STPS30SM60D Equivalent & Substitute Parts

Part Overview

The STPS30SM60D is a Schottky rectifier diode manufactured by STMicroelectronics, rated for 60 V DC reverse voltage and 30 A average rectified current in a Through Hole TO-220AC package. This component is classified as Obsolete, necessitating identification of equivalent alternatives for ongoing design support and procurement requirements. Substitute parts must maintain electrical compatibility within the specified voltage and current parameters while accommodating the Through Hole TO-220AC form factor.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io)	30	A
Voltage - Forward (Vf) (Max) @ If	640 mV @ 30 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	135	µA @ 60 V
Mounting Type	Through Hole	—
Package / Case	TO-220-2	—
Operating Temperature - Junction (Max)	150	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the STPS30SM60D is constrained by the following critical electrical and mechanical parameters:

Voltage Compatibility: The substitute part must support a minimum DC reverse voltage rating of 60 V to maintain circuit protection and reliability.

Current Rating: The substitute part must support the average rectified current requirement of 30 A. Parts with lower current ratings cannot be used as direct substitutes in applications requiring the full 30 A specification.

Package Compatibility: The substitute part must use the Through Hole TO-220AC package to ensure mechanical and thermal compatibility with existing PCB layouts and heat dissipation requirements.

Technology Type: Schottky diode technology must be maintained to preserve the fast recovery characteristics and forward voltage performance of the original design.

Compliance Requirements: The substitute part must maintain ROHS3 compliance and EAR99 export classification to satisfy regulatory and procurement standards.

The MBR760, manufactured by Diodes Incorporated, shares the same voltage rating (60 V) and package type (TO-220AC) but has a significantly lower current rating of 7.5 A, which is insufficient for applications requiring the full 30 A capacity of the STPS30SM60D.

Parameter Comparison

Parameter	STPS30SM60D (STMicroelectronics)	MBR760 (Diodes Incorporated)	Compatibility
Voltage - DC Reverse (Vr) (Max)	60 V	60 V	Match
Current - Average Rectified (Io)	30 A	7.5 A	Mismatch
Voltage - Forward (Vf) (Max) @ If	640 mV @ 30 A	750 mV @ 7.5 A	Different Operating Points
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Match
Current - Reverse Leakage @ Vr	135 µA @ 60 V	500 µA @ 60 V	Higher Leakage in MBR760
Mounting Type	Through Hole	Through Hole	Match
Package / Case	TO-220-2	TO-220-2	Match
Operating Temperature - Junction (Max)	150°C	150°C	Match
Technology	Schottky	Schottky	Match
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Match

Engineering Selection Recommendations

Direct Substitution Status: The MBR760 is not a direct substitute for the STPS30SM60D due to insufficient current rating. The MBR760 is rated for 7.5 A average rectified current, which is 75% below the 30 A requirement of the STPS30SM60D.

Voltage and Package Compatibility: Both parts share identical voltage ratings (60 V) and package specifications (TO-220AC), satisfying mechanical and thermal interface requirements.

Compliance Alignment: Both parts maintain ROHS3 compliance and EAR99 export classification, ensuring regulatory continuity.

Leakage Current Consideration: The MBR760 exhibits higher reverse leakage current (500 µA @ 60 V) compared to the STPS30SM60D (135 µA @ 60 V), which may impact circuit performance in applications sensitive to leakage characteristics.

Application-Specific Evaluation: Selection of an alternative part requires confirmation that the application current demand does not exceed 7.5 A. For applications requiring the full 30 A capacity, alternative 60 V Schottky diodes with higher current ratings in TO-220AC packaging must be sourced.

Frequently Asked Questions (FAQ)

Q: Can the MBR760 replace the STPS30SM60D in all applications?

A: No. The MBR760 has a maximum average rectified current rating of 7.5 A, while the STPS30SM60D is rated for 30 A. The MBR760 is suitable only for applications requiring 7.5 A or less.

Q: Are the voltage ratings compatible between these parts?

A: Yes. Both the STPS30SM60D and MBR760 are rated for 60 V DC reverse voltage, making them electrically compatible in terms of voltage specification.

Q: Do both parts use the same package?

A: Yes. Both parts use the Through Hole TO-220AC package, ensuring identical PCB footprint and thermal interface compatibility.

Q: What is the significance of the reverse leakage current difference?

A: The MBR760 exhibits 500 µA reverse leakage at 60 V, compared to 135 µA for the STPS30SM60D. Higher leakage current may affect circuit performance in precision applications or increase power dissipation in standby conditions.

Q: Are both parts RoHS compliant?

A: Yes. Both the STPS30SM60D and MBR760 are ROHS3 compliant, satisfying environmental and regulatory requirements.

Q: What should be considered when selecting a substitute for the STPS30SM60D?

A: Substitute selection must prioritize current rating as the primary constraint. The substitute part must support the full 30 A average rectified current requirement. Secondary considerations include reverse leakage current, forward voltage characteristics, and thermal performance under specified operating conditions.

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