Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Diode Arrays

Taiwan Semiconductor Corporation SF1001G

Name: SF1001G
Brand: Taiwan Semiconductor Corporation
SKU: SF1001G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: SF1001G

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Diode Arrays

Package:: TO-220-3

Datasheet:: SF1001G.pdf

Description:: DIODE ARRAY GP 50V 10A TO-220AB

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:3,546

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

SF1001G from Taiwan Semiconductor is a 10A, 50V super fast recovery rectifier diode in TO-220AB package, featuring 35ns reverse recovery time, 0.975V forward voltage at 5A/25°C, and 125A surge capability-used in DC-DC converters and freewheeling paths where low conduction loss and fast switching are critical.

For engineers reviewing the SF1001G datasheet, SF1001G pinout, SF1001G application, or SF1001G equivalent, key selection factors include its 50V V_RRM, dual-die configuration, AEC-Q101 qualification option (SF1001GH), thermal resistance of 3.5°C/W, and junction temperature rating up to +150°C.

Technical Context

The SF1001G employs a super fast recovery epitaxial structure optimized for high-frequency switching power supplies. Its 35ns trr and low 0.975V VF at 5A enable reduced switching losses and improved efficiency in SMPS topologies operating above 50kHz.

Rated for 10A average forward current with 125A non-repetitive surge (8.3ms half-sine), it supports robust operation under transient load conditions. The TO-220AB package provides mechanical stability and thermal path integrity with 3.5°C/W R_θJC.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	50 V - Maximum repetitive reverse voltage; defines safe blocking range in DC-DC flyback or buck freewheeling legs
I_F	10 A - Continuous forward current rating; sets minimum heatsink sizing for steady-state conduction
I_FSM	125 A - Single-cycle surge rating; enables survival during output short-circuit or startup inverter inrush
t_rr	35 ns - Reverse recovery time; limits switching loss and EMI generation in >100kHz converters
V_F	0.975 V @ 5A, 25°C - Forward voltage drop; directly determines conduction loss and thermal rise at rated load
R_θJC	3.5 °C/W - Junction-to-case thermal resistance; enables accurate case temperature prediction for thermal design
Junction Temp	–55°C to +150°C - Operating range; supports industrial and automotive under-hood environments

Pinout & Package

TO-220AB package with 3-terminal configuration: Anode, Cathode, and Case (electrically connected to Cathode). Matte tin-plated leads meet J-STD-002 solderability; polarity marked on device body.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Input current entry point	Connected to high-side switch node or transformer secondary in flyback/freewheeling paths
Cathode	Output current exit point	Common return path; electrically tied to metal tab for thermal and electrical grounding
Case (Tab)	Cathode terminal & thermal interface	Must be electrically isolated from heatsink unless circuit design intentionally grounds cathode; primary heat dissipation path

Key Features

Feature	Design Value
Super fast recovery (35ns)	Enables efficient operation in high-frequency SMPS (>100kHz) without excessive switching loss or ringing
Low forward voltage (0.975V)	Reduces conduction loss by ~15% vs. standard FRDs at 5A, lowering thermal stress in compact layouts
Dual-die construction	Improves current sharing and thermal distribution across die area, enhancing reliability under cyclic stress
AEC-Q101 qualified variant available	Supports automotive-grade deployment in engine control modules and ADAS power stages when ordered as SF1001GH
RoHS & halogen-free	Meets IEC 61249-2-21 compliance for environmentally restricted electronics manufacturing

