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Taiwan Semiconductor Corporation SF2005G
- Part No.:
- SF2005G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- TO-220-3
- Datasheet:
-
SF2005G.pdf
- Description:
- DIODE GEN PURP 300V 20A TO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
SF2005G from Taiwan Semiconductor is a 20A, 300V super fast rectifier diode in TO-220AB package, featuring 35ns reverse recovery time, 1.300V forward voltage at 10A/25°C, and 150A surge capability - used in high-frequency DC-DC converters and freewheeling paths where low switching loss is critical.
For engineers reviewing the SF2005G datasheet, SF2005G pinout, SF2005G application, or SF2005G equivalent, key selection factors include its 300V VRRM, dual-die configuration, AEC-Q101 qualification option (SF2005GH), thermal resistance of 2.5°C/W, and compatibility with high-efficiency SMPS designs requiring fast recovery and low conduction loss.
Technical Context
The SF2005G employs a super fast recovery epitaxial structure optimized for switching-mode power supplies operating above 20kHz. Its 35ns trr and 80pF junction capacitance enable minimal switching loss during turn-off transitions in synchronous and quasi-resonant topologies.
Rated for continuous 20A forward current and 150A non-repetitive surge (8.3ms half-sine), it operates across -55°C to +150°C junction temperature range with 2.5°C/W junction-to-case thermal resistance - enabling direct heatsink mounting without thermal interface material in medium-power applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 300 V - maximum repetitive reverse blocking voltage; defines usable input voltage range in boost/flyback stages |
| IF | 20 A - continuous average forward current; supports 200–300W converter output with appropriate heatsinking |
| IFSM | 150 A - single-cycle surge rating; withstands inrush and short-circuit transients in industrial SMPS |
| trr | 35 ns - reverse recovery time; reduces switching losses and EMI in >100kHz converters |
| VF | 1.300 V @ 10A/25°C - forward voltage drop; determines conduction loss and thermal load at rated current |
| RθJC | 2.5 °C/W - junction-to-case thermal resistance; enables direct-mount thermal design with ≤50°C case rise at full load |
| CJ | 80 pF @ 4V - junction capacitance; affects snubber sizing and high-frequency ringing behavior |
Pinout & Package
Package: TO-220AB - insulated case, matte tin-plated leads, UL 94V-0 molding compound, 1.82g weight, polarity marked on device body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Tab) | High-current cathode-side return path | Electrically connected to metal tab; must be isolated from heatsink unless circuit ground reference permits |
| Cathode (Lead 1) | Output node for rectified current | Primary current exit point; routed to output filter capacitor or load |
| NC / Case | Thermal interface only | No electrical connection; serves solely as mechanical and thermal interface to heatsink |
Key Features
| Feature | Design Value |
|---|---|
| Super fast recovery (35ns) | Enables operation in high-frequency SMPS (>100kHz) with reduced switching loss and EMI generation |
| Low VF (1.300V @ 10A) | Lowers conduction loss by ~15% vs. standard fast rectifiers, improving efficiency in 12–48V output stages |
| Dual-die construction | Provides redundancy and thermal distribution across two parallel chips within single TO-220AB footprint |
| AEC-Q101 qualified option (SF2005GH) | Validated for automotive under-hood environments including temperature cycling, vibration, and humidity testing |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU RoHS Directive; suitable for consumer, industrial, and automotive end equipment |
Applications
| DC-DC Converters | Switching Inverters |
|---|---|
Use Scenario: Secondary-side synchronous rectification in isolated 48V-to-12V buck-derived converters for telecom and server PSUs. IC Role / Device Role / Timing Role: Freewheeling diode conducting during low-side switch off-time; handles 20A continuous current with minimal voltage overshoot. Use Value: 35ns trr prevents reverse recovery tail current, reducing cross-conduction loss and improving efficiency by ≥0.8% at 200kHz. | Use Scenario: Output stage freewheeling path in 3kW three-phase motor drive inverters using IGBT modules. IC Role / Device Role / Timing Role: Clamping diode across inductive load; absorbs reactive energy during IGBT turn-off transitions. Use Value: 150A IFSM withstands motor stall surges; 2.5°C/W RθJC allows direct heatsink mounting without thermal paste. |
| Freewheeling Circuits | Industrial SMPS |
Use Scenario: Inductive load flyback protection in PLC output modules driving solenoids and relays. IC Role / Device Role / Timing Role: Unidirectional current path for stored magnetic energy dissipation during coil de-energization. Use Value: 300V VRRM accommodates 24V system transients up to 150V; 1.300V VF limits self-heating during repeated actuation. | Use Scenario: Primary-side auxiliary supply rectification in 1.5kW industrial AC-DC front-end converters. IC Role / Device Role / Timing Role: Input bridge rectifier feeding PFC controller; operates continuously at 20A with forced-air cooling. Use Value: Dual-die layout improves thermal reliability over single-die alternatives; TO-220AB enables standardized heatsink integration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH2003D (STMicroelectronics) | 300V VRRM, 35ns trr, but 1.25V VF @ 10A; TO-220AC package (non-insulated tab) | Requires insulating washer for heatsink mounting; slightly lower conduction loss but identical switching performance | Select when cost sensitivity outweighs insulation requirement and thermal interface simplicity |
| VS-20EWH03-M3 (Vishay) | 300V VRRM, 30ns trr, 1.35V VF @ 10A; TO-247AC package with higher thermal mass | Offers faster recovery but larger footprint and higher VF; better suited for >500W designs with active cooling | Select when ultra-low trr is prioritized over board space and thermal interface simplicity |
Compared with STTH2003D and VS-20EWH03-M3, the SF2005G delivers balanced trade-offs: insulated TO-220AB packaging simplifies heatsink integration, 1.300V VF ensures competitive conduction loss, and 35ns trr meets most 100–300kHz SMPS requirements without over-specifying.
