V	500 nA @ 440 V	1 µA @ 500 V
Capacitance @ Vr, F	25 pF @ 4V, 1MHz	15 pF @ 4V, 1MHz	10 pF @ 10V, 1MHz	25 pF @ 4V, 1MHz
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AC, DO-15	DO-204AL, DO-41	A, Axial	DO-204AC, DO-15
Operating Temperature - Junction	-55 to 150°C	-50 to 150°C	-65 to 150°C	-55 to 150°C
Product Status	Obsolete	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant

Engineering Selection Recommendations

1N5396-E3/54 (Vishay General Semiconductor - Diodes Division)

This part is a parametric equivalent with identical voltage and current ratings (500 V, 1.5 A) and matching forward voltage characteristics. The primary difference is the package designation (DO-204AL/DO-41 versus DO-15), which represents a minor physical variation within the axial through-hole family. This part is currently active and ROHS3 compliant, making it suitable for new designs and ongoing production. The slightly lower capacitance (15 pF versus 25 pF) may provide marginal benefits in high-frequency applications.

PG5396_R2_00001 (Panjit International Inc.)

This part is a parametric equivalent maintaining all critical electrical specifications (500 V, 1.5 A, 1.4 V forward voltage) and identical package form factor (DO-15). The reverse leakage current is lower (1 µA versus 5 µA), indicating superior leakage characteristics. This part is currently active and ROHS3 compliant. The identical package designation and electrical ratings make this a direct replacement option.

1N6621 (Microchip Technology)

This part is a functional substitute with reduced voltage and current ratings (440 V, 1.2 A). The 440 V reverse voltage rating is 60 V lower than the 1N5396, and the 1.2 A current rating is 0.3 A lower. This part exhibits fast recovery characteristics (≤500ns versus >500ns) and significantly lower reverse leakage (500 nA). This part is suitable only for applications where the reduced voltage and current ratings are acceptable. The part is RoHS non-compliant, which may restrict use in regulated industries.

Frequently Asked Questions (FAQ)

Q: Can the 1N5396-E3/54 be used as a direct replacement for the 1N5396?

A: Yes. The 1N5396-E3/54 maintains identical electrical specifications (500 V reverse voltage, 1.5 A average rectified current, 1.4 V forward voltage drop) and operates within the same temperature range. The package designation difference (DO-204AL/DO-41 versus DO-15) represents a minor physical variation within the axial through-hole family and does not affect electrical performance or board-level compatibility for standard through-hole mounting applications.

Q: Is the PG5396_R2_00001 suitable for all applications using the 1N5396?

A: Yes. The PG5396_R2_00001 is a parametric equivalent with identical voltage (500 V), current (1.5 A), and forward voltage (1.4 V) specifications. The package form factor is identical (DO-15). The lower reverse leakage current (1 µA versus 5 µA) represents an improvement in leakage characteristics and does not restrict compatibility.

Q: Can the 1N6621 replace the 1N5396 in all circuits?

A: No. The 1N6621 has reduced voltage (440 V versus 500 V) and current (1.2 A versus 1.5 A) ratings. It is suitable only for applications where these reduced ratings are acceptable. Circuits designed for 500 V operation or requiring 1.5 A current capacity must not use the 1N6621 as a replacement.

Q: What is the difference between DO-15 and DO-204AL packages?

A: Both are axial through-hole packages for rectifier diodes. DO-15 and DO-204AL (DO-41) represent different package designations for similar form factors. Physical dimensions may vary slightly, but both are compatible with standard through-hole PCB mounting. Verify PCB footprint compatibility before substitution.

Q: Why is the 1N5396 listed as obsolete?

A: The 1N5396 is no longer manufactured by onsemi. Active equivalent parts (1N5396-E3/54 and PG5396_R2_00001) are available from alternative manufacturers and should be used for new designs and ongoing production requirements.

Q: Are there compliance differences between the substitute parts?

A: Yes. The 1N5396-E3/54 and PG5396_R2_00001 are ROHS3 compliant, while the 1N6621 is RoHS non-compliant. For applications requiring RoHS compliance, use either the 1N5396-E3/54 or PG5396_R2_00001.

Q: What is the significance of reverse recovery time differences?

A: Reverse recovery time affects switching speed in high-frequency applications. The 1N5396, 1N5396-E3/54, and PG5396_R2_00001 have standard recovery characteristics (>500ns), while the 1N6621 has fast recovery (≤500ns, 30 ns typical). For standard rectification applications, this difference is not significant. For high-frequency switching applications, fast recovery characteristics may be beneficial.

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