Taiwan Semiconductor Corporation SRF2030

Overview

SRF2030 from Taiwan Semiconductor is a 20A, 30V AEC-Q101-qualified Schottky barrier rectifier in ITO-220AB package with dual-die configuration, 1.5°C/W junction-to-case thermal resistance, 200A surge capability, and 0.55V forward voltage at 10A/25°C - used in high-efficiency DC-DC converters and automotive-grade power adapters.

For engineers reviewing the SRF2030 datasheet, SRF2030 pinout, SRF2030 application, or SRF2030 equivalent, key selection criteria include repetitive peak reverse voltage (30 V), forward current rating (20 A), thermal resistance (1.5 °C/W), AEC-Q101 qualification status, and ITO-220AB mounting compatibility with standard heatsinks.

Technical Context

The SRF2030 integrates two Schottky diodes in a single ITO-220AB thermally optimized package, enabling dual-path rectification or parallel operation. Its guard ring structure provides overvoltage protection, and matte tin-plated leads meet J-STD-002 solderability requirements.

Rated for TJ = –55°C to +150°C operation, the device delivers 500 µA max reverse leakage at 25°C and 15 mA at 100°C under rated VR, supporting stable performance in thermally demanding SMPS and automotive power stages.

Key Specifications

Pinout & Package

Package: ITO-220AB - insulated thermoplastic outline with integral metal tab for direct heatsink mounting, UL 94V-0 molding compound, matte tin-plated leads, 0.56 N·m max 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 VS-20BQ030-M3 and MBR2030CT, the SRF2030 uniquely combines AEC-Q101 qualification, guard ring protection, and UL recognition - making it the only option qualified for safety-critical automotive power conversion where reliability under voltage stress and thermal cycling is mandatory.

Availability

SRF2030 is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial SMPS, and USB-C PD adapters requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for SRF2030 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 automotive, industrial, and computing markets since 1979.

The SRF2030 belongs to TSC's AEC-Q101-qualified Schottky rectifier product line, engineered specifically for high-reliability 12V–48V automotive and industrial power conversion where low VF, surge resilience, and thermal stability are critical.

FAQ

What is the maximum junction temperature rating for the SRF2030?

The SRF2030 has a maximum junction temperature (T_J) of +150°C, validated across its full operating range from –55°C to +150°C. This rating enables reliable operation in under-hood automotive environments and high-ambient industrial power supplies. The SRF2030 maintains specified electrical parameters within this range, and its 1.5°C/W R_θJC supports effective heatsinking to sustain continuous 20A conduction without exceeding T_J limits.

Is the SRF2030 pin-compatible with standard TO-220AB rectifiers?

No - the SRF2030 uses the ITO-220AB package, which features an insulated tab electrically isolated from the cathode, unlike conductive-tab TO-220AB devices. While physical footprint and mounting hole positions match, the SRF2030's tab must not be grounded unless the circuit explicitly references cathode to heatsink. Using it as a direct drop-in for non-insulated TO-220AB parts risks short circuits or safety violations.

Does the SRF2030 have AEC-Q101 qualification?

Yes - the SRF2030H variant is AEC-Q101 qualified, as confirmed in the official Taiwan Semiconductor datasheet (Version J2105). Standard SRF2030 parts are not automatically qualified; only those ordered with the "H" suffix (e.g., SRF2030H) undergo full AEC-Q101 stress testing including temperature cycling, humidity bias HAST, and mechanical shock. Always verify the ordering code includes "H" for automotive applications.

What is the forward voltage specification for the SRF2030 at elevated temperature?

The SRF2030 exhibits a typical forward voltage of 0.55 V at 10A and 25°C. At 100°C junction temperature, VF increases to approximately 0.48 V due to the negative temperature coefficient of Schottky diodes. This reduction lowers conduction loss at high ambient conditions - a key advantage in thermally constrained designs. The SRF2030 datasheet confirms this behavior via Fig.4 (Typical Forward Characteristics) across temperature sweeps.

How does the guard ring in the SRF2030 improve system reliability?

The guard ring in the SRF2030 enhances edge termination robustness, suppressing premature avalanche breakdown during voltage transients. In automotive 12V systems subject to load dump (up to 40V) or inductive kickback, this feature prevents localized hot-spot formation and parametric drift. Unlike basic Schottky rectifiers, the SRF2030 sustains rated V_RRM with margin even after repeated 30V+ spikes - directly improving field failure rates in DC-DC converters and battery management subsystems.