DSA60C45HB Equivalent & Substitute Parts

Part Overview

The DSA60C45HB is an IXYS Schottky diode array featuring 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 diode configuration, voltage rating, current capacity, package type, and thermal characteristics to ensure functional interchangeability in circuit applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	DSA60C45HB
Manufacturer	IXYS
Category	Diodes, Rectifiers
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	770 mV @ 30 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature - Junction	-55°C ~ 175°C
Package / Case	TO-247-3
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the DSA60C45HB are classified into two functional groups based on current rating capacity while maintaining identical voltage specifications and package compatibility:

Group 1: 15 A Current Rating (Reduced Current Capacity) Parts STPS3045CW and STPS30L45CW are suitable for applications requiring lower current handling than the primary 30 A specification. These parts maintain the 45 V reverse voltage rating, 1 Pair Common Cathode configuration, TO-247-3 package, and fast recovery Schottky technology. Selection from this group is appropriate when circuit design permits reduced current capacity.

Group 2: 20 A Current Rating (Intermediate Current Capacity) Parts STPS4045CWY and STPS40L45CW provide intermediate current capacity between the 15 A and 30 A ratings. Both maintain 45 V reverse voltage, common cathode configuration, TO-247-3 package, and fast recovery characteristics. STPS4045CWY includes automotive qualification (AEC-Q101) and extended temperature range (-40°C ~ 175°C).

Group 3: 30 A Current Rating (Full Current Capacity Match) Parts STPS6045CW, STPS60L45CW, and STPS61L45CW provide direct current capacity matching at 30 A. All three maintain 45 V reverse voltage, 1 Pair Common Cathode configuration, TO-247-3 package, and fast recovery Schottky technology. These parts are direct functional equivalents for applications requiring full 30 A current handling.

Substitution logic is based on the following key parameters: Voltage - DC Reverse (Vr) (Max), Current - Average Rectified (Io) (per Diode), Diode Configuration, Technology, Package / Case, Mounting Type, and Speed classification.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Reverse Leakage @ Vr	Tj (Max)	Package	Inventory
DSA60C45HB	IXYS	45 V	30 A	770 mV @ 30 A	450 µA @ 45 V	175°C	TO-247-3	707 Pcs
STPS3045CW	STMicroelectronics	45 V	15 A	570 mV @ 15 A	200 µA @ 45 V	200°C	TO-247-3	1359 Pcs
STPS30L45CW	STMicroelectronics	45 V	15 A	550 mV @ 15 A	400 µA @ 45 V	150°C	TO-247-3	2600 Pcs
STPS4045CWY	STMicroelectronics	45 V	20 A	760 mV @ 20 A	200 µA @ 45 V	175°C	TO-247-3	3400 Pcs
STPS40L45CW	STMicroelectronics	45 V	20 A	530 mV @ 20 A	600 µA @ 45 V	150°C	TO-247-3	2300 Pcs
STPS6045CW	STMicroelectronics	45 V	30 A	630 mV @ 30 A	500 µA @ 45 V	175°C	TO-247-3	2200 Pcs
STPS60L45CW	STMicroelectronics	45 V	30 A	550 mV @ 30 A	1.5 mA @ 45 V	150°C	TO-247-3	1451 Pcs
STPS61L45CW	STMicroelectronics	45 V	30 A	560 mV @ 30 A	1.5 mA @ 45 V	150°C	TO-247-3	1410 Pcs

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the primary DSA60C45HB device. Selection criteria are determined by application current requirements and thermal operating conditions.

For 30 A Applications (Direct Equivalents): STPS6045CW, STPS60L45CW, and STPS61L45CW provide full current capacity matching. STPS6045CW offers the lowest forward voltage drop (630 mV @ 30 A) and maximum junction temperature of 175°C, matching the DSA60C45HB thermal rating. STPS60L45CW and STPS61L45CW operate at reduced maximum junction temperature (150°C) but provide lower forward voltage characteristics (550 mV and 560 mV respectively).

For 20 A Applications (Intermediate Current): STPS4045CWY and STPS40L45CW are suitable when circuit design permits 20 A operation. STPS4045CWY includes automotive qualification (AEC-Q101) and maintains -40°C ~ 175°C operating range. STPS40L45CW provides the lowest forward voltage drop (530 mV @ 20 A) but operates at reduced maximum junction temperature (150°C).

For 15 A Applications (Reduced Current): STPS3045CW and STPS30L45CW are applicable for lower current requirements. STPS3045CW offers the highest maximum junction temperature (200°C) among all substitutes. STPS30L45CW provides lower forward voltage (550 mV @ 15 A) but operates at 150°C maximum junction temperature.

Frequently Asked Questions (FAQ)

Q: Can STPS6045CW directly replace DSA60C45HB in all applications? A: STPS6045CW maintains identical voltage rating (45 V), current capacity (30 A), diode configuration (1 Pair Common Cathode), package (TO-247-3), and maximum junction temperature (175°C). Direct replacement is supported for applications operating within these specifications.

Q: What is the difference between STPS60L45CW and STPS6045CW? A: Both parts share identical voltage (45 V), current (30 A), configuration, and package specifications. STPS60L45CW provides lower forward voltage (550 mV vs. 630 mV @ 30 A) but operates at reduced maximum junction temperature (150°C vs. 175°C). Selection depends on thermal design constraints and forward voltage loss requirements.

Q: Can I use STPS4045CWY in place of DSA60C45HB? A: STPS4045CWY is suitable only for applications where 20 A current capacity is sufficient. The part maintains 45 V voltage rating and TO-247-3 package but cannot handle the full 30 A specification of the DSA60C45HB. Automotive qualification (AEC-Q101) is an additional feature not present in the primary part.

Q: Why do some substitute parts have lower maximum junction temperatures? A: Maximum junction temperature is a device-specific thermal characteristic determined by semiconductor design and packaging. Parts with 150°C maximum ratings (STPS30L45CW, STPS40L45CW, STPS60L45CW, STPS61L45CW) require thermal management verification in applications approaching this limit. The DSA60C45HB and STPS4045CWY both support 175°C operation.

Q: Are all substitute parts ROHS3 compliant? A: All listed substitute parts are ROHS3 compliant and maintain Active product status, ensuring regulatory compliance equivalent to the DSA60C45HB.

Q: What is the significance of forward voltage differences between parts? A: Forward voltage (Vf) directly affects power dissipation and thermal performance. Lower Vf values (STPS40L45CW at 530 mV, STPS60L45CW at 550 mV) reduce heat generation compared to higher Vf devices (DSA60C45HB at 770 mV). Selection depends on thermal budget and efficiency requirements.

Q: Can I use a 15 A rated part in a 30 A application? A: No. STPS3045CW and STPS30L45CW are rated for maximum 15 A average rectified current. Using these parts in 30 A applications exceeds device specifications and creates reliability risk.

Q: Is the TO-247-3 package identical across all parts? A: All listed parts use TO-247-3 through-hole package with identical mechanical dimensions and pin configuration, ensuring PCB footprint compatibility.

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