RS3JB-13-F Equivalent & Substitute Parts

Part Overview

The RS3JB-13-F is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 600 V DC reverse voltage and 3 A average rectified current in a Surface Mount SMB (DO-214AA) package. This component is classified as a fast recovery diode with a reverse recovery time of 250 ns and is actively produced with ROHS3 compliance. Equivalent and substitute parts are identified based on matching or exceeding the electrical performance parameters and mechanical compatibility requirements of the original specification.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 3 A	V
Reverse Recovery Time (trr)	250	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the RS3JB-13-F are grouped based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Current - Average Rectified (Io): 3 A or greater
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
Package / Case: DO-214AA (SMB) or DO-214AB (SMC) surface mount packages
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Grouping Logic:

Group 1 - Direct Package Match (DO-214AA / SMB): Parts maintaining the identical SMB package footprint with 3 A current rating and 600 V voltage rating. These provide pin-for-pin compatibility without PCB layout modification.

Group 2 - Package Variant (DO-214AB / SMC): Parts with equivalent electrical specifications but in the larger SMC package. These require PCB footprint adjustment but offer identical electrical performance and thermal characteristics.

Group 3 - Reduced Current Rating (2 A): Parts rated for 2 A average rectified current with 600 V voltage rating. These are suitable for applications where the full 3 A capacity is not required.

Group 4 - Reduced Current Rating (1.5 A): Parts rated for 1.5 A average rectified current with 600 V voltage rating. These are suitable for lower-current applications.

All substitute parts maintain fast recovery characteristics and ROHS3 compliance as required.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	trr [ns]	Ir @ Vr [µA]	Package	Temp Range [°C]
RS3JB-13-F	Diodes Incorporated	600	3	1.3 @ 3 A	250	5 @ 600 V	DO-214AA (SMB)	-65 to 150
MURS360BT3G	onsemi	600	3	1.25 @ 3 A	75	3 @ 600 V	DO-214AA (SMB)	-65 to 175
ER3JB-TP	Micro Commercial Co	600	3	1.7 @ 3 A	35	5 @ 600 V	DO-214AA (SMB)	-50 to 150
CMR3-06 TR13 PBFREE	Central Semiconductor Corp	600	3	1.2 @ 3 A	—	5 @ 600 V	DO-214AB (SMC)	-65 to 175
RS3J-E3/57T	Vishay General Semiconductor - Diodes Division	600	3	1.3 @ 2.5 A	250	10 @ 600 V	DO-214AB (SMC)	-55 to 150
RS3J-E3/9AT	Vishay General Semiconductor - Diodes Division	600	3	1.3 @ 2.5 A	250	10 @ 600 V	DO-214AB (SMC)	-55 to 150
S3J-TP	Micro Commercial Co	600	3	1.2 @ 3 A	—	10 @ 600 V	DO-214AB (SMC)	-55 to 150
ES3J	Good-Ark Semiconductor	600	3	1.7 @ 3 A	35	10 @ 600 V	DO-214AB (SMC)	-55 to 150
CMR2U-06 TR13 PBFREE	Central Semiconductor Corp	600	2	1.7 @ 2 A	100	10 @ 600 V	DO-214AA (SMB)	-60 to 150
MURS260T3G	onsemi	600	2	1.45 @ 2 A	75	5 @ 600 V	DO-214AA (SMB)	-65 to 175
MURS360S-E3/5BT	Vishay General Semiconductor - Diodes Division	600	1.5	1.45 @ 3 A	75	5 @ 600 V	DO-214AA (SMB)	-65 to 175

Engineering Selection Recommendations

Direct Replacement (Same Package - DO-214AA SMB):

The MURS360BT3G (onsemi) is the primary equivalent for the RS3JB-13-F. Both components share identical voltage and current ratings (600 V, 3 A), the same SMB package footprint, and ROHS3 compliance. The MURS360BT3G exhibits superior reverse recovery time (75 ns versus 250 ns) and lower reverse leakage current (3 µA versus 5 µA), with an extended operating temperature range to 175°C. This part is suitable for direct substitution without PCB modification.

The ER3JB-TP (Micro Commercial Co) provides an alternative direct replacement with identical package and current ratings. It features significantly faster reverse recovery time (35 ns) and maintains the same reverse leakage specification (5 µA). Operating temperature range is -50°C to 150°C.

