Taiwan Semiconductor Corporation MBRF3035CTH

Overview

MBRF3035CTH from Taiwan Semiconductor is a dual-die AEC-Q101-qualified Schottky barrier rectifier in ITO-220AB package, rated for 30A average forward current, 35V repetitive peak reverse voltage, and 200A non-repetitive surge current at 8.3ms; it delivers low forward voltage (0.70V typ. @15A, 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 MBRF3035CTH datasheet, MBRF3035CTH pinout, MBRF3035CTH application, or MBRF3035CTH equivalent, key selection criteria include its AEC-Q101 qualification, 4°C/W junction-to-case thermal resistance, dual-common-cathode configuration, guard ring overvoltage protection, and UL recognition (E-326243), all critical for reliable operation in harsh-environment power supplies.

Technical Context

This device integrates two independent Schottky diodes in a single ITO-220AB thermally enhanced package with common cathode connection. Its architecture enables synchronous rectification in center-tapped or dual-output topologies while maintaining low conduction loss across wide temperature range (–55°C to +150°C).

The MBRF3035CTH features a guard ring structure for improved transient overvoltage immunity and meets JESD201 Class 2 whisker resistance. With 10,000 V/µs critical dv/dt rating and 200 µA max reverse leakage @25°C, it supports fast-switching SMPS designs requiring stable reverse blocking under dynamic load conditions.

Key Specifications

Pinout & Package

Package: ITO-220AB - Thermally optimized plastic case with exposed metal tab for direct heatsink attachment; matte tin-plated leads compliant with J-STD-002 solderability; UL 94V-0 molding compound; polarity marked on 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 MBRF3035CTH provides verified AEC-Q101 compliance out-of-box, eliminating need for customer-level stress testing-critical for Tier 1 automotive suppliers managing PPAP timelines and zero-defect requirements.

Availability

MBRF3035CTH is available at Aetrix Electronics and suitable for automotive DC/DC converters, industrial SMPS front-end designs, and telecom power adapters requiring stable component supply with full traceability and long-term lifecycle support.

Supply support for MBRF3035CTH 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 power semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving automotive, industrial, and consumer markets since 1979.

The MBRF3035CTH belongs to TSC's AEC-Q101-qualified Schottky rectifier product line, engineered specifically for high-reliability power conversion in automotive and industrial environments where thermal robustness and transient immunity are mandatory.

FAQ

What does the "H" suffix in MBRF3035CTH signify?

The "H" suffix in MBRF3035CTH indicates full AEC-Q101 qualification per Rev D standards, including stress testing for temperature cycling, humidity bias, and high-temperature operating life. This certification is documented in Taiwan Semiconductor's official qualification report and applies specifically to the MBRF3035CTH variant-not to standard MBRF3035CT. The MBRF3035CTH undergoes additional screening and lot-level traceability to meet automotive reliability requirements.

Is MBRF3035CTH pin-compatible with MBRF3035CT?

Yes, MBRF3035CTH is mechanically and electrically pin-compatible with MBRF3035CT-both use identical ITO-220AB packaging, dual-anode/common-cathode pinout, and share identical absolute maximum ratings and electrical specifications. The only functional difference is AEC-Q101 qualification; no PCB layout changes are needed when upgrading from MBRF3035CT to MBRF3035CTH in automotive designs.

What is the thermal resistance from junction to case (RθJC) for MBRF3035CTH?

The junction-to-case thermal resistance (RθJC) of MBRF3035CTH is 4°C/W, measured under standard JEDEC test conditions. This value is confirmed in Taiwan Semiconductor's M2105 datasheet revision and applies to the ITO-220AB package with properly torqued mounting (≤0.56 N·m). It enables accurate thermal modeling when designing heatsinks for continuous 30A operation at elevated ambient temperatures.

Does MBRF3035CTH support dual-output power supply topologies?

Yes, MBRF3035CTH supports dual-output topologies via its dual-anode/common-cathode configuration. Each anode handles independent current paths while sharing a single thermal interface through the metal tab. This architecture is commonly used in center-tapped forward converters and dual-rail flyback supplies-enabling compact, thermally efficient designs without requiring two separate rectifiers or complex interleaving control.

What is the maximum reverse leakage current for MBRF3035CTH at 125°C?

The maximum reverse leakage current (IR) for MBRF3035CTH at rated VR = 35V and TJ = 125°C is 20 mA, as specified in the Electrical Specifications table of the M2105 datasheet. This value reflects worst-case behavior under high-temperature stress and remains within acceptable limits for most automotive and industrial applications where standby power budget permits up to ~700 mW dissipation across both diodes.