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Diodes Incorporated DF08S-T
- Part No.:
- DF08S-T
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Gull Wing
- Datasheet:
-
DF08S-T.pdf
- Description:
- BRIDGE RECT 1PHASE 800V 1A DF-S
- Quantity:
- Payment:
- Shipping:
Inventory:71,089
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Product details
Overview
DF08S-T from Diodes Incorporated is a 1.0A surface-mount standard recovery bridge rectifier with 800V peak repetitive reverse voltage (VRRM), 1.1V maximum forward voltage at 1.0A, and 10µA maximum reverse leakage current at 25°C. It features glass-passivated die construction, 50A non-repetitive surge capability, and UL recognition (E364304) for use in AC/DC power supplies, industrial motor controls, and appliance power input stages.
For engineers reviewing the DF08S-T datasheet, DF08S-T pinout, DF08S-T application, or DF08S-T equivalent, key selection criteria include its 800V blocking rating, thermal resistance of 40°C/W, surface-mount DF-S package compatibility, and compliance with RoHS, halogen-free, and AEC-Q200-capable manufacturing standards.
Technical Context
This single-phase, full-wave bridge rectifier integrates four silicon diodes in a monolithic DF-S molded plastic package. It operates across –55°C to +150°C junction temperature and supports resistive/inductive loads at 60Hz; capacitive loads require 20% current derating.
The device delivers stable rectification with 25pF typical junction capacitance per element at 1MHz/4V reverse bias and maintains 10.4A²s I²t fusing rating under 8.3ms half-sine surge conditions - critical for transient overvoltage resilience in mains-connected systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - Maximum peak reverse voltage the bridge withstands without breakdown; defines safe AC input range up to ~565V RMS. |
| IF(AV) | 1.0 A @ TA = +40°C - Continuous average forward current rating; derates linearly above ambient temperature per Fig. 1. |
| VF Max | 1.1 V @ IF = 1.0A - Forward voltage drop per diode element; determines conduction loss (1.1W total at 1A full-wave). |
| IR Max | 10 µA @ 25°C - Reverse leakage per element; ensures low standby power loss in high-impedance hold-up circuits. |
| IFSM | 50 A - Non-repetitive surge current capacity; enables robustness against line transients and inrush events. |
| RθJA | 40 °C/W - Junction-to-ambient thermal resistance on standard PCB land pattern; guides heatsinking requirements. |
| CT | 25 pF - Typical junction capacitance per diode; impacts EMI filtering design and high-frequency switching noise. |
Pinout & Package
Package: DF-S surface-mount molded plastic package (UL 94V-0), dimensions 7.4–7.9mm × 6.2–6.5mm × 2.4–2.6mm (L×W×H), weight ≈0.38g, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC terminal 1 | One AC input node of full-wave bridge; connects to live/phase side of transformer secondary or line input. |
| AC2 | Input AC terminal 2 | Second AC input node; completes AC input path - polarity must match schematic layout per marking. |
| + (Anode) | Positive DC output | Full-wave rectified positive output; ties to bulk capacitor anode or downstream DC bus. |
| – (Cathode) | Negative DC output | Full-wave rectified negative output; serves as return path and ground reference for DC stage. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and humidity resistance in unsealed industrial environments. |
| 50A surge rating | Withstands 8.3ms half-sine surges without degradation - eliminates need for external MOVs in cost-sensitive designs. |
| RoHS & halogen-free | Meets EU RoHS 3 (2015/863/EU) and "Green" definition (<900ppm Br, <900ppm Cl, <1000ppm Sb); supports eco-compliance reporting. |
| UL Recognized | File E364304 confirms safety compliance for end-equipment certification in North America and globally. |
| Surface-mount optimized | DF-S footprint enables automated assembly and reduces board space vs. through-hole alternatives like GBPC series. |
Applications
| AC/DC Power Supplies | Industrial Motor Drives |
|---|---|
Use Scenario: Mains-powered wall adapters and open-frame power supplies converting 100–240V AC to low-voltage DC. IC Role / Device Role / Timing Role: Full-wave bridge rectifier providing unregulated DC bus prior to smoothing and regulation. Use Value: 800V VRRM accommodates 240V AC + 30% tolerance and transient spikes; 1.1V VF minimizes heat generation at 1A load. | Use Scenario: Control board power input for HVAC blowers, conveyor controllers, and pump drivers. IC Role / Device Role / Timing Role: Input-stage rectifier converting transformer-isolated AC to DC for logic and gate-drive circuitry. Use Value: 50A IFSM handles motor startup inrush; -55°C to +150°C rating supports operation inside enclosures with elevated ambient. |
| Home Appliance Power Inputs | LED Lighting Drivers |
