CUD10-06 TR13 Equivalent & Substitute Parts

Part Overview

The CUD10-06 TR13 is a general-purpose rectifier diode manufactured by Central Semiconductor Corp, rated for 600 V DC reverse voltage and 10 A average rectified current in a surface mount DPAK package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

The CUD10-06 TR13 operates with a maximum forward voltage of 1.7 V at 10 A and features fast recovery characteristics with a reverse recovery time of 35 ns. The part is RoHS3 compliant and carries MSL 1 (unlimited moisture sensitivity level) rating.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	10	A
Voltage - Forward (Vf) (Max) @ If	1.7 @ 10 A	V
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V	µA
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	—
Operating Temperature - Junction	-65°C ~ 150°C	°C
RoHS Status	ROHS3 Compliant	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitute parts for the CUD10-06 TR13 are selected based on the following critical parameters:

Primary Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V (exact match required)
Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63 (exact match required)
Mounting Type: Surface Mount (exact match required)
RoHS Status: ROHS3 Compliant (compliance requirement)

Secondary Compatibility Parameters:

Current - Average Rectified (Io): 10 A or higher
Voltage - Forward (Vf) (Max) @ If: Equal to or lower than original specification
Speed: Fast Recovery ≤ 500ns, > 200mA (Io) or equivalent
Reverse Recovery Time (trr): Equal to or lower than original specification
Current - Reverse Leakage @ Vr: Equal to or lower than original specification
Operating Temperature - Junction: Must encompass or exceed original range

Substitute parts are grouped into two categories:

Category 1: Direct Current Rating Match (10 A)

SDURD1060 (SMC Diode Solutions): Active product status, 10 A rating, fast recovery characteristics

Category 2: Higher Current Rating (12 A and above)

VS-12EWH06FN-M3 (Vishay): 12 A rating, standard recovery
VS-12EWH06FNTRR-M3 (Vishay): 12 A rating, fast recovery, tape & reel packaging

Category 3: Lower Current Rating (5 A and 6 A)

VS-5EWX06FNTRR-M3 (Vishay): 5 A rating, fast recovery
VS-6EWX06FNHM3 (Vishay): 6 A rating, fast recovery, automotive qualified

Parameter Comparison

Parameter	CUD10-06 TR13	SDURD1060	VS-12EWH06FN-M3	VS-12EWH06FNTRR-M3	VS-5EWX06FNTRR-M3	VS-6EWX06FNHM3
Manufacturer	Central Semiconductor Corp	SMC Diode Solutions	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	10 A	10 A	12 A	12 A	5 A	6 A
Voltage - Forward (Vf) (Max) @ If	1.7 V @ 10 A	1.66 V @ 10 A	2.5 V @ 12 A	2.5 V @ 12 A	2.9 V @ 5 A	3.1 V @ 6 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	35 ns	35 ns	—	26 ns	18 ns	19 ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	20 µA @ 600 V	20 µA @ 600 V
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63
Operating Temperature - Junction	-65°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Series	—	—	FRED Pt®	FRED Pt®	FRED Pt®	FRED Pt®

Engineering Selection Recommendations

SDURD1060 (SMC Diode Solutions)

The SDURD1060 is the primary recommended substitute for the CUD10-06 TR13. This part maintains identical electrical specifications: 600 V reverse voltage, 10 A average rectified current, 1.66 V forward voltage at 10 A, and 35 ns reverse recovery time. The SDURD1060 is active product status with ROHS3 compliance and REACH affected designation. The forward voltage is marginally lower (1.66 V vs. 1.7 V), providing improved efficiency. Inventory availability is substantial at 2405 pieces.

VS-12EWH06FNTRR-M3 (Vishay General Semiconductor - FRED Pt® Series)

This substitute offers higher current capacity (12 A vs. 10 A) with improved reverse recovery time (26 ns vs. 35 ns). The part maintains 600 V reverse voltage rating and DPAK packaging. Operating temperature range extends to 175°C (vs. 150°C). Forward voltage at rated current is higher (2.5 V @ 12 A), resulting in increased power dissipation. This part is suitable for applications requiring enhanced thermal performance or higher current margins. Tape & reel packaging is available.

