S2J/54 Equivalent & Substitute Parts

Part Overview

The S2J/54 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 600 V DC reverse voltage and 1.5 A average rectified current in a surface mount DO-214AA (SMB) package. This component is classified as Active product status and utilizes standard recovery technology with a reverse recovery time of 2 µs. The S2J/54 is RoHS non-compliant, which may necessitate identification of compliant alternatives for applications requiring regulatory adherence. Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and operational parameters.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 1.5 A	V
Reverse Recovery Time (trr)	2	µs
Current - Reverse Leakage @ Vr	1	µA @ 600 V
Capacitance @ Vr, F	16	pF @ 4V, 1MHz
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—

Substitute Part Grouping Explanation

Substitute parts for the S2J/54 are grouped based on the following critical electrical and mechanical parameters:

Primary Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V
Current - Average Rectified (Io): 1.5 A or higher
Voltage - Forward (Vf) (Max) @ If: 1.15 V or lower at rated current
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Technology: Standard or Fast Recovery

Substitution Logic: Parts are classified as parametric equivalents when all electrical specifications match the S2J/54 exactly. Parts are classified as manufacturer-recommended alternatives when they share the same base product number (S2J) or offer higher current ratings (2 A or 3 A) while maintaining 600 V reverse voltage and compatible packaging. Higher current-rated alternatives (S2J variants at 2 A, S3JB variants at 3 A) are suitable for applications where the S2J/54's 1.5 A rating is insufficient, provided the forward voltage and recovery characteristics remain acceptable.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	trr [µs]	Ir @ Vr [µA]	Package	RoHS Status	Automotive Grade
S2J/54	Vishay	600	1.5	1.15 @ 1.5 A	2	1 @ 600 V	DO-214AA	Non-compliant	—
S2J-E3/52T	Vishay	600	1.5	1.15 @ 1.5 A	2	1 @ 600 V	DO-214AA	ROHS3 Compliant	—
S2JHE3_A/H	Vishay	600	1.5	1.15 @ 1.5 A	2	1 @ 600 V	DO-214AA	ROHS3 Compliant	AEC-Q101
S2JHE3_A/I	Vishay	600	1.5	1.15 @ 1.5 A	2	1 @ 600 V	DO-214AA	ROHS3 Compliant	AEC-Q101
S2J	Nexperia	600	2	1.15 @ 2 A	2	1 @ 600 V	DO-214AA	—	—
S2J-13-F	Diodes Incorporated	600	1.5	1.15 @ 1.5 A	—	5 @ 600 V	DO-214AA	ROHS3 Compliant	—
S2J-LTP	Micro Commercial Co	600	2	1.15 @ 2 A	≤0.5	5 @ 600 V	DO-214AA	ROHS3 Compliant	—
S3JB	HY Electronic	600	3	1.1 @ 3 A	—	5 @ 600 V	DO-214AA	ROHS3 Compliant	AEC-Q101
S3JB-13-F	Diodes Incorporated	600	3	1.15 @ 3 A	—	10 @ 600 V	DO-214AA	ROHS3 Compliant	—
STTH1L06U	STMicroelectronics	600	1	1.3 @ 1 A	0.08	1 @ 600 V	DO-214AA	ROHS3 Compliant	—
STTH1R06U	STMicroelectronics	600	1	1.7 @ 1 A	0.045	1 @ 600 V	DO-214AA	ROHS3 Compliant	—

Engineering Selection Recommendations

Parametric Equivalents (Direct Substitutes):

S2J-E3/52T, S2JHE3_A/H, and S2JHE3_A/I are parametric equivalents to the S2J/54, matching all electrical specifications including 600 V reverse voltage, 1.5 A average rectified current, 1.15 V forward voltage at 1.5 A, and 2 µs reverse recovery time. S2J-E3/52T is supplied in Cut Tape packaging and is ROHS3 compliant. S2JHE3_A/H and S2JHE3_A/I are supplied in Tape & Reel and Cut Tape packaging respectively, both ROHS3 compliant and qualified to AEC-Q101 automotive standard. These three parts are direct functional replacements for the S2J/54.

Manufacturer-Recommended Alternatives (Higher Current Rating):

S2J (Nexperia) and S2J-LTP (Micro Commercial Co) are rated for 2 A average rectified current while maintaining 600 V reverse voltage and 1.15 V forward voltage. These parts are suitable for applications requiring higher current capacity than the S2J/54's 1.5 A rating. S2J-LTP features fast recovery technology (≤0.5 µs) compared to the standard recovery of the S2J/54. Both are ROHS3 compliant.

Higher Current Alternatives (3 A Rating):

S3JB (HY Electronic) and S3JB-13-F (Diodes Incorporated) are rated for 3 A average rectified current at 600 V reverse voltage. S3JB is AEC-Q101 qualified. These parts are suitable for applications requiring significantly higher current capacity. S3JB-13-F exhibits higher reverse leakage current (10 µA) compared to the S2J/54 (1 µA).

