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

Taiwan Semiconductor Corporation SF3006PT

Name: SF3006PT
Brand: Taiwan Semiconductor Corporation
SKU: SF3006PT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SF3006PT

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: TO-247-3

Datasheet:: SF3006PT.pdf

Description:: DIODE GEN PURP 400V 30A TO247AD

Quantity:: RFQ Add To RFQ list

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Product details

Overview

SF3006PT from Taiwan Semiconductor is a dual-die, positive-center-tap superfast rectifier in TO-247AD package, rated for 30 A average forward current, 400 V repetitive peak reverse voltage (V_RRM), and 35 ns reverse recovery time (t_rr). It delivers low forward voltage (1.30 V at 15 A, 25°C) and low thermal resistance (1.0 °C/W junction-to-case), enabling high-efficiency operation in high-frequency switching power supplies.

For engineers reviewing the SF3006PT datasheet, SF3006PT pinout, SF3006PT application, or SF3006PT equivalent, key selection criteria include its 400 V V_RRM, dual-center-tap configuration, TO-247AD mechanical compatibility, and AEC-Q101 qualification option - critical for automotive DC/DC converters and industrial snubber circuits requiring robust thermal performance and fast recovery.

Technical Context

The SF3006PT integrates two identical silicon die in a single TO-247AD package with shared cathode connection and isolated anodes, forming a center-tapped dual rectifier topology. Its superfast recovery (t_rr = 35 ns) and low Q_rr minimize switching losses in hard-switched topologies operating above 50 kHz.

Thermal design is supported by R_θJC = 1.0 °C/W and a maximum junction temperature of 150°C, while glass-passivated junctions ensure long-term reliability under high dv/dt and repetitive surge conditions (I_FSM = 300 A, 8.3 ms sine half-wave).

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	400 V - supports input rectification or freewheeling in 28 V–48 V bus systems with 2× safety margin
I_F	30 A continuous - enables compact heatsink design in 500–1000 W SMPS without parallel devices
t_rr	35 ns - reduces turn-off loss and EMI in 100–500 kHz switching converters
V_F	1.30 V @ 15 A, 25°C - lowers conduction loss vs. standard fast rectifiers (typ. 1.5–1.7 V)
R_θJC	1.0 °C/W - allows direct mounting to heatsink with minimal thermal interface resistance
I_FSM	300 A @ 8.3 ms - withstands inrush and fault currents in industrial motor drives and UPS systems

Pinout & Package

Package: TO-247AD (TO-3P), 3-terminal, positive-center-tap configuration. Anode 1 and Anode 2 are electrically isolated; Cathode is common and internally connected to the metal tab (case). Mounting torque ≤1.13 N·m.

Pin/Terminal	Circuit Role	Design Meaning
Anode 1 (Lead 1)	Input terminal for first diode	Connects to AC input leg 1 in center-tapped transformer or dual-phase rectifier
Anode 2 (Lead 2)	Input terminal for second diode	Connects to AC input leg 2; enables balanced dual-path conduction
Cathode (Tab)	Common output node	Electrically tied to metal case - must be insulated from heatsink unless referenced to system ground

Key Features

Feature	Design Value
Dual-die center-tap construction	Enables single-package implementation of full-wave rectification without external wiring between anodes
Glass-passivated junction	Ensures stable leakage current (<500 µA @ 125°C) and immunity to humidity-induced degradation
Superfast 35 ns recovery	Reduces reverse recovery charge (Q_rr) to <15 nC, lowering EMI and diode stress in ZVS/ZCS circuits
RoHS + halogen-free (IEC 61249-2-21)	Meets automotive and industrial environmental compliance requirements without compromising thermal or electrical performance

