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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Taiwan Semiconductor Corporation SFT14G R0G

Name: SFT14G R0G
Brand: Taiwan Semiconductor Corporation
SKU: SFT14G R0G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SFT14G R0G

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: T-18, Axial

Datasheet:: SFT14G R0G.pdf

Description:: DIODE GEN PURP 200V 1A TS-1

Quantity:: RFQ Add To RFQ list

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Inventory:6,249

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Product details

Overview

SFT14G R0G from Taiwan Semiconductor is a 1 A, 200 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 20 pF junction capacitance at 1 MHz/4.0 V - used in DC-DC converters and freewheeling paths for high-efficiency power conversion.

For engineers reviewing the SFT14G R0G datasheet, SFT14G R0G pinout, SFT14G R0G application, or SFT14G R0G equivalent, key selection criteria include V_RRM = 200 V, I_F = 1 A, t_rr = 35 ns, V_F = 0.95 V, and TS-1 surface-mount package compatibility with automated assembly.

Technical Context

The SFT14G R0G is a single-die, planar passivated silicon super fast rectifier optimized for switching-mode power supplies. Its 35 ns reverse recovery time and low 0.95 V forward voltage at rated current enable reduced switching losses and thermal stress in high-frequency operation.

Designed for operation up to 150°C junction temperature and qualified per JESD201 Class 2 whisker test, the device supports reliable performance under surge conditions (I_FSM = 30 A, 8.3 ms half-sine) and meets RoHS and halogen-free requirements per IEC 61249-2-21.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	200 V - maximum non-repetitive reverse blocking voltage; defines safe operating range in flyback/freewheeling topologies
I_F	1 A continuous average forward current - sets steady-state conduction capability at TA = 75°C with derating
t_rr	35 ns - measured at IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A; enables efficient operation up to ~3 MHz switching frequencies
V_F	0.95 V @ 1 A, 25°C - directly determines conduction loss and thermal rise in high-duty-cycle applications
C_J	20 pF @ 1 MHz, 4.0 V - impacts high-frequency noise coupling and snubber design in SMPS layouts
R_θJA	100 °C/W - junction-to-ambient thermal resistance; requires minimum 25 mm² copper pad for full 1 A rating

Pinout & Package

TS-1 package: surface-mount, single-anode/single-cathode configuration with cathode band marking; lead finish is pure tin, solderable per J-STD-002; UL 94V-0 molding compound; weight ≈ 0.200 g.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to lower-potential node (e.g., switch node in buck freewheel path)
Cathode	Forward current exit point	Marked by band; connects to output rail or inductor return; carries full load current during conduction

Key Features

Feature	Design Value
Super fast recovery	t_rr = 35 ns ensures minimal reverse recovery charge (Q_rr) and low EMI in >100 kHz converters
Low forward voltage	V_F = 0.95 V @ 1 A reduces conduction loss by ~15% vs. standard fast rectifiers at same current
High surge robustness	I_FSM = 30 A (8.3 ms) supports inrush and transient overload without bond-wire failure
High-temperature operation	T_J(max) = 150°C allows use in sealed enclosures or high-ambient industrial environments

Applications

DC-DC Converter Output Rectification	Switching Mode Inverter Freewheeling
Use Scenario: Secondary-side rectification in isolated 12 V–48 V output DC-DC converters operating at 200–500 kHz. IC Role / Device Role / Timing Role: Unidirectional current steering diode providing low-loss path during synchronous rectifier off-time. Use Value: 0.95 V V_F and 35 ns t_rr reduce total power loss by ≥0.3 W vs. legacy FR107 at 1 A/250 kHz.	Use Scenario: Freewheeling path across inductive loads in motor drive inverters and UPS systems. IC Role / Device Role / Timing Role: Clamp diode that recirculates stored inductor energy during MOSFET turn-off. Use Value: 200 V V_RRM and 30 A I_FSM ensure safe operation during 200 V bus transients and motor stall currents.
AC-DC Adapter Secondary Side	Industrial Power Supply Snubber Network
Use Scenario: Output rectification in compact 5–24 W offline adapters with universal input (85–265 VAC). IC Role / Device Role / Timing Role: Primary output rectifier delivering regulated DC after transformer secondary winding. Use Value: TS-1 package enables high-density layout; 0.200 g mass supports vibration-resistant mounting in portable equipment.	Use Scenario: RC snubber network clamp diode in high-voltage IGBT gate drive circuits. IC Role / Device Role / Timing Role: Fast-turn-on diode absorbing turn-off voltage spikes before RC network engages. Use Value: 35 ns t_rr and 20 pF C_J minimize delay and parasitic resonance in sub-100 ns switching events.

DC-DC Converter Output Rectification

Switching Mode Inverter Freewheeling

Use Scenario: Secondary-side rectification in isolated 12 V–48 V output DC-DC converters operating at 200–500 kHz.

IC Role / Device Role / Timing Role: Unidirectional current steering diode providing low-loss path during synchronous rectifier off-time.

Use Value: 0.95 V V_F and 35 ns t_rr reduce total power loss by ≥0.3 W vs. legacy FR107 at 1 A/250 kHz.

Use Scenario: Freewheeling path across inductive loads in motor drive inverters and UPS systems.

