SBL1060CT Equivalent & Substitute Parts

Part Overview

The SBL1060CT is a Schottky diode array manufactured by Diodes Incorporated, configured as 1 pair common cathode with 60V reverse voltage rating and 10A average rectified current per diode. The device is packaged in TO-220-3 through-hole format and is classified as obsolete. Due to its obsolete status, equivalent substitute parts from active manufacturers are necessary to maintain design continuity and ensure long-term component availability for new production and field replacements.

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)	10A
Voltage - Forward (Vf) (Max) @ If	700 mV @ 5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Mounting Type	Through Hole
Package / Case	TO-220-3
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SBL1060CT is determined by the following critical parameters that must be maintained or exceeded:

Primary Matching Criteria:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 60 V minimum
Current - Average Rectified (Io) (per Diode): 10A minimum
Mounting Type: Through Hole
Package / Case: TO-220-3 compatible
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Secondary Compatibility Factors:

Operating Temperature Range: Must support -55°C to 150°C minimum
RoHS3 Compliance: Required for regulatory alignment
MSL Rating: 1 (Unlimited) preferred

Substitute parts are grouped into two categories: direct electrical equivalents (matching 10A current rating) and higher-current alternatives (15A and 20A ratings) that provide design margin while maintaining all other electrical and mechanical specifications.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Ir @ Vr	Tj (Operating)	Package	Status
SBL1060CT	Diodes Incorporated	60 V	10A	700 mV @ 5 A	500 µA @ 60 V	-65°C ~ 150°C	TO-220-3	Obsolete
STPS20L60CT	STMicroelectronics	60 V	10A	600 mV @ 10 A	350 µA @ 60 V	-55°C ~ 150°C	TO-220-3	Active
DST2060C	Littelfuse Inc.	60 V	10A	645 mV @ 10 A	850 µA @ 60 V	-55°C ~ 150°C	TO-220-3	Active
MBR1060CTL	SMC Diode Solutions	60 V	Not Specified	600 mV @ 5 A	1 mA @ 60 V	-55°C ~ 150°C	TO-220-3	Active
DSTF2060C	Littelfuse Inc.	60 V	10A	650 mV @ 10 A	850 µA @ 60 V	-55°C ~ 150°C	TO-220-3 Full Pack, Isolated Tab	Active
FMW-2106	Sanken Electric USA Inc.	60 V	10A	700 mV @ 5 A	3 mA @ 60 V	-40°C ~ 150°C	TO-220-3 Full Pack	Obsolete
DST3060LC	Littelfuse Inc.	60 V	15A	550 mV @ 15 A	300 µA @ 60 V	-55°C ~ 125°C	TO-220-3	Active
MBR30L60CTG	onsemi	60 V	15A	620 mV @ 15 A	350 µA @ 60 V	-55°C ~ 150°C	TO-220-3	Obsolete
MBR2060CT	Taiwan Semiconductor Corporation	60 V	20A	950 mV @ 20 A	100 µA @ 60 V	-55°C ~ 150°C	TO-220-3	Active
MBR40L60CTG	onsemi	60 V	20A	610 mV @ 20 A	550 µA @ 60 V	-55°C ~ 150°C	TO-220-3	Active

Engineering Selection Recommendations

Primary Substitutes (Direct 10A Equivalents):

STPS20L60CT (STMicroelectronics) is the preferred direct substitute. This part maintains the 10A current rating, 60V reverse voltage specification, and TO-220-3 package format. The device is in active production status, ensuring long-term availability. Forward voltage is reduced to 600 mV @ 10 A compared to the original 700 mV @ 5 A, providing improved thermal performance. Operating temperature range is -55°C to 150°C, which covers the critical upper temperature specification of the original part.

DST2060C (Littelfuse Inc.) provides an alternative direct equivalent with active product status. This part meets all electrical specifications with 645 mV forward voltage @ 10 A and is available in standard TO-220-3 packaging. The manufacturer-recommended status indicates suitability for new designs.

MBR1060CTL (SMC Diode Solutions) is an active substitute with 60V rating and TO-220-3 package. Forward voltage specification is 600 mV @ 5 A. Current rating is not specified in available documentation, requiring verification against application requirements.

Secondary Substitutes (Higher Current Ratings with Design Margin):

DST3060LC (Littelfuse Inc.) provides 15A current rating with 60V reverse voltage in TO-220-3 package. This part is in active production and offers improved current handling capability. Forward voltage is reduced to 550 mV @ 15 A, providing thermal advantage. Operating temperature range is -55°C to 125°C, which maintains the critical upper limit.

MBR30L60CTG (onsemi) is an obsolete part rated for 15A at 60V in TO-220-3 package. Although obsolete, it remains in inventory (5400 pcs). This part should be considered only when higher current margin is required and availability is confirmed.

