DSEC29-02AS Equivalent & Substitute Parts

Part Overview

The DSEC29-02AS is a general-purpose diode array manufactured by IXYS, featuring a 1 Pair Common Cathode configuration rated for 200 V DC reverse voltage and 15 A average rectified current per diode. The device is housed in a TO-263-3 D2PAK surface mount package and is classified as Active product status with ROHS3 compliance. This component is part of the HiPerFRED™ series and utilizes fast recovery diode technology with a reverse recovery time of 25 ns.

Equivalent and substitute parts are identified based on matching or exceeding the electrical and mechanical specifications of the original component, enabling direct replacement or functional substitution in circuit applications where the DSEC29-02AS may be unavailable or where alternative sourcing is required.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io) (per Diode)	15	A
Voltage - Forward (Vf) (Max) @ If	1.06 V @ 15 A	—
Reverse Recovery Time (trr)	25	ns
Operating Temperature - Junction	-55 to 175	°C
Package / Case	TO-263-3, D2PAK (2 Leads + Tab)	—
Mounting Type	Surface Mount	—
Technology	Standard / Fast Recovery	—

Substitute Part Grouping Explanation

Substitute parts for the DSEC29-02AS are classified into two categories based on electrical and mechanical compatibility:

Direct Equivalents (Full Specification Match): Parts that match or exceed all critical parameters: 200 V reverse voltage rating, 15 A average rectified current per diode, 1 Pair Common Cathode configuration, TO-263-3 D2PAK package, and fast recovery technology (≤500 ns, >200 mA). These parts are interchangeable without circuit modification.

Functional Substitutes (Reduced Current Rating): Parts that maintain the 200 V reverse voltage rating, 1 Pair Common Cathode configuration, and TO-263-3 D2PAK package but operate at reduced average rectified current ratings (10 A or 5 A per diode). These substitutes are suitable for applications where the full 15 A current capability is not required.

The substitution logic is based strictly on the following parameters:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 200 V
Diode Configuration: Must be 1 Pair Common Cathode
Package / Case: Must be TO-263-3, D2PAK (2 Leads + Tab)
Mounting Type: Must be Surface Mount
Speed: Must support Fast Recovery (≤500 ns, >200 mA)

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io per Diode [A]	Vf (Max) [V]	trr [ns]	Package	Technology	Temp Range [°C]
DSEC29-02AS	IXYS	200	15	1.06 @ 15 A	25	TO-263-3 D2PAK	Standard	-55 to 175
STTH3002CG	STMicroelectronics	200	15	1.05 @ 15 A	22	TO-263-3 D2PAK	Standard	—55 to 175
STTH3002CG-TR	STMicroelectronics	200	15	1.05 @ 15 A	22	TO-263-3 D2PAK	Standard	—55 to 175
SBR20A200CTB-13	Diodes Incorporated	200	10	0.96 @ 20 A	30	TO-263-3 D2PAK	Super Barrier	-65 to 175
SBR20A200CTB	Diodes Incorporated	200	10	0.96 @ 20 A	30	TO-263-3 D2PAK	Super Barrier	-65 to 175
SBR10200CTB-13-G	Diodes Incorporated	200	5	0.92 @ 5 A	20	TO-263-3 D2PAK	Super Barrier	-65 to 175
FFB20UP20DN-F085	onsemi	200	10	1.15 @ 10 A	40	TO-263-3 D2PAK	Standard	-55 to 175

Engineering Selection Recommendations

Direct Equivalent Selection:

The STTH3002CG and STTH3002CG-TR (STMicroelectronics) are direct equivalents to the DSEC29-02AS. Both parts maintain identical electrical specifications: 200 V reverse voltage, 15 A average rectified current per diode, and TO-263-3 D2PAK packaging. The STTH3002CG-TR variant is supplied in Cut Tape (CT) packaging with 15,302 units in stock, while STTH3002CG is supplied in Tube packaging with 1,220 units in stock. Both are ROHS3 compliant and Active product status. The reverse recovery time of 22 ns in the STMicroelectronics parts is superior to the 25 ns specification of the DSEC29-02AS, providing improved switching performance.

