Taiwan Semiconductor Corporation MBR30100PT

Overview

MBR30100PT from Taiwan Semiconductor is a 30A, 100V dual-die Schottky barrier rectifier in TO-247AD package, featuring 0.85V forward voltage at 15A/25°C, 200A surge current capability, and junction-to-case thermal resistance of 1.4°C/W. It serves as primary output rectifier in high-efficiency SMPS for monitors and DC-DC converters.

For engineers reviewing the MBR30100PT datasheet, MBR30100PT pinout, MBR30100PT application, or MBR30100PT equivalent, key selection criteria include repetitive peak reverse voltage (100V), forward current rating (30A), thermal performance (R_θJC = 1.4°C/W), AEC-Q101 qualification availability, and TO-247AD mechanical compatibility.

Technical Context

This dual-die Schottky rectifier uses guard ring structure for overvoltage protection and achieves low conduction loss via optimized metal-semiconductor junction. Its 100V V_RRM, 200A I_FSM, and 150°C maximum junction temperature support high-power switching applications with transient robustness.

The device operates across -55°C to +150°C junction range, exhibits 500µA max reverse leakage at rated VR and 25°C, and maintains 0.75V typical forward voltage at 15A/125°C-enabling stable performance in thermally constrained power stages.

Key Specifications

Pinout & Package

Package: TO-247AD (TO-3P) - Isolated case design with matte tin-plated leads, UL 94V-0 molding compound, and 6.10g mass; requires ≤1.13 N·m mounting torque.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MBR30100PT, VS-30CPH10 trades slightly higher forward voltage and thermal resistance for broader global distribution, while MBR30H100CT offers marginally lower V_F but requires additional isolation hardware-making MBR30100PT optimal for thermally demanding, space-limited, or automotive-qualified designs.

Availability

MBR30100PT is available at Aetrix Electronics and suitable for monitor power supplies, industrial DC-DC converters, and universal AC adapters requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.

Supply support for MBR30100PT 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 global industrial, computing, and consumer markets since 1979.

The MBR30xxPT series targets high-efficiency AC-DC and DC-DC power conversion, emphasizing low-loss Schottky rectification for applications where thermal management, reliability under surge, and regulatory compliance (UL, AEC-Q101, RoHS) are critical.

FAQ

What is the maximum junction temperature rating for MBR30100PT?

The MBR30100PT has a maximum junction temperature (T_J) of +150°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet. This rating allows reliable operation in enclosed or high-ambient environments such as industrial monitors and sealed power adapters. Derating curves confirm usable current capacity down to 10A at 150°C case temperature. The MBR30100PT must be mounted to an appropriate heatsink to maintain T_J within limits under continuous 30A load.

Is MBR30100PT pin-compatible with other parts in the MBR30xxPT family?

Yes, all MBR30xxPT devices-including MBR30100PT-share identical TO-247AD (TO-3P) package dimensions, pinout (Anode 1, Anode 2, Cathode), and mechanical mounting specifications. Voltage variants (35V–200V) differ only in internal die construction; PCB layout and heatsink interface remain unchanged. The MBR30100PT can be substituted for MBR3060PT or MBR3090PT on the same footprint, provided the 100V V_RRM meets system voltage margin requirements.

Does MBR30100PT have AEC-Q101 qualification?

The base MBR30100PT is not AEC-Q101 qualified; however, the variant MBR30100PTH (with "H" suffix) is explicitly listed in the ordering information as AEC-Q101 qualified. This qualification covers stress testing for automotive-grade reliability including temperature cycling, humidity bias, and ESD. For automotive infotainment or ADAS power modules, specify MBR30100PTH-not MBR30100PT-to ensure compliance. Both share identical electrical specs and package.

What is the forward voltage specification for MBR30100PT at elevated temperature?

Per the electrical specifications table, MBR30100PT exhibits a typical forward voltage of 0.75V at 15A and 125°C junction temperature. This value reflects reduced semiconductor barrier height at high temperature and is critical for thermal stability analysis. At 30A/125°C, the datasheet does not list a typical value but specifies a maximum of 0.95V-ensuring predictable worst-case conduction loss in thermally stressed operation. The MBR30100PT's low V_F drift supports stable regulation in high-temperature environments.

How does the dual-die configuration of MBR30100PT affect circuit layout?

The MBR30100PT integrates two independent Schottky dies sharing a common cathode terminal, allowing flexible use as either a dual-output rectifier (e.g., separate 12V and 5V rails) or paralleled anodes for enhanced current handling. Layout must maintain symmetrical trace lengths from each anode to its respective transformer winding to avoid current imbalance. The common cathode must connect directly to a low-impedance ground plane or heatsink-no routing stubs-to minimize inductance and EMI. This architecture eliminates need for two discrete TO-247 devices, saving ~12mm² PCB area.