Taiwan Semiconductor Corporation TSD2GFSH

Overview

TSD2GFSH from Taiwan Semiconductor is a 2A, 400V repetitive peak reverse voltage (V_RRM) glass-passivated SOD-128 surface-mount rectifier diode with AEC-Q101 qualification, 8kV HBM ESD rating, and 0.94V forward voltage at 2A/25°C. It serves as a polarity protection and general-purpose rectification device in automotive power supplies and industrial DC input stages.

For engineers reviewing the TSD2GFSH datasheet, TSD2GFSH pinout, TSD2GFSH application, or TSD2GFSH equivalent, key selection criteria include its 400V V_RRM, 40A I_FSM surge capability, -40°C to +175°C operating junction temperature range, SOD-128 package compatibility with automated placement, and AEC-Q101 qualification for automotive-grade reliability.

Technical Context

The TSD2GFSH is a single-die, unidirectional silicon rectifier optimized for high-reliability DC input conditioning. Its glass-passivated junction ensures stable leakage performance up to 125°C (I_R ≤ 5 µA), while the SOD-128 thermally enhanced package delivers R_θJL = 15°C/W for efficient heat transfer to PCB copper pads.

ESD robustness meets AEC-Q101-001 H3B class (≥8kV HBM) and IEC 61000-4-2 contact mode (≥10kV), enabling use in environments with frequent electrostatic events. Junction capacitance is specified at 15pF (1MHz, 4V reverse bias), supporting stable operation in moderate-frequency rectification circuits.

Key Specifications

Pinout & Package

Package: SOD-128 - Surface-mount, flat-lead plastic package with cathode band marking; JEDEC DO-221AD compliant; 0.028g mass; UL 94V-0 molding compound; matte tin-plated leads per J-STD-002.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STPS2H100S and MUR240, the TSD2GFSH uniquely combines 400V blocking, AEC-Q101 qualification, 8kV HBM ESD rating, and SOD-128 surface-mount compatibility-making it the only option qualified for automotive front-end protection where space, reliability, and electrostatic resilience are jointly constrained.

Availability

TSD2GFSH is available at Aetrix Electronics and suitable for automotive power input protection, industrial DC rail clamping, and consumer appliance polarity guard applications requiring stable component supply, full traceability, and long-term lifecycle support.

Supply support for TSD2GFSH 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, specializing in high-reliability power devices and protection components.

The TSD2GFSH belongs to TSC's AEC-Q101-qualified SOD-128 rectifier family, engineered specifically for automotive and industrial DC input conditioning where ESD resilience, thermal stability, and automated manufacturability are co-required.

FAQ

What is the maximum repetitive peak reverse voltage (V_RRM) for TSD2GFSH?

The TSD2GFSH has a V_RRM of 400 V, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet (Version B2312). This rating defines the highest reverse-bias voltage the diode can block repeatedly without breakdown, making it suitable for 24V and 48V automotive and industrial bus protection where transient spikes remain within this limit. Exceeding 400V risks irreversible avalanche failure.

Is TSD2GFSH qualified for automotive applications?

Yes, the TSD2GFSH is AEC-Q101 qualified per the manufacturer's documentation, confirming stress testing for temperature cycling, humidity, mechanical shock, and ESD. This qualification validates its use in automotive power modules, body control units, and infotainment systems where reliability under vibration, thermal cycling, and electrostatic exposure is mandatory. The TSD2GFSH datasheet explicitly lists AEC-Q101 in its FEATURES section.

What is the forward voltage drop (V_F) of TSD2GFSH at rated current?

The TSD2GFSH exhibits a typical forward voltage of 0.94 V at 2 A and 25°C, with a maximum of 1.10 V under the same conditions. At elevated junction temperature (125°C), V_F drops to 0.83 V typical. These values are measured per pulse test (PW = 0.3 ms) and directly impact conduction loss calculations-e.g., 1.88 W dissipation at 2 A and 25°C-guiding thermal pad sizing on PCB.

Does TSD2GFSH have ESD protection, and to what standard?

Yes, the TSD2GFSH provides robust ESD immunity: ≥8 kV per AEC-Q101-001 Human Body Model (HBM), ≥10 kV per IEC 61000-4-2 contact discharge, and ≥15 kV per air-discharge testing. These ratings are confirmed in the "Immunity to Electrical Static Discharge" section of the official datasheet and enable safe handling during SMT assembly without dedicated ESD workstations.

What package type does TSD2GFSH use, and what are its key mechanical attributes?

The TSD2GFSH uses the SOD-128 surface-mount package per JEDEC DO-221AD Variation AD. Key attributes include matte tin-plated leads (J-STD-002 solderable), UL 94V-0 flammability-rated molding compound, cathode band polarity marking, and a mass of 0.028 g. Its thermal design supports R_θJL = 15°C/W when mounted on a 5 mm × 5 mm copper pad-critical for thermal management in compact layouts.