S5JB Equivalent & Substitute Parts

Part Overview

The S5JB is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 5 A average rectified current in a surface mount DO-214AA (SMB) package. This component is classified as Active product status and is RoHS3 compliant. The S5JB operates across a junction temperature range of -55°C to 150°C and features standard recovery characteristics with reverse recovery time exceeding 500 ns.

Substitute parts are identified when equivalent electrical performance can be achieved within the same package form factor and voltage rating, with consideration for current capacity, forward voltage characteristics, and recovery speed specifications. Alternative components may be selected based on application requirements, inventory availability, and thermal operating range compatibility.

Key Parameters

Parameter	S5JB Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	1.1 @ 5 A	V
Speed	Standard Recovery >500ns, > 200mA (Io)	-
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Capacitance @ Vr, F	40	pF @ 4V, 1MHz
Package / Case	DO-214AA, SMB	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the S5JB are identified based on the following critical parameters:

Voltage Rating: All substitute parts maintain the 600 V DC reverse voltage specification, ensuring compatibility with the same circuit voltage environment.

Package Form Factor: All substitutes use the DO-214AA (SMB) surface mount package, maintaining mechanical and electrical interface compatibility with existing PCB layouts.

Current Capacity: Substitute parts are grouped by average rectified current rating. The S5JB operates at 5 A; however, lower-rated alternatives (1 A, 1.5 A, 2 A, 3 A) are included as substitutes for applications where the full 5 A capacity is not required.

Recovery Characteristics: The S5JB features standard recovery (>500 ns). Substitute parts with fast recovery characteristics (≤500 ns) are included as they provide improved switching performance while maintaining functional compatibility.

Forward Voltage: Forward voltage drop varies across substitute parts, ranging from 1.1 V to 1.7 V at rated current. Lower forward voltage reduces power dissipation in high-current applications.

Reverse Leakage Current: All substitutes maintain reverse leakage current at 5 µA @ 600 V, meeting or exceeding the S5JB specification of 10 µA @ 600 V.

Compliance & Certifications: All substitute parts are RoHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the S5JB environmental specifications.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	Speed	Ir @ Vr [µA]	Package	Tj Range [°C]	RoHS
S5JB	Taiwan Semiconductor Corporation	600	5	1.1 @ 5 A	Standard >500ns	10 @ 600 V	DO-214AA, SMB	-55 to 150	ROHS3
ER2J-LTP	Micro Commercial Co	600	2	1.7 @ 2 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-65 to 175	ROHS3
ER3JB-TP	Micro Commercial Co	600	3	1.7 @ 3 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-50 to 150	ROHS3
MURS160-13-F	Diodes Incorporated	600	1	1.25 @ 1 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-55 to 175	ROHS3
MURS160-E3/52T	Vishay General Semiconductor - Diodes Division	600	2	1.25 @ 1 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-65 to 175	ROHS3
MURS160-E3/5BT	Vishay General Semiconductor - Diodes Division	600	2	1.25 @ 1 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-65 to 175	ROHS3
MURS260-E3/52T	Vishay General Semiconductor - Diodes Division	600	2	1.45 @ 2 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-65 to 175	ROHS3
MURS260-E3/5BT	Vishay General Semiconductor - Diodes Division	600	2	1.45 @ 2 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-65 to 175	ROHS3
MURS360S-E3/52T	Vishay General Semiconductor - Diodes Division	600	1.5	1.45 @ 3 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-65 to 175	ROHS3
MURS360S-E3/5BT	Vishay General Semiconductor - Diodes Division	600	1.5	1.45 @ 3 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-65 to 175	ROHS3
RS2J-13-F	Diodes Incorporated	600	1.5	1.3 @ 1.5 A	Fast ≤500ns	5 @ 600 V	DO-214AA, SMB	-65 to 150	ROHS3

Engineering Selection Recommendations

Current Capacity Matching: The S5JB is rated for 5 A average rectified current. Substitute parts with lower current ratings (1 A, 1.5 A, 2 A, 3 A) are suitable only for applications where the circuit current demand does not exceed the substitute part's rating. Direct substitution with equal or higher current capacity is required for full compatibility.

Recovery Speed Consideration: The S5JB features standard recovery characteristics (>500 ns). Substitute parts with fast recovery characteristics (≤500 ns) offer improved switching performance and reduced switching losses. Fast recovery substitutes are electrically compatible and may provide performance benefits in switching applications.

Forward Voltage Drop: The S5JB exhibits 1.1 V forward voltage drop at 5 A. Substitute parts with higher forward voltage (1.25 V to 1.7 V) will result in increased power dissipation. Selection should account for thermal design and efficiency requirements.

Temperature Operating Range: The S5JB operates from -55°C to 150°C junction temperature. Substitute parts with extended temperature ranges (-65°C to 175°C) provide additional thermal margin and are suitable for applications with wider environmental requirements.

Compliance & Certifications: All substitute parts maintain RoHS3 compliance, REACH unaffected status, and MSL 1 (Unlimited) moisture sensitivity rating. All parts carry EAR99 ECCN classification and 8541.10.0080 HTSUS code, ensuring regulatory compatibility.

Packaging Format: All substitute parts use DO-214AA (SMB) surface mount package. Packaging variants (Tape & Reel, Cut Tape, Digi-Reel) affect supply chain logistics but do not alter electrical or mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use a lower-rated current substitute part in place of the S5JB?

A: Lower-rated substitute parts (1 A, 1.5 A, 2 A, 3 A) are suitable only if the application circuit current does not exceed the substitute part's rating. The S5JB's 5 A rating cannot be exceeded by lower-rated alternatives. Circuit analysis must confirm that peak and average current demands remain within the substitute part's specification.

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

A: The S5JB features standard recovery with reverse recovery time exceeding 500 ns. Substitute parts with fast recovery (≤500 ns) switch off more quickly, reducing switching losses and improving efficiency in high-frequency applications. Both types are electrically compatible at the same voltage and current ratings.

Q: Does forward voltage drop affect circuit performance?

A: Forward voltage drop directly impacts power dissipation and heat generation. The S5JB exhibits 1.1 V at 5 A, while some substitutes reach 1.7 V at rated current. Higher forward voltage increases power loss (P = Vf × I). Thermal design and efficiency calculations must account for these differences.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry RoHS3 compliance certification, matching the S5JB environmental specification. All parts are REACH unaffected and carry MSL 1 (Unlimited) moisture sensitivity rating.

Q: Can I use a substitute part with a higher temperature range?

A: Yes. Substitute parts with extended operating temperature ranges (-65°C to 175°C versus the S5JB's -55°C to 150°C) are fully compatible and provide additional thermal margin. Extended temperature range does not affect electrical performance within the S5JB's specified operating window.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel packaging formats. All maintain the same DO-214AA (SMB) surface mount package form factor. Packaging selection affects supply chain and handling but does not alter electrical or mechanical compatibility.

Q: Is the S5JB directly interchangeable with all listed substitute parts?

A: Direct interchangeability depends on current capacity requirements. The S5JB's 5 A rating is not matched by any substitute part listed. Substitutes with lower current ratings (1 A to 3 A) are compatible only for applications where circuit current remains within the substitute part's specification. Voltage rating, package form factor, and compliance certifications are identical across all parts.

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