DSA60C45PB Equivalent & Substitute Parts

Part Overview

The DSA60C45PB is a Schottky diode array manufactured by IXYS, configured as a 1 Pair Common Cathode with a maximum reverse voltage of 45 V and average rectified current of 30 A per diode. The device is packaged in TO-220-3 through-hole format and is currently in active product status. Equivalent and substitute parts are identified based on matching electrical characteristics, mechanical compatibility, and functional performance within the Schottky diode rectifier category.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	45 V
Current - Average Rectified (Io) (per Diode)	30 A
Voltage - Forward (Vf) (Max) @ If	790 mV @ 30 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Mounting Type	Through Hole
Package / Case	TO-220-3
Operating Temperature - Junction	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the DSA60C45PB are selected based on the following criteria:

Primary Matching Parameters:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 45 V
Mounting Type: Through Hole
Package / Case: TO-220-3

Secondary Compatibility Parameters:

Current - Average Rectified (Io) (per Diode): Equal to or greater than 30 A
Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)
RoHS Status: ROHS3 Compliant

Substitute parts are grouped by current rating capability. Parts with current ratings at or above 30 A provide direct functional equivalence. Parts with lower current ratings (7.5 A, 10 A, 15 A, 20 A) are listed as substitutes for applications where reduced current capacity is acceptable. All substitute parts maintain the same reverse voltage specification of 45 V and identical diode configuration.

Parameter Comparison

Part Number	Manufacturer	Io (per Diode)	Vr (Max)	Vf (Max) @ If	Package	Temp Range	Product Status
DSA60C45PB	IXYS	30 A	45 V	790 mV @ 30 A	TO-220-3	-55°C ~ 175°C	Active
MBR60L45CTG	onsemi	30 A	45 V	550 mV @ 30 A	TO-220-3	-65°C ~ 175°C	Active
STPS40L45CT	STMicroelectronics	20 A	45 V	530 mV @ 20 A	TO-220-3	-55°C ~ 150°C	Active
MBR2545CTG	onsemi	15 A	45 V	620 mV @ 15 A	TO-220-3	-65°C ~ 175°C	Active
MBR20L45CTG	onsemi	10 A	45 V	500 mV @ 10 A	TO-220-3	-55°C ~ 150°C	Obsolete
MBR1545CTG	onsemi	7.5 A	45 V	840 mV @ 15 A	TO-220-3	-65°C ~ 175°C	Active
MBR1545CT-E3/45	Vishay General Semiconductor - Diodes Division	7.5 A	45 V	570 mV @ 7.5 A	TO-220-3	-65°C ~ 175°C	Active
MBR2550CT	Diodes Incorporated	15 A	50 V	750 mV @ 15 A	TO-220-3	-65°C ~ 150°C	Obsolete

Engineering Selection Recommendations

Direct Equivalent (Recommended Primary Substitute):

MBR60L45CTG is the direct functional equivalent to DSA60C45PB. Both devices maintain identical current rating (30 A), reverse voltage (45 V), diode configuration (1 Pair Common Cathode), and package format (TO-220-3). MBR60L45CTG is manufactured by onsemi, carries active product status, and is ROHS3 compliant. The device offers superior forward voltage characteristics (550 mV @ 30 A versus 790 mV @ 30 A) and extended operating temperature range (-65°C ~ 175°C versus -55°C ~ 175°C).

Secondary Substitutes (Current-Reduced Applications):

STPS40L45CT (STMicroelectronics, 20 A) and MBR2545CTG (onsemi, 15 A) are suitable substitutes for applications where the full 30 A current capacity is not required. Both maintain 45 V reverse voltage specification and TO-220-3 packaging. STPS40L45CT is limited to -55°C ~ 150°C operating range. MBR2545CTG extends to -65°C ~ 175°C and is currently in active product status.

Obsolete Parts:

MBR20L45CTG and MBR2550CT are listed as obsolete and should not be selected for new designs. These parts are retained in the substitute list for reference in legacy system maintenance only.

Compliance Considerations:

All recommended active substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the DSA60C45PB.

Frequently Asked Questions (FAQ)

Q: Can MBR60L45CTG be used as a direct replacement for DSA60C45PB?

A: Yes. MBR60L45CTG is a direct functional equivalent. Both devices share identical current rating (30 A), reverse voltage (45 V), diode configuration, and TO-220-3 package. MBR60L45CTG offers improved forward voltage performance and extended temperature range.

Q: What is the difference between the DSA60C45PB and lower-current substitutes like MBR1545CTG?

A: Lower-current substitutes (7.5 A, 10 A, 15 A, 20 A) are suitable only for applications where peak current requirements do not exceed the substitute part's rating. The DSA60C45PB is rated for 30 A per diode. Substitution with lower-current parts requires verification that circuit peak current demands remain within the substitute device's specification.

Q: Are MBR20L45CTG and MBR2550CT suitable for new designs?

A: No. Both parts are marked as obsolete and should not be selected for new product designs. These parts are referenced only for legacy system support and component replacement in existing equipment.

Q: Do all substitute parts use the same TO-220-3 package?

A: Yes. All listed substitute parts use TO-220-3 through-hole packaging, ensuring mechanical and thermal compatibility with the DSA60C45PB footprint.

Q: What is the significance of the forward voltage difference between DSA60C45PB and MBR60L45CTG?

A: DSA60C45PB specifies 790 mV @ 30 A forward voltage, while MBR60L45CTG specifies 550 mV @ 30 A. Lower forward voltage reduces power dissipation and heat generation in the substitute device. This difference must be considered in thermal design calculations for applications with high current density.

Q: Are all substitute parts ROHS3 compliant?

A: All active substitute parts listed (MBR60L45CTG, STPS40L45CT, MBR2545CTG, MBR1545CTG, MBR1545CT-E3/45) are ROHS3 compliant. Obsolete parts MBR20L45CTG and MBR2550CT are also ROHS3 compliant but should not be used in new designs.

Q: What operating temperature range should be considered when selecting a substitute?

A: The DSA60C45PB operates from -55°C to 175°C. Most active substitutes extend the lower temperature limit to -65°C, providing improved cold-temperature performance. STPS40L45CT and obsolete MBR2550CT are limited to 150°C maximum junction temperature, which may be restrictive in high-temperature applications.

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