MBRB20100CT Equivalent & Substitute Parts

Part Overview

The MBRB20100CT is a Schottky diode array in a 1 Pair Common Cathode configuration rated for 100 V DC reverse voltage and 10 A average rectified current per diode. Manufactured by Vishay General Semiconductor - Diodes Division, this component is housed in a TO-263-3 D2PAK surface mount package. The original part is classified as Obsolete, necessitating identification of active 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)	100 V
Current - Average Rectified (Io) (per Diode)	10 A
Voltage - Forward (Vf) (Max) @ If	800 mV @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	100 µA @ 100 V
Operating Temperature - Junction	-65°C ~ 150°C
Mounting Type	Surface Mount
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MBRB20100CT is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 100 V
Current - Average Rectified (Io) (per Diode): 10 A
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr: 100 µA @ 100 V

Mechanical Equivalence Criteria:

Mounting Type: Surface Mount
Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Compliance Considerations:

RoHS Status: ROHS3 Compliant (preferred for new designs)
Product Status: Active (preferred for ongoing availability)

Substitute parts are grouped into three categories: Parametric Equivalents (identical electrical and mechanical specifications from Vishay), Direct Manufacturer Equivalents (from alternative manufacturers with matching specifications), and Manufacturer Recommended Alternatives (functionally compatible with noted parameter variations).

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Tj (Operating)	Package	Product Status	RoHS Status
MBRB20100CT	Vishay	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-263-3	Obsolete	Non-compliant
MBRB20100CT-E3/4W	Vishay	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-263-3	Active	ROHS3 Compliant
MBRB20100CT-M3/4W	Vishay	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-263-3	Active	ROHS3 Compliant
VS-MBRB20100CT-M3	Vishay	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-263-3	Active	ROHS3 Compliant
VS-MBRB20100CTL-M3	Vishay	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-263-3	Active	ROHS3 Compliant
VS-MBRB20100CTLHM3	Vishay	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-263-3	Active	ROHS3 Compliant
VS-MBRB20100CTR-M3	Vishay	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-263-3	Active	ROHS3 Compliant
VS-MBRB20100CTRHM3	Vishay	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-263-3	Active	ROHS3 Compliant
MBRB20100CTT4G	onsemi	100 V	10 A	850 mV @ 10 A	-65°C ~ 175°C	TO-263-3	Active	ROHS3 Compliant
MBRB20100CT	Diodes Incorporated	100 V	10 A	840 mV @ 10 A	-55°C ~ 175°C	TO-263-3	Active	ROHS3 Compliant
MBRB10100CT-13	Diodes Incorporated	100 V	5 A	840 mV @ 5 A	-55°C ~ 175°C	TO-263-3	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Vishay TMBS® Series - Parametric Equivalents):

The Vishay parts MBRB20100CT-E3/4W, MBRB20100CT-M3/4W, VS-MBRB20100CT-M3, VS-MBRB20100CTL-M3, VS-MBRB20100CTLHM3, VS-MBRB20100CTR-M3, and VS-MBRB20100CTRHM3 are direct parametric equivalents to the obsolete MBRB20100CT. All maintain identical electrical specifications (100 V, 10 A, 800 mV forward voltage) and mechanical compatibility in the TO-263-3 D2PAK package. These parts are Active in product status and ROHS3 Compliant, making them suitable for new designs and production continuity. The variants differ only in packaging format (Tube, Tape & Reel, Cut Tape) and automotive qualification levels (AEC-Q101 for VS-prefixed variants).

Secondary Substitute (onsemi SWITCHMODE™ Series):

The MBRB20100CTT4G from onsemi is electrically compatible with a forward voltage specification of 850 mV @ 10 A (50 mV higher than the original) and an extended operating temperature range of -65°C to 175°C. This part is Active and ROHS3 Compliant. The slightly elevated forward voltage and extended upper temperature rating are within acceptable tolerance for most applications requiring 100 V, 10 A Schottky diode arrays in D2PAK packages.

