DSB30C60PB Equivalent & Substitute Parts

Part Overview

The DSB30C60PB is a Schottky diode array manufactured by IXYS, configured as a 1 Pair Common Cathode rectifier with a 60 V DC reverse voltage rating and 15 A average rectified current per diode. The device is housed in a TO-220-3 through-hole package and is currently in active product status with 667 pieces in stock. This component is used in power conversion and rectification applications requiring fast recovery characteristics and low forward voltage drop.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative manufacturers' components offer improved performance characteristics, or when design requirements necessitate different electrical specifications within the same functional category.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io) (per Diode)	15	A
Voltage - Forward (Vf) (Max) @ If	780 mV @ 15 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	10	mA @ 60 V
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the DSB30C60PB is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters for Substitution:

Diode Configuration: 1 Pair Common Cathode (must match exactly)
Voltage - DC Reverse (Vr) (Max): 60 V (must equal or exceed)
Current - Average Rectified (Io) (per Diode): 15 A (must equal or exceed)
Mounting Type: Through Hole (must match)
Package / Case: TO-220-3 (must match)
Speed: Fast Recovery ≤ 500ns, > 200mA (Io) (must meet or exceed)

Acceptable Variations:

Forward Voltage (Vf): Lower values are acceptable; higher values require application verification
Reverse Leakage Current: Lower values are acceptable
Operating Temperature Range: Extended ranges are acceptable
Technology: Schottky or Super Barrier technologies are functionally equivalent within specified parameters
Manufacturer: Any qualified manufacturer meeting electrical specifications

Substitute parts are grouped into three categories based on current rating: 10 A rated devices (lower current capacity), 15 A rated devices (equivalent capacity), and 20 A rated devices (higher current capacity). Parts rated below 15 A are suitable only for applications with reduced current requirements. Parts rated at or above 15 A provide direct substitution capability.

Parameter Comparison

Part Number	Manufacturer	Technology	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Speed	Ir @ Vr	Tj (Max)	Package	Status
DSB30C60PB	IXYS	Schottky	60 V	15 A	780 mV @ 15 A	Fast Recovery ≤ 500ns	10 mA @ 60 V	150°C	TO-220-3	Active
MBR2060CTG	onsemi	Schottky	60 V	10 A	850 mV @ 10 A	Fast Recovery ≤ 500ns	100 µA @ 60 V	175°C	TO-220-3	Active
MBR2560CT	Diodes Incorporated	Schottky	60 V	15 A	750 mV @ 15 A	Fast Recovery ≤ 500ns	1 mA @ 60 V	150°C	TO-220-3	Obsolete
SBR1060CT	Diodes Incorporated	Super Barrier	60 V	5 A	680 mV @ 5 A	Fast Recovery ≤ 500ns	500 µA @ 60 V	150°C	TO-220-3	Active
SBR20U60CT	Diodes Incorporated	Super Barrier	60 V	10 A	710 mV @ 20 A	Fast Recovery ≤ 500ns	500 µA @ 60 V	150°C	TO-220-3	Active
SBR3060CT	Diodes Incorporated	Super Barrier	60 V	15 A	700 mV @ 15 A	Fast Recovery ≤ 500ns	500 µA @ 60 V	150°C	TO-220-3	Active
SBR30A60CT	Diodes Incorporated	Super Barrier	60 V	15 A	600 mV @ 15 A	Fast Recovery ≤ 500ns	500 µA @ 60 V	150°C	TO-220-3	Active
SBR30A60CT-G	Diodes Incorporated	Super Barrier	60 V	15 A	600 mV @ 15 A	Standard Recovery >500ns	500 µA @ 60 V	150°C	TO-220-3	Active
STPS20L60CT	STMicroelectronics	Schottky	60 V	10 A	600 mV @ 10 A	Fast Recovery ≤ 500ns	350 µA @ 60 V	150°C	TO-220-3	Active
STPS30H60CT	STMicroelectronics	Schottky	60 V	15 A	660 mV @ 15 A	Fast Recovery ≤ 500ns	60 µA @ 60 V	175°C	TO-220-3	Active
STPS41L60CT	STMicroelectronics	Schottky	60 V	20 A	600 mV @ 20 A	Fast Recovery ≤ 500ns	600 µA @ 60 V	150°C	TO-220-3	Active

Engineering Selection Recommendations

Direct Equivalents (15 A Rated, Active Status):

The following parts provide direct electrical and mechanical equivalence to the DSB30C60PB:

SBR3060CT (Diodes Incorporated): Matches all critical parameters with identical 15 A current rating, 60 V reverse voltage, and TO-220-3 package. Forward voltage of 700 mV @ 15 A is lower than the DSB30C60PB. ROHS3 compliant and active product status.
SBR30A60CT (Diodes Incorporated): Matches all critical parameters with 15 A current rating and 60 V reverse voltage. Forward voltage of 600 mV @ 15 A provides improved efficiency. ROHS3 compliant and active product status.
STPS30H60CT (STMicroelectronics): Matches all critical parameters with 15 A current rating and 60 V reverse voltage. Forward voltage of 660 mV @ 15 A is lower than the DSB30C60PB. Operating temperature maximum of 175°C exceeds the DSB30C60PB. ROHS3 compliant and active product status.

