MBR6045PTHC0G Equivalent & Substitute Parts

Part Overview

The MBR6045PTHC0G is a Schottky diode array manufactured by Taiwan Semiconductor Corporation, configured as 1 pair common cathode with a maximum reverse voltage of 45 V and average rectified current of 60 A per diode. The component is housed in a TO-247-3 through-hole package and is qualified to AEC-Q101 automotive standards. This part is active and in production. Equivalent and substitute parts are identified to support design flexibility, supply chain alternatives, and application-specific performance requirements within the same electrical and mechanical parameter space.

Key Parameters

Parameter	Value
Manufacturer Part Number	MBR6045PTHC0G
Manufacturer	Taiwan Semiconductor Corporation
Category	Diodes, Rectifiers
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	45 V
Current - Average Rectified (Io) (per Diode)	60 A
Voltage - Forward (Vf) (Max) @ If	820 mV @ 60 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	1 mA @ 45 V
Operating Temperature - Junction	-55°C ~ 150°C
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Through Hole
Package / Case	TO-247-3
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the MBR6045PTHC0G are identified based on strict electrical and mechanical compatibility criteria. All substitute parts share the following mandatory parameters with the main part:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 45 V
Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)
Mounting Type: Through Hole
Package / Case: TO-247-3
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

Substitute parts are grouped by current rating, as the average rectified current (Io) per diode is the primary differentiating parameter. The MBR6045PTHC0G operates at 60 A and is the highest current-rated part in the substitution set. Lower current-rated alternatives are available from STMicroelectronics and Vishay General Semiconductor - Diodes Division, each with distinct forward voltage and reverse leakage characteristics at their respective current ratings.

Parameter Comparison

Part Number	Manufacturer	Io (per Diode)	Vf (Max) @ If	Vr (Max)	Reverse Leakage @ Vr	Tj (Max)	Package
MBR6045PTHC0G	Taiwan Semiconductor Corporation	60 A	820 mV @ 60 A	45 V	1 mA @ 45 V	150°C	TO-247-3
STPS3045CW	STMicroelectronics	15 A	570 mV @ 15 A	45 V	200 µA @ 45 V	200°C	TO-247-3
STPS30L45CW	STMicroelectronics	15 A	550 mV @ 15 A	45 V	400 µA @ 45 V	150°C	TO-247-3
STPS4045CW	STMicroelectronics	20 A	760 mV @ 20 A	45 V	200 µA @ 45 V	175°C	TO-247-3
STPS40L45CW	STMicroelectronics	20 A	530 mV @ 20 A	45 V	600 µA @ 45 V	150°C	TO-247-3
STPS6045CW	STMicroelectronics	30 A	630 mV @ 30 A	45 V	500 µA @ 45 V	175°C	TO-247-3
STPS60L45CW	STMicroelectronics	30 A	550 mV @ 30 A	45 V	1.5 mA @ 45 V	150°C	TO-247-3
STPS61L45CW	STMicroelectronics	30 A	560 mV @ 30 A	45 V	1.5 mA @ 45 V	150°C	TO-247-3
VS-MBR3045WT-N3	Vishay General Semiconductor - Diodes Division	15 A	760 mV @ 30 A	45 V	1 mA @ 45 V	Not Specified	TO-247-3

Engineering Selection Recommendations

All listed substitute parts maintain compliance with ROHS3, REACH Unaffected, and MSL 1 (Unlimited) standards. Selection of substitute parts should be based on application current requirements and thermal operating conditions.

For applications requiring the full 60 A current capacity of the MBR6045PTHC0G, no direct electrical equivalent exists within the provided substitute list. The highest current-rated alternatives are the 30 A devices: STPS6045CW, STPS60L45CW, and STPS61L45CW.

For applications with reduced current requirements, the following groupings apply:

15 A Current Rating: STPS3045CW, STPS30L45CW, and VS-MBR3045WT-N3 are suitable for designs requiring 15 A per diode. STPS3045CW supports junction temperatures to 200°C. STPS30L45CW and VS-MBR3045WT-N3 are rated to 150°C maximum junction temperature.

20 A Current Rating: STPS4045CW and STPS40L45CW are suitable for designs requiring 20 A per diode. STPS4045CW supports junction temperatures to 175°C. STPS40L45CW is rated to 150°C maximum junction temperature.

30 A Current Rating: STPS6045CW, STPS60L45CW, and STPS61L45CW are suitable for designs requiring 30 A per diode. STPS6045CW supports junction temperatures to 175°C. STPS60L45CW and STPS61L45CW are rated to 150°C maximum junction temperature.

All substitute parts are active products with current inventory availability and maintain the same TO-247-3 through-hole package configuration, ensuring mechanical compatibility with existing PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can STPS6045CW, STPS60L45CW, or STPS61L45CW be used as direct replacements for MBR6045PTHC0G?

A: These 30 A devices share the same 45 V reverse voltage rating, Schottky technology, fast recovery speed, 1 pair common cathode configuration, and TO-247-3 package. However, they are rated for 30 A average rectified current per diode, not 60 A. They are suitable only for applications designed for 30 A operation.

Q: What is the primary difference between STPS40L45CW and STPS4045CW?

A: Both devices are rated for 20 A average rectified current at 45 V reverse voltage in TO-247-3 packages. STPS40L45CW has a lower forward voltage (530 mV @ 20 A) and maximum junction temperature of 150°C. STPS4045CW has a higher forward voltage (760 mV @ 20 A) and maximum junction temperature of 175°C.

Q: Are all substitute parts automotive-qualified?

A: The MBR6045PTHC0G carries AEC-Q101 automotive qualification. The substitute parts listed do not specify automotive qualification in the provided parameters. Automotive qualification status must be verified through manufacturer datasheets if required for the application.

Q: Can lower current-rated parts be used in a circuit designed for 60 A operation?

A: No. Using a lower current-rated device in a 60 A circuit will result in device failure due to thermal stress and current exceeding the device rating. Substitute parts must be selected based on the actual current requirements of the application.

Q: What is the significance of the "L" designation in part numbers like STPS40L45CW and STPS60L45CW?

A: The "L" designation indicates a low forward voltage variant within the same current and voltage rating family. These devices exhibit reduced forward voltage drop compared to their non-L counterparts, resulting in lower power dissipation.

Q: Are all parts in the same package compatible with existing PCB layouts?

A: Yes. All listed parts use the TO-247-3 through-hole package, ensuring mechanical and pin compatibility with PCB designs originally specified for the MBR6045PTHC0G.

Q: What is the difference between reverse leakage specifications across substitute parts?

A: Reverse leakage current varies by manufacturer and device variant. Lower reverse leakage reduces standby power consumption. The MBR6045PTHC0G specifies 1 mA @ 45 V. Substitute parts range from 200 µA to 1.5 mA @ 45 V. Selection should consider application standby power requirements.

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