MBR15150CT Equivalent & Substitute Parts

Part Overview

The MBR15150CT is a Schottky diode array in a 1 Pair Common Cathode configuration rated for 150 V DC reverse voltage and 15 A average rectified current per diode. Manufactured by Taiwan Semiconductor Corporation, this component features fast recovery characteristics (≤500 ns) and is housed in a TO-220-3 through-hole package. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design requirements and production continuity.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	150 V
Current - Average Rectified (Io) (per Diode)	15 A
Voltage - Forward (Vf) (Max) @ If	1.05 V @ 7.5 A
Speed	Fast Recovery ≤500 ns, >200 mA (Io)
Current - Reverse Leakage @ Vr	100 µA @ 150 V
Operating Temperature - Junction	-55°C ~ 150°C
Mounting Type	Through Hole
Package / Case	TO-220-3
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MBR15150CT is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters for Direct Substitution:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 150 V
Current - Average Rectified (Io) (per Diode): 15 A
Package / Case: TO-220-3
Mounting Type: Through Hole

Acceptable Variation Parameters:

Voltage - Forward (Vf) (Max) @ If: Variations within typical Schottky diode specifications
Current - Reverse Leakage @ Vr: Variations within specified operating conditions
Operating Temperature - Junction: Extended ranges acceptable if minimum -55°C and maximum ≥150°C maintained

Substitute parts are grouped into two categories:

Parametric Equivalent (Full Electrical Match): MBR15150CTHC0G matches all critical parameters with identical 15 A current rating and 150 V reverse voltage. This part is Active status and AEC-Q101 qualified for automotive applications.

Similar Current Rating Substitutes (10 A - 20 A Range): Parts including V20150C-E3/4W (10 A), V30150C-E3/4W (15 A), and V40M150C-M3/4W (20 A) maintain the 150 V reverse voltage and TO-220-3 package while offering alternative current ratings. These are suitable for applications where the exact 15 A specification is not mandatory.

Lower Current Rating Substitutes (5 A Range): MBR10150CT-G1, V10150C-E3/4W, and V10150C-M3/4W provide 5 A current capability with identical voltage and package specifications. These are applicable only in circuits where 5 A operation is sufficient.

Parameter Comparison

Part Number	Manufacturer	Io (per Diode)	Vr (Max)	Vf (Max) @ If	Ir @ Vr	Tj (Operating)	Package	Status	Grade
MBR15150CT	Taiwan Semiconductor Corporation	15 A	150 V	1.05 V @ 7.5 A	100 µA @ 150 V	-55°C ~ 150°C	TO-220-3	Discontinued	Standard
MBR15150CTHC0G	Taiwan Semiconductor Corporation	15 A	150 V	1.05 V @ 7.5 A	100 µA @ 150 V	-55°C ~ 150°C	TO-220-3	Active	Automotive (AEC-Q101)
MBR10150CT-G1	Diodes Incorporated	5 A	150 V	890 mV @ 5 A	50 µA @ 150 V	-55°C ~ 175°C	TO-220-3	Active	Standard
V10150C-E3/4W	Vishay General Semiconductor - Diodes Division	5 A	150 V	1.41 V @ 5 A	100 µA @ 150 V	-55°C ~ 150°C	TO-220-3	Active	Standard
V10150C-M3/4W	Vishay General Semiconductor - Diodes Division	5 A	150 V	1.41 V @ 5 A	100 µA @ 150 V	-55°C ~ 150°C	TO-220-3	Active	Standard
V20150C-E3/4W	Vishay General Semiconductor - Diodes Division	10 A	150 V	1.2 V @ 10 A	150 µA @ 150 V	-55°C ~ 150°C	TO-220-3	Active	Standard
V20150C-M3/4W	Vishay General Semiconductor - Diodes Division	10 A	150 V	1.2 V @ 10 A	150 µA @ 150 V	-55°C ~ 150°C	TO-220-3	Active	Automotive (AEC-Q101)
V30150C-E3/4W	Vishay General Semiconductor - Diodes Division	15 A	150 V	1.36 V @ 15 A	200 µA @ 150 V	-55°C ~ 150°C	TO-220-3	Active	Standard
V30150C-M3/4W	Vishay General Semiconductor - Diodes Division	15 A	150 V	1.36 V @ 15 A	200 µA @ 150 V	-55°C ~ 150°C	TO-220-3	Active	Standard
V40M150C-M3/4W	Vishay General Semiconductor - Diodes Division	20 A	150 V	1.43 V @ 20 A	250 µA @ 150 V	-40°C ~ 175°C	TO-220-3	Active	Automotive (AEC-Q101)
V40150C-E3/4W	Vishay General Semiconductor - Diodes Division	20 A	150 V	1.43 V @ 20 A	250 µA @ 150 V	-55°C ~ 150°C	TO-220-3	Active	Standard

Engineering Selection Recommendations

Primary Recommendation - Parametric Equivalent:

MBR15150CTHC0G is the direct parametric equivalent to MBR15150CT. This part maintains identical electrical specifications including 15 A average rectified current, 150 V reverse voltage, and 1.05 V forward voltage at 7.5 A. The component is currently Active in production status with 1006 units in stock. MBR15150CTHC0G carries AEC-Q101 automotive qualification, providing enhanced reliability documentation suitable for automotive and industrial applications. The operating temperature range remains -55°C to 150°C, matching the original specification.

