Taiwan Semiconductor Corporation MBRF5200

Overview

MBRF5200 from Taiwan Semiconductor is a 5A, 200V Schottky barrier rectifier in ITO-220AC package, featuring 120A surge current capability, 0.92V max forward voltage at 5A/125°C, and AEC-Q101 qualification option. It serves as a high-efficiency output rectifier in automotive-grade DC-DC converters and industrial SMPS.

For engineers reviewing the MBRF5200 datasheet, MBRF5200 pinout, MBRF5200 application, or MBRF5200 equivalent, key selection criteria include VRRM=200V, IFSM=120A, RθJC=3°C/W, TJ(max)=150°C, and UL Recognized File #E-326243 compliance for safety-critical power designs.

Technical Context

This single-die Schottky rectifier uses guard ring technology to enhance over-voltage robustness and supports continuous 5A forward conduction with low conduction loss. Its 10,000 V/µs dv/dt rating enables stable operation in fast-switching topologies like synchronous buck and flyback converters.

The device operates across -55°C to +150°C junction temperature range and exhibits 100 µA max reverse leakage at 25°C and 5 mA at 125°C under rated VR, ensuring reliable blocking performance in thermally demanding environments.

Key Specifications

Pinout & Package

Package: ITO-220AC - Insulated TO-220 variant with isolated metal tab, UL 94V-0 molding compound, matte tin-plated leads, and 0.56 N·m maximum mounting torque.

Key Features

Applications

Equivalent & Alternatives

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

Compared with VS-50WQ03FN-M3 and MBR5200CT, the MBRF5200 provides optimal balance of 200V blocking, single-die simplicity, and AEC-Q101 readiness-making it preferred for automotive and industrial 200V-rail rectification where isolation and surge immunity are critical.

Availability

MBRF5200 is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial SMPS outputs, and USB-C PD adapters requiring stable component supply and traceable sourcing.

Supply support for MBRF5200 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 global industrial, computing, and automotive markets since 1979.

The MBRF5x series targets high-reliability power conversion applications, emphasizing ruggedness, thermal performance, and regulatory compliance for mission-critical rectification in harsh environments.

FAQ

What is the maximum junction temperature rating for MBRF5200?

The MBRF5200 has a maximum junction temperature (TJ) rating of +150°C, validated per absolute maximum ratings in the official Taiwan Semiconductor datasheet. This allows operation in high-ambient environments such as engine bays or enclosed industrial enclosures. Derating curves specify reduced current above 25°C case temperature, and thermal design must respect RθJC = 3°C/W to maintain safe TJ under full 5A load. The MBRF5200's 150°C limit exceeds standard silicon rectifiers and supports extended lifetime in thermally constrained layouts.

Does MBRF5200 have AEC-Q101 qualification?

The MBRF5200 is available in an AEC-Q101 qualified version denoted by the "H" suffix (e.g., MBRF5200H), as confirmed in Taiwan Semiconductor's ordering information. Standard MBRF5200 is not automatically qualified; only parts ordered with the "H" code undergo full stress testing per AEC-Q101 Rev D. For automotive applications requiring qualification, designers must specify MBRF5200H and verify packaging markings. The MBRF5200H retains identical electrical and thermal specs but adds validation for temperature cycling, HTRB, and ESD robustness.

What is the forward voltage drop of MBRF5200 at full load and elevated temperature?

At 5A forward current and 125°C junction temperature, the MBRF5200 exhibits a maximum forward voltage (VF) of 0.92V, per Taiwan Semiconductor's electrical specifications table. This value is measured under pulsed conditions (PW = 0.3ms) and reflects real-world conduction loss during sustained high-temperature operation. At 25°C, VF is ≤1.02V. These values enable accurate power loss calculation: Pcond ≈ 4.6W at 125°C, informing heatsink selection and system efficiency targets for the MBRF5200.

How does the guard ring feature improve reliability of MBRF5200?

The guard ring in the MBRF5200 is a diffusion-based structural enhancement surrounding the active junction, designed to suppress edge breakdown under transient over-voltage conditions. It increases the device's critical dv/dt rating to 10,000 V/µs and improves ruggedness against line surges and switching spikes without requiring external snubber networks. This feature directly extends operational life in noisy industrial or automotive power systems and is verified through standardized surge testing per IEC 61000-4-5. The MBRF5200's guard ring contributes to its 120A IFSM rating and UL recognition.

Is MBRF5200 compatible with lead-free reflow soldering processes?

Yes, the MBRF5200 features matte tin-plated leads compliant with J-STD-002 for solderability, and its ITO-220AC package uses UL 94V-0 molding compound rated for peak reflow temperatures up to 260°C. The device meets JEDEC J-STD-020 moisture sensitivity level (MSL) requirements for standard surface-mount assembly. No special pre-bake or process deviation is needed-standard lead-free reflow profiles apply. Taiwan Semiconductor confirms compatibility in mechanical data section, and the MBRF5200's 1.60g mass supports consistent thermal transfer during soldering.