DSB60C30HB Equivalent & Substitute Parts

Part Overview

The DSB60C30HB is an active Schottky diode array manufactured by IXYS, configured as a 1 Pair Common Cathode rectifier with 30V reverse voltage rating and 30A average rectified current per diode. The device is packaged in TO-247-3 through-hole configuration and is RoHS3 compliant. Substitute parts are identified based on matching diode configuration, voltage rating, package type, and thermal characteristics to ensure functional equivalence in circuit applications.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io) (per Diode)	30 A
Voltage - Forward (Vf) (Max) @ If	530 mV @ 30 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Package / Case	TO-247-3
Mounting Type	Through Hole
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	RoHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the DSB60C30HB are qualified based on the following criteria:

Primary Matching Parameters:

Diode configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage rating: 30V DC reverse maximum
Package type: TO-247-3 through-hole
Fast recovery speed characteristic: ≤ 500ns, > 200mA

Secondary Compatibility Parameters:

Current rating: Equal to or greater than 30A per diode
Forward voltage: Within acceptable operating range for Schottky rectifiers
Reverse leakage: Acceptable at rated voltage
Thermal operating range: Minimum -55°C to 150°C junction temperature
Compliance: RoHS3 compliant, REACH unaffected

Parts meeting these criteria are electrically and mechanically interchangeable in applications designed for the DSB60C30HB.

Parameter Comparison

Parameter	DSB60C30HB (IXYS)	STPS60L30CW (STMicroelectronics)	MBR7030WTG (onsemi)
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Technology	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V	30 V	30 V
Current - Average Rectified (Io) (per Diode)	30 A	30 A	35 A
Voltage - Forward (Vf) (Max) @ If	530 mV @ 30 A	460 mV @ 30 A	550 mV @ 35 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	20 mA @ 30 V	4 mA @ 30 V	5 mA @ 30 V
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 175°C
Package / Case	TO-247-3	TO-247-3	TO-247-3
Mounting Type	Through Hole	Through Hole	Through Hole
RoHS Status	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant

Engineering Selection Recommendations

STPS60L30CW (STMicroelectronics) provides direct electrical equivalence to the DSB60C30HB with identical voltage and current ratings. This substitute demonstrates lower forward voltage (460 mV vs. 530 mV at 30A) and reduced reverse leakage (4 mA vs. 20 mA), resulting in improved thermal efficiency. The part maintains the same junction temperature range and is RoHS3 compliant. High inventory availability (90,200 units) supports production continuity.

MBR7030WTG (onsemi) qualifies as a substitute with higher current capacity (35A vs. 30A per diode) and extended maximum junction temperature (175°C vs. 150°C). Forward voltage is slightly elevated (550 mV @ 35A). This part is suitable for applications requiring thermal margin or higher current headroom. The SWITCHMODE™ series designation indicates optimization for switching applications. Inventory availability is adequate (1,168 units).

Both substitutes maintain TO-247-3 through-hole packaging, common cathode configuration, and Schottky technology. Selection between substitutes depends on application-specific requirements for thermal performance, current margin, and forward voltage characteristics.

Frequently Asked Questions (FAQ)

Q: Can STPS60L30CW replace DSB60C30HB in existing designs?

A: Yes. STPS60L30CW is electrically and mechanically compatible. Both devices share identical voltage rating (30V), current rating (30A per diode), package type (TO-247-3), and diode configuration (1 Pair Common Cathode). The STPS60L30CW exhibits lower forward voltage and reverse leakage, which may improve circuit efficiency.

Q: What is the difference between MBR7030WTG and DSB60C30HB?

A: MBR7030WTG has higher current capacity (35A vs. 30A per diode) and extended maximum junction temperature (175°C vs. 150°C). Both share 30V reverse voltage rating, TO-247-3 package, and common cathode configuration. Forward voltage is slightly higher in the MBR7030WTG (550 mV @ 35A vs. 530 mV @ 30A).

Q: Are all three parts pin-compatible?

A: Yes. All three parts use TO-247-3 through-hole packaging with identical pin configuration for 1 Pair Common Cathode diode arrays. Direct board-level substitution is possible without layout modification.

Q: Which substitute has the lowest forward voltage drop?

A: STPS60L30CW exhibits the lowest forward voltage at 460 mV @ 30A, compared to 530 mV @ 30A for DSB60C30HB and 550 mV @ 35A for MBR7030WTG.

Q: Can MBR7030WTG be used in applications rated for 30A if the circuit only draws 30A?

A: Yes. MBR7030WTG is rated for 35A per diode and operates safely at 30A. The higher current rating provides design margin without affecting performance at lower current levels.

Q: What is the reverse leakage difference between these parts?

A: DSB60C30HB has 20 mA reverse leakage @ 30V. STPS60L30CW has 4 mA @ 30V. MBR7030WTG has 5 mA @ 30V. Lower reverse leakage reduces standby power dissipation.

Q: Are all parts RoHS3 compliant?

A: Yes. DSB60C30HB, STPS60L30CW, and MBR7030WTG are all RoHS3 compliant with Moisture Sensitivity Level 1 (Unlimited).

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