MBR2080CTG Equivalent & Substitute Parts

Part Overview

The MBR2080CTG is a Schottky diode array manufactured by onsemi, configured as 1 pair common cathode with 80 V reverse voltage rating and 10 A average rectified current per diode. The device is packaged in TO-220-3 through-hole configuration and operates across a junction temperature range of -65°C to 175°C. This part is classified as obsolete, making equivalent and substitute components necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	MBR2080CTG
Manufacturer	onsemi
Category	Diodes, Rectifiers
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	80 V
Current - Average Rectified (Io) (per Diode)	10 A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	100 µA @ 80 V
Operating Temperature - Junction	-65°C ~ 175°C
Mounting Type	Through Hole
Package / Case	TO-220-3
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MBR2080CTG is determined by the following critical parameters:

Primary Substitution Criteria:

Diode Configuration: 1 Pair Common Cathode (electrical interface requirement)
Package / Case: TO-220-3 (mechanical and thermal interface requirement)
Mounting Type: Through Hole (assembly compatibility)
Technology: Schottky or Super Barrier (fast recovery rectification)
Voltage - DC Reverse (Vr) (Max): Equal to or greater than 80 V
Current - Average Rectified (Io) (per Diode): Equal to or greater than 10 A
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
RoHS Status: ROHS3 Compliant (regulatory compliance)

Substitute parts are grouped into two categories based on current rating capability:

Category A - Direct Current Rating Match (10 A): Parts with 10 A or higher current ratings that maintain 80 V or higher voltage ratings, ensuring full functional equivalence with identical or improved electrical performance.

Category B - Reduced Current Rating (5 A or 8 A): Parts with lower current ratings but matching or exceeding voltage ratings. These substitutes are suitable for applications where the full 10 A current capacity is not required.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Speed	Ir @ Vr	Tj (Operating)	Package	Product Status
MBR2080CTG	onsemi	80 V	10 A	850 mV @ 10 A	Fast Recovery ≤ 500ns	100 µA @ 80 V	-65°C ~ 175°C	TO-220-3	Obsolete
MBR3080FCTE3/TU	Microchip Technology	80 V	15 A	800 mV @ 15 A	Fast Recovery ≤ 500ns	50 µA @ 80 V	-65°C ~ 175°C	TO-220-3	Active
MBR20100CT-BP	Micro Commercial Co	100 V	10 A	950 mV @ 20 A	Fast Recovery ≤ 500ns	150 µA @ 100 V	-55°C ~ 150°C	TO-220-3	Active
DSSK16-01A	IXYS	100 V	8 A	810 mV @ 8 A	Fast Recovery ≤ 500ns	300 µA @ 100 V	-55°C ~ 175°C	TO-220-3	Active
SBR10100CT	Diodes Incorporated	100 V	5 A	800 mV @ 5 A	Fast Recovery ≤ 500ns	100 µA @ 100 V	-65°C ~ 150°C	TO-220-3	Active
SBR10150CT	Diodes Incorporated	150 V	5 A	920 mV @ 5 A	Fast Recovery ≤ 500ns	250 µA @ 150 V	-65°C ~ 150°C	TO-220-3	Active
SBR1060CT	Diodes Incorporated	60 V	5 A	680 mV @ 5 A	Fast Recovery ≤ 500ns	500 µA @ 60 V	-65°C ~ 150°C	TO-220-3	Active
SBR10U100CT	Diodes Incorporated	100 V	5 A	670 mV @ 5 A	Fast Recovery ≤ 500ns	200 µA @ 100 V	-65°C ~ 175°C	TO-220-3	Active
SBR10U150CT	Diodes Incorporated	150 V	5 A	880 mV @ 10 A	Standard Recovery >500ns	200 µA @ 150 V	-65°C ~ 175°C	TO-220-3	Active
SBR10U200CT	Diodes Incorporated	200 V	5 A	820 mV @ 5 A	Fast Recovery ≤ 500ns	200 µA @ 200 V	-65°C ~ 175°C	TO-220-3	Active
SBR10U40CT	Diodes Incorporated	40 V	5 A	440 mV @ 5 A	Fast Recovery ≤ 500ns	500 µA @ 40 V	-65°C ~ 150°C	TO-220-3	Active

Engineering Selection Recommendations

Primary Substitute - Direct Replacement:

MBR3080FCTE3/TU (Microchip Technology) is the optimal substitute for the MBR2080CTG. This part maintains identical 80 V reverse voltage rating and TO-220-3 package configuration. The MBR3080FCTE3/TU provides 15 A current capacity, exceeding the original 10 A specification, with improved forward voltage characteristics (800 mV @ 15 A versus 850 mV @ 10 A) and lower reverse leakage current (50 µA @ 80 V versus 100 µA @ 80 V). The device maintains the full operating temperature range of -65°C to 175°C and is ROHS3 compliant. Product status is Active, ensuring long-term availability.

