DSB60C60PB Equivalent & Substitute Parts

Part Overview

The DSB60C60PB is a Schottky diode array manufactured by IXYS, configured as 1 pair common cathode with 60 V reverse voltage rating and 30 A average rectified current 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 specifications, mechanical compatibility, and functional performance within the same package class. Substitutes enable design flexibility, supply chain alternatives, and performance optimization across different application requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io) (per Diode)	30	A
Voltage - Forward (Vf) (Max) @ If	780 mV @ 30 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	20	mA @ 60 V
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the DSB60C60PB is determined by the following critical parameters:

Mandatory Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 60 V
Diode Configuration: 1 Pair Common Cathode
Mounting Type: Through Hole
Package / Case: TO-220-3
Technology: Schottky or Super Barrier (functionally equivalent fast-recovery diode technologies)

Current Rating Compatibility: Substitute parts are grouped by average rectified current capacity. The DSB60C60PB operates at 30 A per diode. Substitutes with lower current ratings (5 A, 10 A, 15 A, 20 A) are suitable for applications requiring reduced current handling. Substitutes with equal or higher current ratings maintain full electrical compatibility.

Performance Parameters: Forward voltage (Vf), reverse leakage current, and recovery speed are secondary selection criteria. Variations in these parameters do not prevent substitution but affect circuit performance characteristics such as power dissipation and switching behavior.

Compliance and Status: All substitute parts maintain ROHS3 compliance and through-hole TO-220-3 packaging. Product status (active or obsolete) and manufacturer certifications are documented for design qualification purposes.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io (per Diode) [A]	Vf (Max) [mV]	Speed	Ir @ Vr [mA/µA]	Tj (Max) [°C]	Technology	Status
DSB60C60PB	IXYS	60	30	780 @ 30 A	Fast Recovery ≤ 500ns	20 mA	150	Schottky	Active
MBR2060CTG	onsemi	60	10	850 @ 10 A	Fast Recovery ≤ 500ns	100 µA	175	Schottky	Active
MBR2560CT	Diodes Incorporated	60	15	750 @ 15 A	Fast Recovery ≤ 500ns	1 mA	150	Schottky	Obsolete
SBR1060CT	Diodes Incorporated	60	5	680 @ 5 A	Fast Recovery ≤ 500ns	500 µA	150	Super Barrier	Active
SBR20U60CT	Diodes Incorporated	60	10	710 @ 20 A	Fast Recovery ≤ 500ns	500 µA	150	Super Barrier	Active
SBR3060CT	Diodes Incorporated	60	15	700 @ 15 A	Fast Recovery ≤ 500ns	500 µA	150	Super Barrier	Active
SBR30A60CT	Diodes Incorporated	60	15	600 @ 15 A	Fast Recovery ≤ 500ns	500 µA	150	Super Barrier	Active
SBR30A60CT-G	Diodes Incorporated	60	15	600 @ 15 A	Standard Recovery >500ns	500 µA	150	Super Barrier	Active
STPS20L60CT	STMicroelectronics	60	10	600 @ 10 A	Fast Recovery ≤ 500ns	350 µA	150	Schottky	Active
STPS30H60CT	STMicroelectronics	60	15	660 @ 15 A	Fast Recovery ≤ 500ns	60 µA	175	Schottky	Active
STPS41L60CT	STMicroelectronics	60	20	600 @ 20 A	Fast Recovery ≤ 500ns	600 µA	150	Schottky	Active

Engineering Selection Recommendations

Current Rating Selection: The DSB60C60PB is rated for 30 A per diode. Substitute parts are available across a range of current ratings from 5 A to 20 A. Selection of a substitute with lower current rating is appropriate for applications with reduced current requirements. The STPS41L60CT (20 A) provides the closest current match below the original specification.

Active Product Status Priority: All substitute parts except MBR2560CT maintain active product status. MBR2560CT is classified as obsolete and should be avoided for new designs unless legacy compatibility is required. Active parts ensure long-term availability and manufacturing support.

Compliance and Certification: All listed substitutes maintain ROHS3 compliance. MBR2560CT carries AEC-Q101 automotive qualification and REACH Affected status, indicating suitability for automotive applications. All other substitutes are REACH Unaffected. Selection based on application requirements and supply chain qualification.

Temperature Operating Range: The DSB60C60PB operates to 150°C maximum junction temperature. Substitutes from onsemi (MBR2060CTG) and STMicroelectronics (STPS30H60CT, STPS41L60CT) extend to 175°C, providing thermal margin in high-temperature environments. Diodes Incorporated parts maintain 150°C maximum.

Forward Voltage Characteristics: Forward voltage varies across substitutes from 600 mV to 850 mV at rated current. Lower forward voltage reduces power dissipation. STPS41L60CT, SBR30A60CT, and SBR30A60CT-G offer 600 mV forward voltage, matching the lowest dissipation profile.

Frequently Asked Questions (FAQ)

Q: Can I substitute a lower current-rated diode for the DSB60C60PB in my application?

A: Yes, provided your circuit operates below the substitute part's current rating. For example, SBR3060CT (15 A rating) is suitable for applications drawing less than 15 A per diode. Verify that your actual circuit current does not exceed the substitute's average rectified current specification.

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

A: Both Schottky and Super Barrier are fast-recovery diode technologies with similar electrical characteristics. Super Barrier diodes (SBR series) typically exhibit lower forward voltage and reduced reverse leakage compared to standard Schottky devices. Both technologies are functionally compatible for the same 60 V, 1 pair common cathode configuration.

Q: Are all substitute parts compatible with the TO-220-3 package footprint?

A: Yes. All listed substitutes use TO-220-3 through-hole packaging and are mechanically compatible with the DSB60C60PB footprint. Verify PCB layout and thermal management requirements, as different manufacturers may have minor dimensional variations within the TO-220-3 standard.

Q: Why is MBR2560CT listed as obsolete?

A: MBR2560CT is classified as obsolete by Diodes Incorporated. While inventory may be available, new designs should not rely on this part for long-term production. Active alternatives such as SBR3060CT or STPS30H60CT are recommended.

Q: Does forward voltage variation affect circuit performance?

A: Yes. Forward voltage directly impacts power dissipation and voltage drop across the diode. Lower forward voltage (600 mV) reduces heat generation compared to higher values (850 mV). Select substitutes based on your thermal budget and voltage drop requirements.

Q: Can I use STPS41L60CT as a direct replacement for DSB60C60PB?

A: STPS41L60CT is electrically compatible but rated for 20 A per diode versus the DSB60C60PB's 30 A. It is suitable only if your application current does not exceed 20 A. For applications requiring the full 30 A capability, no direct substitute with equal current rating is listed.

Q: What is the significance of recovery speed (Fast Recovery vs. Standard Recovery)?

A: Fast Recovery (≤ 500ns) diodes switch faster and generate less switching noise, making them suitable for high-frequency applications. SBR30A60CT-G specifies Standard Recovery (>500ns), which may introduce additional switching losses in fast-switching circuits. Verify switching frequency requirements before selecting this part.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, ensuring compatibility with RoHS3 regulated applications and supply chains.

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