ES3J Equivalent & Substitute Parts

Part Overview

The ES3J is an active, surface mount superfast recovery diode manufactured by Diotec Semiconductor, rated for 600 V DC reverse voltage and 3 A average rectified current. This component is designed for general-purpose rectification applications requiring fast recovery characteristics in a compact SMC (DO-214AB) package. The part is ROHS3 compliant and currently in active production with substantial inventory availability. Equivalent and substitute parts are identified to support procurement flexibility, design redundancy, and supply chain continuity.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.5 @ 3 A	V
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Package / Case	DO-214AB, SMC	—
Operating Temperature - Junction	-50 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the ES3J with the MURS360T3G is based on electrical and mechanical parameter equivalence within the allowed specifications for this diode category. Both parts share identical maximum reverse voltage (600 V) and average rectified current (3 A) ratings, enabling direct functional replacement in 600 V / 3 A rectification circuits. Both components utilize the same SMC (DO-214AB) surface mount package, ensuring mechanical and thermal compatibility on printed circuit boards.

The substitution logic is determined by the following key parameters:

Voltage - DC Reverse (Vr) (Max): 600 V (identical)
Current - Average Rectified (Io): 3 A (identical)
Package / Case: DO-214AB, SMC (identical)
Mounting Type: Surface Mount (identical)
Speed Classification: Fast Recovery (both compliant)
RoHS Status: ROHS3 Compliant (both compliant)

Parameter Comparison

Parameter	ES3J (Diotec)	MURS360T3G (onsemi)	Unit
Manufacturer	Diotec Semiconductor	onsemi	—
Voltage - DC Reverse (Vr) (Max)	600	600	V
Current - Average Rectified (Io)	3	3	A
Voltage - Forward (Vf) (Max) @ If	1.5 @ 3 A	1.25 @ 3 A	V
Reverse Recovery Time (trr)	35	75	ns
Current - Reverse Leakage @ Vr	5	10	µA @ 600 V
Package / Case	DO-214AB, SMC	DO-214AB, SMC	—
Mounting Type	Surface Mount	Surface Mount	—
Operating Temperature - Junction	-50 to 150	-65 to 175	°C
Product Status	Active	Active	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	—
REACH Status	REACH Unaffected	REACH Unaffected	—

Engineering Selection Recommendations

Both the ES3J and MURS360T3G are active production components with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement.

The ES3J exhibits a faster reverse recovery time of 35 ns compared to the MURS360T3G at 75 ns, resulting in lower switching losses and reduced electromagnetic interference in high-frequency rectification applications. The ES3J also demonstrates lower reverse leakage current (5 µA versus 10 µA at 600 V), contributing to reduced standby power consumption.

The MURS360T3G provides a lower forward voltage drop of 1.25 V at 3 A compared to the ES3J at 1.5 V, resulting in reduced conduction losses and lower junction temperature rise during continuous operation. The MURS360T3G also supports an extended operating temperature range of -65°C to 175°C, compared to the ES3J range of -50°C to 150°C, providing greater thermal margin in extreme environment applications.

Selection between these parts depends on application priorities: the ES3J is preferred for switching-speed-critical applications, while the MURS360T3G is preferred for conduction-loss-critical or extended-temperature applications.

Frequently Asked Questions (FAQ)

Q: Can the MURS360T3G directly replace the ES3J in existing circuit designs?

A: Yes. Both parts share identical maximum reverse voltage (600 V), average rectified current (3 A), and SMC (DO-214AB) package specifications. Direct mechanical and electrical substitution is supported without circuit board redesign or layout modification.

Q: What are the differences in reverse recovery time between these parts?

A: The ES3J has a reverse recovery time of 35 ns, while the MURS360T3G has 75 ns. Faster recovery reduces switching losses and EMI generation. Applications with high switching frequencies or stringent EMI requirements benefit from the ES3J's faster recovery characteristic.

Q: How do forward voltage drops compare?

A: The ES3J forward voltage is 1.5 V at 3 A, while the MURS360T3G is 1.25 V at 3 A. The MURS360T3G exhibits lower conduction losses, resulting in reduced heat generation during continuous operation. This difference becomes significant in high-current or continuous-duty applications.

Q: Are both parts RoHS compliant?

A: Yes. Both the ES3J and MURS360T3G are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic component procurement and use.

Q: What is the operating temperature range difference?

A: The ES3J operates from -50°C to 150°C junction temperature, while the MURS360T3G operates from -65°C to 175°C. The MURS360T3G provides extended low-temperature and high-temperature capability, supporting applications in extreme thermal environments.

Q: Are there differences in reverse leakage current?

A: Yes. The ES3J exhibits 5 µA reverse leakage at 600 V, while the MURS360T3G exhibits 10 µA. Lower leakage current in the ES3J reduces standby power consumption and improves efficiency in applications with extended idle periods or low-power standby modes.

Q: Can these parts be used interchangeably in production?

A: Yes, provided application requirements do not impose specific constraints on reverse recovery time, forward voltage drop, or operating temperature range. Both parts are active production components with established supply chains and consistent quality certifications.

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