Applications

DC/DC Converter	Snubber Circuit
Use Scenario: Secondary-side synchronous rectification in isolated 48 V–12 V buck-derived converters for telecom and server PSUs. IC Role / Device Role / Timing Role: Dual-center-tap rectifier providing low-loss, high-current output path with matched die characteristics. Use Value: 1.30 V V_F and 35 ns t_rr reduce total power loss by ~12% vs. legacy fast recovery diodes at 200 kHz switching.	Use Scenario: Clamp-type RCD snubber across MOSFET drains in flyback and forward converters handling 300–600 V bus transients. IC Role / Device Role / Timing Role: Fast-recovery clamp diode absorbing inductive energy during switch turn-off. Use Value: 35 ns t_rr prevents reverse conduction overlap with main switch, minimizing snubber dissipation and improving efficiency.
Automotive DC/DC Module	Industrial Freewheeling
Use Scenario: 12 V/48 V bidirectional DC/DC in 48 V mild-hybrid vehicles, where AEC-Q101 qualification is mandatory. IC Role / Device Role / Timing Role: Center-tapped output rectifier handling regenerative braking energy return paths. Use Value: Dual-die symmetry ensures balanced current sharing and thermal distribution across both legs under asymmetric load conditions.	Use Scenario: Freewheeling path for high-current solenoids and contactors in factory automation PLC outputs. IC Role / Device Role / Timing Role: Low-V_F, high-I_FSM rectifier clamping inductive kickback with minimal voltage overshoot. Use Value: 300 A I_FSM rating sustains repeated 100 A transient surges without degradation, extending system lifetime.

DC/DC Converter

Snubber Circuit

Use Scenario: Secondary-side synchronous rectification in isolated 48 V–12 V buck-derived converters for telecom and server PSUs.

IC Role / Device Role / Timing Role: Dual-center-tap rectifier providing low-loss, high-current output path with matched die characteristics.

Use Value: 1.30 V V_F and 35 ns t_rr reduce total power loss by ~12% vs. legacy fast recovery diodes at 200 kHz switching.

Use Scenario: Clamp-type RCD snubber across MOSFET drains in flyback and forward converters handling 300–600 V bus transients.

IC Role / Device Role / Timing Role: Fast-recovery clamp diode absorbing inductive energy during switch turn-off.

Use Value: 35 ns t_rr prevents reverse conduction overlap with main switch, minimizing snubber dissipation and improving efficiency.

Automotive DC/DC Module

Industrial Freewheeling

Use Scenario: 12 V/48 V bidirectional DC/DC in 48 V mild-hybrid vehicles, where AEC-Q101 qualification is mandatory.

IC Role / Device Role / Timing Role: Center-tapped output rectifier handling regenerative braking energy return paths.

Use Value: Dual-die symmetry ensures balanced current sharing and thermal distribution across both legs under asymmetric load conditions.

Use Scenario: Freewheeling path for high-current solenoids and contactors in factory automation PLC outputs.

IC Role / Device Role / Timing Role: Low-V_F, high-I_FSM rectifier clamping inductive kickback with minimal voltage overshoot.

Use Value: 300 A I_FSM rating sustains repeated 100 A transient surges without degradation, extending system lifetime.

Equivalent & Alternatives

The following parts are listed as comparable options for similar superfast dual-center-tap rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH30L04TV	Single-diode TO-247, 400 V/30 A, t_rr = 30 ns, no center-tap	Requires external wiring for center-tap function; higher layout complexity	Select when discrete layout control is preferred over integrated dual-die symmetry
IXYS MUR3040CT	Dual-center-tap TO-247, 400 V/30 A, t_rr = 60 ns, V_F = 1.45 V @ 15 A	Slower recovery increases switching loss in >250 kHz designs	Choose for cost-sensitive industrial applications where 60 ns t_rr is acceptable

Compared with STTH30L04TV and IXYS MUR3040CT, the SF3006PT uniquely combines dual-center-tap integration, 35 ns recovery, and 1.30 V forward drop - delivering superior thermal balance and efficiency in high-frequency, space-constrained automotive and telecom DC/DC modules.