Functional Substitute Selection:

The SBR20A200CTB-13 and SBR20A200CTB (Diodes Incorporated) are functional substitutes rated for 10 A average rectified current per diode. These parts employ Super Barrier technology, which reduces forward voltage drop to 0.96 V compared to 1.06 V in the DSEC29-02AS. Both variants are ROHS3 compliant and Active product status. The SBR20A200CTB-13 is supplied in Tape & Reel (TR) packaging with 3,000 units in stock, while SBR20A200CTB is supplied in Tube packaging with 7,625 units in stock. These substitutes are suitable for applications where the circuit current requirement does not exceed 10 A per diode.

The FFB20UP20DN-F085 (onsemi) is an automotive-grade functional substitute rated for 10 A average rectified current per diode with AEC-Q101 qualification. This part is suitable for automotive applications requiring 200 V reverse voltage capability in the TO-263-3 D2PAK package.

The SBR10200CTB-13-G (Diodes Incorporated) is a functional substitute rated for 5 A average rectified current per diode, suitable for lower-current applications. This part features the lowest forward voltage drop at 0.92 V and is supplied in Tape & Reel (TR) packaging with 1,528 units in stock.

All substitute parts maintain the 1 Pair Common Cathode configuration, TO-263-3 D2PAK surface mount package, and fast recovery diode technology required for functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can the STTH3002CG-TR be used as a direct replacement for the DSEC29-02AS?

A: Yes. The STTH3002CG-TR is a direct equivalent. Both parts share identical electrical specifications: 200 V reverse voltage rating, 15 A average rectified current per diode, 1 Pair Common Cathode configuration, and TO-263-3 D2PAK surface mount package. The primary difference is packaging format (Cut Tape versus the original supplier's format) and the improved reverse recovery time of 22 ns versus 25 ns.

Q: What is the difference between the SBR20A200CTB-13 and SBR20A200CTB?

A: Both parts are electrically identical with 200 V reverse voltage and 10 A average rectified current per diode. The difference is packaging: SBR20A200CTB-13 is supplied in Tape & Reel (TR) format, while SBR20A200CTB is supplied in Tube format. Selection depends on assembly process requirements and inventory management preferences.

Q: Can I use the FFB20UP20DN-F085 in a non-automotive application?

A: Yes. The FFB20UP20DN-F085 meets all electrical and mechanical requirements for the DSEC29-02AS application, with the exception of reduced current rating (10 A versus 15 A per diode). The automotive qualification (AEC-Q101) does not restrict use in non-automotive applications. However, the forward voltage specification is higher at 1.15 V compared to 1.06 V in the original part, which may affect circuit performance in voltage-sensitive applications.

Q: What is the minimum current rating I can substitute for the DSEC29-02AS?

A: The SBR10200CTB-13-G is rated for 5 A average rectified current per diode. This part is suitable only for applications where the circuit current requirement does not exceed 5 A per diode. All other substitute parts maintain minimum 10 A ratings.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (STTH3002CG, STTH3002CG-TR, SBR20A200CTB-13, SBR20A200CTB, SBR10200CTB-13-G, and FFB20UP20DN-F085) are ROHS3 compliant and maintain REACH Unaffected status, matching the compliance profile of the DSEC29-02AS.

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

A: The DSEC29-02AS, STTH3002CG, and STTH3002CG-TR utilize Standard fast recovery diode technology. The SBR series parts (SBR20A200CTB-13, SBR20A200CTB, SBR10200CTB-13-G) employ Super Barrier technology, which reduces forward voltage drop and reverse leakage current. Both technologies support fast recovery operation (≤500 ns) and are functionally compatible in the TO-263-3 D2PAK package.

Q: Can I mix different substitute parts in the same circuit board assembly?

A: All substitute parts maintain identical package geometry (TO-263-3 D2PAK) and pinout (1 Pair Common Cathode configuration), enabling physical interchangeability. However, mixing parts with different current ratings (15 A, 10 A, or 5 A) in parallel or series configurations requires circuit analysis to ensure current distribution and voltage sharing are within acceptable limits for each device type.

Q: What is the operating temperature range difference between substitutes?

A: The DSEC29-02AS and FFB20UP20DN-F085 specify -55°C to 175°C operating temperature range. The SBR series parts (SBR20A200CTB-13, SBR20A200CTB, SBR10200CTB-13-G) specify -65°C to 175°C, providing 10°C additional low-temperature capability. The STTH3002CG and STTH3002CG-TR specify maximum junction temperature of 175°C without explicit minimum temperature specification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message