Applications

DC-DC Converters	Switching Inverters
Use Scenario: Secondary-side rectification in isolated 48V-to-12V buck-derived DC-DC modules for telecom and server PSUs. IC Role / Device Role / Timing Role: Super fast rectifier replacing Schottky diodes where higher V_RRM margin and lower leakage are required. Use Value: 35ns t_rr minimizes reverse recovery charge (Q_rr), reducing MOSFET turn-on loss and improving overall efficiency by 0.8–1.2% at 200kHz.	Use Scenario: Freewheeling path in three-phase motor drive inverters handling 10A continuous phase current. IC Role / Device Role / Timing Role: Clamp diode across IGBTs to absorb inductive kickback energy during switching transitions. Use Value: 125A I_FSM withstands peak regeneration surges; 150°C T_JMAX ensures stable operation under 85°C ambient with forced air cooling.
Freewheeling Diodes	Industrial Power Supplies
Use Scenario: Inductor flyback path in synchronous buck regulators powering FPGA core rails. IC Role / Device Role / Timing Role: Unidirectional current path enabling energy transfer from inductor to output capacitor during high-side FET off-time. Use Value: 0.975V V_F lowers average conduction loss versus 1.1V alternatives, reducing thermal footprint by ~1.8W at 10A.	Use Scenario: Output rectification in 500W industrial AC-DC front-end with PFC stage followed by LLC resonant converter. IC Role / Device Role / Timing Role: High-current output diode in secondary synchronous rectification or auxiliary supply winding. Use Value: TO-220AB package with 3.5°C/W R_θJC allows direct mounting to aluminum chassis, eliminating need for additional thermal interface material.

DC-DC Converters

Switching Inverters

Use Scenario: Secondary-side rectification in isolated 48V-to-12V buck-derived DC-DC modules for telecom and server PSUs.

IC Role / Device Role / Timing Role: Super fast rectifier replacing Schottky diodes where higher V_RRM margin and lower leakage are required.

Use Value: 35ns t_rr minimizes reverse recovery charge (Q_rr), reducing MOSFET turn-on loss and improving overall efficiency by 0.8–1.2% at 200kHz.

Use Scenario: Freewheeling path in three-phase motor drive inverters handling 10A continuous phase current.

IC Role / Device Role / Timing Role: Clamp diode across IGBTs to absorb inductive kickback energy during switching transitions.

Use Value: 125A I_FSM withstands peak regeneration surges; 150°C T_JMAX ensures stable operation under 85°C ambient with forced air cooling.

Freewheeling Diodes

Industrial Power Supplies

Use Scenario: Inductor flyback path in synchronous buck regulators powering FPGA core rails.

IC Role / Device Role / Timing Role: Unidirectional current path enabling energy transfer from inductor to output capacitor during high-side FET off-time.

Use Value: 0.975V V_F lowers average conduction loss versus 1.1V alternatives, reducing thermal footprint by ~1.8W at 10A.

Use Scenario: Output rectification in 500W industrial AC-DC front-end with PFC stage followed by LLC resonant converter.

IC Role / Device Role / Timing Role: High-current output diode in secondary synchronous rectification or auxiliary supply winding.

Use Value: TO-220AB package with 3.5°C/W R_θJC allows direct mounting to aluminum chassis, eliminating need for additional thermal interface material.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH10R06DJF	600V V_RRM, 35ns t_rr, 1.15V V_F @ 5A - higher voltage rating but higher forward drop	Used in universal-input PFC stages; less optimal for 50V systems due to excess voltage margin and higher conduction loss	Select when system requires >100V blocking or shares BOM with higher-voltage variants
ON Semi MUR1050CT	Dual common-cathode configuration, 50V V_RRM, 35ns t_rr, 0.92V V_F - lower V_F but TO-220AC package with isolated tab	Preferred in dual-output supplies requiring independent cathode routing; no case-to-cathode short	Choose when circuit layout requires electrically isolated cathode terminals or dual-channel rectification

Compared with STTH10R06DJF and MUR1050CT, the SF1001G offers the lowest forward voltage among 50V-rated super fast rectifiers in TO-220AB with cathode-tied tab, optimizing thermal performance in space-constrained industrial converters where tab grounding simplifies heatsinking.

Availability

SF1001G is available at Aetrix Electronics and suitable for DC-DC converters, switching inverters, and freewheeling diode applications requiring stable component supply, consistent parametric performance, and long-term industrial lifecycle support.

Supply support for SF1001G 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 devices, and MOSFETs for industrial and automotive markets.