Availability

SF3006PT is available at Aetrix Electronics and suitable for DC/DC converters, snubber circuits, and automotive power modules requiring stable component supply, AEC-Q101 qualification support, and consistent TO-247AD mechanical fit.

Supply support for SF3006PT 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 power discrete manufacturer headquartered in Hsinchu, Taiwan, serving automotive, industrial, and computing markets since 1979.

The SF300xPT series targets high-reliability, high-efficiency power conversion in harsh environments - designed specifically for center-tapped rectification in automotive DC/DC, industrial SMPS, and lighting ballasts where thermal stability and fast recovery are critical.

FAQ

What is the maximum junction temperature rating for the SF3006PT?

The SF3006PT has a maximum junction temperature (T_J) of +150°C, verified per absolute maximum ratings table. This rating applies across its full operating range and supports reliable operation in sealed enclosures or high-ambient environments when mounted with appropriate thermal interface material and heatsink. The SF3006PT maintains specified electrical parameters up to this limit, provided case temperature does not exceed derated limits shown in Fig.1.

Is the SF3006PT pin-compatible with other parts in the SF300xPT family?

Yes, all SF300xPT variants - including SF3001PT through SF3008PT - share identical TO-247AD packaging, pinout, and mechanical dimensions. The only differences are V_RRM ratings (50 V to 600 V) and corresponding forward voltage values; thus, SF3006PT can be substituted within the same footprint for 400 V applications without PCB changes.

Does the SF3006PT have AEC-Q101 qualification?

The SF3006PT is available in AEC-Q101 qualified version as SF3006PTH ('H' suffix). Standard SF3006PT is not AEC-Q101 certified; only the 'H' variant undergoes full stress testing per AEC-Q101 Rev D. For automotive applications requiring qualification, specify SF3006PTH and confirm packaging code with distributor documentation.

What is the reverse recovery time test condition for the SF3006PT?

The SF3006PT reverse recovery time (t_rr) is measured at I_F = 0.5 A, I_R = 1.0 A, I_rr = 0.25 A, per JEDEC JESD24-11. This standardized condition ensures comparability with other superfast rectifiers. Measured t_rr is 35 ns maximum, confirmed across production lots and validated at T_J = 25°C using calibrated pulse test equipment.

How is thermal resistance defined for the SF3006PT?

The SF3006PT specifies junction-to-case thermal resistance (R_θJC) as 1.0 °C/W, measured from the silicon die to the metal tab surface under controlled 25°C ambient conditions. This value assumes full tab contact with a flat, clean heatsink and excludes interface resistance - actual system R_θJA depends on heatsink size, airflow, and thermal interface material used with the SF3006PT.

SF3006PT Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: TO-247-3

Packaging:: Tube

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 400 V

Current - Average Rectified (Io):: 30A

Voltage - Forward (Vf) (Max) @ If:: 1.3 V @ 15 A

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

Reverse Recovery Time (trr):: 35 ns

Current - Reverse Leakage @ Vr:: 10 µA @ 400 V

Capacitance @ Vr, F:: 175pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-247AD (TO-3P)

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

SF3006PT FAQ

1.How can I place an order for SF3006PT through Aetrix?

Please submit a Request for Quotation (RFQ) for SF3006PT 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 SF3006PT reliable?

The price and inventory of SF3006PT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SF3006PT is usually 5 days.

3.What payment methods are accepted for SF3006PT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SF3006PT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SF3006PT?

SF3006PT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SF3006PT 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 SF3006PT?

For technical support, including SF3006PT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SF3006PT requirements.

6.How does Aetrix verify that SF3006PT is sourced from the original manufacturer or authorized distributors?

All SF3006PT 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 SF3006PT meets industry standards.

7.What is the process for return or replacement of SF3006PT?

All SF3006PT units undergo pre-shipment inspection (PSI). If there is an issue with SF3006PT, 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 SF3006PT part is unused and in its original packaging.

Return procedure for SF3006PT:

1.Submit a request within 90 days.

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

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