MBR20100CT Equivalent & Substitute Parts

Part Overview

The MBR20100CT is a Schottky diode array manufactured by onsemi, configured as 1 pair common cathode with 100 V reverse voltage rating and 10 A average rectified current per diode. The device is housed in a TO-220-3 through-hole package and features fast recovery characteristics suitable for switching applications. The MBR20100CT is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and procurement needs.

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	850 mV @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature - Junction	-65°C ~ 150°C
Mounting Type	Through Hole
Package / Case	TO-220-3

Substitute Part Grouping Explanation

Substitute parts for the MBR20100CT are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Parameters (Must Match):

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 100 V
Mounting Type: Through Hole
Package / Case: TO-220-3

Secondary Parameters (Allow Variation Within Functional Limits):

Current - Average Rectified (Io) (per Diode): 10 A or higher
Voltage - Forward (Vf) (Max) @ If: Comparable to 850 mV @ 10 A
Operating Temperature - Junction: Must encompass or exceed -65°C ~ 150°C range
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Substitute parts are organized into two categories: direct equivalents (matching 10 A current rating) and higher-current alternatives (16 A, 30 A, and 40 A ratings) suitable for applications requiring increased current capacity within the same voltage and package specifications.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Temp Range	Package	Product Status	RoHS Status
MBR20100CT	onsemi	100 V	10 A	850 mV @ 10 A	-65°C ~ 150°C	TO-220-3	Obsolete	Non-compliant
FYP1010DNTU	onsemi	100 V	10 A	950 mV @ 10 A	-65°C ~ 150°C	TO-220-3	Obsolete	ROHS3 Compliant
DSA20C100PB	IXYS	100 V	10 A	900 mV @ 10 A	-55°C ~ 175°C	TO-220-3	Active	ROHS3 Compliant
MBR10100CT	Taiwan Semiconductor Corporation	100 V	10 A	950 mV @ 10 A	-55°C ~ 150°C	TO-220-3	Discontinued at DiGi Electronics	ROHS3 Compliant
MBR10100CT-BP	Micro Commercial Co	100 V	10 A	850 mV @ 5 A	-55°C ~ 150°C	TO-220-3	Active	ROHS3 Compliant
MBR20100CT-BP	Micro Commercial Co	100 V	10 A	950 mV @ 20 A	-55°C ~ 150°C	TO-220-3	Active	ROHS3 Compliant
MBR20100CT-E3/4W	Vishay General Semiconductor - Diodes Division	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-220-3	Active	ROHS3 Compliant
MBRP3010NTU	Fairchild Semiconductor	100 V	30 A	1.05 V @ 30 A	-65°C ~ 150°C	TO-220-3	Active	Not specified
DSA60C100PB	IXYS	100 V	30 A	950 mV @ 30 A	-55°C ~ 175°C	TO-220-3	Active	ROHS3 Compliant
MBR16100CT-BP	Micro Commercial Co	100 V	16 A	850 mV @ 8 A	-50°C ~ 150°C	TO-220-3	Active	Not specified
DSA80C100PB	IXYS	100 V	40 A	910 mV @ 40 A	-55°C ~ 175°C	TO-220-3	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (10 A Rating):

For applications requiring exact current rating match with the MBR20100CT, the following active parts provide direct substitution:

MBR20100CT-E3/4W (Vishay): Active product status with ROHS3 compliance. Forward voltage of 800 mV @ 10 A matches the original specification. Operating temperature range of -65°C ~ 150°C aligns with the MBR20100CT. Recommended for new designs requiring RoHS compliance.
DSA20C100PB (IXYS): Active product with ROHS3 compliance. Forward voltage of 900 mV @ 10 A is within acceptable range. Extended operating temperature range of -55°C ~ 175°C provides additional thermal margin. Suitable for applications with elevated ambient temperature requirements.
MBR10100CT-BP (Micro Commercial Co): Active product with ROHS3 compliance. Forward voltage of 850 mV @ 5 A specification indicates lower forward drop at reduced current levels. Operating temperature range of -55°C ~ 150°C is compatible with the original part.
MBR20100CT-BP (Micro Commercial Co): Active product with ROHS3 compliance. Forward voltage specification of 950 mV @ 20 A indicates performance at higher current levels. Operating temperature range of -55°C ~ 150°C is compatible.

