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Taiwan Semiconductor Corporation SFF1003G
- Part No.:
- SFF1003G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Diode Arrays
- Package:
- TO-220-3 Full Pack, Isolated Tab
- Datasheet:
-
SFF1003G.pdf
- Description:
- DIODE ARRAY GP 150V 10A ITO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,260
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Product details
Overview
SFF1003G from Taiwan Semiconductor is a 150 V, 10 A super fast recovery rectifier diode in ITO-220AB package, featuring 35 ns reverse recovery time and 0.975 V forward voltage at 5 A/25°C, used in freewheeling and DC-DC converter power stages.
For engineers reviewing the SFF1003G datasheet, SFF1003G pinout, SFF1003G application, or SFF1003G equivalent, key selection criteria include repetitive peak reverse voltage (150 V), surge current rating (125 A), junction-to-case thermal resistance (2 °C/W), AEC-Q101 qualification availability, and dual-die configuration for high-reliability power conversion designs.
Technical Context
The SFF1003G implements a single silicon die configured as a standard polarity super fast rectifier with soft recovery characteristics optimized for switching-mode power supplies. Its 35 ns trr and low VF enable reduced switching losses in high-frequency converters operating up to several hundred kHz.
Thermally, the ITO-220AB package delivers 2 °C/W junction-to-case resistance, supporting continuous 10 A conduction at case temperatures ≤100°C. The device operates across –55°C to +150°C junction range and meets JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 150 V - Maximum non-repetitive reverse blocking voltage; defines usable input voltage headroom in buck or flyback secondary-side rectification |
| IF | 10 A - Continuous average forward current at TC = 100°C; sets baseline conduction capability without derating |
| IFSM | 125 A - Peak non-repetitive surge current (8.3 ms half-sine); supports inrush and fault-current handling in SMPS startup |
| VF | 0.975 V @ 5 A, 25°C - Forward drop per diode; directly determines conduction loss and thermal load at nominal load |
| trr | 35 ns - Reverse recovery time; enables efficient operation in 100–500 kHz switching topologies with minimal switching loss |
| RθJC | 2 °C/W - Junction-to-case thermal resistance; allows accurate heatsink sizing when mounted with 0.56 N·m torque |
| Junction Temp | –55°C to +150°C - Operating temperature envelope; supports under-hood automotive and industrial ambient conditions |
Pinout & Package
Package: ITO-220AB - Insulated TO-220 variant with internal isolation barrier, matte tin-plated leads compliant with J-STD-002, UL 94V-0 molding compound, and 1.70 g typical weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal | Connected to switch node or transformer secondary winding; must withstand full reverse voltage during off-state |
| Cathode | Current exit terminal | Connected to output rail or ground return path; carries full load current and requires low-inductance layout |
| Case / Tab | Electrically isolated thermal path | Provides mechanical mounting and heat transfer to heatsink; electrically isolated from both terminals per ITO construction |
Key Features
| Feature | Design Value |
|---|---|
| Super fast recovery | 35 ns trr enables high-frequency SMPS operation with minimized reverse recovery loss and EMI |
| Low forward voltage | 0.975 V @ 5 A reduces conduction loss by ~15% vs. standard fast rectifiers at same current |
| Dual-die configuration | Single-package integration of two independent dies improves reliability margin and thermal distribution |
| AEC-Q101 qualified option | SFF1003GH variant available for automotive power modules requiring stress-tested component validation |
| UL Recognized | File #E-326243 confirms compliance with UL 60747-4 for discrete semiconductor devices |
Applications
| DC-DC Converter Secondary Rectification | Switching Inverter Freewheeling |
|---|---|
Use Scenario: Used on secondary side of isolated DC-DC converters (e.g., forward, LLC) delivering 12–48 V outputs at up to 10 A. IC Role / Device Role / Timing Role: Power rectifier converting high-frequency AC from transformer into regulated DC output. Use Value: 35 ns trr and 0.975 V VF reduce switching and conduction losses, improving efficiency by ≥1.2% over standard fast diodes at 250 kHz. | Use Scenario: Placed across inductive loads (e.g., motor windings, solenoids) in H-bridge inverters to clamp inductive kickback. IC Role / Device Role / Timing Role: Freewheeling diode providing low-impedance return path during MOSFET off-time. Use Value: 125 A IFSM safely handles transient energy spikes; 2 °C/W RθJC ensures stable operation under repeated surge conditions. |
| Automotive On-Board Charger (OBC) | Industrial AC-DC Front-End |
Use Scenario: Employed in bidirectional OBC PFC and DC-DC stages where AEC-Q101 compliance and thermal robustness are mandatory. IC Role / Device Role / Timing Role: High-reliability rectifier in high-voltage DC link and isolated battery charging paths. Use Value: –55°C to +150°C TJ range and JESD201 Class 2 whisker resistance support under-hood deployment without derating. | Use Scenario: Integrated into industrial 3-phase rectifier bridges or auxiliary power supplies requiring long-life, high-surge tolerance. IC Role / Device Role / Timing Role: Main or auxiliary rectifier handling line-frequency or high-frequency rectification in 24–48 V systems. Use Value: UL Recognition and halogen-free construction meet safety and environmental requirements for factory automation equipment. |
