UFS580J/TR13 Equivalent & Substitute Parts

Part Overview

The UFS580J/TR13 is a general-purpose rectifier diode manufactured by Microchip Technology, rated for 800 V DC reverse voltage and 5 A average rectified current in a surface-mount DO-214AB package. This component is classified as Active product status and is designed for standard rectification applications requiring fast recovery characteristics (≤500 ns). Substitute parts are necessary when the primary part is unavailable, when alternative compliance certifications are required, or when design specifications permit operation within the electrical and mechanical parameters of equivalent devices.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	800	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	1.35 @ 5	V @ A
Speed Classification	Fast Recovery ≤500ns, >200mA	-
Reverse Recovery Time (trr)	60	ns
Current - Reverse Leakage @ Vr	10 @ 800	µA @ V
Mounting Type	Surface Mount	-
Package / Case	DO-214AB, SMC	-
Operating Temperature - Junction	-55 to 175	°C
Product Status	Active	-

Substitute Part Grouping Explanation

Substitution of the UFS580J/TR13 is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 800 V
Current - Average Rectified (Io): Must equal or exceed 5 A
Package / Case: Must be DO-214AB or SMC compatible
Mounting Type: Must be Surface Mount

Secondary Compatibility Factors:

Operating Temperature Range: Must accommodate the application's thermal requirements
RoHS and REACH Compliance: Required for specific regulatory environments
Reverse Recovery Time: Affects switching performance in high-frequency applications

Parts are grouped into two categories:

Category 1 - Direct Electrical Equivalents (800 V, 5 A): Parts meeting or exceeding the exact voltage and current ratings of the UFS580J/TR13 with compatible packaging.

Category 2 - Upgraded Electrical Specifications (Higher Voltage or Current): Parts exceeding the UFS580J/TR13 specifications, suitable for applications with higher voltage or current margins.

Parameter Comparison

Parameter	UFS580J/TR13	S5KC-13-F	S5KL-TP	SMLJ60S10-TP	STTH310S
Manufacturer	Microchip Technology	Diodes Incorporated	Micro Commercial Co	Micro Commercial Co	STMicroelectronics
Voltage - DC Reverse (Vr) (Max)	800 V	800 V	800 V	1000 V	1000 V
Current - Average Rectified (Io)	5 A	5 A	5 A	6 A	3 A
Voltage - Forward (Vf) (Max) @ If	1.35 V @ 5 A	1.15 V @ 5 A	1.2 V @ 5 A	1 V @ 6 A	1.7 V @ 3 A
Speed Classification	Fast Recovery ≤500ns	Standard Recovery >500ns	Standard Recovery >500ns	Standard Recovery >500ns	Fast Recovery ≤500ns
Reverse Recovery Time (trr)	60 ns	-	-	-	75 ns
Current - Reverse Leakage @ Vr	10 µA @ 800 V	10 µA @ 800 V	10 µA @ 800 V	5 µA @ 1000 V	10 µA @ 1000 V
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Operating Temperature - Junction	-55°C to 175°C	-65°C to 150°C	-55°C to 150°C	-55°C to 150°C	-40°C to 175°C
Product Status	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

S5KC-13-F (Diodes Incorporated)

This part provides direct electrical equivalence to the UFS580J/TR13 with identical 800 V and 5 A ratings. The S5KC-13-F offers lower forward voltage (1.15 V vs. 1.35 V), reducing power dissipation. This substitute is ROHS3 compliant and suitable for applications requiring regulatory compliance. The operating temperature range (-65°C to 150°C) is narrower at the upper limit compared to the UFS580J/TR13. Selection is appropriate when RoHS compliance is mandatory and the upper temperature limit of 150°C is acceptable.

S5KL-TP (Micro Commercial Co)

This part matches the UFS580J/TR13 in voltage (800 V) and current (5 A) ratings with forward voltage of 1.2 V @ 5 A. The S5KL-TP is ROHS3 compliant and maintains the same operating temperature range as the UFS580J/TR13 at the lower limit (-55°C). The upper temperature limit is 150°C, which is 25°C lower than the primary part. Selection is appropriate when RoHS compliance is required and thermal headroom above 150°C is not critical.

