STPS20SM60CT Equivalent & Substitute Parts

Part Overview

The STPS20SM60CT is a Schottky diode array manufactured by STMicroelectronics, configured as 1 pair common cathode with 60 V reverse voltage rating and 10 A average rectified current per diode. The device is packaged in TO-220-3 through-hole configuration and is classified as obsolete product status. Due to its obsolete classification, equivalent and substitute parts from active manufacturers are necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	60 V
Current - Average Rectified (Io) (per Diode)	10 A
Voltage - Forward (Vf) (Max) @ If	645 mV @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	40 µA @ 60 V
Operating Temperature - Junction	150°C (Max)
Mounting Type	Through Hole
Package / Case	TO-220-3
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the STPS20SM60CT is determined by the following critical parameters:

Mandatory Matching Parameters:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 60 V
Mounting Type: Through Hole
Package / Case: TO-220-3

Current Rating Considerations: Substitute parts are grouped into two categories based on average rectified current per diode:

Direct Equivalents (10 A Rating): Parts with 10 A current rating maintain identical electrical performance to the STPS20SM60CT and are suitable for direct replacement in applications designed for this current level.
Higher Current Rated Substitutes (20 A Rating): Parts with 20 A current rating provide increased current capacity while maintaining the same voltage rating and package configuration. These are suitable for applications where higher current handling is required or where design margin is desired.

Secondary Compatibility Parameters:

Forward voltage drop (Vf) at rated current
Reverse leakage current (Ir)
Operating temperature range
Product status (Active vs. Obsolete)
Regulatory compliance (RoHS, REACH)

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Ir @ Vr	Speed	Tj (Max)	Package	Product Status
STPS20SM60CT	STMicroelectronics	60 V	10 A	645 mV @ 10 A	40 µA @ 60 V	Fast Recovery ≤ 500ns	150°C	TO-220-3	Obsolete
MBR2060CT	Taiwan Semiconductor Corporation	60 V	20 A	950 mV @ 20 A	100 µA @ 60 V	Fast Recovery ≤ 500ns	150°C	TO-220-3	Active
MBR2060CTL	SMC Diode Solutions	60 V	Not Specified	690 mV @ 10 A	1 mA @ 60 V	Fast Recovery ≤ 500ns	125°C	TO-220-3	Active
MBR2060CTP	Diodes Incorporated	60 V	20 A	950 mV @ 20 A	100 µA @ 60 V	Fast Recovery ≤ 500ns	150°C	TO-220-3 Isolated Tab	Obsolete
VFT2060C-E3/4W	Vishay General Semiconductor - Diodes Division	60 V	10 A	650 mV @ 10 A	850 µA @ 60 V	Fast Recovery ≤ 500ns	150°C	TO-220-3 Full Pack, Isolated Tab	Active
SBR2060CT	Diodes Incorporated	60 V	10 A	700 mV @ 10 A	500 µA @ 60 V	Standard Recovery >500ns	150°C	TO-220-3	Active
SBR20U60CT	Diodes Incorporated	60 V	10 A	710 mV @ 20 A	500 µA @ 60 V	Fast Recovery ≤ 500ns	150°C	TO-220-3	Active
SBR20U60CT-G	Diodes Incorporated	60 V	20 A	710 mV @ 20 A	500 µA @ 60 V	Standard Recovery >500ns	150°C	TO-220-3	Active
DST2060C	Littelfuse Inc.	60 V	10 A	645 mV @ 10 A	850 µA @ 60 V	Fast Recovery ≤ 500ns	150°C	TO-220-3	Active

Engineering Selection Recommendations

Direct Replacement (Schottky Technology, 10 A Rating, Active Status):

The VFT2060C-E3/4W from Vishay General Semiconductor and DST2060C from Littelfuse Inc. are parametric equivalents with active product status. Both devices maintain the 60 V reverse voltage rating, 10 A current rating, and fast recovery speed characteristics of the STPS20SM60CT. VFT2060C-E3/4W is available in full pack isolated tab configuration and carries ROHS3 compliance with REACH unaffected status. DST2060C is available in standard TO-220-3 package with ROHS3 compliance and REACH unaffected status.

Higher Current Capacity Substitutes (Schottky Technology, 20 A Rating, Active Status):

The MBR2060CT from Taiwan Semiconductor Corporation provides increased current capacity at 20 A while maintaining 60 V reverse voltage rating and fast recovery speed. This device is active status with ROHS3 compliance and REACH unaffected status. The MBR2060CTP from Diodes Incorporated offers similar 20 A current rating with isolated tab package configuration but carries obsolete product status.

Alternative Technology (Super Barrier, 10 A Rating, Active Status):

The SBR2060CT and SBR20U60CT from Diodes Incorporated employ Super Barrier technology rather than Schottky technology. Both maintain 60 V reverse voltage and 10 A current rating with active product status and ROHS3 compliance. SBR2060CT operates with standard recovery speed (>500ns), while SBR20U60CT operates with fast recovery speed (≤500ns). Both devices carry REACH unaffected status.

