MURA130T3G Equivalent & Substitute Parts

Part Overview

The MURA130T3G is a general-purpose rectifier diode manufactured by onsemi, rated for 300 V DC reverse voltage and 2 A average rectified current in a surface mount SMA package. This device is classified as Last Time Buy, indicating discontinued production with limited remaining inventory. Identification of equivalent and substitute parts is necessary to ensure design continuity and procurement flexibility for applications requiring this diode's electrical and mechanical characteristics.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	300	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	V
Reverse Recovery Time (trr)	65	ns
Current - Reverse Leakage @ Vr	5 µA @ 300 V	µA
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Mounting Type	Surface Mount	-
Package / Case	DO-214AC, SMA	-
Operating Temperature - Junction	-65 to 175	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the MURA130T3G is determined by the following critical parameters:

Electrical Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 300 V
Current - Average Rectified (Io): Must equal or exceed 2 A
Voltage - Forward (Vf) (Max) @ If: Must not exceed 1.1 V @ 1 A
Reverse Recovery Time (trr): Must not exceed 65 ns (fast recovery requirement)
Current - Reverse Leakage @ Vr: Must not exceed 5 µA @ 300 V

Mechanical Compatibility Criteria:

Mounting Type: Surface Mount (preferred for direct replacement)
Package / Case: DO-214AC, SMA (preferred for direct replacement)

Compliance Criteria:

RoHS Status: ROHS3 Compliant
Operating Temperature Range: -65°C to 175°C

Substitute parts are classified into two categories: parametric equivalents (identical electrical and mechanical specifications) and similar parts (compatible electrical performance with different mounting or package configurations).

Parameter Comparison

Parameter	MURA130T3G (Main)	SURA8130T3G-GA01 (Parametric Equivalent)	1N4004-T (Similar)	ES1F (Similar)
Manufacturer	onsemi	onsemi	Diodes Incorporated	Sanken Electric USA Inc.
Voltage - DC Reverse (Vr) (Max)	300 V	300 V	400 V	1500 V
Current - Average Rectified (Io)	2 A	2 A	1 A	500 mA
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A	1 V @ 1 A	2 V @ 500 mA
Reverse Recovery Time (trr)	65 ns	65 ns	Not specified	1.5 µs
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Standard Recovery >500ns, > 200mA	Standard Recovery >500ns, > 200mA
Current - Reverse Leakage @ Vr	5 µA @ 300 V	5 µA @ 300 V	5 µA @ 400 V	10 µA @ 1500 V
Mounting Type	Surface Mount	Surface Mount	Through Hole	Through Hole
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-204AL, DO-41, Axial	Axial
Operating Temperature - Junction	-65 to 175°C	-65 to 175°C	-65 to 150°C	-40 to 150°C
Product Status	Last Time Buy	Active	Last Time Buy	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant

Engineering Selection Recommendations

SURA8130T3G-GA01 (Parametric Equivalent - Recommended for Direct Replacement)

The SURA8130T3G-GA01 is a parametric equivalent to the MURA130T3G with identical electrical specifications and mechanical packaging. Both devices are manufactured by onsemi, rated for 300 V DC reverse voltage and 2 A average rectified current, and packaged in DO-214AC SMA surface mount configuration. The SURA8130T3G-GA01 carries Active product status with AEC-Q101 automotive qualification, providing design continuity with enhanced availability. This part is suitable for direct substitution in all applications where the MURA130T3G was originally specified.

1N4004-T (Similar Part - Limited Substitution)

The 1N4004-T is a general-purpose rectifier diode with 400 V DC reverse voltage rating and 1 A average rectified current. While this part exceeds the voltage requirement of the MURA130T3G, it does not meet the current requirement (1 A versus 2 A). The 1N4004-T is packaged in through-hole DO-41 configuration, requiring circuit board redesign for mounting compatibility. This part is classified as Last Time Buy. Substitution is not recommended for applications requiring the full 2 A current rating.

ES1F (Similar Part - Not Recommended)

The ES1F is a fast recovery diode rated for 1500 V DC reverse voltage and 500 mA average rectified current in through-hole axial package. This part significantly exceeds the voltage requirement while falling substantially short of the current requirement (500 mA versus 2 A). The forward voltage drop is elevated at 2 V @ 500 mA. Substitution is not suitable for applications requiring 2 A current capacity.

Frequently Asked Questions (FAQ)

Q: Can the SURA8130T3G-GA01 be used as a direct replacement for the MURA130T3G?

A: Yes. The SURA8130T3G-GA01 is a parametric equivalent with identical voltage rating (300 V), current rating (2 A), forward voltage drop (1.1 V @ 1 A), reverse recovery time (65 ns), and package configuration (DO-214AC SMA surface mount). No circuit modifications are required.

Q: Why is the 1N4004-T listed as a substitute if it has lower current rating?

A: The 1N4004-T is listed based on the provided substitute data but does not meet the full electrical requirements of the MURA130T3G. Applications requiring 2 A current capacity cannot use this part. It is suitable only for designs where current demand does not exceed 1 A.

Q: What is the primary difference between the MURA130T3G and ES1F?

A: The MURA130T3G is optimized for 300 V, 2 A applications with fast recovery characteristics (65 ns). The ES1F is designed for high-voltage applications (1500 V) with significantly reduced current capacity (500 mA) and slower recovery time (1.5 µs). These devices serve different application requirements and are not interchangeable.

Q: Does the SURA8130T3G-GA01 have automotive qualification?

A: Yes. The SURA8130T3G-GA01 carries AEC-Q101 automotive qualification, making it suitable for automotive applications requiring enhanced reliability standards.

Q: What mounting considerations apply when substituting the MURA130T3G?

A: The MURA130T3G and SURA8130T3G-GA01 both use surface mount SMA packaging (DO-214AC), allowing direct board-level substitution without layout modifications. The 1N4004-T and ES1F require through-hole mounting and necessitate circuit board redesign.

Q: Are all substitute parts RoHS compliant?

A: The MURA130T3G, SURA8130T3G-GA01, and 1N4004-T are ROHS3 Compliant. The ES1F is RoHS Compliant. All parts meet applicable environmental compliance standards.

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

A: The MURA130T3G and SURA8130T3G-GA01 operate from -65°C to 175°C. The 1N4004-T operates from -65°C to 150°C. The ES1F operates from -40°C to 150°C. Applications requiring the full -65°C lower temperature limit must use the MURA130T3G or SURA8130T3G-GA01.

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