Taiwan Semiconductor Corporation MBR3035CTH

Overview

MBR3035CTH from Taiwan Semiconductor is a dual-die AEC-Q101-qualified Schottky barrier rectifier in TO-220AB package, rated for 30A average forward current, 35V repetitive peak reverse voltage, and 200A non-repetitive surge current. It delivers low forward voltage (0.70 V typ. at 15 A, 25°C) and operates up to 150°C junction temperature, enabling high-efficiency power conversion in automotive-grade DC/DC converters.

For engineers reviewing the MBR3035CTH datasheet, MBR3035CTH pinout, MBR3035CTH application, or MBR3035CTH equivalent, key selection factors include its AEC-Q101 qualification, 1.0°C/W junction-to-case thermal resistance, guard ring–enhanced overvoltage protection, and compatibility with high-surge, high-temperature switching power supplies requiring robust reliability.

Technical Context

This device integrates two independent Schottky diodes in a single TO-220AB thermally optimized package, sharing a common cathode configuration. Its low VF and high IFSM support efficient energy transfer during transient load conditions in high-frequency SMPS topologies.

The MBR3035CTH features a guard ring structure to suppress edge breakdown under voltage stress and meets JESD201 Class 2 whisker resistance and RoHS/halogen-free requirements per IEC 61249-2-21, confirming suitability for automotive and industrial environments.

Key Specifications

Pinout & Package

Package: TO-220AB - Thermally enhanced plastic case with matte tin-plated leads, UL 94V-0 molding compound, and 0.56 N·m maximum mounting torque. Polarity marked on device body.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schottky rectifier applications.

Compared with VS-30CPQ035 and MBR3035CT, the MBR3035CTH uniquely combines automotive qualification, halogen-free construction, and TO-220AB mechanical compatibility-making it the only drop-in solution for AEC-compliant 30A/35V rectification where footprint, thermal interface, and regulatory alignment are jointly constrained.

Availability

MBR3035CTH is available at Aetrix Electronics and suitable for automotive power modules, industrial SMPS designs, and medical-grade adapters requiring stable component supply with guaranteed AEC-Q101 compliance and halogen-free materials.

Supply support for MBR3035CTH includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in power rectifiers, TVS devices, and automotive-qualified components.

The MBR3035CTH belongs to TSC's AEC-Q101-certified Schottky rectifier product line, engineered specifically for high-reliability 12V–48V automotive and industrial power conversion where low VF, high surge tolerance, and long-term thermal stability are critical.

FAQ

What is the AEC-Q101 qualification status of the MBR3035CTH?

The MBR3035CTH is fully AEC-Q101 qualified per Version K2104 documentation, covering stress testing for temperature cycling, humidity bias, high-temperature operating life, and mechanical shock. This qualification confirms its suitability for automotive powertrain and body electronics applications where reliability under harsh environmental conditions is mandatory. The "H" suffix in MBR3035CTH explicitly denotes this certified qualification status.

Does the MBR3035CTH have a common-cathode or common-anode configuration?

The MBR3035CTH uses a common-cathode configuration: both internal Schottky dies share the metal tab (case) as the cathode terminal, while Leads 1 and 2 serve as independent anodes. This arrangement supports dual-output rectification or phase-interleaved topologies. The polarity marking on the device body confirms cathode connection to the tab, consistent with TO-220AB standard orientation.

What is the maximum recommended mounting torque for the MBR3035CTH TO-220AB package?

The maximum mounting torque for the MBR3035CTH TO-220AB package is 0.56 N·m, as specified in the Mechanical Data section. Exceeding this value risks cracking the molded case or damaging internal wire bonds. Proper torque application ensures optimal thermal contact between the tab and heatsink while preserving mechanical integrity across thermal cycling in automotive and industrial environments.

How does the forward voltage of the MBR3035CTH compare at 25°C versus 125°C?

At IF = 15 A, the MBR3035CTH forward voltage is 0.70 V max at 25°C and drops to 0.60 V max at 125°C due to the negative temperature coefficient of Schottky diodes. This reduction improves conduction efficiency at elevated temperatures-critical for sustained high-load operation in enclosed power supplies where ambient temperature rises significantly during runtime.

Is the MBR3035CTH halogen-free and RoHS compliant?

Yes, the MBR3035CTH is both RoHS compliant and halogen-free per IEC 61249-2-21, using bromine- and chlorine-free flame retardants in its UL 94V-0 molding compound. This satisfies environmental regulations for electronics sold in the EU, China, and other regulated markets, and supports safer end-of-life recycling without release of toxic halogenated dioxins during incineration.