SMLJ60S10-TP (Micro Commercial Co)

This part provides upgraded electrical specifications with 1000 V reverse voltage and 6 A current rating, exceeding the UFS580J/TR13 requirements. The SMLJ60S10-TP offers superior voltage and current margins with lower forward voltage (1 V @ 6 A) and reduced reverse leakage (5 µA @ 1000 V). This substitute is ROHS3 compliant. Selection is appropriate for applications requiring higher voltage or current headroom, or when design specifications permit operation at elevated ratings.

STTH310S (STMicroelectronics)

This part features fast recovery characteristics (75 ns trr) matching the UFS580J/TR13 speed classification. However, the STTH310S is rated for 1000 V and 3 A, providing higher voltage but lower current capacity. The forward voltage is higher (1.7 V @ 3 A). The operating temperature range extends to 175°C at the upper limit, matching the UFS580J/TR13. This substitute is ROHS3 compliant. Selection is appropriate only when current requirements do not exceed 3 A and higher voltage rating is beneficial.

Frequently Asked Questions (FAQ)

Q: Can S5KC-13-F replace UFS580J/TR13 in all applications?

A: S5KC-13-F provides electrical equivalence at 800 V and 5 A ratings. The primary difference is the operating temperature range, which extends to 150°C maximum versus 175°C for the UFS580J/TR13. Substitution is valid when the application does not require operation above 150°C junction temperature.

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

A: Fast recovery diodes have reverse recovery time ≤500 ns, while standard recovery diodes exceed 500 ns. The UFS580J/TR13 and STTH310S are fast recovery devices (60 ns and 75 ns respectively). S5KC-13-F, S5KL-TP, and SMLJ60S10-TP are standard recovery devices. Fast recovery is required in high-frequency switching applications to minimize switching losses.

Q: Is SMLJ60S10-TP suitable as a direct replacement for UFS580J/TR13?

A: SMLJ60S10-TP has higher voltage (1000 V) and current (6 A) ratings than required by the UFS580J/TR13 specifications. It is electrically compatible and can function in the same circuit, but it is an upgraded specification rather than a direct equivalent. Use this part when design margins for voltage or current are desired.

Q: Why does STTH310S have lower current rating than UFS580J/TR13?

A: STTH310S is rated for 3 A average rectified current, which is below the 5 A requirement of UFS580J/TR13. This part is not suitable for applications requiring 5 A continuous current. It is listed as a substitute only for applications where current demand does not exceed 3 A.

Q: What is the impact of RoHS compliance on part selection?

A: The UFS580J/TR13 is RoHS non-compliant, while S5KC-13-F, S5KL-TP, SMLJ60S10-TP, and STTH310S are all ROHS3 compliant. RoHS compliance is mandatory for products sold in regulated markets. Selection of a compliant substitute is required when regulatory requirements apply.

Q: Are all substitute parts available in the same packaging?

A: All parts listed are surface-mount devices in DO-214AB or SMC packages. Mechanical compatibility is maintained across all substitutes. Tape & Reel (TR) and Cut Tape (CT) packaging options may vary by supplier; verify packaging format with the component distributor.

Q: How does forward voltage affect circuit performance?

A: Forward voltage (Vf) determines the voltage drop across the diode during conduction. Lower Vf reduces power dissipation and heat generation. S5KC-13-F (1.15 V) and SMLJ60S10-TP (1 V) have lower forward voltage than UFS580J/TR13 (1.35 V), resulting in improved efficiency. STTH310S (1.7 V) has higher forward voltage and greater power dissipation.

Q: What does reverse leakage current indicate?

A: Reverse leakage current is the small current flowing through the diode when reverse-biased. Lower leakage indicates better blocking performance. SMLJ60S10-TP has the lowest leakage (5 µA @ 1000 V), while other parts are specified at 10 µA. This difference is negligible for most applications.

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