MBR2035CT Equivalent & Substitute Parts

Part Overview

The MBR2035CT is a Schottky diode array in a 1 Pair Common Cathode configuration rated for 35 V DC reverse voltage and 20 A average rectified current per diode. Manufactured by Diodes Incorporated, this component is packaged in TO-220-3 through-hole format with fast recovery characteristics (≤500 ns). The product status is listed as Obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and procurement needs.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	35 V
Current - Average Rectified (Io) (per Diode)	20 A
Voltage - Forward (Vf) (Max) @ If	840 mV @ 20 A
Technology	Schottky
Diode Configuration	1 Pair Common Cathode
Speed	Fast Recovery ≤500 ns, >200 mA (Io)
Current - Reverse Leakage @ Vr	100 µA @ 35 V
Operating Temperature - Junction	-55°C ~ 150°C
Mounting Type	Through Hole
Package / Case	TO-220-3
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MBR2035CT are classified based on the following substitution criteria:

Manufacturer-Recommended Substitute: Parts that maintain active product status and full operational compatibility within specified electrical parameters.

Parametric Equivalents: Parts that match the core electrical specifications (35 V reverse voltage, 20 A current rating, Schottky technology, 1 Pair Common Cathode configuration) while offering alternative packaging or manufacturer options.

Key Parameters Determining Substitutability:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 35 V
Current - Average Rectified (Io) (per Diode): Must equal or exceed 20 A
Diode Configuration: Must be 1 Pair Common Cathode
Technology: Must be Schottky
Mounting Type: Must be Through Hole
Package / Case: TO-220-3 or compatible mechanical footprint
Speed: Must maintain Fast Recovery ≤500 ns, >200 mA (Io)

Parameter Comparison

Parameter	MBR2035CT (Diodes Inc.)	STPS2045CT (STMicroelectronics)	MBR2035CT (Solid State Inc.) - Config A	MBR2035CT (Solid State Inc.) - Config B	MBR2035CT C0G (Taiwan Semi)	MBR2035CTHC0G (Taiwan Semi)	MBR2035PT C0G (Taiwan Semi)
Voltage - DC Reverse (Vr) (Max)	35 V	45 V	35 V	35 V	35 V	35 V	35 V
Current - Average Rectified (Io) (per Diode)	20 A	10 A	20 A	20 A	20 A	20 A	20 A
Voltage - Forward (Vf) (Max) @ If	840 mV @ 20 A	570 mV @ 10 A	Not Specified	Not Specified	840 mV @ 20 A	840 mV @ 20 A	840 mV @ 20 A
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	2 Independent	2 Independent	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Technology	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky
Speed	Fast Recovery ≤500 ns, >200 mA (Io)	Fast Recovery ≤500 ns, >200 mA (Io)	Fast Recovery ≤500 ns, >200 mA (Io)	Fast Recovery ≤500 ns, >200 mA (Io)	Fast Recovery ≤500 ns, >200 mA (Io)	Fast Recovery ≤500 ns, >200 mA (Io)	Fast Recovery ≤500 ns, >200 mA (Io)
Current - Reverse Leakage @ Vr	100 µA @ 35 V	100 µA @ 45 V	Not Specified	Not Specified	100 µA @ 35 V	100 µA @ 35 V	100 µA @ 35 V
Operating Temperature - Junction	-55°C ~ 150°C	175°C (Max)	Not Specified	Not Specified	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-247-3
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitute - STPS2045CT (STMicroelectronics): The STPS2045CT is the manufacturer-recommended substitute with Active product status. This component provides higher reverse voltage rating (45 V vs. 35 V), offering improved voltage margin. However, the current rating is reduced to 10 A per diode compared to the original 20 A specification. This part is suitable for applications where the 35 V reverse voltage requirement can be met with lower current demands. The STPS2045CT maintains ROHS3 compliance and identical fast recovery speed characteristics.

Parametric Equivalents - Taiwan Semiconductor Corporation (MBR2035CT C0G, MBR2035CTHC0G, MBR2035PT C0G): These Taiwan Semiconductor Corporation variants provide exact electrical parameter matching to the original MBR2035CT with Active product status. The MBR2035CT C0G and MBR2035CTHC0G maintain the TO-220-3 package footprint. The MBR2035CTHC0G includes AEC-Q101 automotive qualification and Automotive grade designation. The MBR2035PT C0G offers the same electrical specifications in a TO-247-3 package, providing alternative mechanical mounting for applications requiring larger thermal dissipation area.

Parametric Equivalents - Solid State Inc. (MBR2035CT): Solid State Inc. offers two identical part numbers with 35 V / 20 A specifications in TO-220-3 packaging and Active product status. These components feature a 2 Independent diode configuration rather than the 1 Pair Common Cathode configuration of the original part. This configuration difference requires circuit-level evaluation to determine compatibility with the intended application topology.

All substitute options maintain ROHS3 compliance, MSL 1 (Unlimited) rating, and EAR99 ECCN classification consistent with the original MBR2035CT.

Frequently Asked Questions (FAQ)

Q: Can the STPS2045CT directly replace the MBR2035CT in all applications?

A: The STPS2045CT provides higher reverse voltage (45 V) but reduced current capacity (10 A vs. 20 A per diode). Direct substitution is limited to applications where the maximum required current per diode does not exceed 10 A. The higher voltage rating provides additional design margin for overvoltage conditions.

Q: What is the difference between "1 Pair Common Cathode" and "2 Independent" diode configurations?

A: A 1 Pair Common Cathode configuration connects two diodes with a shared cathode terminal, creating three external connections (two anodes and one common cathode). A 2 Independent configuration provides two separate diodes with individual cathode and anode connections, requiring different circuit topology. Substitution between these configurations requires circuit redesign and is not a direct pin-for-pin replacement.

Q: Are the Taiwan Semiconductor Corporation variants pin-compatible with the original MBR2035CT?

A: The MBR2035CT C0G and MBR2035CTHC0G variants maintain identical TO-220-3 package specifications and 1 Pair Common Cathode configuration, providing pin-for-pin compatibility. The MBR2035PT C0G uses a TO-247-3 package with different pin spacing and is not pin-compatible, though it maintains the same electrical specifications and diode configuration.

Q: What is the significance of the AEC-Q101 qualification on the MBR2035CTHC0G?

A: AEC-Q101 qualification indicates the component meets automotive industry reliability and quality standards. The MBR2035CTHC0G is suitable for automotive applications requiring this certification level. Non-automotive variants do not carry this qualification.

Q: Why is the original MBR2035CT listed as Obsolete?

A: Obsolete status indicates the component is no longer manufactured by Diodes Incorporated. Active alternatives from other manufacturers (STMicroelectronics, Taiwan Semiconductor Corporation, Solid State Inc.) provide equivalent or superior specifications for continued design support and procurement.

Q: How do forward voltage characteristics compare between substitutes?

A: The original MBR2035CT and Taiwan Semiconductor Corporation variants specify 840 mV forward voltage at 20 A. The STPS2045CT specifies 570 mV at 10 A, reflecting its lower current rating. Forward voltage comparison at identical current levels requires manufacturer datasheets for precise thermal and efficiency calculations.

Q: Are all substitute options ROHS3 compliant?

A: All listed substitute parts maintain ROHS3 compliance consistent with the original MBR2035CT, meeting environmental and regulatory requirements for lead-free manufacturing and restricted substance limitations.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message