IC Role / Device Role / Timing Role: Clamp diode that recirculates stored inductor energy during MOSFET turn-off.

Use Value: 200 V V_RRM and 30 A I_FSM ensure safe operation during 200 V bus transients and motor stall currents.

AC-DC Adapter Secondary Side

Industrial Power Supply Snubber Network

Use Scenario: Output rectification in compact 5–24 W offline adapters with universal input (85–265 VAC).

IC Role / Device Role / Timing Role: Primary output rectifier delivering regulated DC after transformer secondary winding.

Use Value: TS-1 package enables high-density layout; 0.200 g mass supports vibration-resistant mounting in portable equipment.

Use Scenario: RC snubber network clamp diode in high-voltage IGBT gate drive circuits.

IC Role / Device Role / Timing Role: Fast-turn-on diode absorbing turn-off voltage spikes before RC network engages.

Use Value: 35 ns t_rr and 20 pF C_J minimize delay and parasitic resonance in sub-100 ns switching events.

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	V_RRM = 200 V, t_rr = 30 ns, V_F = 0.92 V @ 1 A - slightly faster but higher cost; TO-220AC package	Requires through-hole PCB layout and heatsinking; not drop-in for TS-1 footprint	Select when board-level thermal management permits larger package and tighter t_rr is critical
ON Semi MUR120	V_RRM = 200 V, t_rr = 50 ns, V_F = 0.97 V @ 1 A - slower recovery, same TS-1 footprint and marking polarity	Acceptable where EMI margin allows longer t_rr; identical assembly process and reflow profile	Choose for cost-sensitive designs where 15 ns t_rr margin is acceptable

Compared with STTH1R02U and MUR120, the SFT14G R0G delivers optimal balance of speed (35 ns), low V_F (0.95 V), and TS-1 surface-mount compatibility - enabling compact, high-efficiency designs without layout or thermal redesign.

Availability

SFT14G R0G is available at Aetrix Electronics and suitable for DC-DC converters, switching mode inverters, and freewheeling applications requiring stable component supply, consistent parametric performance, and long-term industrial availability.

Supply support for SFT14G R0G 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 SFT14G R0G belongs to TSC's SFT1xG super fast rectifier family, engineered specifically for high-frequency switching power conversion where low V_F, fast t_rr, and robust surge handling are essential.

FAQ

What is the maximum junction temperature rating for the SFT14G R0G?

The SFT14G R0G has a maximum junction temperature (T_J(max)) of +150°C, verified per absolute maximum ratings table. This allows operation in sealed enclosures or high-ambient environments when mounted on ≥25 mm² copper area. Thermal design must account for R_θJA = 100°C/W to avoid exceeding this limit under full 1 A load.

Does the SFT14G R0G meet AEC-Q101 qualification?

No - the SFT14G R0G (R0G suffix) is the standard industrial version. AEC-Q101 qualification is only available for variants marked with "H" (e.g., SFT14GH). The R0G part does not undergo the extended stress testing required for automotive-grade reliability, though it shares the same die and TS-1 package construction.

What is the reverse recovery time measurement condition for the SFT14G R0G?

The reverse recovery time (t_rr) of 35 ns for the SFT14G R0G is measured under standardized conditions: I_F = 0.5 A, I_R = 1.0 A, I_rr = 0.25 A, with specified test circuit per Fig.6 in the datasheet. This value is guaranteed maximum and applies at T_A = 25°C.

Can the SFT14G R0G replace the SFT13G in an existing design?

Yes - the SFT14G R0G is a direct upgrade from SFT13G (150 V V_RRM) with identical TS-1 package, pinout, and thermal characteristics. Its higher 200 V V_RRM provides increased margin against voltage transients without layout or thermal changes, while maintaining the same 0.95 V V_F and 35 ns t_rr.

What does the "R0G" suffix indicate in SFT14G R0G?

The "R0G" suffix denotes the standard industrial-grade packaging variant: "R0" indicates tape-and-reel packaging (5,000 pcs/reel), and "G" confirms RoHS-compliant, halogen-free molding compound per IEC 61249-2-21. It is not an AEC-Q101 qualified part - that requires the "H" suffix (e.g., SFT14GH).

SFT14G R0G 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:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TS-1

Operating Temperature - Junction:: -55°C ~ 150°C

SFT14G R0G FAQ

1.How can I place an order for SFT14G R0G through Aetrix?

Please submit a Request for Quotation (RFQ) for SFT14G R0G 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 SFT14G R0G reliable?

The price and inventory of SFT14G R0G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SFT14G R0G is usually 5 days.

3.What payment methods are accepted for SFT14G R0G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SFT14G R0G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SFT14G R0G?

SFT14G R0G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SFT14G R0G 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 SFT14G R0G?

For technical support, including SFT14G R0G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SFT14G R0G requirements.

6.How does Aetrix verify that SFT14G R0G is sourced from the original manufacturer or authorized distributors?

All SFT14G R0G 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 SFT14G R0G meets industry standards.

7.What is the process for return or replacement of SFT14G R0G?

All SFT14G R0G units undergo pre-shipment inspection (PSI). If there is an issue with SFT14G R0G, 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 SFT14G R0G part is unused and in its original packaging.

Return procedure for SFT14G R0G:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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