UFS360J/TR13 Equivalent & Substitute Parts

Part Overview

The UFS360J/TR13 is a general-purpose rectifier diode manufactured by Microchip Technology, rated for 600 V DC reverse voltage and 3 A average rectified current in a surface mount DO-214AB (SMC) package. This component is classified as a fast recovery diode with a reverse recovery time of 60 ns, suitable for power supply and switching applications requiring efficient rectification at moderate current levels.

The part is currently Active in product status with RoHS non-compliant classification. Equivalent and substitute parts are identified based on matching or exceeding the electrical specifications and maintaining compatibility with the DO-214AB surface mount package format. Substitutes are necessary when the primary part is unavailable, when design requirements demand improved performance characteristics, or when compliance certifications must be upgraded.

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
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	60	ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V	µA
Mounting Type	Surface Mount	—
Package / Case	DO-214AB, SMC	—
Operating Temperature - Junction	-55°C ~ 175°C	°C
RoHS Status	RoHS non-compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution logic for the UFS360J/TR13 is based on the following critical parameters:

Mandatory Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Current - Average Rectified (Io): 3 A minimum
Package / Case: DO-214AB (SMC) surface mount format
Mounting Type: Surface Mount

Performance Considerations:

Voltage - Forward (Vf) (Max) @ If: Substitute parts with equal or lower forward voltage drop are preferred for efficiency
Speed Classification: Fast recovery (≤ 500ns) or standard recovery (> 500ns) both acceptable; fast recovery preferred for switching applications
Reverse Recovery Time (trr): Lower values indicate faster switching performance
Operating Temperature Range: Substitute parts must support the application's thermal requirements

Substitute parts are grouped into two categories:

Direct Substitutes (Electrical Equivalents): Parts matching 600 V, 3 A specifications with DO-214AB packaging. These include S3J-TP, ER3J-TP, ES3J, MURS360T3G, S3J (Diotec), and S3J-13-F.

Functional Alternatives (Higher Current Rating): SMLJ60S6-TP rated for 6 A at 600 V, suitable for applications where increased current capacity is beneficial without circuit modification.

Lower Current Alternatives: STTH2R06S rated for 2 A at 600 V, suitable only for applications with reduced current requirements.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Tj (Max) [°C]	RoHS Status
UFS360J/TR13	Microchip Technology	600	3	1.2 @ 3A	Fast Recovery ≤ 500ns	60	10 @ 600V	175	Non-compliant
S3J-TP	Micro Commercial Co	600	3	1.2 @ 3A	Standard Recovery > 500ns	—	10 @ 600V	150	ROHS3 Compliant
ER3J-TP	Micro Commercial Co	600	3	1.7 @ 3A	Fast Recovery ≤ 500ns	35	5 @ 600V	175	ROHS3 Compliant
ES3J	Good-Ark Semiconductor	600	3	1.7 @ 3A	Fast Recovery ≤ 500ns	35	10 @ 600V	150	ROHS3 Compliant
MURS360T3G	onsemi	600	3	1.25 @ 3A	Fast Recovery ≤ 500ns	75	10 @ 600V	175	ROHS3 Compliant
S3J	Diotec Semiconductor	600	3	1.15 @ 3A	Standard Recovery > 500ns	1500	5 @ 600V	150	ROHS3 Compliant
S3J-13-F	Diodes Incorporated	600	3	1.15 @ 3A	Standard Recovery > 500ns	—	10 @ 600V	150	ROHS3 Compliant
SMLJ60S6-TP	Micro Commercial Co	600	6	1.0 @ 6A	Standard Recovery > 500ns	—	5 @ 600V	150	ROHS3 Compliant
STTH2R06S	STMicroelectronics	600	2	1.7 @ 2A	Fast Recovery ≤ 500ns	50	2 @ 600V	175	ROHS3 Compliant
STTH3L06S	STMicroelectronics	600	3	1.3 @ 3A	Fast Recovery ≤ 500ns	85	3 @ 600V	175	ROHS3 Compliant
STTH3R06S	STMicroelectronics	600	3	1.7 @ 3A	Fast Recovery ≤ 500ns	35	3 @ 600V	175	ROHS3 Compliant

Engineering Selection Recommendations

Primary Direct Substitutes (Recommended for Equivalent Performance):

MURS360T3G (onsemi) and STTH3L06S (STMicroelectronics) are the preferred direct substitutes. Both maintain 600 V / 3 A specifications, support the full -55°C to 175°C junction temperature range matching the UFS360J/TR13, and carry ROHS3 compliance certification. MURS360T3G offers forward voltage of 1.25 V @ 3 A with 75 ns reverse recovery time. STTH3L06S provides 1.3 V @ 3 A with 85 ns reverse recovery time. Both are suitable for direct replacement in existing designs without thermal or electrical derating.

Alternative Direct Substitutes (Compliance-Upgraded Options):

ER3J-TP (Micro Commercial Co) and STTH3R06S (STMicroelectronics) provide fast recovery performance (35 ns trr) with ROHS3 compliance. ER3J-TP operates to 175°C maximum junction temperature but exhibits higher forward voltage (1.7 V @ 3 A). STTH3R06S also reaches 175°C and maintains 1.7 V @ 3 A forward voltage. These parts are suitable when improved switching speed is required and higher forward voltage drop is acceptable.

