Taiwan Semiconductor Corporation SFA1003GHC0G

Overview

SFA1003GHC0G from Taiwan Semiconductor is a 150 V, 10 A super fast recovery rectifier diode in TO-220AC package, featuring 35 ns reverse recovery time, 0.975 V forward voltage at 10 A/25°C, and 125 A surge capability-used in DC-DC converters and freewheeling paths in automotive-grade switching power supplies.

For engineers reviewing the SFA1003GHC0G datasheet, SFA1003GHC0G pinout, SFA1003GHC0G application, or SFA1003GHC0G equivalent, key selection criteria include V_RRM = 150 V, I_F = 10 A, t_rr = 35 ns, V_F = 0.975 V, and AEC-Q101 qualification for automotive reliability validation.

Technical Context

This super fast rectifier uses a single-die planar epitaxial structure optimized for low conduction loss and rapid carrier recombination. Its 35 ns reverse recovery time enables high-frequency operation up to ~100 kHz in hard-switched topologies without excessive switching loss or EMI.

The device operates across -55°C to +150°C junction temperature range with 3.5°C/W junction-to-case thermal resistance, supporting direct heatsink mounting via TO-220AC case tab. It meets JESD201 Class 2 whisker resistance and RoHS/halogen-free compliance per IEC 61249-2-21.

Key Specifications

Pinout & Package

TO-220AC package with isolated metal tab (case), 3-terminal configuration: Anode (lead 1), Cathode (lead 2), and electrically connected case (tab) serving as cathode terminal. Mounting torque ≤ 0.56 N·m.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STTH10R06DJF and MUR1015CT, the SFA1003GHC0G uniquely combines AEC-Q101 qualification, 150 V rating, 35 ns t_rr, and 0.975 V V_F in a single-diode TO-220AC package-making it optimal for cost-sensitive, thermally constrained automotive DC-DC designs where voltage margin and qualification are critical.

Availability

SFA1003GHC0G is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial switch-mode power supplies, and motor drive freewheeling applications requiring stable component supply, AEC-Q101 compliance, and consistent thermal performance.

Supply support for SFA1003GHC0G 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 power devices, rectifiers, TVS diodes, and MOSFETs since 1979.

The SFA100xG series was developed to deliver AEC-Q101-qualified super fast rectifiers with optimized V_F/t_rr trade-offs for next-generation automotive and industrial power conversion systems operating up to 100 kHz.

FAQ

What is the maximum junction temperature rating for SFA1003GHC0G?

The SFA1003GHC0G has a maximum junction temperature (T_J) of +150°C and a minimum of –55°C. This rating allows operation in under-hood automotive environments and industrial enclosures with elevated ambient temperatures. Derating curves in the datasheet specify allowable average forward current versus case temperature, and thermal design must ensure that actual T_J remains within this range under worst-case power dissipation conditions. The SFA1003GHC0G's 3.5°C/W R_θJC enables accurate junction temperature estimation using measured case temperature.

Is SFA1003GHC0G pin-compatible with standard TO-220AC rectifiers?

Yes, the SFA1003GHC0G uses the industry-standard TO-220AC outline with three leads: anode (lead 1), cathode (lead 2), and electrically connected metal tab (cathode). Its pinout matches generic TO-220AC rectifiers such as 1N5408 or STTH10R06DJF, allowing direct PCB footprint reuse. However, the "H" suffix indicates AEC-Q101 qualification, so while mechanical fit is identical, reliability validation differs-designers must confirm qualification alignment with end-application requirements before substitution.

What does the "C0G" suffix mean in SFA1003GHC0G?

The "C0G" suffix in SFA1003GHC0G is Taiwan Semiconductor's internal date code and factory identifier: "C" denotes the assembly factory, "0G" corresponds to year-week (e.g., 2020, week 7). It is not a performance or tolerance designation. The functional part number is SFA1003GHC, where "H" confirms AEC-Q101 qualification and "C" indicates green (halogen-free) molding compound. All SFA1003GHC0G units meet the same electrical, thermal, and reliability specifications defined for SFA1003GHC in datasheet version K2103.

How does the 35 ns reverse recovery time of SFA1003GHC0G impact EMI in switching circuits?

The 35 ns t_rr of SFA1003GHC0G limits high-frequency current slew rate during turn-off, reducing dv/dt-induced radiated emissions compared to slower rectifiers (e.g., 100+ ns). In practice, this results in lower amplitude ringing on switching nodes and reduced need for snubber networks in 50–100 kHz DC-DC converters. Measured EMI profiles show ~6 dB improvement in 30–100 MHz band versus standard fast recovery diodes. The SFA1003GHC0G's consistent t_rr across temperature further stabilizes EMI behavior across operating conditions.

Can SFA1003GHC0G replace SFA1003G in existing designs?

Yes, SFA1003GHC0G is a direct replacement for SFA1003G with added AEC-Q101 qualification and halogen-free packaging. Electrically and thermally identical-including V_RRM = 150 V, I_F = 10 A, t_rr = 35 ns, and V_F = 0.975 V-the "H" and "C" suffixes denote enhanced reliability and environmental compliance. No layout or schematic changes are needed. Designers upgrading to automotive or industrial-grade reliability should verify qualification documentation and perform thermal validation under worst-case load conditions, but the SFA1003GHC0G maintains full functional equivalence with SFA1003G.