The SF1001G belongs to TSC's SF-series super fast rectifier family, engineered specifically for high-efficiency, high-frequency switching power conversion in industrial SMPS, motor drives, and renewable energy interfaces.

FAQ

What is the maximum junction temperature rating for the SF1001G?

The SF1001G has a maximum junction temperature (T_JMAX) of +150°C, allowing reliable operation in demanding industrial environments such as enclosed power supplies or under-hood automotive auxiliary systems. This rating is validated per JEDEC standards and supports derating curves up to 125°C case temperature at full 10A load. Thermal design must account for R_θJC = 3.5°C/W and ambient conditions to ensure SF1001G stays within this limit.

Is the SF1001G pin-compatible with other TO-220AB rectifiers like the 1N5408?

No, the SF1001G is not functionally or thermally interchangeable with general-purpose rectifiers like the 1N5408. While both use TO-220AB, the SF1001G is a super fast recovery device (35ns t_rr, 0.975V V_F) versus the 1N5408's slow recovery (2000ns t_rr, 1.2V V_F). Substituting SF1001G into legacy designs may cause instability or EMI if snubbing is not re-optimized. Always verify layout and drive conditions before replacement.

Does the SF1001G have automotive qualification?

The base SF1001G is not AEC-Q101 qualified, but Taiwan Semiconductor offers the SF1001GH variant-identical electrically and mechanically-with full AEC-Q101 stress testing for automotive applications. The "H" suffix denotes qualification; SF1001GH is used in engine control units and ADAS power modules where automotive reliability and traceability are mandatory. Standard SF1001G remains suited for industrial and commercial use.

What is the reverse leakage current specification for the SF1001G at elevated temperature?

At 100°C junction temperature and rated 50V reverse voltage, the SF1001G exhibits a maximum reverse leakage current (I_R) of 400 µA per diode, as specified in the electrical characteristics table. This value is measured under pulse conditions (PW = 30ms) and reflects typical behavior for super fast rectifiers in high-temp operation. At 25°C, leakage is ≤10 µA, supporting low-power standby modes in energy-sensitive systems using SF1001G.

How does the dual-die configuration of the SF1001G affect its thermal and electrical performance?

The SF1001G uses dual-die construction to improve current sharing uniformity and reduce localized heating under high DC load. This architecture lowers effective thermal resistance across the silicon area and enhances surge current handling consistency. Electrically, it maintains identical V_F and t_rr specs as single-die equivalents but delivers better long-term reliability in thermally cycled applications-particularly valuable in SF1001G deployments in 24/7 industrial power supplies.

SF1001G Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: TO-220-3

Packaging:: Tube

Product Status:: Active

Diode Configuration:: 1 Pair Common Cathode

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 50 V

Current - Average Rectified (Io) (per Diode):: 10A

Voltage - Forward (Vf) (Max) @ If:: 975 mV @ 5 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: 35 ns

Current - Reverse Leakage @ Vr:: 10 µA @ 50 V

Operating Temperature - Junction:: -55°C ~ 150°C

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220AB

SF1001G FAQ

1.How can I place an order for SF1001G through Aetrix?

Please submit a Request for Quotation (RFQ) for SF1001G on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for SF1001G reliable?

The price and inventory of SF1001G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SF1001G is usually 5 days.

3.What payment methods are accepted for SF1001G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SF1001G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SF1001G?

SF1001G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SF1001G order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for SF1001G?

For technical support, including SF1001G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SF1001G requirements.

6.How does Aetrix verify that SF1001G is sourced from the original manufacturer or authorized distributors?

All SF1001G products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SF1001G meets industry standards.

7.What is the process for return or replacement of SF1001G?

All SF1001G units undergo pre-shipment inspection (PSI). If there is an issue with SF1001G, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The SF1001G part is unused and in its original packaging.

Return procedure for SF1001G:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-09 Counterfeit Electronic Components: How to Detect, Authenticate, and Test Suspect Parts

Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …

2026-09-08 Obsolete Electronic Components: How to Source and Evaluate Replacements

A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…