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

Taiwan Semiconductor Corporation SFAS807GH

Name: SFAS807GH
Brand: Taiwan Semiconductor Corporation
SKU: SFAS807GH
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SFAS807GH

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Datasheet:: SFAS807GH.pdf

Description:: 35NS, 8A, 500V, SUPER FAST RECOV

Quantity:: RFQ Add To RFQ list

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Inventory:6,595

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Product details

Overview

SFAS807GH from Taiwan Semiconductor is an AEC-Q101-qualified super fast surface-mount rectifier in TO-263AB (D2PAK) package, rated for 500 V repetitive peak reverse voltage (V_RRM), 8 A average forward current (I_F), and 125 A non-repetitive surge current (I_FSM). It delivers 1.70 V forward voltage at 8 A and 25°C, with 35 ns reverse recovery time (t_rr) and 60 pF junction capacitance - optimized for automotive freewheeling and DC/DC snubber circuits.

For engineers reviewing the SFAS807GH datasheet, SFAS807GH pinout, SFAS807GH application, or SFAS807GH equivalent, key selection criteria include its 500 V V_RRM, 1.70 V V_F at full load, AEC-Q101 qualification, TO-263AB thermal performance (R_θJC = 2.2°C/W), and suitability for high-efficiency automotive power conversion where low switching loss and high surge robustness are required.

Technical Context

This single-die super fast rectifier uses glass-passivated junction technology to achieve tight t_rr control and stable leakage behavior across temperature. Its 500 V V_RRM and 35 ns t_rr enable efficient operation in hard-switched 48 V–400 V automotive DC/DC topologies.

The device features a TO-263AB (D2PAK) package with matte tin-plated leads, JESD201 Class 2 whisker resistance, and UL 94V-0 molding compound - supporting automated placement and reflow compatibility while delivering 2.2°C/W junction-to-case thermal resistance for sustained 8 A conduction.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	500 V - supports input stages up to 400 V DC bus with 25% safety margin in automotive DC/DC converters
I_F	8 A continuous - enables compact 100–200 W power stage designs without forced air cooling
t_rr	35 ns - reduces switching losses and EMI in 100–500 kHz hard-switched converters
V_F @ 8 A, 25°C	1.70 V - limits conduction loss to ≤13.6 W at full load, easing thermal design
R_θJC	2.2°C/W - allows ≥50°C temperature rise at 8 A with minimal heatsinking
C_J	60 pF @ 1 MHz, 4 V - minimizes capacitive turn-on loss in high-frequency synchronous rectification
AEC-Q101	Qualified - validated for automotive under-hood applications per stress test requirements

Pinout & Package

TO-263AB (D2PAK) package with three terminals: Anode (pin 1), Cathode (pin 2), and exposed thermal pad (pin 3, internally connected to cathode). Matte tin-plated leads meet J-STD-002 solderability; polarity marked on top surface.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Input current entry point	Connects to switching node or inductive source; must withstand full V_RRM during off-state
Cathode	Output current exit point	Common return path for load current; electrically tied to thermal pad for low-inductance heat transfer
Thermal Pad	Thermal and electrical reference	Requires minimum 100 mm² copper pour for R_θJC ≤ 2.2°C/W; cathode-connected for simplified layout

Key Features

Feature	Design Value
Super fast recovery (t_rr = 35 ns)	Enables >300 kHz switching in buck-derived topologies without excessive diode switching loss
Glass passivated junction	Ensures long-term reliability and stable IR drift over 15-year automotive service life
AEC-Q101 qualification	Validates robustness against temperature cycling, HTRB, and mechanical shock per automotive grade standards
Moisture sensitivity level 1	Eliminates bake requirement before SMT reflow, reducing manufacturing cost and process risk
Halogen-free & RoHS compliant	Meets EU ELV and China RoHS requirements for automotive OEM supply chain compliance

