STTH10LCD06CT Equivalent & Substitute Parts

Part Overview

The STTH10LCD06CT is an active general-purpose diode array manufactured by STMicroelectronics, configured as a 1 Pair Common Cathode rectifier with 600 V reverse voltage rating and 5 A average rectified current per diode. This component is packaged in a Through Hole TO-220-3 configuration and is RoHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters are required for circuit design flexibility, inventory management, or component availability across different manufacturing sources.

Substiute Parts

STTH10LCD06CT

STMicroelectronicsIn Stock: 1295STTH10LCD06CT Datasheet

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DSEC16-06A

IXYSIn Stock: 1537DSEC16-06A Datasheet

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LXA16T600C

Power IntegrationsIn Stock: 5153LXA16T600C Datasheet

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SDUR1060CT

SMC Diode SolutionsIn Stock: 1891SDUR1060CT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the STTH10LCD06CT are qualified based on the following critical parameters that determine functional equivalence:

Mandatory Matching Parameters:

• Voltage - DC Reverse (Vr) (Max): 600 V
• Diode Configuration: 1 Pair Common Cathode
• Mounting Type: Through Hole
• Package / Case: TO-220-3
• Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Allowable Variation Parameters:

• Current - Average Rectified (Io) (per Diode): Equal to or greater than 5 A
• Voltage - Forward (Vf) (Max) @ If: Within acceptable circuit operating margins
• Reverse Recovery Time (trr): Equal to or less than 50 ns
• Operating Temperature - Junction: Equal to or greater than 175°C maximum

All identified substitute parts maintain the same 600 V reverse voltage rating, common cathode configuration, and TO-220-3 package format. Variations in current rating, forward voltage, and recovery time reflect different semiconductor technologies and manufacturing processes while preserving circuit compatibility.

Parameter Comparison

Engineering Selection Recommendations

DSEC16-06A (IXYS HiPerFRED™ Series)

The DSEC16-06A is a direct substitute with higher current capacity (10 A versus 5 A) and improved reverse recovery time (35 ns versus 50 ns). This part maintains ROHS3 compliance and operates across an extended temperature range (-55°C to 175°C). The higher current rating provides design margin for applications requiring increased current handling. Forward voltage is marginally higher at 2.1 V @ 10 A compared to 2 V @ 5 A on the original part.

LXA16T600C (Power Integrations Qspeed™ Series)

The LXA16T600C employs Schottky technology with the fastest reverse recovery time (21.5 ns) among all substitutes. This part is suitable for high-frequency switching applications. The maximum junction temperature is 150°C, which is 25°C lower than the STTH10LCD06CT. Forward voltage is elevated at 2.94 V @ 8 A due to Schottky technology characteristics. RoHS compliance is confirmed. Reverse leakage current is higher at 250 µA @ 600 V.

SDUR1060CT (SMC Diode Solutions)

The SDUR1060CT offers the lowest forward voltage (1.55 V @ 5 A) among all substitutes, providing improved efficiency in rectification circuits. Reverse recovery time matches the original part at 50 ns. This part maintains ROHS3 compliance with REACH Affected status. Operating temperature range extends to -55°C minimum. Current rating is not specified in available documentation.

All substitute parts maintain the mandatory 600 V reverse voltage rating, 1 Pair Common Cathode configuration, Through Hole mounting, and TO-220-3 package format. Selection depends on specific circuit requirements for current capacity, forward voltage drop, switching speed, and temperature operating range.

Frequently Asked Questions (FAQ)

Q: Can the DSEC16-06A replace the STTH10LCD06CT in all applications?

A: The DSEC16-06A is electrically compatible as a substitute. It maintains the same 600 V reverse voltage rating, common cathode configuration, and TO-220-3 package. The higher 10 A current rating and improved 35 ns reverse recovery time provide enhanced performance characteristics. Forward voltage is slightly higher at 2.1 V @ 10 A. Verify circuit design margins for forward voltage drop if thermal or efficiency specifications are critical.

Q: What is the primary difference between the LXA16T600C and other substitutes?

A: The LXA16T600C uses Schottky technology, which differs from the Standard technology of the STTH10LCD06CT and other substitutes. Schottky diodes exhibit faster reverse recovery (21.5 ns) and lower forward voltage characteristics at lower voltages, but higher forward voltage at rated current (2.94 V @ 8 A). Maximum junction temperature is 150°C, which is lower than the original part's 175°C rating. This part is optimized for high-frequency switching applications.

Q: Is the SDUR1060CT suitable for high-temperature applications?

A: The SDUR1060CT operates across -55°C to 150°C, providing a 25°C lower maximum junction temperature than the STTH10LCD06CT (175°C). For applications requiring sustained operation at temperatures above 150°C, the STTH10LCD06CT or DSEC16-06A are more appropriate selections.

Q: Do all substitute parts have the same package dimensions?

A: All substitute parts use the TO-220-3 package format with Through Hole mounting. Physical dimensions and pin configurations are compatible. Verify specific supplier device package designations (TO-220, TO-220-3, or TO-220AB) for PCB layout compatibility, as minor dimensional variations may exist between manufacturers.

Q: What is the significance of reverse recovery time differences?

A: Reverse recovery time (trr) affects switching speed and electromagnetic interference characteristics. The STTH10LCD06CT and SDUR1060CT both specify 50 ns trr. The DSEC16-06A provides 35 ns, and the LXA16T600C provides 21.5 ns. Faster recovery times reduce switching losses and are beneficial in high-frequency rectification circuits. Applications operating at lower frequencies may not require the performance advantage of faster recovery times.

Q: Are all substitute parts RoHS compliant?

A: The STTH10LCD06CT, DSEC16-06A, and SDUR1060CT are ROHS3 compliant. The LXA16T600C is RoHS compliant. All parts have Moisture Sensitivity Level 1 (Unlimited). The SDUR1060CT carries REACH Affected status, while other parts are REACH Unaffected.

Q: What forward voltage drop should be expected when substituting parts?

A: Forward voltage varies by technology and current rating. At 5 A, the STTH10LCD06CT specifies 2 V. The SDUR1060CT offers the lowest forward voltage at 1.55 V @ 5 A, providing improved efficiency. The DSEC16-06A specifies 2.1 V @ 10 A. The LXA16T600C (Schottky technology) specifies 2.94 V @ 8 A. Circuit thermal and efficiency calculations should account for these variations.