Conditional Substitutes (Current Rating Below 15 A):

The following parts meet all electrical and mechanical specifications except for current rating and are suitable only for applications with reduced current requirements:

MBR2060CTG (onsemi): 10 A rated device with 60 V reverse voltage and TO-220-3 package. Forward voltage of 850 mV @ 10 A is higher than the DSB30C60PB. ROHS3 compliant and active product status.
SBR20U60CT (Diodes Incorporated): 10 A rated device with 60 V reverse voltage and TO-220-3 package. Forward voltage of 710 mV @ 20 A is lower than the DSB30C60PB. ROHS3 compliant and active product status.
STPS20L60CT (STMicroelectronics): 10 A rated device with 60 V reverse voltage and TO-220-3 package. Forward voltage of 600 mV @ 10 A is lower than the DSB30C60PB. ROHS3 compliant and active product status.

Higher Current Capacity Substitute:

STPS41L60CT (STMicroelectronics): 20 A rated device with 60 V reverse voltage and TO-220-3 package. Forward voltage of 600 mV @ 20 A is lower than the DSB30C60PB. Provides increased current capacity for applications requiring higher current handling. ROHS3 compliant and active product status.

Not Recommended:

MBR2560CT (Diodes Incorporated): Although electrically equivalent with 15 A rating and 60 V reverse voltage, this part is listed as obsolete product status and should not be selected for new designs.
SBR30A60CT-G (Diodes Incorporated): This variant differs from the DSB30C60PB in recovery speed specification (Standard Recovery >500ns versus Fast Recovery ≤ 500ns) and should be selected only when standard recovery characteristics are acceptable for the application.
SBR1060CT (Diodes Incorporated): 5 A rated device is insufficient for applications requiring 15 A current capacity.

Frequently Asked Questions (FAQ)

Q: Can I use a 10 A rated substitute part in place of the DSB30C60PB?

A: A 10 A rated substitute part can be used only if your application requires a maximum current of 10 A or less per diode. The DSB30C60PB is rated for 15 A, so using a lower-rated device in a 15 A application will result in component failure. Verify your actual current requirements before selecting a lower-rated substitute.

Q: What is the difference between Schottky and Super Barrier diode technologies?

A: Both Schottky and Super Barrier technologies are fast recovery rectifier types suitable for the same applications. Super Barrier diodes typically offer lower forward voltage drop and lower reverse leakage current compared to standard Schottky diodes. Within the specified electrical parameters, both technologies are functionally equivalent for the DSB30C60PB substitution.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all substitute parts listed in this document are ROHS3 compliant. The DSB30C60PB is also ROHS3 compliant, ensuring environmental and regulatory consistency across all equivalent and substitute options.

Q: Does the TO-220-3 package differ between manufacturers?

A: The TO-220-3 package is a standardized through-hole package defined by JEDEC specifications. All parts listed use the TO-220-3 package and are mechanically and thermally compatible. Some manufacturers may reference the package as "TO-220" in their documentation, but this refers to the same physical package.

Q: What is the significance of forward voltage (Vf) differences between substitute parts?

A: Forward voltage determines the voltage drop across the diode during conduction. Lower forward voltage results in reduced power dissipation and improved efficiency. The DSB30C60PB has a forward voltage of 780 mV @ 15 A. Substitute parts with lower forward voltage (such as SBR30A60CT at 600 mV @ 15 A) will generate less heat and improve overall circuit efficiency. Higher forward voltage substitutes will increase power dissipation and heat generation.

Q: Can I use STPS41L60CT (20 A rated) as a substitute for the DSB30C60PB (15 A rated)?

A: Yes, the STPS41L60CT can be used as a substitute. It meets all critical electrical parameters and provides higher current capacity. The 20 A rating ensures adequate margin for the 15 A application. This substitution is suitable when the higher current rating provides design flexibility or when improved thermal performance is desired.

Q: What does "Fast Recovery ≤ 500ns" mean?

A: Recovery time is the time required for a diode to switch from conducting to blocking state. Fast recovery ≤ 500ns indicates the diode can switch states in 500 nanoseconds or less. This specification is critical for high-frequency switching applications. The DSB30C60PB meets this specification, as do all recommended direct equivalents. The SBR30A60CT-G variant has standard recovery (>500ns) and should be selected only when slower switching is acceptable.

Q: Is the DSB30C60PB still available, and should I consider substitutes now?

A: The DSB30C60PB is currently in active product status with 667 pieces in stock. However, maintaining substitute part knowledge is essential for supply chain continuity, design flexibility, and long-term product support. Substitute parts with higher inventory levels (such as SBR3060CT with 5,082 pieces or STPS30H60CT with 19,124 pieces) may offer improved availability for future orders.

Q: What is the operating temperature range consideration for substitution?

A: The DSB30C60PB operates from -55°C to 150°C junction temperature. Most substitute parts operate from -65°C to 150°C or -65°C to 175°C, providing equal or extended temperature ranges. Extended temperature ranges provide additional design margin and are acceptable for substitution. Verify that your application does not require operation below -55°C before selecting a substitute with a lower minimum temperature rating.

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