Taiwan Semiconductor Corporation MBR6090PTH

Overview

MBR6090PTH from Taiwan Semiconductor is a 60A, 90V AEC-Q101-qualified Schottky barrier rectifier in TO-247AD package, featuring 0.98V forward voltage at 60A/25°C, 420A surge capability, 1.2°C/W junction-to-case thermal resistance, and guard ring overvoltage protection-used in high-efficiency DC-DC converters and automotive-grade SMPS.

For engineers reviewing the MBR6090PTH datasheet, MBR6090PTH pinout, MBR6090PTH application, or MBR6090PTH equivalent, key selection criteria include its 90V V_RRM, dual-die configuration, AEC-Q101 qualification, matte tin-plated leads per J-STD-002, and UL Recognized File # E-326243 compliance for automotive and industrial power systems.

Technical Context

This device implements a dual-die Schottky architecture with common-cathode configuration, enabling high-current rectification with low conduction loss. Its 10,000 V/μs dV/dt rating and guard ring structure support robust operation under fast-switching transients in hard-switched topologies.

Thermally, it delivers 1.2°C/W R_θJC in TO-247AD package, allowing sustained 60A operation up to 125°C junction temperature. Reverse leakage remains ≤10 mA at 125°C and rated 90V, supporting stable performance in thermally constrained environments.

Key Specifications

Pinout & Package

Package: TO-247AD (TO-3P), 3-terminal single-in-line package with isolated mounting hole, matte tin-plated leads, UL 94V-0 molding compound, and polarity marking on case.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MBR6090PTH, VS-MBR6090CTH offers marginally better conduction efficiency but no automotive qualification, while MBR6090CT trades higher V_F and reduced ruggedness for broader legacy design reuse-making MBR6090PTH optimal for new AEC-Q101-compliant power systems demanding thermal and surge robustness.

Availability

MBR6090PTH is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial SMPS, and flat panel TV power supplies requiring stable component supply with full AEC-Q101 traceability and UL safety certification.

Supply support for MBR6090PTH 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 discrete manufacturer headquartered in Hsinchu, Taiwan, serving automotive, industrial, and computing markets since 1979.

The MBR6090PTH belongs to TSC's AEC-Q101-qualified Schottky rectifier product line, engineered specifically for high-current, high-reliability power conversion in automotive and industrial environments where thermal stability and transient robustness are critical.

FAQ

What is the maximum junction temperature rating for MBR6090PTH?

The MBR6090PTH has a maximum junction temperature (T_J) of +150°C, verified across its full operating range from –55°C to +150°C. This rating enables deployment in under-hood automotive applications and high-ambient industrial environments. The device maintains specified electrical parameters-including 10 mA reverse leakage at 125°C and 90V-within this thermal envelope. Thermal design must account for its 1.2°C/W R_θJC and mounting torque limit of 1.13 N·m to ensure reliable long-term operation of the MBR6090PTH.

Is MBR6090PTH pin-compatible with MBR60100PTH?

Yes, MBR6090PTH is pin-compatible with MBR60100PTH, as both use identical TO-247AD (TO-3P) packaging and share the same three-terminal anode-anode-cathode pinout. However, their V_RRM ratings differ (90V vs. 100V), and forward voltage increases slightly in the 100V variant (0.98V vs. 1.00V at 60A/25°C). System-level validation is required before substitution, particularly in designs operating near the 90V reverse voltage limit. The MBR6090PTH remains the preferred choice where 90V blocking suffices and lowest possible V_F is prioritized.

Does MBR6090PTH require a heatsink in 60A continuous operation?

Yes, the MBR6090PTH requires a heatsink for 60A continuous operation at ambient temperatures above 45°C. At 25°C ambient and 60A, its power dissipation is ~58.8W (0.98V × 60A), resulting in ~70.6°C junction rise above case (58.8W × 1.2°C/W). Without forced airflow or heatsinking, case temperature will exceed safe limits. A properly sized heatsink-verified via thermal simulation using the published transient impedance curve (Fig.6)-is mandatory to maintain T_J ≤150°C. Mounting must follow the 1.13 N·m torque specification to ensure optimal thermal contact for the MBR6090PTH.

What does the "H" suffix in MBR6090PTH signify?

The "H" suffix in MBR6090PTH indicates full AEC-Q101 qualification per revision D, covering stress testing for temperature cycling, humidity bias, mechanical shock, and high-temperature operating life. It also confirms compliance with RoHS and halogen-free standards (IEC 61249-2-21), UL Recognition File #E-326243, and JESD201 Class 2 whisker resistance. This distinguishes MBR6090PTH from non-H variants like MBR6090PT, which lack automotive qualification and may omit certain reliability test data. For automotive power designs, specifying MBR6090PTH ensures documented compliance with MBR6090PTH's full automotive-grade requirements.

How does the guard ring feature improve MBR6090PTH reliability?

The guard ring in MBR6090PTH enhances edge termination robustness, suppressing premature avalanche breakdown at the silicon periphery during voltage transients. This allows the device to sustain 10,000 V/μs dV/dt without failure-critical in fast-switching SMPS and automotive load-dump scenarios. Unlike unguarded Schottkys, MBR6090PTH avoids localized hot-spot formation during overvoltage events, extending lifetime under repetitive surge conditions. Test data confirms stable IR and VF after 1,000 cycles of 90V reverse surge, directly attributable to the guard ring structure in the MBR6090PTH.