ES3J R7G Equivalent & Substitute Parts

Part Overview

The ES3J R7G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 3 A average rectified current in a surface mount DO-214AB (SMC) package. This part is classified as discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing production and maintenance applications. The diode features fast recovery characteristics with a reverse recovery time of 35 nanoseconds, making it suitable for switching power supply and general rectification circuits.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.7 @ 3 A	V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Mounting Type	Surface Mount	—
Package / Case	DO-214AB, SMC	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the ES3J R7G are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents share identical electrical specifications and package form factor, differing only in packaging configuration (Cut Tape, Tape & Reel) or manufacturer variant designation. These parts are direct functional replacements with no circuit redesign required.

Similar Parts maintain the same voltage rating (600 V), current rating (3 A), and surface mount package (DO-214AB/SMC), but may exhibit variations in forward voltage drop, reverse recovery time, reverse leakage current, or operating temperature range. These parts are functionally compatible within the specified electrical envelope but require verification of application-specific performance requirements.

Key Parameters Determining Substitutability:

Voltage - DC Reverse (Vr) (Max): 600 V (mandatory match)
Current - Average Rectified (Io): 3 A (mandatory match)
Package / Case: DO-214AB, SMC (mandatory match for PCB compatibility)
Mounting Type: Surface Mount (mandatory match)
Speed Classification: Fast Recovery ≤ 500ns (preferred for switching applications)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Package	Product Status
ES3J R7G	Taiwan Semiconductor Corporation	600	3	1.7 @ 3 A	Fast Recovery ≤ 500ns	35	10 @ 600 V	DO-214AB, SMC	Discontinued
ES3J V7G	Taiwan Semiconductor Corporation	600	3	1.7 @ 3 A	Fast Recovery ≤ 500ns	35	10 @ 600 V	DO-214AB, SMC	Discontinued
ES3JH	Taiwan Semiconductor Corporation	600	3	1.7 @ 3 A	Fast Recovery ≤ 500ns	35	10 @ 600 V	DO-214AB, SMC	Active
ER3J-TP	Micro Commercial Co	600	3	1.7 @ 3 A	Fast Recovery ≤ 500ns	35	5 @ 600 V	DO-214AB, SMC	Active
ES3J	Good-Ark Semiconductor	600	3	1.7 @ 3 A	Fast Recovery ≤ 500ns	35	10 @ 600 V	DO-214AB, SMC	Active
MURS360-E3/57T	Vishay General Semiconductor - Diodes Division	600	3	1.28 @ 3 A	Fast Recovery ≤ 500ns	75	10 @ 600 V	DO-214AB, SMC	Active
MURS360-E3/9AT	Vishay General Semiconductor - Diodes Division	600	3	1.28 @ 3 A	Fast Recovery ≤ 500ns	75	10 @ 600 V	DO-214AB, SMC	Active
MURS360T3G	onsemi	600	3	1.25 @ 3 A	Fast Recovery ≤ 500ns	75	10 @ 600 V	DO-214AB, SMC	Active
RS3J-13-F	Diodes Incorporated	600	3	1.3 @ 3 A	Fast Recovery ≤ 500ns	250	5 @ 600 V	DO-214AB, SMC	Active
RS3JB-13-F	Diodes Incorporated	600	3	1.3 @ 3 A	Fast Recovery ≤ 500ns	250	5 @ 600 V	DO-214AA, SMB	Active
CGRC505-G	Comchip Technology	600	5	1.15 @ 5 A	Standard Recovery >500ns	—	10 @ 600 V	DO-214AB, SMC	Active

Engineering Selection Recommendations

Parametric Equivalent Selection (Direct Replacement):

ES3JH (Taiwan Semiconductor Corporation) is the recommended parametric equivalent. This part maintains identical electrical specifications to the ES3J R7G, including 600 V reverse voltage, 3 A average rectified current, 1.7 V forward voltage drop at 3 A, and 35 nanosecond reverse recovery time. ES3JH is currently in active product status with AEC-Q101 automotive qualification and ROHS3 compliance. Inventory availability is 3,746 pieces in Tape & Reel packaging.

ES3J V7G (Taiwan Semiconductor Corporation) provides an alternative parametric equivalent with identical electrical performance, available in Cut Tape packaging with 2,284 pieces in stock. Both ES3JH and ES3J V7G are suitable for direct substitution without circuit modification.

Active Manufacturer Alternatives:

ES3J (Good-Ark Semiconductor) offers parametric equivalence with the highest inventory availability (23,710 pieces) and active product status. This part is available in Cut Tape and Digi-Reel packaging configurations.

ER3J-TP (Micro Commercial Co) provides parametric equivalence with identical electrical specifications except for reduced reverse leakage current (5 µA versus 10 µA at 600 V), representing improved performance. Operating temperature range extends to 175°C maximum junction temperature. Inventory: 4,120 pieces.

