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

Diodes Incorporated DTH8L06FP

Name: DTH8L06FP
Brand: Diodes Incorporated
SKU: DTH8L06FP
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: DTH8L06FP

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: TO-220-2 Full Pack, Isolated Tab

Datasheet:: DTH8L06FP.pdf

Description:: DIODE GEN PURP 600V 8A ITO220AC

Quantity:: RFQ Add To RFQ list

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Inventory:80

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Product details

Overview

DTH8L06FP from Diodes Incorporated is an 8A, 600V hyper-fast epitaxial rectifier diode in ITO-220AC package, featuring 70ns reverse recovery time, 1.30V max forward voltage at 8A/25°C, and 8μA max reverse leakage at 600V/25°C. It is engineered for high-efficiency freewheeling and output rectification in discontinuous conduction mode (DCM) PFC stages of offline SMPS.

For engineers reviewing the DTH8L06FP datasheet, DTH8L06FP pinout, DTH8L06FP application, or DTH8L06FP equivalent, key selection criteria include soft-switching behavior, thermal resistance (9°C/W junction-to-case), RoHS-compliant matte tin finish, and suitability for LED drivers, battery chargers, and telecom power supplies requiring low t_RR and stable high-temperature IR performance.

Technical Context

This hyper-fast rectifier uses epitaxial silicon construction with glass passivation to achieve soft reverse recovery characteristics critical for reducing EMI in high-frequency switching converters. Its 70ns t_RR is measured under standardized IF = 0.5A / IR = 1.0A / I_RR = 0.25A conditions, enabling clean turn-off in DCM PFC and flyback topologies.

The device supports 120A non-repetitive surge current (8.3ms half-sine) and maintains <8μA IR at 600V/25°C, with thermal resistance optimized for direct heatsink mounting via its isolated tab. Junction temperature range spans –55°C to +150°C, supporting operation in sealed or thermally constrained enclosures.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V - Blocks full-wave rectified 400V DC bus with 50% safety margin
I_O	8 A - Continuous average forward current at T_C = 100°C with heatsink
t_RR	70 ns - Enables >100 kHz switching in DCM PFC without excessive switching loss
V_F	1.30 V max @ 8A/25°C - Limits conduction loss to ≤10.4W at rated current
I_R	8 μA max @ 600V/25°C - Ensures minimal standby power loss in high-impedance hold-up circuits
R_θJC	9 °C/W - Allows ~11°C rise per watt dissipated when mounted to aluminum heatsink
I_FSM	120 A - Withstands inrush surges from cold-start AC line input

Pinout & Package

Package: ITO-220AC (Type WX-NC), molded plastic with isolated copper tab, UL 94V-0 rated, matte tin–annealed terminals solderable per MIL-STD-202 Method 208. Polarity: Cathode marked on top surface; Anode connected to tab.

Pin/Terminal	Circuit Role	Design Meaning
Tab (Anode)	Main current-carrying anode terminal	Electrically isolated metal tab serves as high-current anode path and thermal interface to heatsink
Lead 1 (Cathode)	Output cathode connection	Single gull-wing lead carries full rectified output current; polarity marked on top surface

Key Features

Feature	Design Value
Soft, hyper-fast switching	70ns t_RR with low I_RR/di/dt - reduces voltage spikes and EMI in high-dV/dt environments
Glass passivated die	Enhanced moisture and contamination resistance - improves long-term reliability in humid or dusty end equipment
DCM PFC optimization	Low stored charge (Q_RR) and soft recovery - minimizes body diode stress in interleaved or boost PFC controllers
RoHS & "Green" compliance	<900ppm Br, <900ppm Cl, <1000ppm Sb - meets global environmental regulations without compromising thermal or electrical performance

Applications

LED Lighting Drivers

Battery Chargers

Use Scenario: Secondary-side rectification in isolated flyback LED drivers for commercial downlights.

IC Role / Device Role / Timing Role: Output rectifier handling 350mA–1.5A constant current loads at 20–100kHz switching frequency.

Use Value: 1.30V V_F limits conduction loss to <2W at 1.5A, while 70ns t_RR prevents cross-conduction loss during MOSFET dead-time.

Use Scenario: Output rectification in universal-input 65W laptop adapters.

IC Role / Device Role / Timing Role: Freewheeling diode in synchronous rectified flyback, operating at 65–130kHz with DCM control.

Use Value: Soft recovery suppresses ringing across transformer leakage inductance, reducing need for snubbers and improving efficiency by ≥0.4% at full load.

Telecom Power Supplies

Home Appliance SMPS

Use Scenario: Primary-side clamp and secondary rectification in 48V/10A telecom brick supplies.

IC Role / Device Role / Timing Role: High-voltage clamp diode absorbing transformer reset energy and output rectifier in dual-output topology.

