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

Taiwan Semiconductor Corporation F1T4GH

Name: F1T4GH
Brand: Taiwan Semiconductor Corporation
SKU: F1T4GH
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: F1T4GH

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: T-18, Axial

Datasheet:: F1T4GH.pdf

Description:: DIODE GEN PURP 400V 1A TS-1

Quantity:: RFQ Add To RFQ list

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Inventory:4,990

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Product details

Overview

F1T4GH from Taiwan Semiconductor is an AEC-Q101-qualified 1 A, 400 V fast recovery rectifier diode in TS-1 package, featuring 1.3 V max forward voltage at 1 A, 150 ns reverse recovery time, and 30 A surge capability - deployed in automotive DC-DC converters and industrial switching inverters.

For engineers reviewing the F1T4GH datasheet, F1T4GH pinout, F1T4GH application, or F1T4GH equivalent, key selection criteria include its 400 V repetitive peak reverse voltage, AEC-Q101 qualification for automotive use, TS-1 surface-mount compatibility, low 1.3 V VF at rated current, and 150 ns trr for high-frequency switching efficiency.

Technical Context

This single-die fast recovery rectifier uses glass-passivated junction technology to achieve stable thermal performance (R_θJA = 90 °C/W) and low leakage (5 µA @ 25°C, 150 µA @ 125°C). Its 150 ns reverse recovery time enables operation in 100–500 kHz switching topologies without excessive switching loss.

The device operates across –55°C to +150°C junction temperature range and supports 1 A continuous forward current with 30 A non-repetitive surge rating (8.3 ms half-sine), making it suitable for transient-heavy power conversion stages where reliability under thermal stress is critical.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	400 V - Maximum repetitive reverse blocking voltage; defines usable input voltage range in flyback or boost converters.
I_F	1 A - Continuous average forward current; sets maximum steady-state power handling in rectification paths.
t_rr	150 ns - Measured at I_F = 0.5 A, I_R = 1.0 A, I_rr = 0.25 A; enables efficient operation up to ~300 kHz switching frequency.
V_F	≤1.3 V @ I_F = 1 A, T_J = 25°C - Low conduction loss improves system efficiency and reduces heatsink requirements.
I_FSM	30 A - Peak non-repetitive surge current (8.3 ms); withstands inrush and fault transients in automotive and industrial supplies.
T_J max	+150°C - Maximum junction temperature; supports operation in under-hood or enclosed industrial environments.
R_θJA	90 °C/W - Junction-to-ambient thermal resistance; determines required PCB copper area for thermal management.

Pinout & Package

Package: TS-1 - Surface-mount, single-ended leaded package with pure tin-plated leads (J-STD-002 compliant), UL 94V-0 molding compound, cathode band polarity marking, and 0.200 g typical weight.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to lower-potential side of AC source or transformer secondary; must handle full 1 A RMS and 30 A surge.
Cathode	Forward current exit / reverse blocking terminal	Marked by band; connects to output capacitor/bus; blocks up to 400 V reverse voltage during off-state.

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per JESD47 - enables use in engine control, ADAS, and body electronics.
Glass-passivated junction	Provides hermetic protection against moisture and contaminants, improving long-term stability and reducing parameter drift over life.
Low V_F (≤1.3 V)	Reduces conduction losses by ~15% vs. standard 1 A rectifiers, lowering thermal load and enabling smaller PCB footprints.
High I_FSM/I_F ratio (30×)	Supports robust startup and fault tolerance in systems with high inrush currents, such as motor drives and battery chargers.
RoHS & halogen-free	Complies with IEC 61249-2-21 and EU RoHS directives - meets environmental compliance requirements for global OEM production.