Manufacturer Recommended Alternative (Diodes Incorporated):

The MBRB20100CT from Diodes Incorporated is an Active, ROHS3 Compliant alternative with identical electrical ratings (100 V, 10 A) and forward voltage of 840 mV @ 10 A. This part features an extended operating temperature range of -55°C to 175°C and carries AEC-Q101 automotive qualification. It is functionally equivalent for applications requiring 10 A rectified current.

Lower Current Alternative (Diodes Incorporated):

The MBRB10100CT-13 is a 5 A rated variant from Diodes Incorporated. This part is suitable only for applications where the maximum rectified current requirement does not exceed 5 A per diode. It maintains the 100 V reverse voltage rating, TO-263-3 package compatibility, and AEC-Q101 automotive qualification. Forward voltage is specified at 840 mV @ 5 A.

Frequently Asked Questions (FAQ)

Q: Can MBRB20100CT-E3/4W be used as a direct replacement for the obsolete MBRB20100CT?

A: Yes. The MBRB20100CT-E3/4W is a parametric equivalent with identical electrical specifications (100 V, 10 A, 800 mV forward voltage) and mechanical compatibility in the TO-263-3 D2PAK package. The primary difference is product status (Active vs. Obsolete) and RoHS compliance (ROHS3 Compliant vs. Non-compliant). Packaging is supplied in Tube format.

Q: What is the difference between VS-MBRB20100CT-M3 and MBRB20100CT-E3/4W?

A: Both parts are parametric equivalents with identical electrical and mechanical specifications. The VS-prefixed variant includes AEC-Q101 automotive qualification and is supplied in Tube packaging. The MBRB20100CT-E3/4W is also supplied in Tube format. Selection between these parts depends on automotive qualification requirements for the application.

Q: Is the onsemi MBRB20100CTT4G a suitable replacement?

A: The MBRB20100CTT4G is compatible for most applications. It maintains the 100 V reverse voltage and 10 A current ratings with a forward voltage of 850 mV @ 10 A (50 mV higher than the original specification). The extended operating temperature range (-65°C to 175°C) provides additional thermal margin. Compatibility depends on whether the application can tolerate the higher forward voltage drop.

Q: Can the MBRB10100CT-13 be used instead of MBRB20100CT?

A: The MBRB10100CT-13 is suitable only for applications where the maximum rectified current requirement does not exceed 5 A per diode. This part has a lower current rating (5 A vs. 10 A) and is not a direct replacement for designs requiring the full 10 A capability. It maintains the 100 V reverse voltage rating and TO-263-3 package compatibility.

Q: What packaging options are available for Vishay equivalents?

A: Vishay offers multiple packaging formats for the MBRB20100 series: Tube (MBRB20100CT-E3/4W, MBRB20100CT-M3/4W, VS-MBRB20100CT-M3, VS-MBRB20100CTLHM3), Tape & Reel (VS-MBRB20100CTL-M3, VS-MBRB20100CTR-M3, VS-MBRB20100CTRHM3), and Cut Tape & Digi-Reel® (onsemi MBRB20100CTT4G). Selection depends on production volume and assembly process requirements.

Q: Are all substitute parts RoHS3 Compliant?

A: Yes. All Active substitute parts listed are ROHS3 Compliant. The original MBRB20100CT is RoHS non-compliant. For new designs and production applications subject to RoHS regulations, any of the Active equivalents are suitable replacements.

Q: Do the Vishay VS-prefixed parts have automotive qualification?

A: Yes. All Vishay parts with the VS prefix (VS-MBRB20100CT-M3, VS-MBRB20100CTL-M3, VS-MBRB20100CTLHM3, VS-MBRB20100CTR-M3, VS-MBRB20100CTRHM3) carry AEC-Q101 automotive qualification. The Diodes Incorporated MBRB20100CT and MBRB10100CT-13 also carry AEC-Q101 qualification. The onsemi MBRB20100CTT4G does not list automotive qualification in the provided specifications.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) & Digi-Reel® packaging is supplied in individual cut lengths suitable for manual assembly or small-volume pick-and-place operations. Tape & Reel (TR) packaging is supplied on continuous reels for high-volume automated assembly. Both formats maintain the same electrical and mechanical specifications; selection depends on production volume and assembly equipment compatibility.

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