STTH60P03SW Equivalent & Substitute Parts

Part Overview

The STTH60P03SW is a general-purpose rectifier diode manufactured by STMicroelectronics, rated for 300 V DC reverse voltage and 60 A average rectified current in a Through Hole TO-247-3 package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or design flexibility within the same application class.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	300	V
Current - Average Rectified (Io)	60	A
Voltage - Forward (Vf) (Max) @ If	1.5 @ 30	V @ A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	100	µA @ 300 V
Operating Temperature - Junction (Max)	175	°C
Mounting Type	Through Hole	—
Package / Case	TO-247-3	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the STTH60P03SW with the SDUR6030WT is based on the following electrical and mechanical equivalence criteria:

Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 300 V
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
Mounting Type: Through Hole
Package / Case: TO-247-3
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Functional Compatibility: Both components operate within the same voltage class (300 V) and package form factor (TO-247-3), enabling direct mechanical and electrical substitution in applications requiring fast recovery rectification. The SDUR6030WT is configured as a 1 Pair Common Cathode diode array, which provides equivalent rectification performance within the specified voltage and speed parameters.

Parameter Comparison

Parameter	STTH60P03SW (Main Part)	SDUR6030WT (Substitute)	Unit
Manufacturer	STMicroelectronics	SMC Diode Solutions	—
Voltage - DC Reverse (Vr) (Max)	300	300	V
Voltage - Forward (Vf) (Max) @ If	1.5 @ 30	1.3 @ 30	V @ A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	—	45	ns
Current - Reverse Leakage @ Vr	100	5	µA @ 300 V
Operating Temperature - Junction (Max)	175	150	°C
Mounting Type	Through Hole	Through Hole	—
Package / Case	TO-247-3	TO-247-3	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	—
Product Status	Active	Active	—

Engineering Selection Recommendations

Both the STTH60P03SW and SDUR6030WT are Active product status components with ROHS3 compliance, suitable for applications requiring 300 V rectification in TO-247-3 packages. The STTH60P03SW operates at a maximum junction temperature of 175°C, while the SDUR6030WT operates at a maximum of 150°C. The SDUR6030WT exhibits lower forward voltage (1.3 V versus 1.5 V at 30 A) and significantly lower reverse leakage current (5 µA versus 100 µA at 300 V), resulting in reduced power dissipation and improved thermal performance in applications where these characteristics are beneficial. Component selection should be based on thermal design requirements, available inventory, and application-specific performance criteria within the specified voltage and package constraints.

Frequently Asked Questions (FAQ)

Q: Can the SDUR6030WT directly replace the STTH60P03SW in existing designs?

A: Both components share identical voltage ratings (300 V), package form factor (TO-247-3), and fast recovery speed classification. Direct mechanical substitution is supported. Electrical performance differences include lower forward voltage and reverse leakage in the SDUR6030WT, which may improve thermal efficiency but should be evaluated against application-specific requirements.

Q: What is the significance of the TO-247-3 package compatibility?

A: The TO-247-3 package is a three-terminal Through Hole configuration. Both components use this identical package, ensuring mechanical fit and pin compatibility in PCB layouts and thermal management designs without modification.

Q: How do the reverse leakage current specifications differ?

A: The STTH60P03SW specifies 100 µA reverse leakage at 300 V, while the SDUR6030WT specifies 5 µA at 300 V. Lower reverse leakage reduces standby power dissipation and improves efficiency in applications with sustained reverse voltage conditions.

Q: What is the difference in forward voltage performance?

A: The STTH60P03SW forward voltage is 1.5 V at 30 A, while the SDUR6030WT is 1.3 V at 30 A. The lower forward voltage of the SDUR6030WT results in reduced conduction losses and heat generation during forward current operation.

Q: Are both components RoHS compliant?

A: Both the STTH60P03SW and SDUR6030WT are ROHS3 compliant, meeting environmental and regulatory requirements for lead-free manufacturing and restricted substance limitations.

Q: What is the maximum junction temperature difference between these components?

A: The STTH60P03SW operates at a maximum junction temperature of 175°C, while the SDUR6030WT operates at 150°C. Thermal design considerations should account for this 25°C difference when selecting components for high-temperature applications.

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