Secondary Recommendation - Vishay V30150C Series (15 A Rating):

V30150C-E3/4W and V30150C-M3/4W are Vishay TMBS® series diodes rated for 15 A operation at 150 V reverse voltage in TO-220-3 packages. Both variants are Active status with substantial inventory availability (32,000 and 1,454 units respectively). The forward voltage specification is 1.36 V @ 15 A, representing a 0.31 V increase compared to MBR15150CT. V30150C-M3/4W includes AEC-Q101 automotive qualification. These parts are suitable for direct substitution in applications where the forward voltage differential is acceptable within circuit design margins.

Alternative Recommendations - Current Rating Flexibility:

For applications where current requirements are lower than 15 A, the following alternatives are available:

10 A Rating: V20150C-E3/4W (9,793 units) and V20150C-M3/4W (1,500 units, AEC-Q101 qualified) provide 1.2 V forward voltage at 10 A.
5 A Rating: MBR10150CT-G1 (19,400 units), V10150C-E3/4W (5,365 units), and V10150C-M3/4W (1,270 units) provide 5 A operation with forward voltages ranging from 890 mV to 1.41 V.
20 A Rating: V40M150C-M3/4W (5,400 units, AEC-Q101 qualified) and V40150C-E3/4W (5,161 units) provide 20 A operation for applications requiring higher current capacity.

All recommended substitutes maintain ROHS3 compliance, MSL 1 rating, and TO-220-3 through-hole packaging. Selection should be based on specific circuit current requirements and forward voltage tolerance.

Frequently Asked Questions (FAQ)

Q: Can MBR15150CTHC0G be used as a direct replacement for MBR15150CT?

A: Yes. MBR15150CTHC0G is a parametric equivalent with identical electrical specifications: 15 A average rectified current, 150 V reverse voltage, 1.05 V forward voltage at 7.5 A, and -55°C to 150°C operating temperature range. The primary difference is product status (Active vs. Discontinued) and automotive qualification (AEC-Q101). Pin configuration and TO-220-3 package are identical.

Q: What is the difference between the E3/4W and M3/4W variants in the Vishay TMBS® series?

A: The E3/4W and M3/4W designations indicate different packaging or qualification levels within the Vishay product line. Both variants maintain identical electrical specifications for their respective current ratings. The M3/4W variants typically include automotive-grade qualification (AEC-Q101) and extended temperature ranges. Consult specific datasheets for packaging configuration details.

Q: Can I use a 10 A rated diode (V20150C series) in place of the 15 A MBR15150CT?

A: Substitution with lower current-rated parts is application-dependent. The V20150C series is rated for 10 A average rectified current. If your circuit operates at or below 10 A, this substitution is acceptable. If circuit operation requires 15 A capability, lower-rated parts will not provide adequate current handling and may result in component failure or thermal stress.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance status, matching the original MBR15150CT specification.

Q: What is the significance of the forward voltage differences between substitute parts?

A: Forward voltage (Vf) variations affect circuit efficiency and thermal dissipation. The MBR15150CT specifies 1.05 V @ 7.5 A, while Vishay V30150C series specifies 1.36 V @ 15 A. This 0.31 V difference results in increased power dissipation (P = Vf × I) and heat generation. Circuit designs with tight thermal budgets or efficiency requirements must account for these variations. Lower forward voltage parts (such as MBR10150CT-G1 at 890 mV @ 5 A) provide improved efficiency but at reduced current ratings.

Q: Is the TO-220-3 package identical across all substitute parts?

A: Yes. All substitute parts specified in this reference use TO-220-3 through-hole packages with identical pin configurations and mechanical dimensions. Direct board-level substitution is possible without PCB redesign.

Q: Which substitute part offers the best availability?

A: V30150C-E3/4W offers the highest inventory availability with 32,000 units in stock. This part maintains the 15 A current rating and 150 V reverse voltage specification with Active product status.

Q: Can I use a 20 A rated diode (V40M150C-M3/4W) in a circuit designed for 15 A operation?

A: Yes. Higher current-rated parts are suitable for applications designed for lower current operation. The V40M150C-M3/4W is rated for 20 A and will safely operate at 15 A or below. The primary consideration is forward voltage (1.43 V @ 20 A vs. 1.05 V @ 7.5 A for the original), which affects power dissipation and thermal performance.

Q: What is the operating temperature range difference between MBR15150CT and V40M150C-M3/4W?

A: MBR15150CT operates from -55°C to 150°C. V40M150C-M3/4W operates from -40°C to 175°C. The V40M150C-M3/4W provides extended high-temperature capability (25°C higher maximum) but a narrower low-temperature range (15°C higher minimum). For applications requiring -55°C operation, the V40M150C-M3/4W is not suitable.

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