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 | 600 V VRRM, 35 ns trr, 1.15 V VF @ 5 A - higher voltage rating but higher forward drop | Preferred in 400–600 V bus applications; less optimal for 150 V systems due to excess voltage margin and higher conduction loss | Select when system requires >300 V reverse blocking or legacy ST design reuse |
| VS-10EWH06-M3 | 60 V VRRM, 30 ns trr, 0.87 V VF @ 5 A - lower voltage, faster recovery, lower VF | Suitable only for ≤60 V circuits; not interchangeable in 150 V designs due to insufficient reverse rating | Choose for low-voltage, ultra-fast recovery needs where VRRM ≤ 60 V is sufficient |
Compared with STTH10R06DJF and VS-10EWH06-M3, the SFF1003G offers optimal balance of 150 V blocking, 0.975 V forward drop, and 35 ns recovery for mid-voltage SMPS - avoiding unnecessary voltage overhead or inadequate rating while maintaining thermal and surge robustness.
Availability
SFF1003G is available at Aetrix Electronics and suitable for DC-DC converters, switching inverters, and automotive on-board chargers requiring stable component supply, consistent parametric performance, and traceable manufacturing origin.
Supply support for SFF1003G 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 discrete manufacturer headquartered in Hsinchu, Taiwan, serving global industrial, computing, and automotive markets since 1979.
The SFF1003G belongs to TSC's Super Fast Rectifier family, engineered specifically for high-efficiency, high-reliability power conversion in space-constrained and thermally demanding environments.
FAQ
What is the maximum repetitive peak reverse voltage rating for the SFF1003G?
The SFF1003G has a maximum repetitive peak reverse voltage (VRRM) of 150 V, as specified in the Absolute Maximum Ratings table. This value defines the highest reverse-biased voltage the device can block continuously without breakdown and is validated across the full operating temperature range.
Is the SFF1003G pin-compatible with other devices in the SFF1001G–SFF1008G series?
Yes, all SFF1001G through SFF1008G devices share identical ITO-220AB packaging, pinout, and mechanical footprint. The SFF1003G uses the same anode–cathode–isolated tab configuration and mounting dimensions as its siblings, enabling direct substitution within the same voltage class when thermal and electrical margins allow.
Does the SFF1003G have AEC-Q101 qualification?
The base SFF1003G is not AEC-Q101 qualified; however, the SFF1003GH variant - indicated by the "H" suffix in the ordering code - is fully AEC-Q101 qualified and tested per stress test conditions for automotive power applications.
What is the typical forward voltage of the SFF1003G at rated current?
The SFF1003G exhibits a typical forward voltage (VF) of 0.975 V at 5 A and 25°C junction temperature, as measured under pulsed conditions (PW = 0.3 ms). At full rated 10 A, VF increases to approximately 1.15 V based on the device's forward characteristic curve.
How does the thermal performance of the SFF1003G compare to standard TO-220 rectifiers?
The SFF1003G's ITO-220AB package achieves a junction-to-case thermal resistance (RθJC) of 2 °C/W - matching or better than most standard TO-220 rectifiers - due to optimized die attach and copper leadframe design, enabling higher sustained current in thermally constrained layouts.
SFF1003G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-220-3 Full Pack, Isolated Tab
- Packaging:
- Tube
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 150 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 @ 150 V
- Operating Temperature - Junction:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- ITO-220AB
SFF1003G FAQ
1.How can I place an order for SFF1003G through Aetrix?
Please submit a Request for Quotation (RFQ) for SFF1003G 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 SFF1003G reliable?
The price and inventory of SFF1003G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SFF1003G is usually 5 days.
3.What payment methods are accepted for SFF1003G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SFF1003G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SFF1003G?
SFF1003G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SFF1003G 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 SFF1003G?
For technical support, including SFF1003G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SFF1003G requirements.
6.How does Aetrix verify that SFF1003G is sourced from the original manufacturer or authorized distributors?
All SFF1003G 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 SFF1003G meets industry standards.
7.What is the process for return or replacement of SFF1003G?
All SFF1003G units undergo pre-shipment inspection (PSI). If there is an issue with SFF1003G, 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 SFF1003G part is unused and in its original packaging.
Return procedure for SFF1003G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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