DSB60C45HB Equivalent & Substitute Parts

Part Overview

The DSB60C45HB is an IXYS Schottky diode array in a 1 Pair Common Cathode configuration rated for 45 V DC reverse voltage and 30 A average rectified current per diode. The device is packaged in TO-247-3 through-hole format and is classified as Active product status with ROHS3 compliance. Equivalent and substitute parts are identified based on matching or exceeding electrical performance parameters while maintaining compatible mechanical packaging and thermal characteristics.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	45	V
Current - Average Rectified (Io) (per Diode)	30	A
Voltage - Forward (Vf) (Max) @ If	620 mV @ 30 A	mV
Technology	Schottky	—
Diode Configuration	1 Pair Common Cathode	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Operating Temperature - Junction	-55°C ~ 150°C	°C
Mounting Type	Through Hole	—
Package / Case	TO-247-3	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the DSB60C45HB is determined by the following criteria:

Primary Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 45 V minimum
Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Package / Case: TO-247-3
Mounting Type: Through Hole
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Current Rating Consideration: Substitute parts are grouped by average rectified current capacity. The DSB60C45HB operates at 30 A per diode. Substitutes with equal or higher current ratings (30 A or greater) are direct equivalents. Substitutes with lower current ratings (15 A or 20 A) are downgrades and operate within reduced current envelopes.

Thermal Operating Range: The DSB60C45HB operates from -55°C to 150°C junction temperature. Substitute parts with equivalent or extended temperature ranges maintain thermal compatibility.

Compliance and Status: All substitute parts maintain ROHS3 compliance and Active product status, ensuring regulatory alignment and supply chain availability.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io per Diode [A]	Vf (Max) [mV]	Tj Operating Range [°C]	Package	RoHS Status
DSB60C45HB	IXYS	45	30	620 @ 30 A	-55 ~ 150	TO-247-3	ROHS3
MBR6045PT_T0_00001	Panjit International Inc.	45	60	700 @ 30 A	-65 ~ 175	TO-247-3	ROHS3
STPS3045CW	STMicroelectronics	45	15	570 @ 15 A	-40 ~ 200	TO-247-3	ROHS3
STPS30L45CW	STMicroelectronics	45	15	550 @ 15 A	-40 ~ 150	TO-247-3	ROHS3
STPS4045CWY	STMicroelectronics	45	20	760 @ 20 A	-40 ~ 175	TO-247-3	ROHS3
STPS40L45CW	STMicroelectronics	45	20	530 @ 20 A	-40 ~ 150	TO-247-3	ROHS3
STPS6045CW	STMicroelectronics	45	30	630 @ 30 A	-40 ~ 175	TO-247-3	ROHS3
STPS60L45CW	STMicroelectronics	45	30	550 @ 30 A	-40 ~ 150	TO-247-3	ROHS3
STPS61L45CW	STMicroelectronics	45	30	560 @ 30 A	-40 ~ 150	TO-247-3	ROHS3
VS-MBR6045WT-N3	Vishay General Semiconductor - Diodes Division	45	30	620 @ 30 A	-55 ~ 150	TO-247-3	ROHS3

Engineering Selection Recommendations

Direct Equivalents (30 A Rating): The following parts are direct equivalents to the DSB60C45HB based on matching current rating, voltage specification, and thermal operating range:

VS-MBR6045WT-N3 (Vishay): Identical electrical specifications including forward voltage (620 mV @ 30 A) and operating temperature range (-55°C ~ 150°C). Supplier device package is TO-247AC, compatible with TO-247-3 footprint. ROHS3 compliant with highest inventory availability (12,590 pcs).
STPS6045CW (STMicroelectronics): Matches 30 A current rating and 45 V reverse voltage. Forward voltage is 630 mV @ 30 A, within acceptable tolerance. Extended upper temperature limit (175°C) provides thermal margin. ROHS3 compliant.
STPS60L45CW (STMicroelectronics): Matches 30 A current rating and 45 V reverse voltage. Forward voltage is 550 mV @ 30 A, lower than the main part, indicating improved efficiency. ROHS3 compliant.
STPS61L45CW (STMicroelectronics): Matches 30 A current rating and 45 V reverse voltage. Forward voltage is 560 mV @ 30 A. ROHS3 compliant.