Use Scenario: Power conversion in washing machines, microwaves, and refrigerators with universal AC input. IC Role / Device Role / Timing Role: Primary-side rectifier feeding PFC or buck converter stages. Use Value: UL recognition simplifies end-product safety certification; lead-free, halogen-free construction meets global eco-regulations. | Use Scenario: Off-line LED drivers for commercial downlights and streetlight modules. IC Role / Device Role / Timing Role: Bridge rectifier in quasi-resonant flyback or passive PFC topologies. Use Value: Low 10µA IR at 25°C reduces no-load power consumption; 25pF CT limits high-frequency noise coupling into control ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU8K (ON Semiconductor) | Same 800V VRRM and 1.0A rating, but larger GBU package (10.3 × 14.2 mm); VF = 1.05V typ. | Through-hole mounting only; unsuitable for fully SMT production lines. | Select when legacy through-hole assembly or higher surge margin (60A) is required. |
| MB10F (Vishay) | Smaller MBF package (8.5 × 6.0 mm); same 800V/1A rating; VF = 1.1V max; IR = 5µA max at 25°C. | Slightly lower leakage improves efficiency in battery-backed or ultra-low-power standby modes. | Prefer when board space is constrained and sub-5µA leakage is critical for energy certification. |
Compared with GBU8K and MB10F, DF08S-T offers optimal balance of SMT compatibility, UL recognition, and automotive-grade manufacturing traceability - making it preferred for new industrial and white-goods designs requiring AEC-Q200-aligned supply chain control.
Availability
DF08S-T is available at Aetrix Electronics and suitable for AC/DC power supplies, industrial motor drives, and home appliance power inputs requiring stable component supply, consistent parametric performance, and full regulatory documentation support.
Supply support for DF08S-T 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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.
The DF-S bridge rectifier product line targets cost-sensitive, high-volume power conversion applications where reliability, regulatory compliance, and SMT manufacturability are essential - especially in consumer, industrial, and automotive-qualified systems.
FAQ
What is the maximum operating temperature for DF08S-T?
The DF08S-T has a specified junction and storage temperature range of –55°C to +150°C. Its thermal resistance is 40°C/W junction-to-ambient on a standard PCB land pattern. Derating begins above +40°C ambient, with output current reduced linearly to zero at +150°C per Figure 1 in the datasheet.
Is DF08S-T suitable for automotive applications?
DF08S-T is manufactured in IATF 16949-certified facilities and supports PPAP documentation. While not pre-qualified to AEC-Q101, Diodes states that automotive-grade versions with AEC-Q200 alignment are available upon request - contact Diodes or Aetrix for change-controlled automotive variants and qualification reports.
How does the DF-S package compare to GBPC or GBU packages?
The DF-S package measures 7.4–7.9 × 6.2–6.5 × 2.4–2.6 mm and is surface-mount only. In contrast, GBPC (22 × 18 mm) and GBU (10.3 × 14.2 mm) are through-hole packages. DF-S saves >70% board area and enables full automation, while maintaining comparable electrical ratings and thermal performance per unit volume.
What is the meaning of the "-T" suffix in DF08S-T?
The "-T" suffix indicates tape-and-reel packaging: 1500 units per 13-inch reel. This format is optimized for high-speed pick-and-place assembly. The base part number DF08S denotes the device type and electrical specification; the "-T" is a packing variant, not a functional or parametric revision.
DF08S-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SMD, Gull Wing
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 800 V
- Current - Average Rectified (Io):
- 1 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 1 A
- Current - Reverse Leakage @ Vr:
- 10 µA @ 800 V
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DF-S
DF08S-T FAQ
1.How can I place an order for DF08S-T through Aetrix?
Please submit a Request for Quotation (RFQ) for DF08S-T 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 DF08S-T reliable?
The price and inventory of DF08S-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF08S-T is usually 5 days.
3.What payment methods are accepted for DF08S-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF08S-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF08S-T?
DF08S-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF08S-T 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 DF08S-T?
For technical support, including DF08S-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF08S-T requirements.
6.How does Aetrix verify that DF08S-T is sourced from the original manufacturer or authorized distributors?
All DF08S-T 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 DF08S-T meets industry standards.
7.What is the process for return or replacement of DF08S-T?
All DF08S-T units undergo pre-shipment inspection (PSI). If there is an issue with DF08S-T, 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 DF08S-T part is unused and in its original packaging.
Return procedure for DF08S-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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