MBRF20H150CT Equivalent & Substitute Parts

Part Overview

The MBRF20H150CT is a Schottky diode array manufactured by Taiwan Semiconductor Corporation, configured as a 1 Pair Common Cathode design with a maximum reverse voltage rating of 150 V and average rectified current of 20 A per diode. The device is packaged in a TO-220-3 Full Pack with isolated tab configuration and is classified as Active product status with RoHS3 compliance.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative manufacturers' products offer identical electrical and mechanical specifications, or when design flexibility permits selection from multiple qualified sources meeting the same performance 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	970 mV @ 20 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	5	µA @ 150 V
Operating Temperature - Junction	-55 to 175	°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 MBRF20H150CT is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 150 V
Current - Average Rectified (Io) (per Diode): 20 A
Mounting Type: Through Hole
Package / Case: TO-220-3 Full Pack, Isolated Tab
Supplier Device Package: ITO-220AB

Secondary Compatibility Parameters:

Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Parts are grouped into the following categories:

Direct Equivalents: Parts meeting all primary substitution criteria with identical electrical performance specifications.

Similar Parts - Current Derating: Parts with identical voltage and package specifications but reduced current ratings (10 A, 15 A, or 5 A). These parts are suitable only when circuit design permits operation at lower current levels.

Obsolete Parts: Parts with matching specifications but discontinued product status. These parts are listed for reference only and are not recommended for new designs.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Ir @ Vr	Tj (Operating)	Package	Product Status
MBRF20H150CT	Taiwan Semiconductor Corporation	150 V	20 A	970 mV @ 20 A	5 µA @ 150 V	-55 to 175°C	ITO-220AB	Active
MBRF20150CT	Taiwan Semiconductor Corporation	150 V	20 A	1.05 V @ 20 A	100 µA @ 150 V	-55 to 150°C	ITO-220AB	Active
MBRF20150CTL	Diodes Incorporated	150 V	20 A	—	—	—	ITO-220AB	Obsolete
MBRF20H150CTG	onsemi	150 V	10 A	680 mV @ 10 A	50 µA @ 150 V	-20 to 150°C	TO-220FP	Last Time Buy
VF10150C-E3/4W	Vishay General Semiconductor - Diodes Division	150 V	5 A	1.41 V @ 5 A	100 µA @ 150 V	-55 to 150°C	ITO-220AB	Active
VF20150C-E3/4W	Vishay General Semiconductor - Diodes Division	150 V	10 A	1.2 V @ 10 A	150 µA @ 150 V	-55 to 150°C	ITO-220AB	Active
VF20150C-M3/4W	Vishay General Semiconductor - Diodes Division	150 V	10 A	1.2 V @ 10 A	150 µA @ 150 V	-55 to 150°C	ITO-220AB	Active
VF30150C-E3/4W	Vishay General Semiconductor - Diodes Division	150 V	15 A	1.36 V @ 15 A	200 µA @ 150 V	-55 to 150°C	ITO-220AB	Active
VF40150C-E3/4W	Vishay General Semiconductor - Diodes Division	150 V	20 A	1.43 V @ 20 A	250 µA @ 150 V	-55 to 150°C	ITO-220AB	Active
VF40150C-M3/4W	Vishay General Semiconductor - Diodes Division	150 V	20 A	1.43 V @ 20 A	250 µA @ 150 V	-55 to 150°C	ITO-220AB	Active

Engineering Selection Recommendations

Direct Substitution (Identical Specifications):

MBRF20150CT (Taiwan Semiconductor Corporation) is a direct equivalent to MBRF20H150CT. Both parts share identical voltage and current ratings, Schottky technology, 1 Pair Common Cathode configuration, and ITO-220AB package. Both are RoHS3 compliant with MSL 1 (Unlimited). The MBRF20150CT is currently Active with higher inventory availability (30,600 pcs) compared to the primary part (1,946 pcs). Forward voltage specification differs slightly (1.05 V versus 970 mV at 20 A), and reverse leakage current is higher (100 µA versus 5 µA at 150 V). Operating temperature range is reduced to -55 to 150°C versus -55 to 175°C.

Vishay TMBS® Series - Full Current Rating (20 A):

VF40150C-E3/4W and VF40150C-M3/4W (Vishay General Semiconductor - Diodes Division) are Active products rated for 20 A per diode at 150 V reverse voltage with ITO-220AB package configuration. Both parts are RoHS3 compliant with MSL 1 (Unlimited). Forward voltage is specified at 1.43 V @ 20 A, higher than the primary part. Reverse leakage current is 250 µA @ 150 V. Operating temperature range is -55 to 150°C. These parts are suitable for direct substitution in applications where the higher forward voltage drop is acceptable.