Package Variant Substitutes (DO-214AB SMC):

The CMR3-06 TR13 PBFREE (Central Semiconductor Corp) and S3J-TP (Micro Commercial Co) are functionally equivalent with 600 V, 3 A ratings in the larger SMC package. These require PCB footprint modification but offer extended operating temperature ranges (up to 175°C for CMR3-06). Both maintain ROHS3 compliance.

The RS3J-E3/57T and RS3J-E3/9AT (Vishay General Semiconductor - Diodes Division) are SMC package variants with identical voltage and current specifications. These share the same base product number (RS3J) as the original part and maintain the 250 ns reverse recovery time characteristic.

The ES3J (Good-Ark Semiconductor) is an SMC package option with 600 V, 3 A rating and fast recovery characteristics (35 ns trr).

Reduced Current Rating Substitutes:

The CMR2U-06 TR13 PBFREE (Central Semiconductor Corp) and MURS260T3G (onsemi) are rated for 2 A average rectified current in SMB packages. These are suitable for applications where the full 3 A capacity is not required. Both maintain 600 V voltage rating and ROHS3 compliance.

The MURS360S-E3/5BT (Vishay General Semiconductor - Diodes Division) is rated for 1.5 A in an SMB package. This part is appropriate for lower-current applications requiring the SMB footprint.

Compliance and Status:

All listed substitute parts are active products with ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, matching the regulatory profile of the original RS3JB-13-F.

Frequently Asked Questions (FAQ)

Q: Can the MURS360BT3G directly replace the RS3JB-13-F without PCB modification?

A: Yes. Both components use the DO-214AA (SMB) package with identical footprints. The MURS360BT3G maintains the same 600 V and 3 A electrical specifications and is a direct pin-for-pin substitute.

Q: What is the difference between SMB and SMC packages?

A: SMB (DO-214AA) and SMC (DO-214AB) are both surface mount diode packages but differ in physical dimensions. SMC is larger than SMB. Substituting between these packages requires PCB footprint modification. Electrical performance is independent of package type.

Q: Why do some substitute parts have lower reverse recovery times than the original RS3JB-13-F?

A: Reverse recovery time (trr) is a manufacturing characteristic that varies by manufacturer and product line. Lower trr values indicate faster switching behavior. Parts with lower trr values (such as MURS360BT3G at 75 ns or ER3JB-TP at 35 ns) are compatible substitutes and often provide improved performance in switching applications.

Q: Can I use a 2 A rated diode in place of the 3 A RS3JB-13-F?

A: A 2 A rated diode (such as CMR2U-06 or MURS260T3G) can be used only if the application circuit does not require the full 3 A capacity. The 2 A rating represents the maximum average rectified current the component can safely handle. Using an undersized component in a 3 A application will result in component failure.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance, matching the regulatory status of the original RS3JB-13-F.

Q: What is the significance of reverse leakage current differences between parts?

A: Reverse leakage current (Ir) is the small current that flows through a reverse-biased diode. Lower values indicate better diode quality and lower power dissipation in the reverse-biased state. Differences between 3 µA and 10 µA are typically negligible in most applications, but critical applications may require specification of maximum leakage limits.

Q: Can I substitute an SMC package part for an SMB package part in an existing PCB?

A: No. SMB and SMC packages have different physical dimensions and PCB footprints. Substitution between these packages requires PCB redesign and layout modification. Direct substitution is only possible between parts using the identical package designation.

Q: What does "fast recovery" mean in the context of these diodes?

A: Fast recovery refers to the speed at which the diode transitions from conducting to blocking state when reverse bias is applied. Fast recovery diodes (≤ 500 ns) are suitable for high-frequency switching applications. The RS3JB-13-F and its substitutes all meet the fast recovery specification.

Q: How do I determine if a substitute part is suitable for my application?

A: Verify that the substitute part meets or exceeds the following minimum requirements: (1) Voltage - DC Reverse rating ≥ 600 V, (2) Current - Average Rectified rating ≥ required circuit current, (3) Package type matches PCB footprint or redesign is acceptable, (4) Operating temperature range includes your application environment, (5) RoHS and regulatory compliance matches your requirements.

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