Applications

Automotive DC-DC Converters	Industrial Switching Inverters
Use Scenario: Step-down conversion in 12 V/48 V dual-battery systems for ADAS cameras and infotainment modules. IC Role / Device Role / Timing Role: Output rectifier in synchronous or quasi-resonant buck converter stage. Use Value: 150 ns t_rr minimizes switching loss at 200–300 kHz, while AEC-Q101 qualification ensures lifetime reliability under vibration and thermal cycling.	Use Scenario: DC bus rectification in variable-frequency drives for HVAC and pump control. IC Role / Device Role / Timing Role: Freewheeling and output rectification in IGBT-based inverter front-end. Use Value: 400 V V_RRM and 30 A I_FSM support 3-phase rectified inputs up to 280 V AC line, with low V_F reducing heat generation in sealed enclosures.
Telecom Power Supplies	LED Driver Secondary Rectification
Use Scenario: Secondary-side rectification in isolated 48 V telecom brick supplies delivering up to 100 W. IC Role / Device Role / Timing Role: High-efficiency output rectifier in active-clamp forward or LLC resonant topology. Use Value: 90 °C/W R_θJA allows direct mounting on 1 oz copper with minimal thermal relief, simplifying thermal design for compact modules.	Use Scenario: Constant-current LED string rectification in outdoor streetlight drivers operating at 100–277 V AC input. IC Role / Device Role / Timing Role: Bridge or single-diode rectifier in isolated flyback secondary circuit. Use Value: 150 ns t_rr prevents reverse recovery oscillation that causes EMI in Class B lighting systems, easing EMC certification.

Automotive DC-DC Converters

Industrial Switching Inverters

Use Scenario: Step-down conversion in 12 V/48 V dual-battery systems for ADAS cameras and infotainment modules.

IC Role / Device Role / Timing Role: Output rectifier in synchronous or quasi-resonant buck converter stage.

Use Value: 150 ns t_rr minimizes switching loss at 200–300 kHz, while AEC-Q101 qualification ensures lifetime reliability under vibration and thermal cycling.

Use Scenario: DC bus rectification in variable-frequency drives for HVAC and pump control.

IC Role / Device Role / Timing Role: Freewheeling and output rectification in IGBT-based inverter front-end.

Use Value: 400 V V_RRM and 30 A I_FSM support 3-phase rectified inputs up to 280 V AC line, with low V_F reducing heat generation in sealed enclosures.

Telecom Power Supplies

LED Driver Secondary Rectification

Use Scenario: Secondary-side rectification in isolated 48 V telecom brick supplies delivering up to 100 W.

IC Role / Device Role / Timing Role: High-efficiency output rectifier in active-clamp forward or LLC resonant topology.

Use Value: 90 °C/W R_θJA allows direct mounting on 1 oz copper with minimal thermal relief, simplifying thermal design for compact modules.

Use Scenario: Constant-current LED string rectification in outdoor streetlight drivers operating at 100–277 V AC input.

IC Role / Device Role / Timing Role: Bridge or single-diode rectifier in isolated flyback secondary circuit.

Use Value: 150 ns t_rr prevents reverse recovery oscillation that causes EMI in Class B lighting systems, easing EMC certification.

Equivalent & Alternatives

The following parts are listed as comparable options for similar fast recovery rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH1L06S	1 A, 600 V, 75 ns t_rr, TO-277 package, no AEC-Q101	Higher V_RRM but faster recovery; lacks automotive qualification	Preferred where higher voltage margin or faster switching is needed, but not in AEC-Q101–mandated designs.
ON Semi MUR105G	1 A, 50 V, 75 ns t_rr, DO-41 package, AEC-Q101 option available (MUR105GHE3)	Lower V_RRM, axial leaded; requires through-hole assembly	Use only in low-voltage (<60 V) legacy or cost-sensitive designs where TS-1 SMT is not required.

Compared with STTH1L06S and MUR105G, the F1T4GH uniquely balances 400 V blocking, 150 ns recovery, AEC-Q101 qualification, and TS-1 surface-mount compatibility - making it optimal for new automotive and industrial SMT power supply designs requiring validated reliability and thermal efficiency.

