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Taiwan Semiconductor Corporation SFF1001GA
- Part No.:
- SFF1001GA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Diode Arrays
- Package:
- TO-220-3 Full Pack, Isolated Tab
- Datasheet:
-
SFF1001GA.pdf
- Description:
- DIODE ARRAY GP 50V 10A ITO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,772
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Product details
Overview
SFF1001GA from Taiwan Semiconductor is a 10A, 50V repetitive peak reverse voltage super fast rectifier diode in ITO-220AB package, featuring 35ns reverse recovery time, 0.975V max forward voltage at 5A/25°C, and AEC-Q101 qualification option (SFF1001GAH), used in DC-DC converters and switching-mode power supplies.
For engineers reviewing the SFF1001GA datasheet, SFF1001GA pinout, SFF1001GA application, or SFF1001GA equivalent, key selection criteria include VRRM=50V, IFSM=125A, RθJC=8°C/W, TJ(max)=150°C, and dual-die configuration for high-current freewheeling paths in automotive and industrial SMPS designs.
Technical Context
The SFF1001GA implements a single-phase, dual-die super fast recovery rectifier architecture optimized for low conduction loss and rapid turn-off. Its 35ns trr and 0.975V VF at 5A enable high-frequency operation up to 100kHz in hard-switched topologies.
Thermally, it delivers 8°C/W junction-to-case resistance with a 1.80g ITO-220AB package rated for -55°C to +150°C junction temperature, supporting direct heatsink mounting via its insulated tab and matte tin-plated leads compliant with J-STD-002.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum non-repetitive reverse blocking voltage; defines minimum input/output isolation margin in 12–24V DC-DC stages |
| IF | 10 A - Continuous average forward current; supports sustained 10A output in buck-derived converters without derating below 100°C case temp |
| IFSM | 125 A - Single half-sine surge rating (8.3ms); withstands inrush and short-circuit transients in motor drive snubbers |
| trr | 35 ns - Measured at IF=0.5A, IR=1.0A, Irr=0.25A; enables efficient operation in 50–100kHz switching converters with minimal switching loss |
| VF | 0.975 V max at IF=5A, TJ=25°C - Low conduction drop reduces power loss to ≤4.875W per diode at 5A, critical for thermal management |
| RθJC | 8 °C/W - Thermal resistance from junction to case; allows ~12.5W dissipation before reaching 150°C junction at 25°C heatsink |
| CJ | 70 pF at 1MHz, VR=4V - Junction capacitance impacts EMI and ringing in high-dv/dt flyback snubbers |
Pinout & Package
ITO-220AB package with insulated metal tab, matte tin-plated leads, UL 94V-0 molding compound, and polarity marking as indicated on device body. Mounting torque ≤0.56 N·m.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Forward current entry point | Connected to switching node in freewheeling path; must handle full load current and transient surges |
| Cathode (Lead 2) | Forward current exit point | Typically tied to output rail or ground return; low-inductance layout required to minimize voltage overshoot |
| Case / Tab | Electrically isolated thermal path | Provides mechanical mounting surface and thermal conduction to heatsink; electrically isolated per ITO-220AB construction |
Key Features
| Feature | Design Value |
|---|---|
| Super fast recovery (trr = 35 ns) | Enables high-frequency switching (>50 kHz) with minimal reverse recovery loss and reduced EMI generation |
| Low VF (0.975 V max @ 5A) | Lowers conduction losses by ~15% vs. standard fast rectifiers, improving efficiency in 12V–48V output converters |
| Dual-die configuration | Provides parallel internal die structure for enhanced current sharing and reliability under asymmetric thermal stress |
| AEC-Q101 qualified variant available (SFF1001GAH) | Validated for automotive under-hood applications including engine control modules and ADAS power supplies |
| UL Recognized (E326243) & RoHS/halogen-free | Meets safety and environmental compliance for industrial and consumer end-equipment certifications |
Applications
| DC-DC Converters | Switching Inverters |
|---|---|
Use Scenario: Step-down (buck) and synchronous rectification in 12V/24V automotive and telecom power supplies. IC Role / Device Role / Timing Role: Freewheeling diode in non-synchronous buck stage; handles reverse recovery during high-side FET turn-on. Use Value: 35ns trr minimizes shoot-through risk and reduces switching loss by limiting reverse recovery charge (Qrr), directly improving converter efficiency at 100kHz. | Use Scenario: Output stage of single-phase motor inverters and UPS systems operating at 20–50kHz. IC Role / Device Role / Timing Role: Anti-parallel diode across IGBTs/MOSFETs for reactive current commutation and energy recycling. Use Value: 125A IFSM withstands motor stall currents; low VF reduces conduction loss during continuous regeneration cycles. |
| Freewheeling Circuits | Industrial SMPS |
Use Scenario: Inductive load suppression in solenoid drivers, relay coils, and transformer-based isolation circuits. IC Role / Device Role / Timing Role: Clamp diode providing low-impedance path for stored inductive energy during switch turn-off. Use Value: Fast trr ensures rapid voltage clamping (<100ns), preventing voltage spikes >2×VRRM that could damage driving transistors. | Use Scenario: Primary-side auxiliary supply and secondary-side output rectification in DIN-rail mounted 24–48V industrial PSUs. IC Role / Device Role / Timing Role: Main output rectifier delivering 10A continuous current with thermal stability under 40°C ambient rise. Use Value: 8°C/W RθJC enables direct heatsink mounting without thermal interface pads, simplifying mechanical design and reducing BOM cost. |
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 | VRRM=60V, VF=0.95V@5A, trr=30ns, TO-220AC package (non-insulated tab) | Non-isolated tab requires insulating hardware; slightly faster trr but lower VRRM margin for 50V bus designs | Prefer when board-level insulation is already implemented and sub-30ns trr is prioritized over mechanical simplicity |
| ON Semi MUR1050CT | VRRM=50V, IF=10A, trr=35ns, VF=0.92V@5A, TO-220AB (insulated tab), dual common-cathode | Identical VRRM/IF/trr; lower VF improves efficiency but common-cathode topology limits single-diode use cases | Select when dual-output or shared-cathode layout is required; verify pin compatibility against ITO-220AB footprint |
Compared with STTH10R06DJF and MUR1050CT, the SFF1001GA offers superior thermal resistance (8°C/W vs. ≥10°C/W), AEC-Q101 qualification path, and UL recognition-making it preferred for thermally constrained or automotive-grade deployments where reliability and certification matter.
