CS3J-E3/H Equivalent & Substitute Parts

Part Overview

The CS3J-E3/H is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, 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 obsolete, making identification of equivalent and substitute components necessary for ongoing design support and procurement continuity. The diode operates across a junction temperature range of -55°C to 150°C and exhibits standard recovery characteristics with a reverse recovery time of 2.8 µs.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 3 A	V
Reverse Recovery Time (trr)	2.8	µs
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—

Substitute Part Grouping Explanation

Substitution of the CS3J-E3/H is determined by equivalence in the following critical parameters:

Voltage Rating: All substitute parts maintain 600 V DC reverse voltage maximum
Current Rating: All substitute parts support 3 A average rectified current
Package Type: All substitute parts use DO-214AB (SMC) surface mount package
Mounting Technology: All substitute parts are surface mount compatible
Operating Temperature Range: All substitute parts operate within -55°C to 150°C or equivalent range
Recovery Characteristics: All substitute parts exhibit standard recovery behavior with reverse recovery time specifications

Substitute parts are grouped into two categories: direct manufacturer equivalents from Vishay General Semiconductor - Diodes Division and parametric equivalents from alternative manufacturers. Direct equivalents maintain identical base product numbers or part family designations. Parametric equivalents from Diotec Semiconductor and other manufacturers meet or exceed the electrical specifications of the original part while offering active product status and improved compliance certifications.

Parameter Comparison

Parameter	CS3J-E3/H (Main)	S3J-E3/57T	S3J (Diotec)	S3J-TP	S3J_R1_00001
Manufacturer	Vishay	Vishay	Diotec	Micro Commercial Co	Panjit International
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	3 A	3 A	3 A	3 A	3 A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 3 A	1.15 V @ 2.5 A	1.15 V @ 3 A	1.2 V @ 3 A	1.2 V @ 3 A
Reverse Recovery Time (trr)	2.8 µs	2.5 µs	1.5 µs	Not specified	Not specified
Current - Reverse Leakage @ Vr	10 µA @ 600 V	10 µA @ 600 V	5 µA @ 600 V	10 µA @ 600 V	1 µA @ 600 V
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-50 to 150°C	-55 to 150°C	-55 to 150°C
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: S3J-E3/57T (Vishay)

The S3J-E3/57T is the direct manufacturer equivalent from Vishay General Semiconductor - Diodes Division. This part maintains identical electrical specifications to the CS3J-E3/H while offering active product status and ROHS3 compliance. The primary difference is packaging format: S3J-E3/57T is supplied in Cut Tape (CT) format rather than Tape & Reel (TR). This part is suitable for direct substitution in applications where the original CS3J-E3/H was specified.

Secondary Recommendation: S3J-TP (Micro Commercial Co)

The S3J-TP provides parametric equivalence with identical forward voltage characteristics (1.2 V @ 3 A) and reverse leakage current (10 µA @ 600 V). This part maintains Tape & Reel packaging consistent with the original part and offers active product status with ROHS3 compliance. Selection of this part is appropriate when packaging format continuity is required.

Alternative Recommendation: S3J_R1_00001 (Panjit International)

The S3J_R1_00001 offers superior reverse leakage characteristics (1 µA @ 600 V versus 10 µA @ 600 V) while maintaining identical forward voltage and current ratings. This part is supplied in Tape & Reel format and carries active product status with ROHS3 compliance. Selection is appropriate for applications where lower leakage current provides performance benefits.

Parametric Equivalent: S3J (Diotec Semiconductor)

The S3J from Diotec Semiconductor meets all critical electrical parameters with improved reverse recovery time (1.5 µs versus 2.8 µs) and reduced reverse leakage current (5 µA @ 600 V). This part operates across -50°C to 150°C, which is compatible with the original -55°C to 150°C range for most applications. ROHS3 compliance and active product status are confirmed. This part is suitable for applications where faster recovery characteristics are beneficial.

Frequently Asked Questions (FAQ)

Q: Can the S3J-E3/57T be used as a direct replacement for the CS3J-E3/H?

A: Yes. The S3J-E3/57T is electrically equivalent to the CS3J-E3/H with identical voltage rating (600 V), current rating (3 A), forward voltage (1.2 V @ 3 A), and operating temperature range (-55°C to 150°C). The primary difference is packaging format: S3J-E3/57T is supplied in Cut Tape rather than Tape & Reel. Both parts use the DO-214AB (SMC) surface mount package and are mechanically compatible.

Q: What is the difference between the substitute parts in terms of packaging?

A: S3J-E3/57T is supplied in Cut Tape (CT) format. S3J-TP and S3J_R1_00001 are supplied in Tape & Reel (TR) format. The S3J from Diotec is available in both Cut Tape and Digi-Reel formats. All parts use identical DO-214AB (SMC) surface mount packages and are compatible with standard pick-and-place assembly equipment.

Q: Are all substitute parts RoHS compliant?

A: Yes. S3J-E3/57T, S3J-TP, S3J_R1_00001, and S3J (Diotec) are all ROHS3 compliant. The original CS3J-E3/H RoHS status was not specified in the provided data.

Q: Which substitute part has the lowest reverse leakage current?

A: The S3J_R1_00001 from Panjit International exhibits the lowest reverse leakage current at 1 µA @ 600 V, compared to 10 µA @ 600 V for the original CS3J-E3/H. The S3J from Diotec offers 5 µA @ 600 V as an intermediate option.

Q: Does the operating temperature range differ among substitute parts?

A: The S3J from Diotec operates across -50°C to 150°C, which is 5°C higher at the lower limit compared to the original CS3J-E3/H (-55°C to 150°C). All other substitute parts maintain the identical -55°C to 150°C range. This difference is not significant for most applications operating within standard industrial temperature ranges.

Q: What is the reverse recovery time specification for parts where it is not listed?

A: Reverse recovery time is not specified for S3J-TP and S3J_R1_00001 in the provided data. Both parts are rated for standard recovery behavior with >500 ns recovery time at >200 mA. The S3J-E3/57T specifies 2.5 µs, and the S3J (Diotec) specifies 1.5 µs.

Q: Can these parts be used interchangeably in existing PCB designs?

A: Yes. All substitute parts use the DO-214AB (SMC) surface mount package with identical pin configuration and footprint. They are mechanically and electrically compatible with PCB designs specified for the CS3J-E3/H. No PCB layout modifications are required.

Q: Why is the CS3J-E3/H classified as obsolete?

A: The CS3J-E3/H is listed as obsolete by the manufacturer. Active substitute parts from Vishay (S3J-E3/57T, S3J-TP) and alternative manufacturers (Diotec, Micro Commercial Co, Panjit International) provide equivalent or superior performance with ongoing manufacturing support and compliance certifications.

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