ES2LJHR5G Equivalent & Substitute Parts

Part Overview

The ES2LJHR5G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 2 A average rectified current in a surface mount DO-214AA (SMB) package. This component is classified as discontinued at DiGi Electronics, necessitating identification of equivalent and substitute parts for ongoing design requirements and production continuity. The part meets automotive-grade specifications with AEC-Q101 qualification and is RoHS3 compliant.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.7 @ 2 A	V
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	10 @ 600 V	µA
Capacitance @ Vr, F	20 @ 4V, 1MHz	pF
Package / Case	DO-214AA, SMB	—
Operating Temperature - Junction	-55 to 150	°C
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the ES2LJHR5G is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V
Current - Average Rectified (Io): 2 A
Package / Case: DO-214AA, SMB
Reverse Recovery Time (trr): 35 ns
Voltage - Forward (Vf) (Max) @ If: 1.7 V @ 2 A

Parametric Equivalent Parts maintain identical electrical specifications and are direct functional replacements. These parts satisfy all primary equivalence criteria and differ only in packaging format (Cut Tape, Tape & Reel) or manufacturer identity.

Similar Parts share the same package and voltage rating but differ in one or more electrical parameters (current rating, reverse recovery time, forward voltage, reverse leakage current, or capacitance). These parts are suitable only when the application tolerates the specified parameter deviation.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [ns]	Ir @ Vr [µA]	C @ Vr [pF]	Package	Status	Grade
ES2LJHR5G	Taiwan Semiconductor	600	2	1.7 @ 2 A	35	10 @ 600 V	20 @ 4V, 1MHz	DO-214AA	Discontinued	Automotive
ES2J	Good-Ark Semiconductor	600	2	1.7 @ 2 A	35	10 @ 600 V	20 @ 4V, 1MHz	DO-214AA	Active	—
ES2J R5G	Taiwan Semiconductor	600	2	1.7 @ 2 A	35	10 @ 600 V	20 @ 4V, 1MHz	DO-214AA	Discontinued	—
ES2JH	Taiwan Semiconductor	600	2	1.7 @ 2 A	35	10 @ 600 V	20 @ 4V, 1MHz	DO-214AA	Active	Automotive
ES2LJ	Taiwan Semiconductor	600	2	1.7 @ 2 A	35	10 @ 600 V	20 @ 4V, 1MHz	DO-214AA	Active	—
ES2LJH	Taiwan Semiconductor	600	2	1.7 @ 2 A	35	10 @ 600 V	20 @ 4V, 1MHz	DO-214AA	Active	Automotive
HS2J	Taiwan Semiconductor	600	2	1.7 @ 2 A	75	5 @ 600 V	30 @ 4V, 1MHz	DO-214AA	Active	—
CSFB205-G	Comchip Technology	600	2	1.3 @ 2 A	35	5 @ 600 V	—	DO-214AA	Active	—
ER1J-LTP	Micro Commercial Co	600	1	1.7 @ 1 A	35	5 @ 600 V	15 @ 4V, 1MHz	DO-214AA	Active	—
ER2J-LTP	Micro Commercial Co	600	2	1.7 @ 2 A	35	5 @ 600 V	15 @ 4V, 1MHz	DO-214AA	Active	—
ER3JB-TP	Micro Commercial Co	600	3	1.7 @ 3 A	35	5 @ 600 V	45 @ 4V, 1MHz	DO-214AA	Active	—

Engineering Selection Recommendations

Parametric Equivalent Parts (Direct Replacements):

The following parts maintain complete electrical and mechanical equivalence to the ES2LJHR5G and are suitable for direct substitution:

ES2JH: Taiwan Semiconductor, Active status, Automotive grade with AEC-Q101 qualification. Identical electrical specifications. Tape & Reel packaging.
ES2LJ: Taiwan Semiconductor, Active status. Identical electrical specifications. Tape & Reel packaging.
ES2LJH: Taiwan Semiconductor, Active status, Automotive grade with AEC-Q101 qualification. Identical electrical specifications. Tape & Reel packaging.
ES2J: Good-Ark Semiconductor, Active status. Identical electrical specifications. Available in Cut Tape and Digi-Reel packaging formats.