Use Value: 600V V_RRM withstands reflected transients up to 550V; 8μA I_R ensures <1mW standby loss at 400V bus.

Use Scenario: Input bridge and PFC boost diode in 2kW induction cooktop power stage.

IC Role / Device Role / Timing Role: Boost rectifier in critical conduction mode (CrCM) PFC front-end, switching at variable 30–150kHz.

Use Value: Low Q_RR and soft recovery prevent MOSFET shoot-through during zero-current switching transitions, improving PF correction accuracy.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH8R06DJF	Same 600V/8A rating; t_RR = 65ns, V_F = 1.25V typ @ 8A/125°C; TO-220AC package	Slightly faster recovery but higher V_F at elevated temperature; identical thermal footprint	Prefer for designs prioritizing EMI reduction over conduction loss at high ambient
IXYS MUR860E	600V/8A; t_RR = 75ns, V_F = 1.20V max @ 8A/25°C; TO-220AC, non-isolated tab	Non-isolated tab requires insulating washer; slightly slower recovery but lower V_F at room temp	Prefer where board-level isolation is already implemented and cost sensitivity outweighs thermal mounting flexibility

Compared with STTH8R06DJF and IXYS MUR860E, DTH8L06FP offers superior thermal mounting flexibility (isolated tab), tighter IR spec (8μA vs ≥20μA), and guaranteed soft recovery-making it optimal for compact, thermally constrained DCM PFC and LED driver designs where reliability and EMI control are primary.

Availability

DTH8L06FP is available at Aetrix Electronics and suitable for LED lighting drivers, battery chargers, and telecom power supplies requiring stable component supply, consistent parametric performance, and RoHS-compliant manufacturing traceability.

Supply support for DTH8L06FP 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-performance, high-reliability components for power management, signal integrity, and protection applications.

DTH8L06FP belongs to Diodes' Hyper-Fast Rectifier product line, designed specifically for high-frequency, high-efficiency AC/DC conversion in consumer, industrial, and telecom power systems where soft recovery and thermal robustness are essential.

FAQ

Is DTH8L06FP suitable for synchronous rectification replacement?

No-DTH8L06FP is a unidirectional hyper-fast rectifier diode, not a MOSFET-based synchronous rectifier. It lacks gate control, bidirectional capability, or low R_DS(on). It functions only as a passive, self-commutating rectifier and must be used with appropriate drive circuitry if replacing in legacy asynchronous designs.

What is the maximum recommended case temperature for continuous operation?

The maximum continuous case temperature is 100°C, derived from the 8A I_O rating specified at T_C = 100°C. Exceeding this requires derating per Figure 1 in DS42785; at T_C = 125°C, I_O drops to ~5.8A due to thermal saturation of the epitaxial junction.

Does the ITO-220AC package provide electrical isolation between tab and leads?

Yes-the ITO-220AC (Type WX-NC) package features an electrically isolated copper tab. The anode (tab) is insulated from the cathode lead by internal molding compound, enabling direct heatsink mounting without additional insulation hardware, unlike standard TO-220AC.

How does DTH8L06FP perform at elevated junction temperatures?

At T_J = 125°C, V_F drops to 1.05V max (vs 1.30V at 25°C), improving conduction efficiency, while I_R rises to 50μA max at 600V-still well within typical PFC hold-up and standby loss budgets. t_RR remains stable per characterization data in DS42785 Rev. 7–2.

DTH8L06FP Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: TO-220-2 Full Pack, Isolated Tab

Packaging:: Tube

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 600 V

Current - Average Rectified (Io):: 8A

Voltage - Forward (Vf) (Max) @ If:: 1.3 V @ 8 A

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

Reverse Recovery Time (trr):: 70 ns

Current - Reverse Leakage @ Vr:: 8 µA @ 600 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: ITO-220AC (Type WX)

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

DTH8L06FP FAQ

1.How can I place an order for DTH8L06FP through Aetrix?

Please submit a Request for Quotation (RFQ) for DTH8L06FP 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 DTH8L06FP reliable?

The price and inventory of DTH8L06FP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DTH8L06FP is usually 5 days.

3.What payment methods are accepted for DTH8L06FP?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DTH8L06FP transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DTH8L06FP?

DTH8L06FP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DTH8L06FP 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 DTH8L06FP?

For technical support, including DTH8L06FP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DTH8L06FP requirements.

6.How does Aetrix verify that DTH8L06FP is sourced from the original manufacturer or authorized distributors?

All DTH8L06FP 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 DTH8L06FP meets industry standards.

7.What is the process for return or replacement of DTH8L06FP?

All DTH8L06FP units undergo pre-shipment inspection (PSI). If there is an issue with DTH8L06FP, 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 DTH8L06FP part is unused and in its original packaging.

Return procedure for DTH8L06FP:

1.Submit a request within 90 days.

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

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