Taiwan Semiconductor Corporation SFA1006G

Overview

SFA1006G from Taiwan Semiconductor is a single-die super fast rectifier in TO-220AC package, rated for 400 V repetitive peak reverse voltage (V_RRM), 10 A average forward current (I_F), and 125 A non-repetitive surge current (I_FSM). It delivers low forward voltage drop (1.300 V at 10 A, 25°C) and ultra-fast reverse recovery (35 ns), making it suitable for high-frequency switching mode power supplies.

For engineers reviewing the SFA1006G datasheet, SFA1006G pinout, SFA1006G application, or SFA1006G equivalent, key selection factors include its 400 V V_RRM, 35 ns trr, 3.5 °C/W R_θJC, RoHS- and halogen-free compliance, and AEC-Q101 qualification option (SFA1006GH).

Technical Context

The SFA1006G is a unidirectional silicon planar junction super fast recovery rectifier optimized for high-efficiency DC–DC conversion and freewheeling in hard-switched topologies. Its 35 ns reverse recovery time and 50 pF junction capacitance minimize switching losses and EMI generation at frequencies up to several hundred kHz.

Thermally, it features a low 3.5 °C/W junction-to-case thermal resistance and operates across –55°C to +150°C junction temperature range. The device uses matte tin-plated leads compliant with J-STD-002 and meets JESD201 Class 2 whisker resistance.

Key Specifications

Pinout & Package

Package: TO-220AC - 3-lead, single-ended, through-hole molded plastic case with isolated tab (cathode-connected tab). Mounting torque ≤ 0.56 N·m. Polarity marked on device body.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STTH10R04DJF and MUR1040, the SFA1006G offers balanced performance: lower V_F than STTH10R04DJF and significantly faster t_rr than MUR1040, plus AEC-Q101 availability-making it optimal for thermally constrained, high-reliability 200–400 kHz power stages.

Availability

SFA1006G is available at Aetrix Electronics and suitable for industrial switch-mode power supplies, automotive DC–DC converters, motor drive freewheeling circuits, and renewable energy inverters requiring stable component supply and long-term manufacturability.

Supply support for SFA1006G 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 rectifiers, TVS diodes, MOSFETs, and bipolar transistors.

The SFA1006G belongs to TSC's SFA100xG super fast rectifier family, engineered specifically for high-efficiency, high-reliability switching power conversion in industrial, automotive, and green energy systems.

FAQ

What is the maximum junction temperature rating for the SFA1006G?

The SFA1006G has a maximum junction temperature (T_J) of +150°C and a minimum of –55°C. This wide operating range supports deployment in harsh environments such as automotive engine compartments and industrial control cabinets. Derating curves in the datasheet specify usable current versus case temperature, and the 3.5 °C/W R_θJC enables effective thermal design when mounted to an appropriately sized heatsink. The SFA1006G maintains stable electrical parameters across this full range.

Is the SFA1006G pin-compatible with other TO-220AC rectifiers like the MUR1040?

Yes, the SFA1006G uses the standard TO-220AC package with identical mechanical footprint, lead spacing, and mounting hole position as MUR1040 and STTH10R04DJF. All three share Anode–Cathode–Tab pinout configuration. However, thermal and electrical behavior differs: SFA1006G offers lower V_F than STTH10R04DJF and faster t_rr than MUR1040, so layout reuse is possible but performance validation is required.

Does the SFA1006G have AEC-Q101 qualification?

The base SFA1006G is not AEC-Q101 qualified, but the SFA1006GH variant is fully AEC-Q101 qualified and tested per stress test conditions including temperature cycling, humidity bias, and high-temperature operating life. The "H" suffix denotes automotive-grade screening. For automotive applications requiring qualification evidence, specify SFA1006GH-not SFA1006G-during procurement and design-in.

What is the reverse recovery time (t_rr) of the SFA1006G and how is it measured?

The SFA1006G has a typical reverse recovery time (t_rr) of 35 ns, measured under standardized conditions: I_F = 0.5 A, I_R = 1.0 A, I_rr = 0.25 A, with specified test circuit per Fig.6 in the datasheet. This value reflects actual switching behavior in hard-commutated circuits and directly impacts turn-off loss and EMI. The 35 ns t_rr is confirmed across production lots and remains stable up to T_J = 125°C.

How does the forward voltage (V_F) of the SFA1006G compare to lower-voltage variants in the same family?

The SFA1006G exhibits a typical V_F of 1.300 V at 10 A and 25°C-higher than SFA1001G–SFA1004G (0.975 V) due to increased V_RRM design trade-offs, but lower than SFA1007G–SFA1008G (1.700 V). This progressive V_F increase across the SFA1001G–SFA1008G family reflects optimized doping and junction depth for each voltage grade. At 100°C junction temperature, V_F drops to ~1.15 V, improving thermal stability in sustained-load applications.