ES1J Equivalent & Substitute Parts

Part Overview

The ES1J is a general-purpose rectifier diode manufactured by onsemi, rated for 600 V DC reverse voltage and 1 A average rectified current in a surface mount DO-214AC (SMA) package. This component is classified as "Not For New Designs," indicating it has been superseded in onsemi's product portfolio. Identification of equivalent and substitute parts is necessary for applications requiring continued support, legacy system maintenance, or when primary sourcing becomes unavailable.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.7 @ 1 A	V
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Mounting Type	Surface Mount	—
Package / Case	DO-214AC, SMA	—
Operating Temperature - Junction (Max)	150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the ES1J is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 600 V
Current - Average Rectified (Io): 1 A
Mounting Type: Surface Mount
Package / Case: DO-214AC, SMA

Allowable Variation Parameters:

Voltage - Forward (Vf) (Max) @ If: Substitute parts may vary within the range of 1.1 V to 1.7 V @ 1 A
Speed Classification: Both Fast Recovery (≤ 500ns) and Standard Recovery (> 500ns) variants are acceptable
Reverse Recovery Time (trr): Substitute parts may range from 35 ns to 250 ns
Current - Reverse Leakage @ Vr: Substitute parts may range from 1 µA to 10 µA @ 600 V
Operating Temperature - Junction: Substitute parts may have maximum ratings from 150°C to 175°C, or ranges extending to -65°C or -55°C minimum

Compliance Requirements:

RoHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
ECCN: EAR99
HTSUS: 8541.10.0080

Substitute parts meeting these criteria are functionally interchangeable in applications where the ES1J was originally specified.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Tj (Max) [°C]	Product Status	Packaging
ES1J	onsemi	600	1	1.7 @ 1 A	Fast Recovery ≤ 500ns	35	5 @ 600 V	150	Not For New Designs	Cut Tape (CT) & Digi-Reel®
MRA4005T1G	onsemi	600	1	1.1 @ 1 A	Standard Recovery > 500ns	—	10 @ 600 V	175	Not For New Designs	Tape & Reel (TR)
MRA4005T3G	onsemi	600	1	1.1 @ 1 A	Standard Recovery > 500ns	—	10 @ 600 V	175	Not For New Designs	Cut Tape (CT) & Digi-Reel®
MURA160T3G	onsemi	600	1	1.25 @ 1 A	Fast Recovery ≤ 500ns	75	5 @ 600 V	175	Active	Cut Tape (CT) & Digi-Reel®
NRVA4005T3G	onsemi	600	1	1.1 @ 1 A	Standard Recovery > 500ns	—	10 @ 600 V	150	Not For New Designs	Tape & Reel (TR)
RS1J	Taiwan Semiconductor Corporation	600	1	1.3 @ 1 A	Fast Recovery ≤ 500ns	250	5 @ 600 V	150	Active	Cut Tape (CT) & Digi-Reel®
ES1J-LTP	Micro Commercial Co	600	1	1.7 @ 1 A	Fast Recovery ≤ 500ns	35	5 @ 600 V	175	Active	Cut Tape (CT) & Digi-Reel®
STTH1R06A	STMicroelectronics	600	1	1.7 @ 1 A	Fast Recovery ≤ 500ns	45	1 @ 600 V	175	Active	Cut Tape (CT) & Digi-Reel®
CGRA4005-G	Comchip Technology	600	1	1.1 @ 1 A	Fast Recovery ≤ 500ns	—	5 @ 600 V	150	Active	Tape & Reel (TR)
CMR1-06M BK PBFREE	Central Semiconductor Corp	600	1	1.1 @ 1 A	Standard Recovery > 500ns	—	5 @ 600 V	150	Active	Bulk
CMR1-06M TR13 PBFREE	Central Semiconductor Corp	600	1	1.1 @ 1 A	Standard Recovery > 500ns	—	5 @ 600 V	150	Active	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Recommendation for New Designs:

MURA160T3G (onsemi) is the preferred substitute. This part maintains the same voltage and current ratings as the ES1J, operates at an extended maximum junction temperature of 175°C, and carries an Active product status. The MURA160T3G is available in Cut Tape & Digi-Reel® packaging, matching the original ES1J packaging format. Fast recovery characteristics (≤ 500ns, trr = 75 ns) provide performance continuity for switching applications.

Secondary Recommendations for Active Product Status:

RS1J (Taiwan Semiconductor Corporation) is an Active product offering fast recovery performance with a 250 ns reverse recovery time. This part is available in Cut Tape & Digi-Reel® packaging and maintains the same thermal and electrical specifications as the ES1J.

ES1J-LTP (Micro Commercial Co) is an Active product with identical electrical characteristics to the ES1J, including fast recovery speed and 35 ns reverse recovery time. This part extends the maximum junction temperature to 175°C and is available in Cut Tape & Digi-Reel® packaging.

