MURA160T3 Equivalent & Substitute Parts

Part Overview

The MURA160T3 is an ultrafast recovery rectifier diode rated for 600 V DC reverse voltage with 2 A average rectified current in a surface mount SMA package. Manufactured by onsemi, this component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design requirements and procurement needs. The part operates with a forward voltage of 1.25 V at 1 A and features a reverse recovery time of 75 ns, making it suitable for high-frequency switching applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.25 @ 1 A	V
Reverse Recovery Time (trr)	75	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Package / Case	DO-214AC, SMA	—
Mounting Type	Surface Mount	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution of the MURA160T3 is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Package / Case: DO-214AC, SMA surface mount
Mounting Type: Surface Mount
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr): ≤ 75 ns preferred for performance equivalence

Current Rating Consideration: The MURA160T3 is rated for 2 A average rectified current. Substitute parts may operate at equal or higher current ratings while maintaining the same voltage and package specifications. Parts rated below 2 A are not suitable direct substitutes.

Compliance Consideration: The MURA160T3 is RoHS non-compliant. Active substitute parts meeting RoHS3 compliance are available and represent modern alternatives for new designs.

Parameter Comparison

Parameter	MURA160T3	MURA160T3G	S1JH	VS-3EMH06-M3/5AT
Manufacturer	onsemi	onsemi	Taiwan Semiconductor Corporation	Vishay General Semiconductor - Diodes Division
Product Status	Obsolete	Active	Active	Active
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	2 A	1 A	1 A	3 A
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 1 A	1.25 V @ 1 A	1.1 V @ 1 A	1.7 V @ 3 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	75 ns	75 ns	1.5 µs	25 ns
Current - Reverse Leakage @ Vr	5 µA @ 600 V	5 µA @ 600 V	1 µA @ 600 V	3 µA @ 600 V
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Operating Temperature - Junction	—	-65°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C

Engineering Selection Recommendations

MURA160T3G (onsemi): This part is the direct manufacturer equivalent from onsemi. It maintains identical electrical specifications including 600 V reverse voltage, 75 ns reverse recovery time, and fast recovery speed classification. The primary difference is reduced current rating (1 A versus 2 A) and active product status with ROHS3 compliance. This substitute is suitable for applications where the 1 A current rating is sufficient. The identical reverse recovery time ensures equivalent switching performance.

S1JH (Taiwan Semiconductor Corporation): This part shares the 600 V voltage rating and DO-214AC SMA package with the MURA160T3. However, it operates with standard recovery speed (>500ns) and 1.5 µs reverse recovery time, which differs significantly from the fast recovery characteristics of the original part. The S1JH is rated for 1 A current and includes AEC-Q101 automotive qualification. This substitute is applicable only in applications where standard recovery speed is acceptable and current requirements do not exceed 1 A.

VS-3EMH06-M3/5AT (Vishay General Semiconductor - Diodes Division): This part maintains the 600 V voltage rating and DO-214AC SMA package. It is rated for 3 A average rectified current, exceeding the MURA160T3 specification. The reverse recovery time is 25 ns, which is superior to the original 75 ns specification. It operates with fast recovery speed classification. This substitute is suitable for applications requiring higher current capacity or improved switching performance. The FRED Pt® series designation indicates optimized fast recovery characteristics.

Compliance and Availability: All three substitute parts are active products with ROHS3 compliance, addressing the obsolete status and non-compliance of the MURA160T3. Inventory availability is confirmed for all substitutes, with MURA160T3G offering the highest stock level (205,100 pcs).

Frequently Asked Questions (FAQ)

Q: Can MURA160T3G be used as a direct replacement for MURA160T3?

A: MURA160T3G is a direct manufacturer equivalent with identical electrical specifications including voltage rating, forward voltage, and reverse recovery time. The current rating is reduced from 2 A to 1 A. Substitution is valid for applications where the 1 A current requirement is satisfied. Both parts share the same base product number (MURA160) and package specifications.

Q: What is the primary difference between MURA160T3 and S1JH?

A: The primary difference is recovery speed classification. MURA160T3 operates with fast recovery (≤ 500ns, trr = 75 ns), while S1JH operates with standard recovery (>500ns, trr = 1.5 µs). Both are rated for 600 V and 1 A in DO-214AC SMA packages. S1JH is suitable only for applications where standard recovery speed is acceptable.

Q: Is VS-3EMH06-M3/5AT a suitable substitute for MURA160T3?

A: VS-3EMH06-M3/5AT maintains the 600 V voltage rating and DO-214AC SMA package. It is rated for 3 A current (higher than the original 2 A) and features superior reverse recovery time (25 ns versus 75 ns). This part is suitable for applications requiring equal or higher current capacity and can provide improved switching performance due to faster recovery characteristics.

Q: Why is RoHS compliance important for substitution?

A: The MURA160T3 is RoHS non-compliant, reflecting its obsolete status. All substitute parts (MURA160T3G, S1JH, VS-3EMH06-M3/5AT) are ROHS3 compliant, meeting current regulatory requirements for new designs and manufacturing processes. Compliance status affects procurement eligibility and long-term supply chain viability.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are available in DO-214AC SMA surface mount packages, matching the MURA160T3 mechanical specifications. Packaging options differ by supplier: MURA160T3G is available in Cut Tape (CT) and Digi-Reel®, while S1JH and VS-3EMH06-M3/5AT are available in Tape & Reel (TR) format. Surface mount mounting type is consistent across all parts.

Q: What current rating should be selected when substituting MURA160T3?

A: The MURA160T3 is rated for 2 A average rectified current. MURA160T3G and S1JH are rated for 1 A, suitable only if application current does not exceed 1 A. VS-3EMH06-M3/5AT is rated for 3 A, providing margin above the original specification. Current rating selection depends on actual circuit requirements and thermal management considerations.

Q: How does reverse recovery time affect circuit performance?

A: Reverse recovery time (trr) determines switching speed and affects efficiency in high-frequency applications. MURA160T3 and MURA160T3G both feature 75 ns recovery time. S1JH has 1.5 µs recovery time, significantly slower. VS-3EMH06-M3/5AT has 25 ns recovery time, faster than the original. Faster recovery reduces switching losses but may require circuit design adjustments for EMI management.

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