Availability

F1T4GH is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial switching inverters, and telecom power supplies requiring stable component supply, AEC-Q101 compliance, and consistent TS-1 packaging.

Supply support for F1T4GH 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 F1T4GH belongs to TSC's AEC-Q101-qualified fast recovery rectifier family, engineered specifically for high-reliability, high-frequency power conversion in harsh-environment applications including engine compartments and factory automation systems.

FAQ

What is the peak repetitive reverse voltage rating for F1T4GH?

The F1T4GH has a peak repetitive reverse voltage (V_RRM) rating of 400 V. This value is confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version H2104, Page 1). It defines the maximum reverse voltage the device can block continuously without breakdown, making F1T4GH suitable for 280 V AC rectified inputs or 400 V DC bus applications.

Is F1T4GH qualified for automotive applications?

Yes, F1T4GH is AEC-Q101 qualified, as explicitly stated in the ordering code note ("H" suffix denotes AEC-Q101 qualification) and under FEATURES on Page 1 of the datasheet. This qualification covers stress tests including HTGB, H3TRB, and temperature cycling, confirming suitability for automotive powertrain, chassis, and body electronics where reliability under thermal and mechanical stress is mandatory.

What is the reverse recovery time (t_rr) of F1T4GH and how is it measured?

The F1T4GH has a reverse recovery time (t_rr) of 150 ns, measured under conditions of I_F = 0.5 A, I_R = 1.0 A, and I_rr = 0.25 A, per the Electrical Specifications table (Page 2). This value is critical for minimizing switching loss in high-frequency converters; F1T4GH's 150 ns t_rr supports efficient operation up to approximately 300 kHz in hard-switched topologies.

What package type does F1T4GH use and what are its key mechanical properties?

F1T4GH uses the TS-1 surface-mount package, as specified in MECHANICAL DATA and ORDERING INFORMATION sections. Key properties include pure tin-plated leads (J-STD-002 solderable), UL 94V-0 flammability-rated molding compound, cathode band polarity marking, and 0.200 g typical weight. The TS-1 footprint enables automated placement and reflow compatibility in high-volume manufacturing.

Does F1T4GH have halogen-free and RoHS compliance documentation?

Yes, F1T4GH is both RoHS compliant and halogen-free per IEC 61249-2-21, as stated in the FEATURES section (Page 1). This compliance is verified through material declarations and test reports maintained by Taiwan Semiconductor, supporting global environmental regulations for electronics used in automotive, industrial, and telecom equipment.

F1T4GH 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):: 400 V

Current - Average Rectified (Io):: 1A

Voltage - Forward (Vf) (Max) @ If:: 1.3 V @ 1 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: 150 ns

Current - Reverse Leakage @ Vr:: 5 µA @ 400 V

Capacitance @ Vr, F:: 15pF @ 4V, 1MHz

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Through Hole

Supplier Device Package:: TS-1

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

F1T4GH FAQ

1.How can I place an order for F1T4GH through Aetrix?

Please submit a Request for Quotation (RFQ) for F1T4GH 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 F1T4GH reliable?

The price and inventory of F1T4GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for F1T4GH is usually 5 days.

3.What payment methods are accepted for F1T4GH?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for F1T4GH transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for F1T4GH?

F1T4GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your F1T4GH 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 F1T4GH?

For technical support, including F1T4GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your F1T4GH requirements.

6.How does Aetrix verify that F1T4GH is sourced from the original manufacturer or authorized distributors?

All F1T4GH 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 F1T4GH meets industry standards.

7.What is the process for return or replacement of F1T4GH?

All F1T4GH units undergo pre-shipment inspection (PSI). If there is an issue with F1T4GH, 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 F1T4GH part is unused and in its original packaging.

Return procedure for F1T4GH:

1.Submit a request within 90 days.

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

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