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Taiwan Semiconductor Corporation SFT14GH
- Part No.:
- SFT14GH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- T-18, Axial
- Datasheet:
-
SFT14GH.pdf
- Description:
- DIODE GEN PURP 200V 1A TS-1
- Quantity:
- Payment:
- Shipping:
Inventory:4,987
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Product details
Overview
SFT14GH from Taiwan Semiconductor is a 200V, 1A AEC-Q101-qualified super fast rectifier diode in TS-1 package, featuring 0.95V forward voltage at 1A/25°C, 35ns reverse recovery time, and 30A surge capability - deployed in automotive DC-DC converters and switching inverters requiring high reliability under transient load conditions.
For engineers reviewing the SFT14GH datasheet, SFT14GH pinout, SFT14GH application, or SFT14GH equivalent, key selection criteria include VRRM = 200V, IF = 1A, trr = 35ns, VF = 0.95V, and AEC-Q101 qualification for automotive-grade thermal and mechanical robustness.
Technical Context
This super fast rectifier uses a single-die planar junction structure optimized for low conduction loss and rapid carrier recombination. Its 35ns reverse recovery time enables operation in high-frequency switching topologies up to several hundred kHz without excessive switching loss or ringing.
The TS-1 package provides 100°C/W junction-to-ambient thermal resistance and supports lead-free soldering per J-STD-002. Cathode polarity is marked by a visible band, and the device meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum repetitive reverse blocking voltage; defines usable input voltage range in flyback or boost stages |
| IF | 1 A - Continuous average forward current; sets minimum heatsinking requirement at ambient ≤75°C |
| trr | 35 ns - Reverse recovery time at IF=0.5A, IR=1.0A, Irr=0.25A; enables <500 kHz hard-switched SMPS designs |
| VF | 0.95 V @ 1A, 25°C - Forward voltage drop; determines conduction loss of ~0.95W at full load |
| IFSM | 30 A - Non-repetitive peak surge current (8.3ms half-sine); withstands inrush and fault transients |
| Junction temp | –55°C to +150°C - Operating temperature range; supports under-hood automotive placement |
| CJ | 20 pF @ 1MHz, 4V - Junction capacitance; impacts EMI filtering design and snubber sizing |
Pinout & Package
TS-1 package: molded epoxy case with pure tin-plated leads, cathode-indicated band, 0.200g mass, UL 94V-0 rated compound, and JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry | Connected to lower-potential node (e.g., switch node in buck converter or transformer secondary) |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band; connects to output rail or filter capacitor positive; blocks 200V reverse bias |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and chassis applications including temperature cycling, mechanical shock, and humidity testing |
| Super fast recovery (35 ns) | Reduces switching losses and EMI generation in high-frequency DC-DC converters above 200 kHz |
| Low VF (0.95 V) | Minimizes conduction loss at 1A, improving efficiency in space-constrained 12V/24V automotive systems |
| High IFSM (30 A) | Survives cold-crank surges and short-circuit events without bond wire failure |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and automotive ELV directive for end-of-life recyclability |
Applications
| Automotive DC-DC Converters | Switching Inverters |
|---|---|
Use Scenario: 12V-to-48V bidirectional converter in mild hybrid vehicles with frequent load transients. IC Role / Device Role / Timing Role: Output rectifier in synchronous or asynchronous buck-boost topology handling continuous 1A output. Use Value: 35ns trr prevents shoot-through during high-side/lower-side overlap; 0.95V VF limits thermal rise in sealed enclosures. | Use Scenario: Auxiliary power supply in motor drive inverters converting 400V bus to 15V control rail. IC Role / Device Role / Timing Role: Freewheeling diode across gate driver supply winding or output rectifier in flyback stage. Use Value: 200V VRRM safely blocks reflected spikes; AEC-Q101 rating ensures longevity in vibration-prone traction environments. |
| Freewheeling Diodes | Industrial SMPS |
Use Scenario: Inductive load suppression in solenoid drivers and relay modules in commercial vehicle ECUs. IC Role / Device Role / Timing Role: Clamp path for back-EMF energy during coil de-energization. Use Value: 30A IFSM absorbs 10× rated current pulses without degradation; cathode band enables unambiguous PCB orientation. | Use Scenario: Secondary-side rectification in 50W telecom power supplies operating at 300 kHz. IC Role / Device Role / Timing Role: High-efficiency output rectifier replacing standard FRDs to reduce heat sink size. Use Value: 20pF CJ minimizes capacitive coupling noise into feedback loop; TS-1 footprint allows direct replacement in legacy layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R02U | VRRM = 200V, trr = 30ns, VF = 0.92V, but not AEC-Q101 qualified | Suitable for industrial SMPS where automotive qualification is not required | Select when lower VF and faster trr outweigh automotive compliance needs |
| RB055LAM-40 | VRRM = 40V, IF = 1A, trr = 25ns, AEC-Q101 qualified - lower voltage rating | Limited to 12V system auxiliary rails; cannot replace SFT14GH in 200V-blocking roles | Choose only for low-voltage freewheeling where 200V blocking is unnecessary |
Compared with STTH1R02U and RB055LAM-40, the SFT14GH uniquely delivers AEC-Q101 qualification at 200V blocking with balanced VF/trr trade-off - making it the only drop-in option for automotive 200V rectification where reliability validation is mandatory.
