Taiwan Semiconductor Corporation MBR3035PTH

Overview

MBR3035PTH from Taiwan Semiconductor is a 30A, 35V AEC-Q101-qualified Schottky barrier rectifier in TO-247AD package, featuring 0.82V forward voltage at 30A/25°C, 200A surge current capability, and 1.4°C/W junction-to-case thermal resistance for high-efficiency power conversion in automotive and industrial SMPS.

For engineers reviewing the MBR3035PTH datasheet, MBR3035PTH pinout, MBR3035PTH application, or MBR3035PTH equivalent, key selection criteria include its 35V repetitive peak reverse voltage, AEC-Q101 qualification status, TO-247AD mechanical mounting compatibility, and low VF performance at elevated temperature (0.73V @ 30A/125°C).

Technical Context

This dual-die Schottky rectifier operates with zero recovery time and low switching losses, enabling high-frequency operation in DC-DC converters and offline SMPS. Its guard ring structure provides overvoltage protection, and the matte tin-plated leads meet J-STD-002 solderability standards.

The device supports continuous forward current up to 30A with derating above 25°C case temperature, and handles 200A non-repetitive surge current (8.3ms half-sine) - critical for input rectification in systems subject to line transients or inrush events.

Key Specifications

Pinout & Package

Package: TO-247AD (TO-3P), 3-terminal through-hole package with isolated tab, UL 94V-0 molding compound, 6.10g mass, and 1.13 N·m maximum mounting torque. Polarity marked on case.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MBR3035PTH, VS-30CPH03-M3 offers lower VF but sacrifices automotive qualification and voltage margin, while MBR3035CT fits existing TO-220 layouts but requires larger heatsinks due to inferior thermal resistance and lacks AEC-Q101 validation.

Availability

MBR3035PTH is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial SMPS, and consumer display power adapters requiring stable component supply and long-term lifecycle support.

Supply support for MBR3035PTH 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, serving automotive, industrial, and consumer markets since 1979.

The MBR3035PTH belongs to TSC's AEC-Q101-qualified Schottky rectifier product line, engineered for high-reliability power conversion in harsh-environment applications including engine control units and industrial motor drives.

FAQ

What is the AEC-Q101 qualification status of MBR3035PTH?

MBR3035PTH is explicitly AEC-Q101 qualified per the manufacturer's ordering code suffix "H" and documentation (Version K2103). This qualification covers stress tests including HTSL, TC, UHAST, and ESD, confirming suitability for automotive power electronics where reliability under thermal cycling and vibration is critical. The MBR3035PTH datasheet lists AEC-Q101 as a featured attribute, and UL Recognition File #E-326243 further validates its safety compliance.

Does MBR3035PTH have an isolated tab in the TO-247AD package?

Yes, MBR3035PTH uses the TO-247AD (also labeled TO-3P) variant with an electrically isolated metal tab. Unlike TO-247AC, the AD version features internal insulation between the die and mounting surface, allowing direct heatsink attachment without additional isolation hardware. This is confirmed in the "MECHANICAL DATA" section and package outline drawings in the official datasheet.

What is the maximum forward voltage of MBR3035PTH at full rated current and elevated temperature?

The maximum forward voltage of MBR3035PTH is 0.73V at 30A and 125°C junction temperature, as specified in the Electrical Specifications table under "Forward voltage per diode" conditions. This value reflects real-world conduction loss under thermal stress, enabling accurate power loss calculation for thermal design in high-ambient environments like automotive under-hood applications.

How does the guard ring feature benefit MBR3035PTH in practical circuit operation?

The guard ring in MBR3035PTH enhances edge termination robustness, suppressing premature avalanche breakdown during voltage transients that exceed the 35V VRRM rating. In practice, this improves reliability in SMPS inputs exposed to line surges or ringing, preventing catastrophic failure without requiring oversized snubbers. The feature is explicitly cited in the "FEATURES" list and correlates with the device's 10,000 V/μs dV/dt rating.

Is MBR3035PTH compatible with lead-free reflow soldering processes?

Yes, MBR3035PTH supports lead-free soldering: its matte tin-plated leads comply with J-STD-002 for solderability, and the UL 94V-0 molding compound withstands peak reflow temperatures up to 260°C. The datasheet confirms compatibility with standard Pb-free profiles, and the device passes JESD201 Class 2 whisker testing - essential for RoHS-compliant manufacturing of automotive and industrial assemblies.