Vishay TMBS® Series - Reduced Current Ratings:

VF20150C-E3/4W and VF20150C-M3/4W are rated for 10 A per diode. VF30150C-E3/4W is rated for 15 A per diode. VF10150C-E3/4W is rated for 5 A per diode. All are Active products with 150 V reverse voltage rating, ITO-220AB package, RoHS3 compliance, and MSL 1 (Unlimited). These parts are suitable only when circuit design permits operation at the specified reduced current levels.

Obsolete and Last Time Buy Status:

MBRF20150CTL (Diodes Incorporated) is classified as Obsolete and is not recommended for new designs. MBRF20H150CTG (onsemi) is classified as Last Time Buy with reduced current rating (10 A) and narrower operating temperature range (-20 to 150°C). This part is not suitable as a direct replacement.

Compliance and Regulatory Status:

All recommended substitute parts maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, consistent with the primary part. REACH status is Unaffected for all active products. ECCN classification is EAR99 for all parts listed.

Frequently Asked Questions (FAQ)

Q: Can MBRF20150CT be used as a direct replacement for MBRF20H150CT?

A: MBRF20150CT meets the primary electrical and mechanical substitution criteria: 150 V reverse voltage, 20 A average rectified current per diode, Schottky technology, 1 Pair Common Cathode configuration, and ITO-220AB package. Both are RoHS3 compliant and Active products. Forward voltage and reverse leakage current specifications differ slightly, and the operating temperature range is reduced to -55 to 150°C. Substitution is valid when these parameter variations are acceptable to the circuit design.

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

A: Both parts are identical in electrical specifications: 150 V reverse voltage, 20 A average rectified current per diode, 1.43 V forward voltage @ 20 A, ITO-220AB package, and -55 to 150°C operating temperature range. Both are Active products with RoHS3 compliance and MSL 1 (Unlimited). The designation suffix (-E3/4W versus -M3/4W) indicates different manufacturing or packaging variants from Vishay. Electrical performance is equivalent.

Q: Can VF20150C-E3/4W replace MBRF20H150CT?

A: VF20150C-E3/4W is rated for 10 A average rectified current per diode, not 20 A. This part is suitable only when the circuit design permits operation at 10 A or lower. The 150 V reverse voltage rating, Schottky technology, 1 Pair Common Cathode configuration, and ITO-220AB package are compatible. Forward voltage is 1.2 V @ 10 A. Substitution requires circuit design verification to confirm that the reduced current rating is acceptable.

Q: Why is MBRF20H150CTG listed as Last Time Buy?

A: MBRF20H150CTG (onsemi) is classified as Last Time Buy, indicating that the manufacturer has announced discontinuation. Additionally, this part is rated for 10 A average rectified current per diode, not 20 A, and has a narrower operating temperature range (-20 to 150°C versus -55 to 175°C). This part is not recommended as a substitute for new designs.

Q: Are all substitute parts available in the same package configuration?

A: All recommended substitute parts use either ITO-220AB or TO-220FP package configurations, which are mechanically compatible TO-220-3 Full Pack designs. ITO-220AB includes an isolated tab feature. TO-220FP does not include isolated tab isolation. Verify mechanical fit and thermal interface requirements for your specific application.

Q: What is the significance of the forward voltage difference between MBRF20H150CT (970 mV) and MBRF20150CT (1.05 V)?

A: Forward voltage drop directly affects power dissipation and thermal performance in the circuit. The MBRF20H150CT specification of 970 mV @ 20 A is lower than MBRF20150CT at 1.05 V @ 20 A. This 80 mV difference results in approximately 1.6 W additional power dissipation at 20 A continuous current. Circuit thermal design must account for this difference when substituting parts.

Q: Can I use VF30150C-E3/4W (15 A rated) as a substitute for MBRF20H150CT (20 A rated)?

A: VF30150C-E3/4W is rated for 15 A average rectified current per diode, which is below the 20 A rating of MBRF20H150CT. This part is suitable only when the circuit design operates at 15 A or lower. The 150 V reverse voltage rating, Schottky technology, 1 Pair Common Cathode configuration, and ITO-220AB package are compatible. Substitution requires verification that the circuit does not exceed 15 A operation.

Q: What is the difference between MBRF20150CTL and other substitute parts?

A: MBRF20150CTL (Diodes Incorporated) is classified as Obsolete product status. This part is not recommended for new designs or as a substitute. Obsolete parts have been discontinued by the manufacturer and may have limited availability and no ongoing technical support.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed in this reference are RoHS3 compliant. Compliance status is consistent across Taiwan Semiconductor Corporation, Vishay General Semiconductor - Diodes Division, onsemi, and Diodes Incorporated products. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all active products, indicating no special moisture handling requirements.

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