DSEC60-06B Equivalent & Substitute Parts

Part Overview

The DSEC60-06B is an active-status diode array rectifier manufactured by IXYS, configured as a 1 Pair Common Cathode design rated for 600 V DC reverse voltage and 30 A average rectified current per diode. This component is packaged in TO-247-3 through-hole configuration and belongs to the HiPerFRED™ series of fast recovery diodes. Substitute parts are necessary when inventory constraints exist, when alternative manufacturers' components are preferred for supply chain diversification, or when application-specific performance characteristics require evaluation against available alternatives.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	600 V
Current - Average Rectified (Io) (per Diode)	30 A
Diode Configuration	1 Pair Common Cathode
Package / Case	TO-247-3
Mounting Type	Through Hole
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature - Junction	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the DSEC60-06B is determined by the following critical parameters: voltage rating (600 V DC reverse), diode configuration (1 Pair Common Cathode), package type (TO-247-3), mounting method (through hole), and fast recovery speed classification. All substitute parts listed maintain these core electrical and mechanical specifications. Current rating variations exist among substitutes and must be evaluated based on application requirements. Forward voltage characteristics, reverse recovery time, and reverse leakage current differ among alternatives and should be considered for thermal and switching performance implications.

Parameter Comparison

Parameter	DSEC60-06B (IXYS)	APT15DQ60BCTG (Microchip)	APT40DQ60BCTG (Microchip)	STTH60L06CW (STMicroelectronics)
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V
Current - Average Rectified (Io) (per Diode)	30 A	15 A	40 A	40 A
Voltage - Forward (Vf) (Max)	2.51 V @ 30 A	2.4 V @ 15 A	2.4 V @ 40 A	1.55 V @ 30 A
Reverse Recovery Time (trr)	30 ns	19 ns	25 ns	90 ns
Current - Reverse Leakage @ Vr	250 µA @ 600 V	25 µA @ 600 V	25 µA @ 600 V	25 µA @ 600 V
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Package / Case	TO-247-3	TO-247-3	TO-247-3	TO-247-3
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Operating Temperature - Junction	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C (Max) ~ 175°C (Max)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the DSEC60-06B primary component. All alternatives are active-status products with unlimited moisture sensitivity level (MSL 1) and identical ECCN and HTSUS classifications.

The APT15DQ60BCTG operates at 15 A per diode, which is below the 30 A specification of the DSEC60-06B and is suitable only for applications with reduced current requirements.

The APT40DQ60BCTG and STTH60L06CW both operate at 40 A per diode, exceeding the 30 A rating of the primary part. These components are suitable for applications requiring higher current capacity within the same 600 V voltage class and TO-247-3 package footprint.

The STTH60L06CW exhibits lower forward voltage (1.55 V @ 30 A) compared to the DSEC60-06B (2.51 V @ 30 A), resulting in reduced power dissipation. However, this part demonstrates higher reverse recovery time (90 ns) relative to the DSEC60-06B (30 ns), which may impact switching frequency performance.

Frequently Asked Questions (FAQ)

Q: Can the APT15DQ60BCTG replace the DSEC60-06B in all applications?

A: The APT15DQ60BCTG is rated for 15 A per diode, compared to the DSEC60-06B rating of 30 A per diode. This substitute is suitable only for applications where the required current does not exceed 15 A per diode. Direct substitution in 30 A applications is not appropriate.

Q: What are the advantages of the APT40DQ60BCTG over the DSEC60-06B?

A: The APT40DQ60BCTG provides 40 A per diode capacity, offering 33% higher current rating than the DSEC60-06B within the same 600 V voltage class and TO-247-3 package. This allows operation at higher current levels with the same thermal footprint.

Q: How does the STTH60L06CW differ in thermal performance?

A: The STTH60L06CW exhibits forward voltage of 1.55 V @ 30 A, approximately 38% lower than the DSEC60-06B at 2.51 V @ 30 A. This lower forward voltage reduces power dissipation and associated thermal generation. The reverse recovery time of 90 ns is longer than the DSEC60-06B (30 ns), which may affect switching performance in high-frequency applications.

Q: Are all substitute parts mechanically compatible with the DSEC60-06B?

A: All substitute parts use the TO-247-3 package with through-hole mounting, maintaining identical mechanical compatibility and PCB footprint with the DSEC60-06B.

Q: Do all parts meet the same regulatory requirements?

A: All listed parts are ROHS3 compliant, REACH unaffected, and carry identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications as the DSEC60-06B.

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

A: Reverse recovery time (trr) affects switching speed and electromagnetic interference characteristics. The DSEC60-06B (30 ns) and APT40DQ60BCTG (25 ns) demonstrate faster recovery than the STTH60L06CW (90 ns). Applications requiring high-frequency switching may be sensitive to these differences.

Q: How do reverse leakage current specifications compare?

A: The DSEC60-06B exhibits 250 µA @ 600 V reverse leakage, while APT15DQ60BCTG, APT40DQ60BCTG, and STTH60L06CW all specify 25 µA @ 600 V. Lower reverse leakage reduces standby power consumption and heat generation.

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