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Taiwan Semiconductor Corporation SFT12GHR0G
- Part No.:
- SFT12GHR0G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- T-18, Axial
- Datasheet:
-
SFT12GHR0G.pdf
- Description:
- DIODE GEN PURP 100V 1A TS-1
- Quantity:
- Payment:
- Shipping:
Inventory:5,049
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Product details
Overview
SFT12GHR0G from Taiwan Semiconductor is a 1 A, 100 V repetitive peak reverse voltage super fast rectifier diode in TS-1 package, featuring 35 ns reverse recovery time, 0.95 V forward voltage at 1 A and 25°C, and AEC-Q101 qualification for automotive-grade reliability. It serves as a freewheeling or output rectifier in DC-DC converters and switching inverters where low conduction loss and fast switching are required.
For engineers reviewing the SFT12GHR0G datasheet, SFT12GHR0G pinout, SFT12GHR0G application, or SFT12GHR0G equivalent, key selection criteria include its 100 V VRRM rating, 30 A IFSM surge capability, TS-1 surface-mount package compatibility, and AEC-Q101 qualification status for automotive power systems.
Technical Context
This super fast rectifier uses a single-die silicon PN junction optimized for low VF and short trr. Its 35 ns reverse recovery time enables high-frequency operation up to several hundred kHz in SMPS topologies, while the 100°C/W junction-to-ambient thermal resistance requires careful PCB copper area design for thermal management at full 1 A continuous current.
The device operates across –55°C to +150°C junction temperature range and exhibits only 5 µA reverse leakage at 25°C and rated VR, rising to 100 µA at 125°C - critical for maintaining efficiency in thermally stressed environments such as under-hood automotive modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - maximum non-repetitive reverse blocking voltage; defines safe operating limit in flyback or buck converter output stage |
| IF | 1 A - average forward current rating at TA = 75°C; derates linearly above that ambient per Fig.1 |
| IFSM | 30 A - peak non-repetitive surge current (8.3 ms half-sine); supports inrush and fault-current handling |
| VF @ 1A, 25°C | 0.95 V - forward voltage drop determining conduction loss and thermal dissipation at nominal load |
| trr | 35 ns - reverse recovery time measured at IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A; enables efficient >200 kHz switching |
| CJ @ 1 MHz, 4 V | 20 pF - junction capacitance affecting high-frequency noise and EMI in snubberless designs |
| TJ max | +150°C - maximum junction temperature; sets upper thermal boundary for reliability margin in sealed enclosures |
Pinout & Package
TS-1 package: surface-mount, single-ended anode-cathode configuration with cathode band marking; lead-free, pure tin-plated terminals compliant with J-STD-002 solderability; UL 94V-0 molding compound; 0.200 g typical weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential node (e.g., switch node in buck, secondary winding in flyback) |
| Cathode | Forward current exit point | Connected to output rail or filter capacitor; marked by visible cathode band on package body |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive power electronics including engine control units and ADAS power supplies |
| Super fast recovery (trr ≤ 35 ns) | Reduces switching losses and EMI generation in high-frequency DC-DC converters (>200 kHz) |
| Low VF (0.95 V @ 1 A) | Lowers conduction loss to ~0.95 W at full load, easing thermal design versus standard FR/UF diodes |
| High IFSM (30 A) | Withstands transient overloads without failure - essential for industrial motor drive clamp circuits |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and global environmental compliance requirements for automotive OEMs |
Applications
| Automotive DC-DC Converters | Industrial Switch-Mode Power Supplies |
|---|---|
Use Scenario: 12 V to 5 V/3.3 V step-down conversion in vehicle infotainment and body control modules. IC Role / Device Role / Timing Role: Output rectifier in synchronous or quasi-resonant buck converter, conducting during low-side switch off-time. Use Value: AEC-Q101 qualification ensures lifetime reliability under automotive thermal cycling; 35 ns trr minimizes cross-conduction loss with MOSFET switches. | Use Scenario: Secondary-side rectification in 24 V input industrial SMPS for PLC I/O modules. IC Role / Device Role / Timing Role: Freewheeling diode in flyback or forward converter output stage, clamping inductive kickback. Use Value: 30 A IFSM withstands repeated startup surges; 0.95 V VF reduces heat sink requirements in compact enclosures. |
| LED Driver Power Stages | Renewable Energy Inverters |
Use Scenario: Constant-current regulation in isolated LED drivers for street lighting and signage. IC Role / Device Role / Timing Role: High-side rectifier in secondary synchronous rectification or passive rectification path. Use Value: 20 pF junction capacitance limits high-frequency ringing; low IR (<5 µA) prevents standby power leakage. | Use Scenario: Auxiliary power supply rectification in solar micro-inverter control boards. IC Role / Device Role / Timing Role: Input bridge or output rectifier in isolated auxiliary DC-DC for gate drivers and sensing circuitry. Use Value: TS-1 package enables automated placement; 150°C TJ max supports operation near PV inverter heatsinks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R0100S | 100 V VRRM, 1 A IF, 30 ns trr, TO-277 package (not TS-1), VF = 0.92 V | Same voltage/current class but different footprint; requires PCB layout change | Preferred where faster trr is prioritized and board redesign is acceptable |
| ON Semi MUR110EG | 100 V VRRM, 1 A IF, 50 ns trr, DO-41 package, VF = 0.93 V, no AEC-Q101 | Through-hole mounting; lacks automotive qualification and speed | Acceptable for cost-sensitive industrial prototypes without automotive compliance needs |
Compared with STTH1R0100S and MUR110EG, the SFT12GHR0G uniquely combines AEC-Q101 qualification, TS-1 surface-mount compatibility, and 35 ns trr in a 100 V/1 A rating - making it the only option among the three qualified for production automotive power supplies requiring zero-layout-change upgrades.
