VS-MBRB20100CTPBF Equivalent & Substitute Parts

Part Overview

The VS-MBRB20100CTPBF is a Schottky diode array manufactured by Vishay General Semiconductor - Diodes Division, configured as 1 pair common cathode with 100 V reverse voltage rating and 10 A average rectified current per diode. The device is packaged in TO-263-3 (D2PAK) surface mount configuration and operates across a junction temperature range of -65°C to 150°C. 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	Unit
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 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the VS-MBRB20100CTPBF is determined by strict equivalence across the following critical parameters:

Mandatory 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
Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Allowable Parameter Variations:

Voltage - Forward (Vf) (Max) @ If: 800 mV to 850 mV @ 10 A
Current - Reverse Leakage @ Vr: 4.5 µA to 100 µA @ 100 V
Operating Temperature - Junction: -65°C to -55°C (minimum), 150°C to 175°C (maximum)
Packaging Format: Tube, Cut Tape (CT) & Digi-Reel®, or Tape & Reel (TR)
Product Status: Active or Discontinued
Grade and Qualification: Standard or Automotive (AEC-Q101)

Substitute parts are grouped into two categories: Vishay direct equivalents and manufacturer-recommended alternatives from Diodes Incorporated and onsemi.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io (per Diode) [A]	Vf (Max) @ If [mV @ A]	Ir @ Vr [µA @ V]	Tj (Min-Max) [°C]	Package	Status	Grade
VS-MBRB20100CTPBF	Vishay	100	10	800 @ 10	100 @ 100	-65 to 150	TO-263AB	Discontinued	Standard
VS-MBRB20100CT-M3	Vishay	100	10	800 @ 10	100 @ 100	-65 to 150	TO-263AB	Active	Automotive
MBRB20100CT-E3/4W	Vishay	100	10	800 @ 10	100 @ 100	-65 to 150	TO-263AB	Active	Standard
MBRB20100CT-M3/4W	Vishay	100	10	800 @ 10	100 @ 100	-65 to 150	TO-263AB	Active	Standard
VS-MBRB20100CTL-M3	Vishay	100	10	800 @ 10	100 @ 100	-65 to 150	TO-263AB	Active	Automotive
VS-MBRB20100CTLHM3	Vishay	100	10	800 @ 10	100 @ 100	-65 to 150	TO-263AB	Active	Automotive
VS-MBRB20100CTR-M3	Vishay	100	10	800 @ 10	100 @ 100	-65 to 150	TO-263AB	Active	Automotive
VS-MBRB20100CTRHM3	Vishay	100	10	800 @ 10	100 @ 100	-65 to 150	TO-263AB	Active	Automotive
MBRB20100CT	Diodes Incorporated	100	10	840 @ 10	100 @ 100	-55 to 175	TO-263AB	Active	Automotive
MBRB20100CTT4G	onsemi	100	10	850 @ 10	100 @ 100	-65 to 175	TO-263AB	Active	Standard
MBRB20H100CTT4G	onsemi	100	10	770 @ 10	4.5 @ 100	-65 to 175	TO-263AB	Active	Standard

Engineering Selection Recommendations

Primary Substitutes (Vishay Direct Equivalents):

The Vishay parts VS-MBRB20100CT-M3, MBRB20100CT-E3/4W, MBRB20100CT-M3/4W, VS-MBRB20100CTL-M3, VS-MBRB20100CTLHM3, VS-MBRB20100CTR-M3, and VS-MBRB20100CTRHM3 are direct parametric equivalents to the discontinued VS-MBRB20100CTPBF. All maintain identical electrical specifications across reverse voltage, forward voltage, current ratings, and reverse leakage. These parts differ only in packaging format (Tube, Cut Tape & Digi-Reel, or Tape & Reel) and grade designation (Standard or Automotive with AEC-Q101 qualification). Selection among these variants depends on procurement requirements and supply chain availability. All are ROHS3 compliant with MSL 1 rating.

Secondary Substitutes (Manufacturer-Recommended Alternatives):

MBRB20100CT (Diodes Incorporated) and MBRB20100CTT4G (onsemi) are manufacturer-recommended alternatives that maintain the same reverse voltage, current rating, and package configuration. These parts exhibit allowable variations in forward voltage (840 mV and 850 mV respectively, compared to 800 mV nominal) and operating temperature range extensions. MBRB20100CT extends the maximum junction temperature to 175°C and minimum to -55°C. MBRB20100CTT4G maintains the -65°C minimum while extending maximum to 175°C. Both are AEC-Q101 qualified and ROHS3 compliant.

