MUR140GP-AP Equivalent & Substitute Parts

Part Overview

The MUR140GP-AP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 400 V DC reverse voltage and 1 A average rectified current in a through-hole DO-41 package. This component is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified when circuit designs require alternative sourcing, inventory availability, or when original manufacturer components are discontinued or unavailable from primary suppliers.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	400 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.35 V @ 1 A
Reverse Recovery Time (trr)	45 ns
Current - Reverse Leakage @ Vr	5 µA @ 400 V
Package / Case	DO-204AL, DO-41, Axial
Mounting Type	Through Hole
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the MUR140GP-AP is determined by equivalence in the following critical parameters:

Voltage Rating: DC reverse voltage of 400 V (maximum)
Current Rating: Average rectified current of 1 A
Package Type: DO-41 / DO-204AL through-hole axial configuration
Mounting: Through-hole technology
Compliance: RoHS3 compliance and REACH unaffected status
Temperature Range: Operating junction temperature compatibility

The substitute part 1N4004-E3/73 meets all mandatory electrical and mechanical requirements for direct substitution. Both components share identical voltage and current ratings, compatible package designations, and equivalent regulatory compliance certifications.

Parameter Comparison

Parameter	MUR140GP-AP (Micro Commercial Co)	1N4004-E3/73 (Vishay)	Compatibility
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	Equivalent
Current - Average Rectified (Io)	1 A	1 A	Equivalent
Voltage - Forward (Vf) (Max) @ If	1.35 V @ 1 A	1.1 V @ 1 A	Compatible (1N4004-E3/73 lower)
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Standard Recovery > 500ns, > 200mA	Different (MUR140GP-AP faster)
Reverse Recovery Time (trr)	45 ns	Not specified	MUR140GP-AP specified
Current - Reverse Leakage @ Vr	5 µA @ 400 V	5 µA @ 400 V	Equivalent
Capacitance @ Vr, F	10 pF @ 4V, 1MHz	15 pF @ 4V, 1MHz	Compatible (1N4004-E3/73 higher)
Package / Case	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	Equivalent
Operating Temperature - Junction	-65°C ~ 150°C	-55°C ~ 150°C	Compatible (MUR140GP-AP wider range)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent

Engineering Selection Recommendations

Both the MUR140GP-AP and 1N4004-E3/73 are Active product status components with full RoHS3 compliance and REACH unaffected certification, qualifying them for equivalent use in applications requiring 400 V, 1 A general-purpose rectification in through-hole DO-41 packages.

The MUR140GP-AP features fast recovery characteristics (45 ns trr) and an extended lower operating temperature limit (-65°C), making it suitable for high-frequency switching applications and wide temperature range environments. The 1N4004-E3/73 operates with standard recovery speed and a minimum junction temperature of -55°C, appropriate for conventional rectification circuits within standard industrial temperature ranges.

Selection between these components depends on application-specific requirements for recovery speed and temperature extremes. Both components satisfy the core electrical and mechanical substitution criteria for 400 V, 1 A rectifier diode applications.

Frequently Asked Questions (FAQ)

Q: Can the 1N4004-E3/73 directly replace the MUR140GP-AP in all applications?

A: The 1N4004-E3/73 is electrically compatible for voltage and current ratings. However, the MUR140GP-AP features faster recovery time (45 ns versus unspecified standard recovery). Applications sensitive to switching speed or operating below -55°C require verification of circuit performance with the substitute part.

Q: What is the significance of the recovery speed difference?

A: The MUR140GP-AP is classified as fast recovery (≤ 500 ns), while the 1N4004-E3/73 is standard recovery (> 500 ns). Fast recovery diodes exhibit lower reverse recovery charge, reducing switching losses in high-frequency circuits. Standard recovery diodes are suitable for line-frequency and low-frequency rectification.

Q: Are the DO-41 and DO-204AL package designations interchangeable?

A: Yes. DO-41 and DO-204AL refer to the same through-hole axial package configuration. Both the MUR140GP-AP and 1N4004-E3/73 use this identical package type, ensuring mechanical and electrical compatibility on printed circuit boards.

Q: What is the temperature range difference between these parts?

A: The MUR140GP-AP operates from -65°C to 150°C junction temperature, while the 1N4004-E3/73 operates from -55°C to 150°C. The MUR140GP-AP supports 10°C lower minimum temperature operation. Applications requiring operation below -55°C require the MUR140GP-AP.

Q: Do both parts meet current regulatory compliance requirements?

A: Yes. Both the MUR140GP-AP and 1N4004-E3/73 are RoHS3 compliant and REACH unaffected, meeting current electronic component regulatory standards for commercial and industrial applications.

Q: What is the difference in forward voltage drop?

A: The MUR140GP-AP exhibits 1.35 V forward voltage at 1 A, while the 1N4004-E3/73 exhibits 1.1 V at 1 A. The lower forward voltage of the 1N4004-E3/73 results in reduced power dissipation in rectification circuits, a secondary consideration for general-purpose applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message