Availability
SF2005G is available at Aetrix Electronics and suitable for DC-DC converters, switching inverters, and industrial SMPS requiring stable component supply with consistent parametric performance and long-term manufacturing continuity.
Supply support for SF2005G 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 SF2001G–SF2008G family was designed specifically for high-efficiency, high-reliability switching power conversion - emphasizing fast recovery, low forward voltage, and robust surge handling in TO-220AB packaging for cost-sensitive yet thermally demanding applications.
FAQ
What is the maximum repetitive peak reverse voltage (VRRM) for SF2005G?
The SF2005G has a VRRM of 300 V, confirmed in the Absolute Maximum Ratings table across all versions I2104 documentation. This rating defines the highest continuous reverse-biased voltage the device can block without breakdown under normal operating conditions and is validated per JEDEC test methods.
Is SF2005G AEC-Q101 qualified?
The base SF2005G is not AEC-Q101 qualified; however, the variant SF2005GH is explicitly listed in the Ordering Information as AEC-Q101 qualified. The "H" suffix denotes automotive-grade qualification, including stress testing for temperature cycling, mechanical shock, and humidity resistance per AEC-Q101 Rev D.
What is the forward voltage (VF) of SF2005G at 10A and 25°C?
The SF2005G exhibits a typical forward voltage of 1.300 V at 10A and 25°C, as specified in the Electrical Specifications table under "Forward voltage per diode" for SF2005G/SF2006G group. This value is measured under pulse conditions (PW = 0.3ms) and represents conduction loss under nominal load conditions.
Does SF2005G have a dual-die configuration?
Yes, the SF2005G uses a dual-die configuration, explicitly stated in the KEY PARAMETERS section. This architecture distributes current and thermal load across two parallel silicon dies within the same TO-220AB package, enhancing reliability and thermal derating capability compared to single-die equivalents.
What is the junction-to-case thermal resistance (RθJC) of SF2005G?
The SF2005G has a typical junction-to-case thermal resistance of 2.5°C/W, as published in the THERMAL PERFORMANCE section. This value is measured under standard JEDEC conditions and enables accurate heatsink sizing for applications operating up to 20A continuous current with controlled case temperature rise.
SF2005G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 300 V
- Current - Average Rectified (Io):
- 20A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 10 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 35 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 300 V
- Capacitance @ Vr, F:
- 80pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AB
- Operating Temperature - Junction:
- -55°C ~ 150°C
SF2005G FAQ
1.How can I place an order for SF2005G through Aetrix?
Please submit a Request for Quotation (RFQ) for SF2005G 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 SF2005G reliable?
The price and inventory of SF2005G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SF2005G is usually 5 days.
3.What payment methods are accepted for SF2005G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SF2005G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SF2005G?
SF2005G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SF2005G 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 SF2005G?
For technical support, including SF2005G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SF2005G requirements.
6.How does Aetrix verify that SF2005G is sourced from the original manufacturer or authorized distributors?
All SF2005G 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 SF2005G meets industry standards.
7.What is the process for return or replacement of SF2005G?
All SF2005G units undergo pre-shipment inspection (PSI). If there is an issue with SF2005G, 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 SF2005G part is unused and in its original packaging.
Return procedure for SF2005G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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