MBR20200CT Equivalent & Substitute Parts

Part Overview

The MBR20200CT is a Schottky diode array in a 1 Pair Common Cathode configuration rated for 200 V DC reverse voltage and 10 A average rectified current per diode. Manufactured by onsemi, this component features fast recovery characteristics with a maximum forward voltage of 900 mV at 10 A and operates across a junction temperature range of -65°C to 175°C in a Through Hole TO-220-3 package.

The MBR20200CT is classified as Obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements. Active alternatives with identical or superior electrical specifications are available from multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io) (per Diode)	10	A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	1	mA @ 200 V
Operating Temperature - Junction	-65 to 175	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution of the MBR20200CT is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Diode Configuration: 1 Pair Common Cathode (mandatory)
Technology: Schottky (mandatory)
Voltage - DC Reverse (Vr) (Max): 200 V (mandatory)
Current - Average Rectified (Io) (per Diode): 10 A minimum (equal or greater acceptable)
Mounting Type: Through Hole (mandatory)
Package / Case: TO-220-3 (mandatory)

Secondary Compatibility Factors:

Voltage - Forward (Vf) (Max) @ If: 900 mV @ 10 A (reference value; variations within ±50 mV acceptable for equivalent function)
Speed: Fast Recovery ≤ 500ns, > 200mA (Io) (preferred for equivalent performance)
Operating Temperature - Junction: -65°C to 175°C (reference range; minimum -55°C acceptable)

Substitute parts are classified into two categories:

Direct Equivalents: Parts with identical electrical specifications and active product status, suitable for direct replacement without circuit redesign.

Similar Parts: Parts with equal or superior current ratings (≥10 A) and identical voltage specifications, offering enhanced performance margins while maintaining full functional compatibility.

Parameter Comparison

Manufacturer	Part Number	Product Status	Vr (Max) [V]	Io (per Diode) [A]	Vf (Max) @ If [mV]	Reverse Leakage @ Vr [µA/mA]	Tj (°C)	Package	RoHS Status
onsemi	MBR20200CT	Obsolete	200	10	900 @ 10 A	1 mA @ 200 V	-65 to 175	TO-220-3	Non-compliant
onsemi	MBR20200CTG	Active	200	10	900 @ 10 A	1 mA @ 200 V	-65 to 175	TO-220-3	ROHS3 Compliant
Diodes Incorporated	MBR20200CT-G1	Active	200	10	900 @ 10 A	50 µA @ 200 V	-65 to 150	TO-220-3	ROHS3 Compliant
Vishay General Semiconductor - Diodes Division	V20202C-M3/4W	Active	200	10	900 @ 10 A	150 µA @ 200 V	-40 to 175	TO-220-3	ROHS3 Compliant
Good-Ark Semiconductor	MBR20200CT	Active	200	10	Not specified	200 nA @ 200 V	Not specified	TO-220-3 (Isolated Tab)	ROHS3 Compliant
SMC Diode Solutions	SBR20200CT	Active	200	Not specified	950 @ 10 A	1 mA @ 200 V	-55 to 150	TO-220-3	ROHS3 Compliant
Micro Commercial Co	MBR20200CT-BP	Active	200	20	950 @ 10 A	50 µA @ 200 V	Max 150	TO-220-3	ROHS3 Compliant
Panjit International Inc.	MBR20200CT_T0_00001	Active	200	20	900 @ 10 A	50 µA @ 200 V	-65 to 175	TO-220-3	ROHS3 Compliant
IXYS	DSA30C200PB	Active	200	15	940 @ 15 A	250 µA @ 200 V	-55 to 175	TO-220-3	ROHS3 Compliant
STMicroelectronics	STPS20150CT	Active	150	10	920 @ 10 A	5 µA @ 150 V	Max 175	TO-220-3	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Identical Specifications):

The MBR20200CTG (onsemi) is the primary direct equivalent. This part maintains identical electrical specifications to the obsolete MBR20200CT while offering Active product status and ROHS3 compliance. The MBR20200CTG is suitable for direct substitution in all applications without circuit modification.

The MBR20200CT-G1 (Diodes Incorporated) provides an alternative direct equivalent with identical voltage and current ratings. This part features lower reverse leakage (50 µA versus 1 mA) and ROHS3 compliance, making it suitable for applications where leakage current is a design consideration.