Higher-Current Alternatives (16 A, 30 A, 40 A Ratings):

For applications where increased current capacity is required within the same voltage and package envelope:

MBR16100CT-BP (Micro Commercial Co): 16 A rating provides intermediate current capacity. Active product status. Forward voltage of 850 mV @ 8 A. Operating temperature range of -50°C ~ 150°C.
MBRP3010NTU (Fairchild Semiconductor): 30 A rating for high-current applications. Active product status. Forward voltage of 1.05 V @ 30 A. Operating temperature range of -65°C ~ 150°C matches the original part.
DSA60C100PB (IXYS): 30 A rating. Active product with ROHS3 compliance. Forward voltage of 950 mV @ 30 A. Extended operating temperature range of -55°C ~ 175°C.
DSA80C100PB (IXYS): 40 A rating for maximum current capacity. Active product with ROHS3 compliance. Forward voltage of 910 mV @ 40 A. Extended operating temperature range of -55°C ~ 175°C.

Obsolete Alternatives (Not Recommended for New Designs):

FYP1010DNTU (onsemi): Obsolete status. ROHS3 compliant. Forward voltage of 950 mV @ 10 A. Suitable only for legacy system maintenance.
MBR10100CT (Taiwan Semiconductor Corporation): Discontinued at DiGi Electronics. ROHS3 compliant. Forward voltage of 950 mV @ 10 A. Limited availability.

Frequently Asked Questions (FAQ)

Q: Can MBR20100CT-E3/4W be used as a direct replacement for MBR20100CT?

A: Yes. Both parts share identical electrical specifications: 100 V reverse voltage, 10 A average rectified current per diode, 1 Pair Common Cathode configuration, and TO-220-3 package. The MBR20100CT-E3/4W is an active product with ROHS3 compliance, making it suitable for new designs and legacy system replacements.

Q: What is the difference between 10 A and 30 A rated parts in the TO-220-3 package?

A: The current rating reflects the maximum average rectified current per diode that the device can handle continuously. A 30 A part (such as MBRP3010NTU or DSA60C100PB) can safely conduct higher sustained currents than a 10 A part. All other electrical parameters—reverse voltage, forward voltage characteristics, and temperature range—remain comparable. Selection depends on the application's current requirements.

Q: Are all substitute parts RoHS compliant?

A: No. The original MBR20100CT is RoHS non-compliant. Most active substitute parts (MBR20100CT-E3/4W, DSA20C100PB, MBR10100CT-BP, MBR20100CT-BP, DSA60C100PB, DSA80C100PB) are ROHS3 compliant. MBRP3010NTU and MBR16100CT-BP do not specify RoHS status in the provided data. Verify compliance requirements for your application before selection.

Q: Can a higher-current rated part be used in place of the 10 A MBR20100CT?

A: Yes, provided the application circuit design accommodates the substitution. A 30 A or 40 A rated part operates within the same voltage and temperature specifications and maintains the same package footprint. However, forward voltage characteristics vary with current rating. Verify that the forward voltage at your application's operating current is acceptable. Higher-current parts typically exhibit slightly different thermal characteristics and may require thermal management evaluation.

Q: What is the significance of forward voltage (Vf) variation among substitute parts?

A: Forward voltage determines the voltage drop across the diode during conduction. The MBR20100CT specifies 850 mV @ 10 A. Substitute parts range from 800 mV to 1.05 V depending on manufacturer and current rating. In power supply and rectification circuits, this variation affects efficiency and heat dissipation. Select a part with forward voltage characteristics compatible with your circuit's voltage budget and thermal design.

Q: Are TO-220-3 and TO-220AB packages interchangeable?

A: Yes. TO-220-3 and TO-220AB refer to the same physical package with three leads. The designations are manufacturer-specific nomenclature for the identical through-hole package. All parts listed in this reference use compatible TO-220-3 packaging and are mechanically interchangeable on standard PCB layouts.

Q: What is the operating temperature range significance?

A: The MBR20100CT specifies -65°C ~ 150°C junction temperature range. Most substitute parts specify -55°C ~ 150°C or -55°C ~ 175°C. The lower limit (-65°C vs. -55°C) is relevant for applications in extreme cold environments. The upper limit (150°C vs. 175°C) affects thermal margin in high-temperature applications. Select a part whose temperature range meets or exceeds your application's requirements.

Q: Which substitute part is recommended for new product designs?

A: MBR20100CT-E3/4W (Vishay) is recommended for new designs. It is an active product with ROHS3 compliance, matching the original MBR20100CT electrical specifications exactly (100 V, 10 A, 850 mV @ 10 A forward voltage, -65°C ~ 150°C operating range). Vishay's TMBS® series designation indicates proven reliability in switching applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message