Enhanced Performance Alternative:

MBRB20H100CTT4G (onsemi) offers superior reverse leakage characteristics (4.5 µA @ 100 V versus 100 µA) and lower forward voltage (770 mV @ 10 A), providing enhanced efficiency in switching applications. This part maintains all other electrical and mechanical specifications and is suitable for applications where leakage current minimization is critical.

Selection Basis:

For direct replacement with identical specifications: Select any Vishay equivalent based on packaging format availability.
For extended temperature range applications: Select MBRB20100CT or MBRB20100CTT4G.
For low-leakage applications: Select MBRB20H100CTT4G.
For automotive-grade requirements: Select Vishay automotive-qualified variants (VS-MBRB20100CT-M3, VS-MBRB20100CTL-M3, VS-MBRB20100CTLHM3, VS-MBRB20100CTR-M3, VS-MBRB20100CTRHM3) or Diodes Incorporated MBRB20100CT.

Frequently Asked Questions (FAQ)

Q: Can VS-MBRB20100CT-M3 be used as a direct replacement for VS-MBRB20100CTPBF?

A: Yes. VS-MBRB20100CT-M3 is a direct parametric equivalent with identical reverse voltage (100 V), forward voltage (800 mV @ 10 A), current rating (10 A), reverse leakage (100 µA @ 100 V), and operating temperature range (-65°C to 150°C). The primary difference is packaging format (Tube versus the original format) and active product status. Both are ROHS3 compliant with MSL 1 rating.

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

A: Both parts are Vishay equivalents with identical electrical specifications. MBRB20100CT-E3/4W is designated as standard grade, while MBRB20100CT-M3/4W carries automotive qualification. The suffix designations indicate packaging and tape configuration variants. Selection depends on application requirements and supply availability.

Q: Why does MBRB20100CT from Diodes Incorporated show a higher forward voltage (840 mV) compared to the original part (800 mV)?

A: Forward voltage variation of 40 mV falls within the allowable tolerance range for Schottky diodes and does not affect functional compatibility. This variation reflects manufacturing process differences between manufacturers. The part remains suitable for applications where the original 800 mV specification was used, as the 840 mV maximum is within typical design margins.

Q: Is MBRB20H100CTT4G compatible with the original VS-MBRB20100CTPBF application?

A: MBRB20H100CTT4G is electrically compatible with identical reverse voltage (100 V), current rating (10 A), and package configuration. The "H" designation indicates enhanced performance with significantly lower reverse leakage (4.5 µA versus 100 µA) and lower forward voltage (770 mV versus 800 mV). This part is suitable for direct replacement and offers improved efficiency characteristics.

Q: What packaging formats are available for Vishay equivalents?

A: Vishay equivalents are available in three packaging formats: Tube (standard reel packaging), Cut Tape (CT) & Digi-Reel® (for automated pick-and-place systems), and Tape & Reel (TR) (for high-volume production). Selection depends on assembly process requirements and procurement volume. All formats maintain identical electrical specifications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed—including Vishay, Diodes Incorporated, and onsemi variants—are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited). All are suitable for applications requiring RoHS compliance.

Q: What is the significance of AEC-Q101 qualification on automotive-grade variants?

A: AEC-Q101 qualification indicates the part meets automotive industry reliability and quality standards established by the Automotive Electronics Council. Automotive-grade variants (VS-MBRB20100CT-M3, VS-MBRB20100CTL-M3, VS-MBRB20100CTLHM3, VS-MBRB20100CTR-M3, VS-MBRB20100CTRHM3, and Diodes Incorporated MBRB20100CT) are suitable for automotive applications requiring this certification. Standard-grade variants are suitable for industrial and consumer applications.

Q: Can the operating temperature range difference between parts affect substitution?

A: Operating temperature range differences are allowable variations. The original part operates -65°C to 150°C. Alternatives extending to 175°C maximum (MBRB20100CT, MBRB20100CTT4G, MBRB20H100CTT4G) provide extended thermal capability and are suitable for replacement. Parts with reduced minimum temperature (-55°C for MBRB20100CT) are suitable for applications not requiring the full -65°C minimum specification.

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