Availability
SFF1001GA is available at Aetrix Electronics and suitable for DC-DC converters, switching inverters, and freewheeling circuits requiring stable component supply, automotive-grade traceability, and long-term industrial lifecycle support.
Supply support for SFF1001GA 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, serving global industrial, automotive, and computing markets since 1979.
The SFF1001GA 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 junction temperature rating for the SFF1001GA?
The SFF1001GA has a maximum junction temperature (TJ) rating of +150°C, verified per absolute maximum ratings in the E2105 datasheet. This allows operation in high-ambient environments such as under-hood automotive locations or enclosed industrial enclosures, provided thermal design maintains junction temperature below this limit using its 8°C/W RθJC and ITO-220AB heatsink interface. The SFF1001GA must not exceed this value even during transient overload conditions.
Is the SFF1001GA pin-compatible with other devices in the SFF100xGA series?
Yes, all SFF100xGA variants-including SFF1001GA through SFF1008GA-share identical ITO-220AB packaging, pinout (Anode/Cathode/Insulated Tab), and mechanical dimensions. Voltage rating differences (50V to 600V) do not affect physical compatibility, enabling drop-in replacement during design iteration or voltage-scaling upgrades without PCB modification. The SFF1001GA retains full mechanical and thermal interchangeability across the family.
Does the SFF1001GA meet automotive qualification standards?
The base SFF1001GA is not AEC-Q101 qualified; however, the SFF1001GAH variant-identical in all electrical and thermal specifications-is explicitly qualified per AEC-Q101 Rev D for stress testing including HTGB, TC, AC, and UHAST. For automotive applications requiring qualification evidence, specify SFF1001GAH. The SFF1001GA itself remains suitable for non-automotive industrial use where qualification is not mandated.
What is the reverse recovery time (trr) test condition for the SFF1001GA?
The SFF1001GA reverse recovery time is specified as 35ns maximum, measured under the standardized condition: IF = 0.5A, IR = 1.0A, Irr = 0.25A, per JEDEC JESD24-11. This reflects real-world switching behavior in hard-commutated topologies. The SFF1001GA maintains this trr across its full operating temperature range, with no degradation up to TJ = 125°C as confirmed in the E2105 characterization curves.
How does the dual-die configuration of the SFF1001GA improve reliability?
The SFF1001GA uses a dual-die configuration within a single ITO-220AB package to distribute current and thermal stress across two paralleled silicon dies. This design reduces localized heating, improves current sharing under dynamic loads, and increases tolerance to single-die failure modes-enhancing mean time between failures (MTBF) in high-duty-cycle applications. The SFF1001GA's dual-die architecture is validated in accelerated life testing and contributes to its AEC-Q101 qualification path for the SFF1001GAH variant.
SFF1001GA 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 Anode
- 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:
- ITO-220AB
SFF1001GA FAQ
1.How can I place an order for SFF1001GA through Aetrix?
Please submit a Request for Quotation (RFQ) for SFF1001GA 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 SFF1001GA reliable?
The price and inventory of SFF1001GA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SFF1001GA is usually 5 days.
3.What payment methods are accepted for SFF1001GA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SFF1001GA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SFF1001GA?
SFF1001GA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SFF1001GA 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 SFF1001GA?
For technical support, including SFF1001GA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SFF1001GA requirements.
6.How does Aetrix verify that SFF1001GA is sourced from the original manufacturer or authorized distributors?
All SFF1001GA 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 SFF1001GA meets industry standards.
7.What is the process for return or replacement of SFF1001GA?
All SFF1001GA units undergo pre-shipment inspection (PSI). If there is an issue with SFF1001GA, 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 SFF1001GA part is unused and in its original packaging.
Return procedure for SFF1001GA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SFF1001GA Tags
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