MBRF20150CT Equivalent & Substitute Parts

Part Overview

The MBRF20150CT is a Schottky diode array manufactured by Taiwan Semiconductor Corporation, configured as a 1 Pair Common Cathode with 150V reverse voltage rating and 20A average rectified current per diode. The device is packaged in TO-220-3 Full Pack with isolated tab and is classified as Active product status with ROHS3 compliance.

Equivalent and substitute parts are identified based on matching electrical characteristics, mechanical packaging, and thermal operating ranges. Alternative components serve applications where the primary part is unavailable, discontinued, or where design flexibility permits selection from qualified alternatives meeting the same functional requirements.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	150	V
Current - Average Rectified (Io) (per Diode)	20	A
Voltage - Forward (Vf) (Max) @ If	1.05	V @ 20 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	100	µA @ 150 V
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3 Full Pack, Isolated Tab	—
Supplier Device Package	ITO-220AB	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MBRF20150CT are qualified based on the following criteria:

Electrical Compatibility:

Diode configuration must be 1 Pair Common Cathode
Technology must be Schottky
Voltage - DC Reverse (Vr) (Max) must be 150V
Current - Average Rectified (Io) per diode must be 20A or greater
Operating temperature range must encompass -55°C to 150°C junction temperature
Speed classification must be Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical Compatibility:

Mounting type must be Through Hole
Package / Case must be TO-220-3 Full Pack, Isolated Tab
Supplier Device Package must be ITO-220AB

Regulatory Compliance:

RoHS3 Compliant status required
MSL rating of 1 (Unlimited) required

Parts meeting all electrical, mechanical, and regulatory parameters are classified as direct substitutes. Parts with identical electrical and mechanical specifications but from different manufacturers are functionally equivalent.

Parameter Comparison

Part Number	Manufacturer	Io (A)	Vf (Max) @ If	Ir @ Vr (µA)	Product Status	RoHS3
MBRF20150CT	Taiwan Semiconductor Corporation	20	1.05 V @ 20 A	100 @ 150 V	Active	Compliant
VF40150C-E3/4W	Vishay General Semiconductor - Diodes Division	20	1.43 V @ 20 A	250 @ 150 V	Active	Compliant
VF40150C-M3/4W	Vishay General Semiconductor - Diodes Division	20	1.43 V @ 20 A	250 @ 150 V	Active	Compliant
VF20150C-E3/4W	Vishay General Semiconductor - Diodes Division	10	1.2 V @ 10 A	150 @ 150 V	Active	Compliant
VF20150C-M3/4W	Vishay General Semiconductor - Diodes Division	10	1.2 V @ 10 A	150 @ 150 V	Active	Compliant
VF30150C-E3/4W	Vishay General Semiconductor - Diodes Division	15	1.36 V @ 15 A	200 @ 150 V	Active	Compliant
VF10150C-E3/4W	Vishay General Semiconductor - Diodes Division	5	1.41 V @ 5 A	100 @ 150 V	Active	Compliant
MBRF20150CTL	Diodes Incorporated	—	—	—	Obsolete	Compliant

Engineering Selection Recommendations

Direct Substitutes (20A Rating):

VF40150C-E3/4W and VF40150C-M3/4W from Vishay General Semiconductor - Diodes Division are direct electrical and mechanical substitutes for the MBRF20150CT. Both parts maintain the 20A average rectified current per diode, 150V reverse voltage rating, TO-220-3 Full Pack isolated tab package, and fast recovery Schottky technology. Both are Active product status with ROHS3 compliance and MSL 1 rating. These parts are suitable for direct replacement in applications where the MBRF20150CT is unavailable.

Derating Substitutes (Lower Current Ratings):

VF30150C-E3/4W (15A), VF20150C-E3/4W (10A), VF20150C-M3/4W (10A), and VF10150C-E3/4W (5A) are qualified alternatives when circuit design permits operation at reduced current ratings. All maintain 150V reverse voltage, TO-220-3 Full Pack isolated tab packaging, and fast recovery Schottky technology. These parts are Active status with ROHS3 compliance. Selection of lower-rated parts requires verification that application current requirements do not exceed the substitute part's Io specification.

Obsolete Status:

MBRF20150CTL from Diodes Incorporated is classified as Obsolete product status and is not recommended for new designs. This part is retained in the reference for legacy system maintenance only.

Frequently Asked Questions (FAQ)

Q: Can VF40150C-E3/4W replace MBRF20150CT in all applications?

A: VF40150C-E3/4W is a direct electrical and mechanical substitute meeting all key parameters: 20A average rectified current per diode, 150V reverse voltage, TO-220-3 Full Pack isolated tab package, fast recovery Schottky technology, and ROHS3 compliance. The part is suitable for direct replacement where MBRF20150CT is unavailable.

Q: What is the difference between VF40150C-E3/4W and VF40150C-M3/4W?

A: Both parts are electrically and mechanically identical with 20A average rectified current per diode, 150V reverse voltage, and TO-220-3 Full Pack isolated tab packaging. The designation suffix (-E3/4W versus -M3/4W) indicates different manufacturing or packaging variants from Vishay. Both are Active status with ROHS3 compliance and are functionally equivalent for substitution purposes.

Q: Can lower-rated parts like VF30150C-E3/4W (15A) be used instead of MBRF20150CT (20A)?

A: VF30150C-E3/4W maintains the same 150V reverse voltage, TO-220-3 Full Pack isolated tab package, and fast recovery Schottky technology. However, the 15A average rectified current per diode is lower than the MBRF20150CT specification of 20A. Substitution is permissible only when circuit design confirms that application current requirements do not exceed 15A per diode.

Q: Are all substitute parts ROHS3 compliant?

A: All substitute parts listed in the Parameter Comparison table are ROHS3 Compliant. MBRF20150CTL is the exception, classified as Obsolete product status, and is not recommended for new designs.

Q: What is the significance of the TO-220-3 Full Pack, Isolated Tab package specification?

A: The TO-220-3 Full Pack, Isolated Tab package defines the physical form factor and thermal characteristics of the device. All qualified substitutes maintain this identical package specification, ensuring mechanical compatibility with existing PCB layouts, heatsink mounting interfaces, and thermal management designs. Package compatibility is a mandatory substitution criterion.

Q: Why does MBRF20150CTL show as Obsolete?

A: MBRF20150CTL from Diodes Incorporated is classified as Obsolete product status. This designation indicates the part is no longer in active production. For new designs and ongoing production, Active status parts such as MBRF20150CT or VF40150C-E3/4W are recommended.

Q: How do forward voltage (Vf) differences affect substitution?

A: Forward voltage differences between parts affect power dissipation and thermal performance in the application circuit. MBRF20150CT specifies 1.05V @ 20A, while VF40150C-E3/4W specifies 1.43V @ 20A. Higher forward voltage results in increased power loss. Circuit design must accommodate the forward voltage specification of the selected substitute part to ensure proper thermal management and system performance.

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