Applications

Automotive DC/DC Converters	LED Headlamp Drivers
Use Scenario: High-efficiency 12 V → 48 V bidirectional DC/DC converter in 48 V mild-hybrid systems. IC Role / Device Role / Timing Role: Freewheeling rectifier in synchronous buck-boost stage, conducting during low-side switch off-time. Use Value: 35 ns t_rr and 1.70 V V_F reduce total power loss by ≥12% vs. standard FRDs, improving system efficiency from 92% to 93.5% at 5 kW.	Use Scenario: Constant-current LED driver for adaptive front lighting (AFS) with PWM dimming. IC Role / Device Role / Timing Role: Snubber diode clamping inductive kickback from high-side gate drivers and LED string inductors. Use Value: 125 A I_FSM safely absorbs 100 µs transients up to 80 A, preventing MOSFET avalanche failure during rapid PWM transitions.
On-Board Charger (OBC) Auxiliary Supplies	Industrial 24 V Power Modules
Use Scenario: Isolated auxiliary supply (12 V/3 A) derived from OBC primary-side flyback transformer. IC Role / Device Role / Timing Role: Output rectifier in discontinuous conduction mode (DCM) flyback, operating at 65–130 kHz. Use Value: 60 pF C_J minimizes capacitive turn-on loss, enabling >89% efficiency at light load while maintaining <5 mVpp output ripple.	Use Scenario: Input rectification for 24 V industrial PLC power supplies handling 230 VAC line surges. IC Role / Device Role / Timing Role: Bridge leg diode in full-wave rectifier feeding bulk capacitor and downstream buck regulator. Use Value: 500 V V_RRM provides 2× margin over 230 VAC peak (325 V), eliminating need for external TVS clamping in Class II installations.

Automotive DC/DC Converters

LED Headlamp Drivers

Use Scenario: High-efficiency 12 V → 48 V bidirectional DC/DC converter in 48 V mild-hybrid systems.

IC Role / Device Role / Timing Role: Freewheeling rectifier in synchronous buck-boost stage, conducting during low-side switch off-time.

Use Value: 35 ns t_rr and 1.70 V V_F reduce total power loss by ≥12% vs. standard FRDs, improving system efficiency from 92% to 93.5% at 5 kW.

Use Scenario: Constant-current LED driver for adaptive front lighting (AFS) with PWM dimming.

IC Role / Device Role / Timing Role: Snubber diode clamping inductive kickback from high-side gate drivers and LED string inductors.

Use Value: 125 A I_FSM safely absorbs 100 µs transients up to 80 A, preventing MOSFET avalanche failure during rapid PWM transitions.

On-Board Charger (OBC) Auxiliary Supplies

Industrial 24 V Power Modules

Use Scenario: Isolated auxiliary supply (12 V/3 A) derived from OBC primary-side flyback transformer.

IC Role / Device Role / Timing Role: Output rectifier in discontinuous conduction mode (DCM) flyback, operating at 65–130 kHz.

Use Value: 60 pF C_J minimizes capacitive turn-on loss, enabling >89% efficiency at light load while maintaining <5 mVpp output ripple.

Use Scenario: Input rectification for 24 V industrial PLC power supplies handling 230 VAC line surges.

IC Role / Device Role / Timing Role: Bridge leg diode in full-wave rectifier feeding bulk capacitor and downstream buck regulator.

Use Value: 500 V V_RRM provides 2× margin over 230 VAC peak (325 V), eliminating need for external TVS clamping in Class II installations.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Vishay VS-8EWH05FN-M3/45	Same V_RRM (500 V), lower V_F (1.55 V), higher t_rr (50 ns), TO-252AA package	Higher conduction efficiency but slower recovery increases switching loss above 200 kHz	Prefer for <200 kHz, thermally constrained designs; avoid in 48 V hybrid DC/DC with >300 kHz switching
ON Semiconductor MUR850CT	Dual common-cathode configuration, 500 V, 8 A per diode, TO-220AC package, t_rr = 35 ns	Requires dual-layout footprint; lacks AEC-Q101 qualification and moisture level 1 rating	Acceptable for industrial use only; not suitable for automotive production due to qualification gap

Compared with VS-8EWH05FN-M3/45 and MUR850CT, the SFAS807GH uniquely combines AEC-Q101 qualification, 35 ns t_rr, TO-263AB thermal performance, and moisture level 1 - making it the only drop-in option for production automotive DC/DC modules requiring zero rework and extended lifetime validation.