Standard Recovery Alternatives (Lower Cost Options):

S3J-TP (Micro Commercial Co), S3J (Diotec Semiconductor), and S3J-13-F (Diodes Incorporated) all provide 600 V / 3 A ratings with standard recovery characteristics (> 500ns). These parts carry ROHS3 compliance but operate to 150°C maximum junction temperature, reducing the thermal margin compared to the UFS360J/TR13. Forward voltage ranges from 1.15 V to 1.2 V @ 3 A. Selection is appropriate for applications where switching frequency is moderate and thermal headroom is not critical.

Higher Current Alternative (Design Flexibility):

SMLJ60S6-TP (Micro Commercial Co) provides 600 V / 6 A rating in the same DO-214AB package. This part is suitable for applications where current requirements may increase or where design margin is desired. Forward voltage is 1.0 V @ 6 A, offering improved efficiency at higher currents. ROHS3 compliant with 150°C maximum junction temperature.

Lower Current Alternative (Current-Limited Applications):

STTH2R06S (STMicroelectronics) is rated for 600 V / 2 A and is suitable only for applications with reduced current requirements below 2 A. This part should not be used as a substitute for the UFS360J/TR13 in 3 A circuits due to current rating mismatch.

Compliance Consideration:

The UFS360J/TR13 is RoHS non-compliant. All recommended substitutes carry ROHS3 compliance certification, making them suitable for designs requiring RoHS compliance without additional qualification.

Frequently Asked Questions (FAQ)

Q: Can I use S3J-TP as a direct replacement for UFS360J/TR13?

A: S3J-TP is electrically compatible, matching 600 V / 3 A specifications and DO-214AB packaging. However, it operates to 150°C maximum junction temperature versus 175°C for the UFS360J/TR13, reducing thermal margin by 25°C. S3J-TP also exhibits standard recovery characteristics (> 500ns) compared to fast recovery (≤ 500ns) of the UFS360J/TR13. Selection depends on application switching frequency and thermal environment. For high-frequency switching or high-temperature operation, MURS360T3G or STTH3L06S are preferred.

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

A: Fast recovery diodes have reverse recovery time (trr) ≤ 500 ns, enabling faster switching transitions and reduced switching losses in high-frequency applications. Standard recovery diodes have trr > 500 ns, resulting in slower switching but lower cost. The UFS360J/TR13 is fast recovery (60 ns trr). Substitutes like S3J-TP (standard recovery) are suitable for lower-frequency applications but may increase switching losses in high-frequency circuits.

Q: Can SMLJ60S6-TP replace UFS360J/TR13 in a 3 A circuit?

A: Yes, SMLJ60S6-TP is electrically compatible and suitable for 3 A operation. It is rated for 6 A maximum, providing 100% current margin. The 600 V reverse voltage rating matches the UFS360J/TR13. Forward voltage is lower (1.0 V @ 6 A), improving efficiency. However, SMLJ60S6-TP operates to 150°C maximum junction temperature, reducing thermal margin. Selection is appropriate when design margin and efficiency improvement are priorities.

Q: Why do some substitutes have higher forward voltage (Vf)?

A: Forward voltage varies with semiconductor material quality, doping profile, and manufacturing process. Higher Vf (e.g., 1.7 V for ER3J-TP and STTH3R06S versus 1.2 V for UFS360J/TR13) results in increased power dissipation at the same current. Parts with higher Vf typically offer faster recovery time (lower trr), trading conduction loss for reduced switching loss. Selection depends on circuit operating frequency and thermal design.

Q: Is the DO-214AB package the same as SMC?

A: Yes. DO-214AB and SMC (Surface Mount Case) refer to the same physical package format. All substitute parts listed use this package, ensuring mechanical and electrical compatibility with existing PCB layouts and solder reflow processes.

Q: What does RoHS3 compliance mean?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, hexavalent chromium, and certain flame retardants. The UFS360J/TR13 is RoHS non-compliant. All recommended substitutes carry ROHS3 certification, suitable for designs requiring environmental compliance without additional material qualification.

Q: Can I use STTH2R06S (2 A) instead of UFS360J/TR13 (3 A)?

A: No. STTH2R06S is rated for maximum 2 A average rectified current, which is below the 3 A requirement of the UFS360J/TR13. Using an undersized diode in a 3 A circuit will cause excessive current density, leading to thermal runaway and premature failure. STTH2R06S is suitable only for applications with current requirements ≤ 2 A.

Q: What is reverse leakage current (Ir)?

A: Reverse leakage current is the small current flowing through the diode when reverse-biased at rated voltage. Lower Ir indicates better blocking performance and lower standby power dissipation. The UFS360J/TR13 has Ir = 10 µA @ 600 V. Substitutes range from 2 µA (STTH2R06S) to 10 µA (S3J-TP, MURS360T3G). Lower Ir is preferred for low-power standby applications.

Q: What is the operating temperature range consideration?

A: The UFS360J/TR13 operates from -55°C to 175°C junction temperature. Substitutes like S3J-TP and SMLJ60S6-TP operate to 150°C maximum, reducing high-temperature margin by 25°C. For applications operating near 150°C, MURS360T3G, STTH3L06S, STTH3R06S, or ER3J-TP are preferred, all supporting 175°C maximum junction temperature.

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