Higher Current Alternative Technology (Super Barrier, 20 A Rating, Active Status):

The SBR20U60CT-G from Diodes Incorporated provides 20 A current capacity with Super Barrier technology, 60 V reverse voltage rating, and active product status. This device operates with standard recovery speed and carries ROHS3 compliance with REACH unaffected status.

Considerations for MBR2060CTL:

The MBR2060CTL from SMC Diode Solutions maintains 60 V reverse voltage and fast recovery speed with active product status. However, average rectified current per diode is not specified in available documentation. Operating temperature maximum is rated at 125°C compared to 150°C for the STPS20SM60CT. REACH status is listed as affected. This device carries ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can MBR2060CT be used as a direct replacement for STPS20SM60CT?

A: MBR2060CT is not a direct replacement. While both devices share the same 60 V reverse voltage rating, TO-220-3 package configuration, and Schottky technology, MBR2060CT is rated for 20 A average rectified current per diode compared to 10 A for STPS20SM60CT. MBR2060CT is suitable for applications requiring higher current capacity or where design margin is desired. Forward voltage drop at rated current differs between the two devices.

Q: What is the difference between Schottky and Super Barrier technology in these substitutes?

A: Both Schottky and Super Barrier technologies are represented in the substitute parts list. Schottky technology is used in MBR2060CT, MBR2060CTL, MBR2060CTP, VFT2060C-E3/4W, and DST2060C. Super Barrier technology is used in SBR2060CT, SBR20U60CT, and SBR20U60CT-G. The STPS20SM60CT uses Schottky technology. Technology selection depends on application requirements for forward voltage drop, reverse leakage current, and recovery speed characteristics.

Q: Are isolated tab package variants compatible with standard TO-220-3 mounting?

A: VFT2060C-E3/4W is specified as TO-220-3 Full Pack with Isolated Tab, and MBR2060CTP is specified as TO-220-3 Isolated Tab. These variants have different thermal and electrical isolation characteristics compared to standard TO-220-3 packages. Isolated tab configurations are used in applications requiring electrical isolation between the device tab and mounting surface. Mechanical mounting compatibility exists, but electrical circuit design must account for isolation characteristics.

Q: Which substitute parts have active product status?

A: The following substitute parts carry active product status: MBR2060CT, MBR2060CTL, VFT2060C-E3/4W, SBR2060CT, SBR20U60CT, SBR20U60CT-G, and DST2060C. The STPS20SM60CT and MBR2060CTP are classified as obsolete. Active product status indicates ongoing manufacturer support and availability.

Q: What are the regulatory compliance differences among substitute parts?

A: All substitute parts listed carry ROHS3 compliance. REACH status varies: MBR2060CT, VFT2060C-E3/4W, SBR2060CT, SBR20U60CT, SBR20U60CT-G, and DST2060C are REACH unaffected. MBR2060CTL and MBR2060CTP are REACH affected. Applications subject to REACH regulations should select parts with REACH unaffected status.

Q: Can SBR2060CT be used in place of STPS20SM60CT?

A: SBR2060CT shares the same 60 V reverse voltage rating, 10 A current rating, TO-220-3 package, and operating temperature maximum of 150°C. However, SBR2060CT uses Super Barrier technology with standard recovery speed (>500ns) compared to Schottky technology with fast recovery speed (≤500ns) in STPS20SM60CT. Forward voltage drop is 700 mV @ 10 A for SBR2060CT versus 645 mV @ 10 A for STPS20SM60CT. Reverse leakage current is 500 µA @ 60 V for SBR2060CT versus 40 µA @ 60 V for STPS20SM60CT. Application requirements for switching speed and leakage current determine suitability.

Q: What is the significance of forward voltage drop differences between substitute parts?

A: Forward voltage drop (Vf) affects power dissipation and thermal performance in rectification circuits. STPS20SM60CT specifies 645 mV @ 10 A. Substitute parts with lower Vf (VFT2060C-E3/4W at 650 mV @ 10 A, DST2060C at 645 mV @ 10 A) provide similar performance. Substitute parts with higher Vf at different current ratings (MBR2060CT at 950 mV @ 20 A, SBR2060CT at 700 mV @ 10 A) require evaluation based on actual circuit operating current.

Q: Why is reverse leakage current specified at different values across substitute parts?

A: Reverse leakage current (Ir) varies based on semiconductor manufacturing process, doping profile, and temperature. STPS20SM60CT specifies 40 µA @ 60 V. Substitute parts show variation: MBR2060CT at 100 µA @ 60 V, MBR2060CTL at 1 mA @ 60 V, VFT2060C-E3/4W at 850 µA @ 60 V, SBR2060CT at 500 µA @ 60 V, and DST2060C at 850 µA @ 60 V. Applications sensitive to leakage current, such as precision analog circuits or high-impedance applications, require careful evaluation of this parameter.

Q: Is operating temperature range a critical factor in selecting a substitute?

A: STPS20SM60CT specifies maximum junction temperature of 150°C. Most substitute parts maintain this rating. MBR2060CTL specifies maximum junction temperature of 125°C, which is lower. Applications operating at elevated ambient temperatures or with high power dissipation require verification that the selected substitute part can maintain safe junction temperature within the thermal design of the application.

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