MBR2060CT (Taiwan Semiconductor Corporation) and MBR40L60CTG (onsemi) are 20A-rated alternatives providing maximum design margin. Both maintain 60V reverse voltage and TO-220-3 packaging. MBR40L60CTG is in active production status. These parts are suitable for applications requiring significant current headroom beyond the original 10A specification.

Compliance and Regulatory Considerations:

All recommended active substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) rating, ensuring compatibility with modern manufacturing and environmental requirements. REACH compliance status varies by manufacturer; verification against specific supply chain requirements is necessary.

Frequently Asked Questions (FAQ)

Q: Can STPS20L60CT directly replace SBL1060CT without circuit modification?

A: Yes. STPS20L60CT maintains identical electrical specifications for the critical parameters: 60V reverse voltage, 10A current rating, fast recovery Schottky technology, and TO-220-3 through-hole package. Forward voltage is slightly lower (600 mV @ 10 A vs. 700 mV @ 5 A), which improves thermal performance. Pin configuration and mechanical dimensions are compatible.

Q: What is the difference between 10A, 15A, and 20A rated parts?

A: The current rating indicates the maximum average rectified current per diode that the device can handle continuously within specified thermal limits. A 10A-rated part (SBL1060CT, STPS20L60CT, DST2060C) is designed for applications requiring up to 10A per diode. A 15A-rated part (DST3060LC, MBR30L60CTG) handles up to 15A, and a 20A-rated part (MBR2060CT, MBR40L60CTG) handles up to 20A. Higher-rated parts provide design margin but may have different forward voltage characteristics.

Q: Why is forward voltage different across substitute parts?

A: Forward voltage (Vf) varies based on semiconductor material quality, junction design, and manufacturing process. The original SBL1060CT specifies 700 mV @ 5 A, while STPS20L60CT specifies 600 mV @ 10 A. Lower forward voltage reduces power dissipation and heat generation. Differences in measurement current (5 A vs. 10 A) also affect reported values. All specified values remain within acceptable Schottky diode performance ranges.

Q: Are there package differences between TO-220-3 and TO-220-3 Full Pack?

A: TO-220-3 is the standard three-lead through-hole package. TO-220-3 Full Pack (used by DSTF2060C and FMW-2106) includes an isolated tab, which provides improved thermal management by allowing the tab to be mounted to a heatsink without electrical isolation requirements. Both are mechanically compatible with standard TO-220-3 PCB footprints, but the isolated tab variant offers thermal advantages in high-power applications.

Q: Why are some substitutes listed as obsolete?

A: Obsolete parts (SBL1060CT, FMW-2106, MBR30L60CTG) are no longer in active production by their manufacturers. However, inventory may remain available from distributors. Active parts (STPS20L60CT, DST2060C, MBR2060CT, MBR40L60CTG) are currently manufactured and recommended for new designs to ensure long-term supply chain continuity.

Q: What does "1 Pair Common Cathode" configuration mean?

A: This describes the internal diode arrangement. A 1 Pair Common Cathode configuration contains two diodes with a shared cathode connection. This is the standard bridge rectifier configuration used in power supply and switching applications. All listed substitutes maintain this identical configuration.

Q: Is RoHS3 compliance required for all substitutes?

A: All recommended active substitutes are ROHS3 compliant, meeting current environmental and regulatory requirements. This compliance status is mandatory for components used in modern manufacturing and ensures compatibility with lead-free soldering processes and hazardous substance restrictions.

Q: Can I use a 15A or 20A rated part in place of a 10A part?

A: Yes, higher-rated parts are electrically compatible and provide design margin. However, forward voltage characteristics differ. A 15A-rated part typically has lower forward voltage (550-620 mV) compared to the original 10A part (700 mV), which reduces power dissipation. A 20A-rated part may have higher forward voltage (950 mV for MBR2060CT), which increases power dissipation. Circuit thermal design must be verified for the selected substitute.

Q: What is the significance of reverse leakage current (Ir)?

A: Reverse leakage current indicates the small current that flows through the diode when reverse-biased. Lower leakage current (100-350 µA) indicates better diode quality and lower standby power consumption. The original SBL1060CT specifies 500 µA @ 60 V. Most active substitutes (STPS20L60CT, DST3060LC, MBR2060CT) have equal or lower leakage, providing equivalent or improved performance.

Q: Are there thermal considerations when selecting a substitute?

A: Yes. Operating temperature range and forward voltage both affect thermal performance. The original SBL1060CT operates from -65°C to 150°C. Most active substitutes operate from -55°C to 150°C, which is acceptable for most applications. Lower forward voltage in substitutes reduces heat generation. Thermal design calculations should account for the specific forward voltage of the selected substitute at the application's operating current.

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