Availability
SFT14GH is available at Aetrix Electronics and suitable for automotive DC-DC converters, switching inverters, and freewheeling applications requiring stable component supply, long-term lifecycle assurance, and traceable AEC-Q101-compliant sourcing.
Supply support for SFT14GH 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 automotive, industrial, and consumer markets since 1979.
The SFT1xG series targets high-reliability power conversion in harsh environments, with the SFT14GH specifically engineered for AEC-Q101-compliant 200V super fast rectification in automotive subsystems.
FAQ
What is the peak repetitive reverse voltage rating for SFT14GH?
The SFT14GH has a peak repetitive reverse voltage (VRRM) rating of 200 V. This value is confirmed in the Absolute Maximum Ratings table on page 2 of the official TSC datasheet (Version J2104), where SFT14GH is explicitly listed under the 200V column. It defines the maximum reverse-bias voltage the device can block continuously without breakdown.
Is SFT14GH qualified to AEC-Q101 standards?
Yes, the "H" suffix in SFT14GH denotes AEC-Q101 qualification. Per the Ordering Information section (page 3), "H" means AEC-Q101 qualified, and the Features list explicitly states "AEC-Q101 qualified available." The device undergoes stress testing including temperature cycling, mechanical shock, and humidity exposure per the AEC-Q101 standard for discrete semiconductors.
What is the forward voltage of SFT14GH at 1A and 25°C?
The forward voltage (VF) of SFT14GH is 0.95 V at IF = 1 A and TJ = 25°C. This value is specified in the Electrical Specifications table (page 2) under the SFT14G row, with note (1) confirming pulse test conditions (PW = 0.3 ms). It is measured with the device at room temperature and represents typical conduction loss under nominal load.
What package type does SFT14GH use, and what are its key mechanical properties?
SFT14GH uses the TS-1 package, a surface-mount molded epoxy case with pure tin-plated leads. Key mechanical properties include UL 94V-0 flammability rating, JESD201 Class 2 whisker resistance, cathode polarity indicated by a band, and a mass of approximately 0.200 g. These are documented in the Mechanical Data section (page 1) and Package Outline Dimensions (page 5).
What is the reverse recovery time (trr) specification for SFT14GH?
The reverse recovery time (trr) for SFT14GH is 35 ns, measured under conditions of IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A, as stated in the Electrical Specifications table (page 2). This parameter confirms its classification as a super fast rectifier and supports high-frequency switching applications up to several hundred kHz.
SFT14GH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- T-18, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 950 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 35 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- 20pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TS-1
- Operating Temperature - Junction:
- -55°C ~ 150°C
SFT14GH FAQ
1.How can I place an order for SFT14GH through Aetrix?
Please submit a Request for Quotation (RFQ) for SFT14GH 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 SFT14GH reliable?
The price and inventory of SFT14GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SFT14GH is usually 5 days.
3.What payment methods are accepted for SFT14GH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SFT14GH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SFT14GH?
SFT14GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SFT14GH 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 SFT14GH?
For technical support, including SFT14GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SFT14GH requirements.
6.How does Aetrix verify that SFT14GH is sourced from the original manufacturer or authorized distributors?
All SFT14GH 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 SFT14GH meets industry standards.
7.What is the process for return or replacement of SFT14GH?
All SFT14GH units undergo pre-shipment inspection (PSI). If there is an issue with SFT14GH, 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 SFT14GH part is unused and in its original packaging.
Return procedure for SFT14GH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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