Conditional Substitutes (Parameter Deviations):

HS2J: Reverse recovery time increased to 75 ns (versus 35 ns specification). Reverse leakage current reduced to 5 µA. Capacitance increased to 30 pF. Suitable only when application tolerates extended recovery time and increased capacitance.
CSFB205-G: Forward voltage reduced to 1.3 V @ 2 A (versus 1.7 V). Reverse leakage current reduced to 5 µA. Capacitance not specified. Suitable when lower forward voltage drop is beneficial and capacitance specification is not critical.
ER2J-LTP: Reverse leakage current reduced to 5 µA. Capacitance reduced to 15 pF. Operating temperature range extended to -65°C to 175°C. Suitable when lower leakage and reduced capacitance are required.
ER3JB-TP: Current rating increased to 3 A. Capacitance increased to 45 pF. Operating temperature maximum reduced to 150°C. Suitable only for applications requiring higher current capacity.
ER1J-LTP: Current rating reduced to 1 A. Capacitance reduced to 15 pF. Operating temperature range extended to -65°C to 175°C. Not suitable for 2 A applications.

Compliance Considerations:

The ES2LJHR5G carries Automotive grade designation with AEC-Q101 qualification. Direct replacements ES2JH and ES2LJH maintain this automotive qualification. Parts ES2J, ES2LJ, and ER2J-LTP lack automotive grade designation and should be evaluated against application requirements. All listed parts are RoHS3 compliant and REACH unaffected.

Frequently Asked Questions (FAQ)

Q: Can ES2J be used as a direct replacement for ES2LJHR5G?

A: ES2J is a parametric equivalent with identical electrical specifications (600 V, 2 A, 1.7 V forward voltage, 35 ns recovery time). However, ES2J is manufactured by Good-Ark Semiconductor and lacks automotive grade certification. The ES2LJHR5G carries AEC-Q101 qualification. Substitution is permissible only if the application does not require automotive-grade components.

Q: What is the difference between ES2LJ and ES2LJH?

A: Both parts are manufactured by Taiwan Semiconductor and share identical electrical specifications. ES2LJH carries Automotive grade designation with AEC-Q101 qualification, while ES2LJ does not. For automotive applications, ES2LJH is the appropriate selection.

Q: Why is HS2J listed as a substitute if it has different electrical parameters?

A: HS2J maintains the same 600 V, 2 A ratings and DO-214AA package. However, reverse recovery time is 75 ns (versus 35 ns), reverse leakage is 5 µA (versus 10 µA), and capacitance is 30 pF (versus 20 pF). This part is suitable only when the application can tolerate extended recovery time and increased capacitance. It is not a direct equivalent.

Q: Can ER2J-LTP replace ES2LJHR5G in an automotive application?

A: ER2J-LTP is manufactured by Micro Commercial Co and maintains identical electrical specifications for voltage, current, and recovery time. However, it lacks automotive grade certification. Substitution is not recommended for automotive applications requiring AEC-Q101 qualification.

Q: What packaging options are available for equivalent parts?

A: Parametric equivalent parts are available in the following packaging formats: Cut Tape (CT), Digi-Reel, and Tape & Reel (TR). All maintain the DO-214AA (SMB) physical package. Selection depends on production volume and assembly process requirements.

Q: Is CSFB205-G suitable for high-frequency switching applications?

A: CSFB205-G maintains the 35 ns reverse recovery time specification. However, forward voltage is reduced to 1.3 V @ 2 A, and capacitance specification is not provided. Substitution requires confirmation that the lower forward voltage and unspecified capacitance are compatible with circuit design parameters.

Q: Why are ER1J-LTP and ER3JB-TP listed if they have different current ratings?

A: ER1J-LTP (1 A) and ER3JB-TP (3 A) are listed as similar parts sharing the same 600 V voltage rating and DO-214AA package. These are not suitable replacements for the 2 A ES2LJHR5G specification. They are provided for reference only when current requirements differ from the original design.

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