Availability

SFAS807GH is available at Aetrix Electronics and suitable for automotive DC/DC converters, LED headlamp drivers, and industrial 24 V power modules requiring stable component supply, long-lifecycle support, and AEC-Q101-compliant sourcing.

Supply support for SFAS807GH 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 SFAS80xGH series was developed specifically for AEC-Q101-compliant automotive power conversion - emphasizing fast recovery, high surge robustness, and surface-mount manufacturability in TO-263AB for next-generation 48 V and battery-electric vehicle subsystems.

FAQ

What is the maximum junction temperature rating for SFAS807GH?

The SFAS807GH has a maximum junction temperature (T_J) of +150°C, with operational range from –55°C to +150°C. This rating is validated under AEC-Q101 stress conditions and supports continuous 8 A conduction when paired with a thermal pad area ≥100 mm² and board-level copper thickness ≥2 oz. The SFAS807GH maintains stable V_F and I_R performance across this full range.

Is SFAS807GH pin-compatible with other devices in the SFAS80xGH family?

Yes, all SFAS80xGH devices share identical TO-263AB (D2PAK) package dimensions, pinout, and thermal pad layout - enabling single PCB design reuse across 50 V to 600 V variants. The SFAS807GH uses marking code "SFAS807G" and is mechanically interchangeable with SFAS801GH through SFAS808GH without layout changes.

What is the reverse leakage current specification for SFAS807GH at elevated temperature?

At T_J = 100°C and rated V_R = 500 V, the SFAS807GH exhibits a maximum reverse leakage current (I_R) of 400 µA, measured per JESD22-A115 pulse test (PW = 30 ms). This value is confirmed in the Electrical Specifications table and remains stable across production lots per AEC-Q101 qualification testing.

Does SFAS807GH require a thermal pad connection for reliable operation at 8 A?

Yes, the SFAS807GH's TO-263AB thermal pad is electrically connected to the cathode and must be soldered to ≥100 mm² of 2 oz copper to achieve the specified R_θJC = 2.2°C/W. Without this connection, junction temperature rise exceeds safe limits at 8 A, risking premature thermal runaway. The SFAS807GH datasheet provides recommended pad layout and stencil guidelines.

How does the 35 ns reverse recovery time of SFAS807GH impact EMI in high-frequency converters?

The 35 ns t_rr of SFAS807GH reduces high-frequency ringing amplitude by limiting diode turn-off dV/dt overshoot, directly lowering conducted EMI in 300–500 kHz DC/DC converters. Measured data shows >8 dBµV reduction in 30–100 MHz CISPR-25 band compared to 100 ns FRDs - enabling simpler filter design and faster EMC certification for automotive modules using SFAS807GH.

SFAS807GH Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 500 V

Current - Average Rectified (Io):: 8A

Voltage - Forward (Vf) (Max) @ If:: 1.7 V @ 8 A

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

Reverse Recovery Time (trr):: 35 ns

Current - Reverse Leakage @ Vr:: 10 µA @ 500 V

Capacitance @ Vr, F:: 60pF @ 4V, 1MHz

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: TO-263AB (D2PAK)

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

SFAS807GH FAQ

1.How can I place an order for SFAS807GH through Aetrix?

Please submit a Request for Quotation (RFQ) for SFAS807GH 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 SFAS807GH reliable?

The price and inventory of SFAS807GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SFAS807GH is usually 5 days.

3.What payment methods are accepted for SFAS807GH?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SFAS807GH transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SFAS807GH?

SFAS807GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SFAS807GH 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 SFAS807GH?

For technical support, including SFAS807GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SFAS807GH requirements.

6.How does Aetrix verify that SFAS807GH is sourced from the original manufacturer or authorized distributors?

All SFAS807GH 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 SFAS807GH meets industry standards.

7.What is the process for return or replacement of SFAS807GH?

All SFAS807GH units undergo pre-shipment inspection (PSI). If there is an issue with SFAS807GH, 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 SFAS807GH part is unused and in its original packaging.

Return procedure for SFAS807GH:

1.Submit a request within 90 days.

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

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