MBRI30100CT Equivalent & Substitute Parts

Part Overview

The MBRI30100CT is a Schottky diode array manufactured by Taiwan Semiconductor Corporation, configured as a 1 Pair Common Cathode arrangement with a maximum reverse voltage rating of 100 V and average rectified current of 30 A per diode. The device is packaged in a TO-262-3 Long Leads (I2PAK) through-hole configuration and features fast recovery characteristics suitable for high-frequency rectification applications.

This part carries a "Not For New Designs" product status, indicating it has been superseded or discontinued for new development. Identification of equivalent substitute parts is necessary to support existing designs, maintenance requirements, and legacy system support where the MBRI30100CT specifications remain applicable.

Substiute Parts

MBRI30100CT

Taiwan Semiconductor CorporationIn Stock: 941MBRI30100CT Datasheet

Current PartRFQ

MBR30100CT

Diotec SemiconductorIn Stock: 49499MBR30100CT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MBRI30100CT 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
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Mounting Type: Through Hole

Current Rating Consideration: The MBRI30100CT specifies 30 A average rectified current per diode. Substitute parts with lower current ratings (such as 15 A) do not meet the electrical requirements for direct substitution in applications requiring the full 30 A capability. Such parts may only be considered for applications with reduced current demands.

Package Compatibility: The original part uses TO-262-3 Long Leads (I2PAK) packaging. Substitute parts in alternative through-hole packages (such as TO-220-3) require mechanical and thermal evaluation for the specific application context.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The MBRI30100CT carries a "Not For New Designs" designation, indicating discontinuation or supersession. The MBR30100CT from Diotec Semiconductor carries an "Active" product status, confirming ongoing availability and manufacturer support.

Current Rating Limitation: The MBR30100CT is rated for 15 A average rectified current per diode, which is 50% of the MBRI30100CT specification. This part is suitable only for applications where the actual operating current does not exceed 15 A per diode. Applications requiring the full 30 A capability cannot use this substitute without circuit redesign or parallel device configuration.

Package Transition: The substitute part uses TO-220-3 packaging instead of the original TO-262-3 Long Leads (I2PAK). This represents a different physical footprint and thermal interface. PCB layout modification and thermal management re-evaluation are required for mechanical and thermal compatibility.

Compliance Status: The MBRI30100CT is ROHS3 Compliant. The MBR30100CT RoHS status is listed as "Not applicable," indicating different regulatory classification. Compliance verification against applicable standards for the target application is necessary.

Electrical Characteristics: Both parts share identical reverse voltage ratings (100 V) and fast recovery speed characteristics (≤ 500ns, > 200mA). The reverse leakage current differs (200 µA vs. 50 µA @ 100 V), with the substitute exhibiting lower leakage. Forward voltage characteristics are specified at different current levels and cannot be directly compared.

Frequently Asked Questions (FAQ)

Q: Can the MBR30100CT directly replace the MBRI30100CT in all applications?

A: No. The MBR30100CT is rated for 15 A average rectified current per diode, while the MBRI30100CT is rated for 30 A. Direct substitution is limited to applications where the actual operating current does not exceed 15 A per diode. Additionally, the package change from TO-262-3 to TO-220-3 requires PCB layout modification.

Q: What is the significance of the "Not For New Designs" status on the MBRI30100CT?

A: This designation indicates the part has been discontinued or superseded by the manufacturer for new development. Existing designs using this part may continue to operate, but new designs should utilize active alternatives. The MBR30100CT carries an "Active" status, confirming current manufacturer support.

Q: Are the forward voltage specifications comparable between these parts?

A: No. The MBRI30100CT specifies 940 mV forward voltage at 30 A, while the MBR30100CT specifies 850 mV at 15 A. These measurements are taken at different operating currents and cannot be directly compared. Forward voltage characteristics are current-dependent.

Q: What are the package differences, and do they affect substitution?

A: The MBRI30100CT uses TO-262-3 Long Leads (I2PAK) packaging, while the MBR30100CT uses TO-220-3 packaging. These are different physical footprints with different lead configurations and thermal interfaces. PCB layout redesign and thermal management evaluation are required for mechanical and thermal compatibility.

Q: How do the reverse leakage currents compare?

A: The MBRI30100CT exhibits 200 µA reverse leakage at 100 V, while the MBR30100CT exhibits 50 µA at the same voltage. The substitute part has lower leakage current, which may be beneficial in applications sensitive to leakage characteristics.

Q: What compliance differences exist between these parts?

A: The MBRI30100CT is ROHS3 Compliant. The MBR30100CT RoHS status is listed as "Not applicable." Compliance verification against applicable regulatory standards for the target application is necessary before substitution.

Q: Can multiple MBR30100CT devices be paralleled to achieve 30 A capability?

A: Parallel configuration of semiconductor devices requires careful analysis of current sharing, thermal management, and circuit design. This is outside the scope of direct substitution and requires detailed engineering evaluation specific to the application.

Q: Are the operating temperature ranges compatible?

A: The MBRI30100CT operates from -55°C to 150°C junction temperature, while the MBR30100CT operates from -50°C to 175°C. The ranges overlap, but the MBRI30100CT has a lower minimum temperature limit. Applications requiring operation below -50°C cannot use the substitute.