VS-12EWH06FN-M3 (Vishay General Semiconductor - FRED Pt® Series)

This variant provides the same electrical specifications as VS-12EWH06FNTRR-M3 but in tube packaging. Standard recovery speed (>500ns) differs from the original fast recovery specification. Selection of this part requires confirmation that standard recovery characteristics are acceptable for the application.

VS-5EWX06FNTRR-M3 (Vishay General Semiconductor - FRED Pt® Series)

This substitute is suitable only for applications where 5 A current capacity is sufficient. The part provides fast recovery characteristics (18 ns) and lower reverse leakage (20 µA @ 600 V). Forward voltage is higher (2.9 V @ 5 A). This option is not recommended as a direct replacement for 10 A applications.

VS-6EWX06FNHM3 (Vishay General Semiconductor - FRED Pt® Series)

This substitute is suitable only for applications where 6 A current capacity is sufficient. The part includes automotive qualification (AEC-Q101) and fast recovery characteristics (19 ns). Forward voltage is higher (3.1 V @ 6 A). This option is not recommended as a direct replacement for 10 A applications.

Frequently Asked Questions (FAQ)

Q: Can SDURD1060 be used as a direct replacement for CUD10-06 TR13?

A: Yes. The SDURD1060 maintains identical voltage and current ratings (600 V, 10 A), identical package (TO-252-3 DPAK), and identical reverse recovery time (35 ns). Forward voltage is marginally lower (1.66 V vs. 1.7 V). Both parts are RoHS3 compliant. The SDURD1060 is active product status, addressing the obsolescence of the CUD10-06 TR13.

Q: What is the difference between fast recovery and standard recovery specifications?

A: Fast recovery diodes have reverse recovery time ≤ 500 ns and are specified for currents > 200 mA. Standard recovery diodes have reverse recovery time > 500 ns. The CUD10-06 TR13 specifies fast recovery with 35 ns reverse recovery time. VS-12EWH06FN-M3 specifies standard recovery. Applications sensitive to switching transients or operating at high frequencies require fast recovery characteristics.

Q: Can VS-12EWH06FNTRR-M3 replace CUD10-06 TR13 in a 10 A application?

A: Yes, with design considerations. The VS-12EWH06FNTRR-M3 is rated for 12 A (exceeding the 10 A requirement) and maintains 600 V reverse voltage. However, forward voltage is higher (2.5 V @ 12 A vs. 1.7 V @ 10 A), resulting in increased power dissipation. Reverse recovery time is improved (26 ns vs. 35 ns). Operating temperature range extends to 175°C. Thermal design must account for the higher forward voltage drop.

Q: What is the significance of the DPAK package designation?

A: DPAK (TO-252-3) is a surface mount package with two leads plus a thermal tab. All substitute parts listed maintain this identical package configuration, ensuring mechanical and thermal compatibility with existing PCB layouts and thermal management designs. Package compatibility is a primary substitution criterion.

Q: Why do some substitute parts have higher forward voltage specifications?

A: Forward voltage varies with current rating and diode technology. VS-12EWH06FNTRR-M3 and VS-6EWX06FNHM3 are rated for higher current (12 A and 6 A respectively) compared to the original 10 A specification. Higher current ratings typically result in higher forward voltage drops at their rated currents. SDURD1060 maintains the same 10 A rating and exhibits lower forward voltage (1.66 V vs. 1.7 V).

Q: Is the operating temperature range difference significant?

A: The CUD10-06 TR13 operates from -65°C to 150°C. SDURD1060 operates from -55°C to 150°C, with a narrower low-temperature range. Vishay FRED Pt® series parts operate from -65°C to 175°C, extending the high-temperature range. Application requirements determine whether these differences are significant. High-temperature applications benefit from the extended 175°C rating.

Q: What does RoHS3 compliance indicate?

A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, hexavalent chromium, and specific brominated flame retardants. All listed substitute parts are RoHS3 compliant, ensuring regulatory compatibility with the original part.

Q: Can lower-rated parts (5 A or 6 A) be used in place of the 10 A CUD10-06 TR13?

A: No. Lower-rated parts (VS-5EWX06FNTRR-M3 at 5 A and VS-6EWX06FNHM3 at 6 A) cannot safely replace a 10 A rated diode in applications requiring 10 A current capacity. Using undersized components results in excessive current density, thermal stress, and potential failure. These parts are listed for reference only and are not suitable substitutes for the original 10 A specification.

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