Availability
SFT12GHR0G is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial switch-mode power supplies, and LED driver power stages requiring stable component supply, long-term lifecycle support, and AEC-Q101-compliant sourcing.
Supply support for SFT12GHR0G 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 diodes, and MOSFETs for industrial and automotive markets.
The SFT1xG series was developed specifically for high-efficiency, high-reliability rectification in automotive and industrial power conversion - emphasizing low VF, fast trr, and AEC-Q101 qualification in compact TS-1 packaging.
FAQ
What is the maximum junction temperature rating for SFT12GHR0G?
The SFT12GHR0G has a maximum junction temperature (TJ max) of +150°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet revision J2104. This rating allows operation in under-hood automotive environments and sealed industrial enclosures when thermal design accounts for its 100°C/W RθJA. The SFT12GHR0G must not exceed this limit during steady-state or transient conditions to ensure long-term reliability.
Is SFT12GHR0G pin-compatible with other TS-1 rectifiers like SFT11G or SFT13G?
Yes, SFT12GHR0G shares identical TS-1 package dimensions, terminal configuration, and polarity marking (cathode band) with all SFT1xG family members including SFT11G and SFT13G. The SFT12GHR0G can be substituted on the same footprint without PCB modification, provided voltage and thermal requirements align - e.g., replacing SFT11G (50 V) with SFT12GHR0G (100 V) increases reverse blocking margin but maintains identical mounting and soldering process.
Does SFT12GHR0G meet AEC-Q101 stress test requirements?
Yes, the "H" suffix in SFT12GHR0G explicitly denotes AEC-Q101 qualification per Taiwan Semiconductor's ordering code definition in datasheet J2104. This includes testing for temperature cycling, humidity bias, mechanical shock, and high-temperature reverse bias - confirming suitability for automotive power electronics. The SFT12GHR0G is not a generic industrial variant; its AEC-Q101 status is part of its certified product identity.
What is the reverse recovery time (trr) specification for SFT12GHR0G and how is it tested?
The SFT12GHR0G has a maximum reverse recovery time (trr) of 35 ns, measured under conditions IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A, as specified in the Electrical Specifications table of the J2104 datasheet. This value reflects performance at 25°C ambient and is validated using the test circuit shown in Figure 6. The SFT12GHR0G's trr remains stable across its operating temperature range, supporting consistent switching behavior in high-frequency SMPS designs.
How does the forward voltage (VF) of SFT12GHR0G compare to similar 100 V super fast rectifiers?
The SFT12GHR0G specifies VF = 0.95 V at 1 A and 25°C - matching industry benchmarks for 100 V super fast rectifiers such as STTH1R0100S (0.92 V) and MUR110EG (0.93 V). Its VF remains stable across temperature, contributing to predictable conduction loss. Unlike some alternatives, the SFT12GHR0G achieves this low VF while retaining AEC-Q101 qualification and TS-1 packaging - a combination not found in most competing 100 V rectifiers.
SFT12GHR0G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- T-18, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 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 @ 100 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
SFT12GHR0G FAQ
1.How can I place an order for SFT12GHR0G through Aetrix?
Please submit a Request for Quotation (RFQ) for SFT12GHR0G 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 SFT12GHR0G reliable?
The price and inventory of SFT12GHR0G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SFT12GHR0G is usually 5 days.
3.What payment methods are accepted for SFT12GHR0G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SFT12GHR0G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SFT12GHR0G?
SFT12GHR0G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SFT12GHR0G 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 SFT12GHR0G?
For technical support, including SFT12GHR0G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SFT12GHR0G requirements.
6.How does Aetrix verify that SFT12GHR0G is sourced from the original manufacturer or authorized distributors?
All SFT12GHR0G 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 SFT12GHR0G meets industry standards.
7.What is the process for return or replacement of SFT12GHR0G?
All SFT12GHR0G units undergo pre-shipment inspection (PSI). If there is an issue with SFT12GHR0G, 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 SFT12GHR0G part is unused and in its original packaging.
Return procedure for SFT12GHR0G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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