Secondary Substitutes - Voltage Upgrade Path:

MBR20100CT-BP (Micro Commercial Co) provides 100 V reverse voltage with 10 A current rating in TO-220-3 package. This part is suitable for applications where voltage margin improvement is beneficial. Operating temperature range is -55°C to 150°C, which is narrower than the original specification. Product status is Active.

DSSK16-01A (IXYS) offers 100 V reverse voltage with 8 A current rating. This part maintains fast recovery characteristics and is suitable for applications where 8 A current capacity is sufficient. Operating temperature range extends to 175°C at the upper limit. Product status is Active.

Reduced Current Rating Substitutes:

For applications where current requirements are 5 A or less, multiple active alternatives are available from Diodes Incorporated in the SBR® series:

SBR10U100CT: 100 V, 5 A, -65°C to 175°C operating range
SBR10100CT: 100 V, 5 A, -65°C to 150°C operating range
SBR10U150CT: 150 V, 5 A, -65°C to 175°C operating range
SBR10U200CT: 200 V, 5 A, -65°C to 175°C operating range

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. All are packaged in TO-220-3 configuration with through-hole mounting compatibility.

Frequently Asked Questions (FAQ)

Q: Can MBR3080FCTE3/TU be used as a direct replacement for MBR2080CTG?

A: Yes. Both parts share identical 80 V reverse voltage rating, 1 pair common cathode configuration, TO-220-3 package, and fast recovery Schottky technology. The MBR3080FCTE3/TU provides higher current capacity (15 A versus 10 A) and improved electrical characteristics. The primary difference is product status: MBR2080CTG is obsolete while MBR3080FCTE3/TU is active.

Q: What is the difference between Schottky and Super Barrier diode technologies in these substitutes?

A: Both technologies are fast recovery rectifiers suitable for the MBR2080CTG application. Schottky diodes (MBR series) and Super Barrier diodes (SBR series) both exhibit fast recovery characteristics (≤ 500ns, > 200mA). The primary distinction is manufacturer-specific implementation. Both technologies are electrically compatible for this application category.

Q: Are the SBR® series parts with 5 A rating suitable replacements if my application only requires 5 A?

A: Yes, provided your application current requirement does not exceed 5 A. The SBR10U100CT, SBR10100CT, SBR10U150CT, and SBR10U200CT all provide 5 A current capacity in TO-220-3 packages with fast recovery characteristics. Voltage rating selection should match or exceed your circuit requirements. These parts are active products with established supply chains.

Q: What is the significance of the operating temperature range difference between MBR2080CTG (-65°C to 175°C) and some substitutes?

A: The MBR2080CTG specifies -65°C to 175°C junction temperature range. Some substitutes such as MBR20100CT-BP operate to -55°C to 150°C. If your application requires operation at temperatures below -55°C or above 150°C, select substitutes with matching or wider temperature specifications. MBR3080FCTE3/TU and SBR10U100CT maintain the full -65°C to 175°C range.

Q: Can I use a 100 V rated part in place of the 80 V MBR2080CTG?

A: Yes. Higher voltage ratings provide additional design margin and are electrically compatible. Parts such as MBR20100CT-BP and DSSK16-01A with 100 V ratings will function correctly in circuits designed for 80 V operation. This substitution is appropriate when improved voltage margin is desired or when the higher voltage part offers better availability.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance, matching the regulatory status of the MBR2080CTG. All parts also maintain MSL 1 (Unlimited) moisture sensitivity level.

Q: What is the difference between TO-220-3 and TO-220AB package designations?

A: Both designations refer to the same physical TO-220-3 through-hole package configuration. TO-220AB is a supplier-specific package designation used by some manufacturers. The parts are mechanically and electrically interchangeable in TO-220-3 footprints.

Q: Which substitute offers the lowest forward voltage drop?

A: SBR10U100CT provides the lowest forward voltage at 670 mV @ 5 A. For 10 A operation, MBR3080FCTE3/TU offers 800 mV @ 15 A. Forward voltage selection depends on your specific current operating point and thermal design requirements.

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