Higher Current Capacity (60 A Rating):

MBR6045PT_T0_00001 (Panjit International Inc.): Rated for 60 A per diode, exceeding the 30 A requirement. Maintains 45 V reverse voltage specification. Extended operating temperature range (-65°C ~ 175°C). ROHS3 compliant. Suitable for applications requiring current margin or thermal headroom.

Lower Current Capacity (15 A and 20 A Ratings): Parts rated below 30 A (STPS3045CW, STPS30L45CW, STPS4045CWY, STPS40L45CW) are suitable only for applications with reduced current requirements and do not provide equivalent performance for 30 A operation.

Compliance and Availability: All substitute parts maintain ROHS3 compliance and Active product status. Selection should account for inventory availability and lead time requirements specific to the application timeline.

Frequently Asked Questions (FAQ)

Q: Can STPS6045CW replace DSB60C45HB in a 30 A application?

A: Yes. STPS6045CW is rated for 30 A average rectified current per diode, matching the DSB60C45HB specification. Both devices maintain 45 V reverse voltage, Schottky technology, 1 Pair Common Cathode configuration, and TO-247-3 packaging. Forward voltage is 630 mV @ 30 A compared to 620 mV @ 30 A for the DSB60C45HB, a difference of 10 mV within typical application tolerance.

Q: What is the difference between STPS60L45CW and STPS6045CW?

A: Both devices are rated for 30 A and 45 V. The primary difference is forward voltage: STPS60L45CW exhibits 550 mV @ 30 A while STPS6045CW exhibits 630 mV @ 30 A. The "L" designation in STPS60L45CW indicates lower forward voltage, resulting in reduced power dissipation. Operating temperature maximum is 150°C for STPS60L45CW and 175°C for STPS6045CW.

Q: Is VS-MBR6045WT-N3 a direct equivalent to DSB60C45HB?

A: Yes. VS-MBR6045WT-N3 is a parametric equivalent with identical electrical specifications: 45 V reverse voltage, 30 A average rectified current, 620 mV forward voltage @ 30 A, and -55°C to 150°C operating temperature range. The supplier device package is TO-247AC, which is mechanically and electrically compatible with TO-247-3 footprints.

Q: Can MBR6045PT_T0_00001 be used as a substitute for DSB60C45HB?

A: Yes. MBR6045PT_T0_00001 is rated for 60 A per diode, exceeding the 30 A requirement of DSB60C45HB. It maintains 45 V reverse voltage, Schottky technology, and TO-247-3 packaging. The higher current rating provides operational margin. Forward voltage is 700 mV @ 30 A, compared to 620 mV @ 30 A for the DSB60C45HB. Extended operating temperature range (-65°C ~ 175°C) offers thermal flexibility.

Q: Why are STPS3045CW and STPS30L45CW listed if they are only 15 A rated?

A: These parts are listed as reference substitutes for applications with reduced current requirements below 30 A. They maintain the same 45 V reverse voltage, Schottky technology, and TO-247-3 packaging. They are not suitable for full 30 A operation of the DSB60C45HB.

Q: What does "1 Pair Common Cathode" configuration mean?

A: This configuration indicates the diode array contains two diodes with a shared cathode terminal. All substitute parts listed maintain this same configuration, ensuring pin-compatible operation in circuits designed for the DSB60C45HB.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance, matching the regulatory status of the DSB60C45HB.

Q: What is the significance of the TO-247-3 package?

A: TO-247-3 is a through-hole package with three leads, suitable for high-current applications. All substitute parts use TO-247-3 or compatible variants (TO-247AC, TO-3P), ensuring mechanical and thermal compatibility with existing PCB layouts and heat sink mounting.

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