MURA215T3G Equivalent & Substitute Parts

Part Overview

The MURA215T3G is a general-purpose rectifier diode manufactured by onsemi, rated for 150 V DC reverse voltage and 2 A average rectified current in a surface mount SMA package. This component is classified as Last Time Buy, indicating discontinued production with limited inventory availability. Identification of equivalent and substitute parts is necessary to ensure design continuity and procurement flexibility for applications requiring this diode specification or compatible alternatives.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	150 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 2 A
Reverse Recovery Time (trr)	35 ns
Current - Reverse Leakage @ Vr	2 µA @ 150 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Package / Case	DO-214AC, SMA
Mounting Type	Surface Mount
Operating Temperature - Junction	-65°C ~ 175°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MURA215T3G is determined by the following critical parameters: maximum reverse voltage (150 V), average rectified current (2 A), forward voltage drop characteristics, recovery time classification, and surface mount SMA package compatibility. Parts are grouped into two categories:

Parametric Equivalent (Direct Replacement): Parts matching all electrical specifications and package requirements with identical voltage and current ratings.

Similar Equivalent (Application-Dependent): Parts with comparable electrical performance but variations in specific parameters such as forward voltage, reverse recovery time, reverse leakage current, or operating temperature range. These require circuit-level evaluation for compatibility.

The following key parameters determine substitution eligibility:

Voltage - DC Reverse (Vr) (Max): 150 V minimum
Current - Average Rectified (Io): 2 A minimum
Package / Case: DO-214AC, SMA
Mounting Type: Surface Mount
Technology: Standard or Super Barrier

Parameter Comparison

Parameter	MURA215T3G (Main)	SURA8215T3G-GA01	ES2CA-13-F	SBR2U150SA-13	US1D-E3/61T
Manufacturer	onsemi	onsemi	Diodes Incorporated	Diodes Incorporated	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	150 V	150 V	150 V	150 V	200 V
Current - Average Rectified (Io)	2 A	2 A	2 A	2 A	1 A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 2 A	950 mV @ 2 A	920 mV @ 2 A	800 mV @ 2 A	1 V @ 1 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Standard Recovery >500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr)	35 ns	35 ns	25 ns	Not specified	50 ns
Current - Reverse Leakage @ Vr	2 µA @ 150 V	2 µA @ 150 V	5 µA @ 150 V	75 µA @ 150 V	10 µA @ 200 V
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA
Operating Temperature - Junction	-65°C ~ 175°C	-65°C ~ 175°C	-55°C ~ 150°C	-65°C ~ 175°C	-55°C ~ 150°C
Product Status	Last Time Buy	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

SURA8215T3G-GA01 (onsemi): This part is a parametric equivalent with identical electrical specifications to the MURA215T3G. It matches all critical parameters including voltage rating, current capacity, forward voltage, and reverse recovery time. The SURA8215T3G-GA01 is actively produced and carries AEC-Q101 automotive qualification, making it suitable for applications requiring automotive-grade reliability. This part is the primary recommendation for direct replacement.

ES2CA-13-F (Diodes Incorporated): This part meets the voltage and current requirements with comparable fast recovery characteristics. It features a lower reverse recovery time (25 ns) and slightly lower forward voltage (920 mV @ 2 A), resulting in reduced power dissipation. However, the operating temperature range is limited to -55°C ~ 150°C compared to the main part's -65°C ~ 175°C. This part is suitable for applications where the narrower temperature range is acceptable and lower forward voltage is beneficial.

SBR2U150SA-13 (Diodes Incorporated): This part uses Super Barrier technology and provides the same voltage and current ratings. It offers significantly lower forward voltage (800 mV @ 2 A), reducing power dissipation and heat generation. However, it exhibits higher reverse leakage current (75 µA @ 150 V) and standard recovery speed (>500ns), making it unsuitable for high-frequency switching applications. This part is applicable only in low-frequency rectification circuits where the lower forward voltage is advantageous.

US1D-E3/61T (Vishay General Semiconductor): This part has a higher voltage rating (200 V) but lower current capacity (1 A). It does not meet the 2 A current requirement of the main part and is not suitable as a direct substitute. This part may be considered only in applications where the 2 A current requirement can be reduced or where higher voltage margin is required.

Frequently Asked Questions (FAQ)

Q: Can SURA8215T3G-GA01 be used as a direct replacement for MURA215T3G?

A: Yes. The SURA8215T3G-GA01 is a parametric equivalent with identical voltage (150 V), current (2 A), forward voltage (950 mV @ 2 A), and reverse recovery time (35 ns) specifications. Both parts use the same DO-214AC SMA package and surface mount technology. The SURA8215T3G-GA01 is actively produced and recommended for design continuity.

Q: What is the difference between ES2CA-13-F and MURA215T3G?

A: Both parts share the same 150 V voltage rating, 2 A current capacity, and SMA package. The ES2CA-13-F has a lower reverse recovery time (25 ns versus 35 ns) and lower forward voltage (920 mV versus 950 mV @ 2 A), resulting in improved efficiency. The operating temperature range is narrower (-55°C ~ 150°C versus -65°C ~ 175°C). Selection depends on whether the temperature range limitation is acceptable for the application.

Q: Why is SBR2U150SA-13 not recommended as a direct substitute?

A: While SBR2U150SA-13 meets the voltage and current requirements, it uses Super Barrier technology with standard recovery speed (>500ns) rather than fast recovery (≤500ns). This makes it unsuitable for high-frequency switching applications. Additionally, the reverse leakage current is significantly higher (75 µA versus 2 µA @ 150 V), which may cause excessive leakage in certain circuit topologies. This part is applicable only in low-frequency rectification where these characteristics are acceptable.

Q: Can US1D-E3/61T replace MURA215T3G?

A: No. The US1D-E3/61T has a lower average rectified current rating (1 A versus 2 A), making it unsuitable for applications requiring 2 A current capacity. Although it has a higher voltage rating (200 V), this does not compensate for the insufficient current capacity. This part cannot be used as a substitute.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (SURA8215T3G-GA01, ES2CA-13-F, SBR2U150SA-13, and US1D-E3/61T) are ROHS3 compliant and have MSL rating of 1 (Unlimited), matching the environmental compliance of the main part.

Q: What is the significance of the Last Time Buy status for MURA215T3G?

A: Last Time Buy status indicates that onsemi has discontinued production of the MURA215T3G. Existing inventory is limited (388,350 pcs), and no further production is planned. For long-term design continuity and future procurement, transition to an actively produced equivalent such as SURA8215T3G-GA01 is necessary.

Q: Do all substitute parts use the same SMA package?

A: Yes. All substitute parts use the DO-214AC SMA package with surface mount technology, ensuring mechanical and electrical compatibility with existing PCB layouts and assembly processes.

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