DGSK32-018CS Equivalent & Substitute Parts

Part Overview

The DGSK32-018CS is a Schottky diode array manufactured by IXYS, configured as a 1 Pair Common Cathode arrangement rated for 180 V DC reverse voltage and 24 A average rectified current per diode. The device is packaged in a Surface Mount TO-263-3 (D2PAK) configuration with 2 leads plus tab.

This part is classified as Obsolete. Identifying equivalent and substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this diode array.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	180	V
Current - Average Rectified (Io) (per Diode)	24	A
Voltage - Forward (Vf) (Max) @ If	1.5 @ 7.5	V @ A
Reverse Recovery Time (trr)	23	ns
Current - Reverse Leakage @ Vr	250 @ 180	µA @ V
Operating Temperature - Junction	-55 to 175	°C
Mounting Type	Surface Mount	—
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the DGSK32-018CS is constrained by the following critical parameters:

Mandatory Matching Criteria:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Mounting Type: Surface Mount
Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Allowable Parameter Variation: Substitute parts may operate at reduced voltage and current ratings provided the application requirements do not exceed the substitute's maximum specifications. Forward voltage (Vf), reverse recovery time (trr), and reverse leakage current may vary within acceptable design margins depending on circuit requirements.

The VB30150C-M3/4W from Vishay General Semiconductor - Diodes Division meets the mandatory configuration, technology, mounting, and package criteria. However, this substitute operates at reduced maximum ratings: 150 V DC reverse voltage (versus 180 V) and 15 A average rectified current per diode (versus 24 A).

Parameter Comparison

Parameter	DGSK32-018CS (IXYS)	VB30150C-M3/4W (Vishay)	Unit
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	—
Technology	Schottky	Schottky	—
Voltage - DC Reverse (Vr) (Max)	180	150	V
Current - Average Rectified (Io) (per Diode)	24	15	A
Voltage - Forward (Vf) (Max) @ If	1.5 @ 7.5	1.36 @ 15	V @ A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	250 @ 180	200 @ 150	µA @ V
Operating Temperature - Junction	-55 to 175	-55 to 150	°C
Mounting Type	Surface Mount	Surface Mount	—
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	—
Product Status	Obsolete	Active	—
RoHS Status	Not specified	ROHS3 Compliant	—

Engineering Selection Recommendations

The VB30150C-M3/4W is a direct substitute for the DGSK32-018CS when application requirements permit operation at reduced voltage and current ratings. The substitute part is classified as Active, ensuring ongoing availability and supply chain support, whereas the original DGSK32-018CS is Obsolete.

The VB30150C-M3/4W is ROHS3 Compliant, providing enhanced environmental and regulatory compliance compared to the original part. Both components share identical package geometry (TO-263-3, D2PAK), mounting type (Surface Mount), and diode configuration (1 Pair Common Cathode), enabling direct PCB-level replacement without layout modification.

Selection of the VB30150C-M3/4W is appropriate for applications where:

Maximum reverse voltage requirement does not exceed 150 V
Maximum average rectified current per diode does not exceed 15 A
Maximum junction temperature does not exceed 150°C
Supply chain continuity and regulatory compliance are priorities

Applications requiring the full 180 V and 24 A ratings of the original DGSK32-018CS cannot use this substitute without circuit redesign.

Frequently Asked Questions (FAQ)

Q: Can the VB30150C-M3/4W be used as a direct replacement for the DGSK32-018CS in all applications?

A: No. The VB30150C-M3/4W operates at reduced maximum ratings: 150 V (versus 180 V) and 15 A per diode (versus 24 A). Substitution is valid only when application requirements remain within these reduced specifications.

Q: Are the packages physically identical?

A: Yes. Both the DGSK32-018CS and VB30150C-M3/4W use the TO-263-3 D2PAK package with 2 leads plus tab. PCB footprints are compatible without modification.

Q: What is the difference in forward voltage between these parts?

A: The DGSK32-018CS specifies 1.5 V maximum forward voltage at 7.5 A, while the VB30150C-M3/4W specifies 1.36 V maximum at 15 A. Forward voltage characteristics differ due to different current ratings and manufacturing processes.

Q: Does the VB30150C-M3/4W meet RoHS requirements?

A: Yes. The VB30150C-M3/4W is ROHS3 Compliant. The original DGSK32-018CS RoHS status is not specified in the provided data.

Q: What is the maximum junction temperature for each part?

A: The DGSK32-018CS operates from -55°C to 175°C junction temperature. The VB30150C-M3/4W operates from -55°C to 150°C. Applications requiring operation above 150°C junction temperature cannot use the substitute.

Q: Are both parts Schottky diode arrays with common cathode configuration?

A: Yes. Both parts are Schottky diode arrays configured as 1 Pair Common Cathode, ensuring functional equivalence in circuit topology.

Q: What is the product availability status of each part?

A: The DGSK32-018CS is classified as Obsolete. The VB30150C-M3/4W is classified as Active, indicating ongoing manufacturing and supply chain availability.

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