1N5401GP-TP Equivalent & Substitute Parts

Part Overview

The 1N5401GP-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 100 V DC reverse voltage and 3 A average rectified current in a DO-201AD axial through-hole package. This component is classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. Identifying equivalent and substitute parts is necessary to support existing designs, legacy system maintenance, and procurement continuity when the original part becomes unavailable.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.1	V @ 3 A
Speed	Standard Recovery >500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	5	µA @ 100 V
Mounting Type	Through Hole	—
Package / Case	DO-201AD, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the 1N5401GP-TP is determined by the following critical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): 100 V minimum
Current - Average Rectified (Io): 3 A minimum
Speed: Standard Recovery >500ns, > 200mA (Io)
Mounting Type: Through Hole
Package / Case: DO-201AD or equivalent axial configuration

Compliance Requirements:

RoHS3 Compliant
REACH Unaffected
ECCN: EAR99

Substitute parts must meet or exceed all electrical parameters while maintaining mechanical compatibility with the DO-201AD through-hole axial package. Forward voltage (Vf) and reverse leakage current (Ir) variations within the specified ranges do not preclude substitution, provided the primary electrical ratings are satisfied.

Parameter Comparison

Parameter	1N5401GP-TP (Main)	1N5401-E3/73	1N5401RLG	GI501-E3/54
Manufacturer	Micro Commercial Co	Vishay General Semiconductor - Diodes Division	onsemi	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	3 A	3 A	3 A	3 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 3 A	1.2 V @ 3 A	1 V @ 3 A	1.1 V @ 9.4 A
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	5 µA @ 100 V	5 µA @ 100 V	10 µA @ 100 V	5 µA @ 100 V
Capacitance @ Vr, F	40 pF @ 4V, 1MHz	30 pF @ 4V, 1MHz	—	28 pF @ 4V, 1MHz
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-201AD, Axial	DO-201AD, Axial	DO-201AA, DO-27, Axial	DO-201AD, Axial
Operating Temperature - Junction	-55 to 150 °C	-50 to 150 °C	-65 to 150 °C	-50 to 150 °C
Product Status	Not For New Designs	Active	Not For New Designs	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging	Tape & Reel (TR)	Cut Tape (CT)	Cut Tape (CT)	Cut Tape (CT)

Engineering Selection Recommendations

1N5401-E3/73 (Vishay General Semiconductor - Diodes Division)

This part is the preferred substitute. It maintains identical electrical ratings (100 V, 3 A) and package configuration (DO-201AD, Axial). The forward voltage is 1.2 V at 3 A, compared to 1.1 V for the main part, representing a 0.1 V increase within acceptable design margins. The part carries Active product status, ensuring long-term availability and supply chain continuity. RoHS3 compliance and REACH Unaffected status are maintained. Operating temperature range is -50 to 150 °C, which is narrower than the main part (-55 to 150 °C) but suitable for most applications within standard industrial temperature ranges.

GI501-E3/54 (Vishay General Semiconductor - Diodes Division)

This part is an acceptable substitute with identical electrical ratings and package configuration. Forward voltage is specified at 9.4 A rather than 3 A, but the 1.1 V rating at 3 A is equivalent to the main part. Reverse leakage current is 5 µA at 100 V, matching the main part. Capacitance is 28 pF at 4 V, 1 MHz, lower than the main part's 40 pF. The part carries Active product status and maintains RoHS3 compliance. Operating temperature range is -50 to 150 °C. This part is suitable for direct substitution in existing designs.

1N5401RLG (onsemi)

This part meets the core electrical requirements (100 V, 3 A) and is housed in an axial through-hole package (DO-201AA, DO-27). Forward voltage is 1 V at 3 A, lower than the main part. Reverse leakage current is 10 µA at 100 V, which is higher than the main part's 5 µA but remains within acceptable rectifier diode specifications. The part carries "Not For New Designs" status, indicating it is also superseded. Operating temperature range is -65 to 150 °C, providing the widest temperature coverage. This part is electrically compatible but should be considered only when 1N5401-E3/73 or GI501-E3/54 are unavailable, due to its obsolescence status.

Frequently Asked Questions (FAQ)

Q: Can 1N5401-E3/73 be used as a direct replacement for 1N5401GP-TP?

A: Yes. Both parts are rated for 100 V DC reverse voltage and 3 A average rectified current in DO-201AD axial through-hole packages. The forward voltage difference (1.2 V versus 1.1 V at 3 A) is within acceptable design margins for general-purpose rectifier applications. 1N5401-E3/73 carries Active product status, ensuring availability.

Q: What is the difference between GI501-E3/54 and 1N5401-E3/73?

A: Both parts meet the electrical requirements of the main part (100 V, 3 A) and use the DO-201AD package. GI501-E3/54 has a lower capacitance (28 pF versus 30 pF) and is specified with forward voltage at a higher current level (9.4 A versus 3 A). Both are Active products from Vishay. Selection between them depends on application-specific requirements for capacitance and forward voltage characteristics.

Q: Why is 1N5401RLG listed as a substitute if it is "Not For New Designs"?

A: 1N5401RLG meets all electrical and mechanical compatibility requirements for the 1N5401GP-TP. Its "Not For New Designs" status indicates manufacturer obsolescence, not functional incompatibility. It is listed as a substitute for applications requiring component replacement in existing systems where supply of the original part is exhausted. Preference should be given to Active products (1N5401-E3/73 or GI501-E3/54) for new procurement.

Q: Are there package compatibility concerns when substituting these parts?

A: The main part uses DO-201AD package. 1N5401-E3/73 and GI501-E3/54 also use DO-201AD. 1N5401RLG uses DO-201AA or DO-27, which are equivalent axial through-hole packages with the same pin spacing and mechanical footprint. All four parts are mechanically interchangeable in standard through-hole PCB designs.

Q: What is the impact of the reverse leakage current difference between 1N5401GP-TP (5 µA) and 1N5401RLG (10 µA)?

A: The reverse leakage current difference of 5 µA is negligible in most general-purpose rectifier applications. This parameter becomes significant only in high-impedance circuits or precision analog applications. For standard power supply and rectification circuits, both values are acceptable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (1N5401-E3/73, 1N5401RLG, and GI501-E3/54) carry RoHS3 Compliant status and are REACH Unaffected, matching the compliance profile of the main part.

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

A: The main part operates from -55 °C to 150 °C. Substitutes 1N5401-E3/73 and GI501-E3/54 operate from -50 °C to 150 °C, a 5 °C difference at the lower end. 1N5401RLG operates from -65 °C to 150 °C, providing extended low-temperature coverage. For applications requiring operation below -50 °C, 1N5401RLG is the appropriate choice.

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