The V20202C-M3/4W (Vishay General Semiconductor - Diodes Division) offers parametric equivalence with identical voltage and current specifications. This part operates across the full temperature range (-40°C to 175°C) and carries ROHS3 compliance.

Enhanced Performance Alternatives (Superior Current Rating):

The MBR20200CT-BP (Micro Commercial Co) and MBR20200CT_T0_00001 (Panjit International Inc.) both feature 20 A current ratings, providing a 2× performance margin over the original 10 A specification. Both parts maintain 200 V reverse voltage rating and TO-220-3 packaging. These parts are suitable for applications requiring higher current capacity or improved thermal margin.

The DSA30C200PB (IXYS) provides a 15 A current rating with 200 V reverse voltage, offering a 1.5× performance margin. This part is suitable for applications where moderate current enhancement is beneficial.

Voltage-Reduced Alternative:

The STPS20150CT (STMicroelectronics) features a reduced reverse voltage rating of 150 V with 10 A current capacity. This part is suitable only for applications where the circuit operates at or below 150 V. Use of this part in circuits designed for 200 V operation is not permitted.

Compliance Considerations:

All recommended direct equivalents and enhanced alternatives carry ROHS3 compliance, addressing regulatory requirements absent in the obsolete MBR20200CT. The original part is RoHS non-compliant.

Frequently Asked Questions (FAQ)

Q: Can the MBR20200CTG be used as a direct replacement for the MBR20200CT?

A: Yes. The MBR20200CTG maintains identical electrical specifications including 200 V reverse voltage, 10 A average rectified current, 900 mV forward voltage at 10 A, and fast recovery characteristics. Both parts use the TO-220-3 package and 1 Pair Common Cathode configuration. The MBR20200CTG is Active and ROHS3 compliant.

Q: What is the difference between the MBR20200CT-BP and the MBR20200CT_T0_00001?

A: Both parts feature 20 A current ratings and 200 V reverse voltage. The MBR20200CT-BP (Micro Commercial Co) specifies a maximum junction temperature of 150°C, while the MBR20200CT_T0_00001 (Panjit International Inc.) operates across -65°C to 175°C. The MBR20200CT_T0_00001 provides a wider operating temperature range suitable for applications with extended thermal requirements.

Q: Can I use the DSA30C200PB in place of the MBR20200CT?

A: Yes, with performance enhancement. The DSA30C200PB maintains the 200 V reverse voltage and TO-220-3 package while providing 15 A current capacity (versus 10 A). The forward voltage is 940 mV at 15 A. This part is suitable for direct substitution and offers improved current margin.

Q: Is the STPS20150CT a suitable replacement?

A: The STPS20150CT is suitable only for applications operating at or below 150 V. This part features a reduced reverse voltage rating of 150 V compared to the original 200 V specification. Use in circuits designed for 200 V operation is not permitted.

Q: What does "1 Pair Common Cathode" configuration mean?

A: This configuration contains two diodes with a shared cathode terminal. The three leads of the TO-220-3 package consist of two anodes and one common cathode. All substitute parts listed maintain this identical configuration.

Q: Are all substitute parts available in the same TO-220-3 package?

A: Yes. All substitute parts listed are packaged in TO-220-3 Through Hole configuration. The Good-Ark Semiconductor MBR20200CT variant specifies an isolated tab option (ITO-220AB), which provides electrical isolation of the mounting tab from the cathode terminal. Standard TO-220-3 packages do not provide this isolation.

Q: What is the significance of "Fast Recovery" speed specification?

A: Fast Recovery ≤ 500ns, > 200mA (Io) indicates the diode switching speed for reverse recovery. This specification is critical for high-frequency switching applications. All direct equivalents and most enhanced alternatives maintain this Fast Recovery characteristic, ensuring compatibility in switching power supply circuits.

Q: Can I substitute a part with lower reverse leakage current?

A: Yes. Lower reverse leakage current (such as the 50 µA in MBR20200CT-G1 versus 1 mA in the original) represents improved performance. This characteristic is beneficial in applications sensitive to leakage, such as precision analog circuits or low-power standby modes.

Q: What does ROHS3 compliance mean?

A: ROHS3 compliance indicates conformance to the Restriction of Hazardous Substances Directive 3, which restricts the use of specific hazardous materials in electrical and electronic equipment. All active substitute parts listed carry ROHS3 compliance, addressing regulatory requirements for modern applications.

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