MBRF15150CT Equivalent & Substitute Parts

Part Overview

The MBRF15150CT is a Schottky diode array manufactured by Taiwan Semiconductor Corporation, configured as 1 pair common cathode with 150V reverse voltage rating and 15A average rectified current per diode. The device is packaged in TO-220-3 Full Pack with isolated tab and is designed for through-hole mounting applications. This part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility for ongoing production and repair applications.

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)	15A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 7.5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (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 Full Pack, Isolated Tab
Supplier Device Package	ITO-220AB
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MBRF15150CT is determined by strict equivalence across the following critical parameters: diode configuration (1 pair common cathode), technology (Schottky), reverse voltage rating (150V), package type (TO-220-3 Full Pack, Isolated Tab), mounting method (through hole), and operating temperature range (-55°C ~ 150°C). Current rating serves as the primary differentiator among available substitutes, with parts rated at 15A providing direct parametric equivalence, while parts rated at 5A, 10A, or 20A represent functional alternatives for applications with different current requirements. Forward voltage characteristics and reverse leakage current vary among manufacturers but remain within acceptable ranges for Schottky diode technology. All substitute parts maintain ROHS3 compliance and MSL 1 rating.

Parameter Comparison

Part Number	Manufacturer	Io (per Diode)	Vr (Max)	Vf (Max) @ If	Ir @ Vr	Product Status	Package
MBRF15150CT	Taiwan Semiconductor Corporation	15A	150 V	950 mV @ 7.5 A	100 µA @ 150 V	Discontinued	TO-220-3 Full Pack, Isolated Tab
MBRF15150CTHC0G	Taiwan Semiconductor Corporation	15A	150 V	950 mV @ 7.5 A	100 µA @ 150 V	Active	TO-220-3 Full Pack, Isolated Tab
VF10150C-E3/4W	Vishay General Semiconductor - Diodes Division	5A	150 V	1.41 V @ 5 A	100 µA @ 150 V	Active	TO-220-3 Full Pack, Isolated Tab
VF20150C-E3/4W	Vishay General Semiconductor - Diodes Division	10A	150 V	1.2 V @ 10 A	150 µA @ 150 V	Active	TO-220-3 Full Pack, Isolated Tab
VF20150C-M3/4W	Vishay General Semiconductor - Diodes Division	10A	150 V	1.2 V @ 10 A	150 µA @ 150 V	Active	TO-220-3 Full Pack, Isolated Tab
VF30150C-E3/4W	Vishay General Semiconductor - Diodes Division	15A	150 V	1.36 V @ 15 A	200 µA @ 150 V	Active	TO-220-3 Full Pack, Isolated Tab
VF40150C-E3/4W	Vishay General Semiconductor - Diodes Division	20A	150 V	1.43 V @ 20 A	250 µA @ 150 V	Active	TO-220-3 Full Pack, Isolated Tab
VF40150C-M3/4W	Vishay General Semiconductor - Diodes Division	20A	150 V	1.43 V @ 20 A	250 µA @ 150 V	Active	TO-220-3 Full Pack, Isolated Tab

Engineering Selection Recommendations

Direct Parametric Equivalent: MBRF15150CTHC0G from Taiwan Semiconductor Corporation provides identical electrical specifications to the MBRF15150CT with 15A current rating and 150V reverse voltage. This part is currently active in production and maintains the same forward voltage characteristics (950 mV @ 7.5 A) and reverse leakage current (100 µA @ 150 V). The MBRF15150CTHC0G includes AEC-Q101 automotive qualification, providing enhanced reliability documentation for applications requiring automotive-grade components.

Vishay TMBS® Series Alternatives: The Vishay General Semiconductor VF-series diode arrays provide active production alternatives across multiple current ratings. VF30150C-E3/4W matches the 15A current requirement of the original part while maintaining 150V reverse voltage rating and TO-220-3 package compatibility. VF20150C-E3/4W and VF20150C-M3/4W offer 10A current rating for applications with reduced current requirements. VF40150C-E3/4W and VF40150C-M3/4W provide 20A rating for higher current applications. All Vishay alternatives are ROHS3 compliant and maintain MSL 1 rating.

Current Rating Considerations: Selection between substitute parts depends on application current requirements. Parts rated below 15A (VF10150C-E3/4W at 5A, VF20150C series at 10A) are suitable only for applications with correspondingly lower current demands. Parts rated above 15A (VF40150C series at 20A) provide additional current capacity and are suitable for applications requiring higher current handling. Forward voltage increases with current rating across the Vishay series, ranging from 1.41 V @ 5A to 1.43 V @ 20A.

Frequently Asked Questions (FAQ)

Q: Can MBRF15150CTHC0G be used as a direct replacement for MBRF15150CT?

A: Yes. MBRF15150CTHC0G provides identical electrical specifications including 15A current rating, 150V reverse voltage, 950 mV forward voltage @ 7.5 A, and 100 µA reverse leakage @ 150 V. Both parts use the same TO-220-3 Full Pack, Isolated Tab package. The primary difference is product status: MBRF15150CTHC0G is active in production while MBRF15150CT is discontinued.

Q: What is the difference between VF20150C-E3/4W and VF20150C-M3/4W?

A: Both parts share identical electrical specifications with 10A current rating, 150V reverse voltage, 1.2 V forward voltage @ 10 A, and 150 µA reverse leakage @ 150 V. The designation suffix (-E3/4W versus -M3/4W) indicates packaging or manufacturing variation. Both are active production parts in the Vishay TMBS® series with equivalent performance characteristics.

Q: Can VF30150C-E3/4W replace MBRF15150CT in all applications?

A: VF30150C-E3/4W provides equivalent 15A current rating and 150V reverse voltage in the same TO-220-3 package. However, forward voltage differs: VF30150C-E3/4W is rated at 1.36 V @ 15 A compared to MBRF15150CT at 950 mV @ 7.5 A. Reverse leakage current is higher at 200 µA @ 150 V versus 100 µA @ 150 V. These differences are within normal Schottky diode manufacturing variation and do not prevent functional substitution in standard rectification applications.

Q: What current rating should be selected for a lower-current application?

A: VF10150C-E3/4W (5A) and VF20150C series (10A) are suitable for applications with correspondingly lower current requirements. Selection depends on the maximum continuous current in the specific application circuit. Oversizing current rating provides design margin but increases forward voltage drop and reverse leakage current. Undersizing current rating risks component thermal stress and failure.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. MBRF15150CTHC0G and all Vishay VF-series alternatives listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. All parts are suitable for applications requiring environmental compliance documentation.

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

A: The TO-220-3 Full Pack, Isolated Tab configuration provides three leads with electrical isolation between the tab and the leads, enabling direct mounting to heat sinks without electrical isolation hardware. All substitute parts maintain this package specification, ensuring mechanical and thermal compatibility with existing PCB layouts and thermal management designs.

Q: Can higher-rated parts (VF40150C series at 20A) be used in place of 15A-rated parts?

A: VF40150C-E3/4W and VF40150C-M3/4W provide 20A current rating with identical 150V reverse voltage and TO-220-3 package. These parts are suitable for applications where the original 15A rating provides insufficient margin. Forward voltage is higher at 1.43 V @ 20 A, and reverse leakage is higher at 250 µA @ 150 V. Thermal management and circuit design must account for increased power dissipation.

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