STTH1R06A (STMicroelectronics) is an Active product with fast recovery characteristics and the lowest reverse leakage current (1 µA @ 600 V) among all substitutes. This part is available in Cut Tape & Digi-Reel® packaging.

Substitutes with "Not For New Designs" Status:

MRA4005T3G and MRA4005T1G (onsemi) are functionally equivalent but carry "Not For New Designs" status. These parts feature standard recovery characteristics and lower forward voltage (1.1 V @ 1 A) compared to the ES1J. MRA4005T3G is available in Cut Tape & Digi-Reel® packaging; MRA4005T1G is available in Tape & Reel packaging.

NRVA4005T3G (onsemi) is an automotive-grade part (AEC-Q101 qualified) with "Not For New Designs" status. This part is suitable for applications requiring automotive qualification and is available in Tape & Reel packaging.

Packaging Considerations:

All recommended substitutes maintain the DO-214AC (SMA) surface mount package, ensuring mechanical and thermal compatibility. Packaging format availability varies: Cut Tape & Digi-Reel® format is preferred for high-volume manufacturing; Tape & Reel format is suitable for automated assembly; Bulk packaging is available for specific applications.

Compliance Verification:

All substitute parts listed are RoHS3 Compliant, carry Moisture Sensitivity Level 1 (Unlimited), and share the same ECCN (EAR99) and HTSUS (8541.10.0080) classifications as the ES1J.

Frequently Asked Questions (FAQ)

Q: Can I directly replace ES1J with MRA4005T3G?

A: Yes. Both parts meet the mandatory matching parameters: 600 V reverse voltage, 1 A average rectified current, surface mount DO-214AC package, and RoHS3 compliance. The MRA4005T3G features lower forward voltage (1.1 V vs. 1.7 V) and standard recovery characteristics, which are acceptable variations for general-purpose rectification applications.

Q: What is the difference between fast recovery and standard recovery diodes?

A: Recovery speed refers to the reverse recovery time (trr), which is the time required for a diode to stop conducting when reverse bias is applied. Fast recovery diodes (≤ 500ns) are suitable for high-frequency switching applications. Standard recovery diodes (> 500ns) are appropriate for lower-frequency or linear applications. The ES1J specifies fast recovery; substitutes with standard recovery characteristics are acceptable if the application does not require high-frequency switching performance.

Q: Why does STTH1R06A have lower reverse leakage current than the ES1J?

A: Reverse leakage current (Ir) is a material and manufacturing characteristic that varies by manufacturer and process technology. STTH1R06A exhibits 1 µA @ 600 V compared to the ES1J's 5 µA @ 600 V. Lower leakage current indicates superior reverse blocking performance and is generally beneficial for applications requiring minimal standby current.

Q: Is the ES1J-LTP a direct equivalent?

A: Yes. The ES1J-LTP, manufactured by Micro Commercial Co, is a direct equivalent with identical electrical specifications to the ES1J: 600 V reverse voltage, 1 A current rating, 1.7 V forward voltage, fast recovery speed, and 35 ns reverse recovery time. The ES1J-LTP carries Active product status and extends the maximum junction temperature to 175°C, making it suitable for new designs.

Q: Can I use CGRA4005-G as a substitute?

A: Yes. The CGRA4005-G meets all mandatory matching parameters and carries Active product status. This part features fast recovery characteristics and lower forward voltage (1.1 V @ 1 A). However, it is available only in Tape & Reel packaging, which may require packaging format conversion for applications originally specified with Cut Tape & Digi-Reel® format.

Q: What is the significance of "Not For New Designs" status?

A: "Not For New Designs" indicates that the manufacturer has superseded the part in their product portfolio. While these parts remain available and functional, they are not recommended for new circuit designs. For legacy system maintenance or continued production of existing designs, these parts remain valid. For new designs, Active status parts are preferred to ensure long-term availability and manufacturer support.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference carry RoHS3 Compliant status, matching the ES1J's environmental compliance classification. All parts also share Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

Q: What packaging formats are available for substitutes?

A: Substitute parts are available in three packaging formats: Cut Tape (CT) & Digi-Reel® (preferred for high-volume manufacturing), Tape & Reel (TR) (standard for automated assembly), and Bulk (for specific applications). The original ES1J is available in Cut Tape & Digi-Reel® format. Substitutes maintaining this packaging format include MRA4005T3G, MURA160T3G, RS1J, ES1J-LTP, STTH1R06A, and CMR1-06M BK PBFREE.

Q: Can I substitute a part with higher maximum junction temperature?

A: Yes. Substitutes with higher maximum junction temperature ratings (175°C vs. 150°C) provide extended thermal margin and are acceptable replacements. This variation does not affect electrical performance and may improve reliability in thermally demanding applications.

Q: Is NRVA4005T3G suitable for automotive applications?

A: Yes. The NRVA4005T3G carries AEC-Q101 automotive qualification and is specifically designed for automotive applications. This part is suitable for replacement in automotive circuits originally specified with the ES1J, provided that the application does not require new design status.

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