MBRB2535CTHE3_A/I Equivalent & Substitute Parts

Part Overview

The MBRB2535CTHE3_A/I is a Schottky diode array manufactured by Vishay General Semiconductor - Diodes Division. This component features a 1 Pair Common Cathode configuration rated for 35 V DC reverse voltage with 12.5 A average rectified current per diode. The device is housed in a TO-263-3 D2PAK surface mount package and is qualified to AEC-Q101 automotive standards.

This part is classified as Obsolete. Identifying equivalent and substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this diode array.

Substiute Parts

MBRB2535CTHE3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1097MBRB2535CTHE3_A/I Datasheet

Current PartRFQ

V30D45CHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 865V30D45CHM3_A/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MBRB2535CTHE3_A/I is determined by the following critical parameters:

Configuration Match: The substitute must maintain a 1 Pair Common Cathode diode array configuration to ensure functional equivalence in circuit topology.

Technology Consistency: Schottky technology must be preserved to maintain fast recovery characteristics and forward voltage performance.

Voltage Rating: The substitute must support the application's reverse voltage requirements. A higher voltage rating (45 V) provides enhanced margin and is acceptable for 35 V applications.

Current Capacity: The substitute must meet or exceed the 12.5 A average rectified current specification per diode to ensure adequate current handling.

Package Compatibility: The TO-263-3 D2PAK surface mount package must be maintained for mechanical and thermal compatibility with existing PCB layouts.

Automotive Qualification: AEC-Q101 certification must be retained to satisfy automotive-grade reliability and qualification requirements.

Environmental Compliance: RoHS3 compliance and MSL rating must be preserved for regulatory and manufacturing process compatibility.

The V30D45CHM3_A/I meets all substitution criteria with enhanced electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The V30D45CHM3_A/I is a direct substitute for the MBRB2535CTHE3_A/I based on the following engineering criteria:

Product Status: The substitute part is classified as Active, ensuring ongoing availability and manufacturing support. The main part is Obsolete, making substitution necessary for continued supply chain viability.

Compliance and Certification: Both components maintain AEC-Q101 automotive qualification and ROHS3 compliance, satisfying regulatory and quality requirements for automotive applications.

Electrical Performance Enhancement: The substitute provides improved electrical characteristics with higher voltage rating (45 V vs. 35 V), increased current capacity (15 A vs. 12.5 A), and lower forward voltage drop (570 mV @ 15 A vs. 820 mV @ 30 A). These enhancements provide design margin and improved efficiency.

Package Compatibility: Both components utilize the TO-263-3 D2PAK surface mount package, ensuring mechanical and thermal compatibility with existing PCB designs without layout modifications.

Configuration Preservation: The 1 Pair Common Cathode configuration is maintained, preserving circuit topology and functional equivalence.

Environmental Specifications: MSL rating of 1 (Unlimited) is retained for both components, ensuring compatibility with manufacturing processes and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can the V30D45CHM3_A/I be used as a direct replacement for the MBRB2535CTHE3_A/I without circuit modifications?

A: Yes. Both components share identical diode configuration (1 Pair Common Cathode), technology (Schottky), mounting type (Surface Mount), and package format (TO-263-3 D2PAK). The substitute provides enhanced electrical performance with higher voltage and current ratings, making it functionally compatible for applications designed for the original part.

Q: What are the key differences between these two diode arrays?

A: The primary differences are voltage rating (45 V vs. 35 V), current capacity (15 A vs. 12.5 A per diode), forward voltage drop (570 mV @ 15 A vs. 820 mV @ 30 A), and operating temperature range (-40°C to 150°C vs. -65°C to 150°C). The substitute offers improved electrical performance and higher current handling capability.

Q: Is the TO-263-3 D2PAK package identical between both parts?

A: Both components use the TO-263-3 D2PAK (2 Leads + Tab) surface mount package. The package designation for the main part is TO-263AB, while the substitute uses a TO-263AC variant. Both are mechanically and thermally compatible with standard TO-263-3 D2PAK PCB footprints.

Q: Are both parts qualified for automotive applications?

A: Yes. Both the MBRB2535CTHE3_A/I and V30D45CHM3_A/I are classified as Automotive grade and hold AEC-Q101 qualification, meeting automotive reliability and quality standards.

Q: What is the impact of the lower operating temperature minimum on the substitute part?

A: The substitute part operates from -40°C to 150°C, compared to the main part's -65°C to 150°C range. For applications requiring operation below -40°C, the original part specifications must be maintained. For standard automotive applications operating within -40°C to 150°C, the substitute is fully compatible.

Q: Does the improved forward voltage characteristic of the substitute affect circuit design?

A: The substitute exhibits lower forward voltage drop (570 mV @ 15 A vs. 820 mV @ 30 A), resulting in reduced power dissipation and improved efficiency. This enhancement is beneficial for thermal management and power budget optimization. No circuit redesign is required; the substitute performs more efficiently than the original part.

Q: Are both components RoHS compliant?

A: Yes. Both the MBRB2535CTHE3_A/I and V30D45CHM3_A/I are ROHS3 compliant and carry MSL rating of 1 (Unlimited), ensuring compatibility with modern manufacturing processes and environmental regulations.