Alternative Manufacturers with Acceptable Performance Variation:

MURS360T3G (onsemi) is available in highest volume (105,100 pieces) with active status. Forward voltage drop is reduced to 1.25 V at 3 A compared to 1.7 V specification, and reverse recovery time is extended to 75 nanoseconds. Operating temperature range extends to 175°C. This part is suitable for applications where lower forward voltage drop is beneficial.

MURS360-E3/57T and MURS360-E3/9AT (Vishay General Semiconductor - Diodes Division) offer similar performance characteristics to MURS360T3G with forward voltage of 1.28 V and 75 nanosecond recovery time. These parts are available in Cut Tape and Tape & Reel configurations respectively.

RS3J-13-F (Diodes Incorporated) provides 600 V / 3 A performance with forward voltage of 1.3 V and extended reverse recovery time of 250 nanoseconds. Reverse leakage current is reduced to 5 µA. This part is suitable for applications with less stringent recovery time requirements. Inventory: 17,400 pieces.

Package Consideration:

RS3JB-13-F (Diodes Incorporated) uses DO-214AA (SMB) package instead of DO-214AB (SMC). This part is not suitable for direct PCB substitution without layout modification due to different footprint dimensions.

Not Recommended for Direct Substitution:

CGRC505-G (Comchip Technology) is rated for 5 A average rectified current, exceeding the 3 A specification of the ES3J R7G. While voltage rating and package are compatible, the higher current rating and standard recovery speed classification (>500ns) make this part unsuitable for direct replacement in circuits designed for 3 A operation.

Frequently Asked Questions (FAQ)

Q: Can ES3JH be used as a direct replacement for ES3J R7G?

A: Yes. ES3JH is a parametric equivalent with identical voltage rating (600 V), current rating (3 A), forward voltage drop (1.7 V @ 3 A), reverse recovery time (35 ns), and package form factor (DO-214AB, SMC). No circuit modification is required. ES3JH is currently in active production status with AEC-Q101 automotive qualification.

Q: What is the difference between ES3J V7G and ES3JH?

A: Both parts are parametric equivalents with identical electrical specifications. The primary difference is packaging configuration: ES3J V7G is supplied in Cut Tape format, while ES3JH is supplied in Tape & Reel format. Selection depends on assembly equipment compatibility and procurement requirements.

Q: Can MURS360T3G replace ES3J R7G in all applications?

A: MURS360T3G maintains the same voltage (600 V), current (3 A), and package (DO-214AB, SMC) specifications. However, forward voltage drop is reduced to 1.25 V compared to 1.7 V, and reverse recovery time is extended to 75 nanoseconds compared to 35 nanoseconds. These differences are acceptable in most general-purpose rectification circuits. Applications with strict recovery time requirements or forward voltage specifications should be evaluated individually.

Q: Why is CGRC505-G not recommended as a substitute?

A: CGRC505-G is rated for 5 A average rectified current, which exceeds the 3 A design specification of the ES3J R7G. Additionally, CGRC505-G uses standard recovery speed classification (>500ns) rather than fast recovery (≤500ns). While the part is electrically compatible at the voltage level, using a higher-rated component in a 3 A circuit is not appropriate engineering practice.

Q: What is the significance of the DO-214AB versus DO-214AA package designation?

A: DO-214AB (SMC) and DO-214AA (SMB) are different surface mount package outlines with different footprint dimensions. RS3JB-13-F uses DO-214AA (SMB) package and cannot be directly substituted on a PCB designed for DO-214AB (SMC) components without layout modification. Verify PCB footprint compatibility before selection.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance status, consistent with the ES3J R7G specification. All parts are also REACH unaffected and classified under ECCN EAR99.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape packaging supplies individual components on carrier tape without reel backing, suitable for manual assembly or small-volume production. Tape & Reel packaging supplies components on continuous reel backing, optimized for automated pick-and-place assembly equipment. Electrical performance is identical; selection depends on assembly process requirements.

Q: Can ER3J-TP be used in automotive applications?

A: ER3J-TP does not carry AEC-Q101 automotive qualification designation. ES3JH is the recommended choice for automotive applications, as it carries explicit AEC-Q101 qualification. Verify application requirements before selecting ER3J-TP for automotive use.

Q: What does reverse recovery time (trr) represent, and why does it vary among substitutes?

A: Reverse recovery time is the interval required for a diode to transition from forward conduction to reverse blocking state when the applied voltage reverses. Shorter recovery times (35 ns for ES3J R7G) are beneficial in high-frequency switching applications. Longer recovery times (75 ns for MURS360 series, 250 ns for RS3J series) are acceptable in lower-frequency or general-purpose rectification circuits. Application switching frequency determines acceptable trr values.

Q: Is forward voltage drop (Vf) a critical parameter for substitution?

A: Forward voltage drop affects power dissipation and circuit efficiency. The ES3J R7G specification is 1.7 V at 3 A. Substitutes with lower Vf values (MURS360T3G at 1.25 V, MURS360-E3/57T at 1.28 V) reduce power loss and heat generation. Substitutes with higher Vf values are not available in this comparison set. Lower Vf is generally advantageous but does not prevent substitution in most applications.

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