Lower Current Alternatives (1 A Rating):

STTH1L06U and STTH1R06U (STMicroelectronics) are rated for 1 A average rectified current at 600 V reverse voltage. Both feature fast recovery technology with reverse recovery times of 80 ns and 45 ns respectively, significantly faster than the S2J/54's 2 µs. STTH1R06U exhibits higher forward voltage (1.7 V @ 1 A) compared to the S2J/54 (1.15 V @ 1.5 A). These parts are suitable for applications where lower current capacity is acceptable and faster recovery is beneficial.

Compliance Considerations:

The S2J/54 is RoHS non-compliant. Applications requiring RoHS compliance should select S2J-E3/52T, S2JHE3_A/H, S2JHE3_A/I, S2J-13-F, S2J-LTP, S3JB, S3JB-13-F, STTH1L06U, or STTH1R06U, all of which are ROHS3 compliant.

Automotive Applications:

Applications requiring automotive-grade components should select S2JHE3_A/H, S2JHE3_A/I, or S3JB, all qualified to AEC-Q101 standard.

Frequently Asked Questions (FAQ)

Q: Can S2J-E3/52T be used as a direct replacement for S2J/54?

A: Yes. S2J-E3/52T is a parametric equivalent with identical electrical specifications: 600 V reverse voltage, 1.5 A average rectified current, 1.15 V forward voltage at 1.5 A, and 2 µs reverse recovery time. The primary difference is packaging format (Cut Tape versus unspecified) and RoHS compliance status (ROHS3 compliant versus non-compliant).

Q: What is the difference between S2JHE3_A/H and S2JHE3_A/I?

A: Both parts are parametric equivalents with identical electrical specifications and AEC-Q101 automotive qualification. The difference is packaging format: S2JHE3_A/H is supplied in Tape & Reel, while S2JHE3_A/I is supplied in Cut Tape.

Q: Can I use S2J (Nexperia) instead of S2J/54?

A: S2J (Nexperia) is rated for 2 A average rectified current compared to the S2J/54's 1.5 A. It maintains the same 600 V reverse voltage and 1.15 V forward voltage characteristics. This part is suitable if higher current capacity is required or acceptable for the application. The operating temperature range differs slightly (-65°C to 150°C for Nexperia versus -55°C to 150°C for Vishay).

Q: Are STTH1L06U and STTH1R06U suitable replacements for S2J/54?

A: STTH1L06U and STTH1R06U are rated for 1 A average rectified current, which is lower than the S2J/54's 1.5 A rating. These parts are suitable only for applications where 1 A current capacity is sufficient. Both feature fast recovery technology (80 ns and 45 ns respectively) compared to the S2J/54's 2 µs standard recovery. STTH1R06U exhibits significantly higher forward voltage (1.7 V @ 1 A) compared to the S2J/54 (1.15 V @ 1.5 A).

Q: What is the advantage of S2J-LTP over S2J/54?

A: S2J-LTP offers 2 A average rectified current (versus 1.5 A) and fast recovery technology with reverse recovery time ≤0.5 µs (versus 2 µs for S2J/54). It maintains 600 V reverse voltage and 1.15 V forward voltage. S2J-LTP is ROHS3 compliant, addressing the non-compliance status of S2J/54.

Q: When should I select S3JB or S3JB-13-F?

A: S3JB and S3JB-13-F are rated for 3 A average rectified current at 600 V reverse voltage. These parts are selected for applications requiring significantly higher current capacity than the S2J/54's 1.5 A rating. S3JB is AEC-Q101 qualified for automotive applications. Both are ROHS3 compliant.

Q: Does package compatibility affect substitution?

A: All substitute parts listed use the DO-214AA (SMB) surface mount package, identical to the S2J/54. Package compatibility is maintained across all substitutes. Packaging format differences (Cut Tape, Tape & Reel) affect supply and handling but not electrical or mechanical compatibility.

Q: What is the impact of reverse leakage current differences?

A: The S2J/54 specifies 1 µA reverse leakage at 600 V. S2J-13-F, S2J-LTP, S3JB, and S3JB-13-F specify 5 µA or higher. Higher reverse leakage current may impact applications sensitive to leakage, such as high-impedance circuits or precision analog applications. STTH1L06U and STTH1R06U maintain 1 µA reverse leakage, matching the S2J/54.

Q: Is RoHS compliance mandatory for my application?

A: RoHS compliance requirements depend on application jurisdiction and customer specifications. The S2J/54 is RoHS non-compliant. If RoHS compliance is required, select from S2J-E3/52T, S2JHE3_A/H, S2JHE3_A/I, S2J-13-F, S2J-LTP, S3JB, S3JB-13-F, STTH1L06U, or STTH1R06U, all ROHS3 compliant.

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