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onsemi DF005S
- Part No.:
- DF005S
- Manufacturer:
- onsemi
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Gull Wing
- Datasheet:
-
DF005S.pdf
- Description:
- BRIDGE RECT 1P 50V 1.5A 4-SDIP
- Quantity:
- Payment:
- Shipping:
Inventory:182
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Product details
Overview
DF005S from Diodes Incorporated is a 1.0A surface-mount standard recovery bridge rectifier with 50V peak repetitive reverse voltage (VRRM), 1.1V max forward voltage at 1.0A, and 10µA max reverse leakage at 25°C, used in AC/DC power supplies for consumer adapters and industrial control power stages.
For engineers reviewing the DF005S datasheet, DF005S pinout, DF005S application, or DF005S equivalent, key selection criteria include its 50V blocking rating, 50A non-repetitive surge capability, DF-S package thermal resistance of 40°C/W, and compliance with UL E364304, RoHS, and halogen-free requirements.
Technical Context
The DF005S integrates four silicon diodes in a single-phase full-wave bridge configuration with glass-passivated junctions, enabling standard recovery switching (trr ≈ 1.5–2.5µs typical per element) suitable for 50/60Hz line-frequency rectification. Its internal schematic shows AC1–AC2 inputs and +/– DC outputs with polarity marked on the package.
Designed for surface-mount assembly, it uses tin-finished terminals solderable per MIL-STD-202 Method 208 and meets J-STD-020 Level 1 moisture sensitivity. Thermal performance is characterized with 5.0mm² copper land areas, yielding RθJA = 40°C/W under defined PCB conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum peak reverse voltage before breakdown; sets safe operating limit for 35V RMS input circuits. |
| IF(AV) | 1.0 A - Average forward current at TA = +40°C; defines continuous DC output capability in linear power supplies. |
| VF Max | 1.1 V @ 1.0A - Forward voltage drop per diode element; determines conduction loss and thermal load at rated current. |
| IFSM | 50 A @ 8.3ms - Non-repetitive surge rating; supports inrush current handling during AC power-up in transformer-based supplies. |
| IR Max | 10 µA @ 25°C - Reverse leakage per element; impacts standby power loss and high-impedance bias stability. |
| RθJA | 40 °C/W - Junction-to-ambient thermal resistance; requires ≥5.0mm² copper pad for safe 1A operation at +40°C ambient. |
| CT | 25 pF @ 1MHz - Typical capacitance per diode; influences EMI filtering design and high-frequency noise coupling. |
Pinout & Package
Package: DF-S molded plastic case (UL 94V-0), dimensions 7.4–7.9mm × 6.2–6.5mm × 2.4–2.6mm (L×W×H), weight ≈0.38g, with tin-plated terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | AC Input Terminal 1 | One leg of AC input; connects to transformer secondary or AC line; marked with cathode band on top view. |
| AC2 | AC Input Terminal 2 | Second leg of AC input; completes full-wave bridge input path; unmarked side of package. |
| + | Positive DC Output | Anode of output diodes; delivers rectified positive voltage to filter capacitor and load. |
| – | Negative DC Output / Common | Cathode of output diodes; serves as circuit ground reference and return path for DC load current. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Enhances long-term reliability and humidity resistance in unsealed industrial environments without conformal coating. |
| 50A surge overload rating | Enables robust startup behavior in transformer-coupled supplies with high magnetizing inrush currents. |
| UL Recognized Component (E364304) | Satisfies safety certification requirements for end-equipment without additional system-level isolation testing. |
| Lead-free, halogen- and antimony-free | Meets global environmental regulations (RoHS 3, JEDEC JS709E) and supports "Green" manufacturing programs. |
| DF-S surface-mount package | Optimized footprint for automated placement and reflow; compatible with standard 13-inch tape-and-reel (DF005S-T) or tube packaging. |
Applications
| AC/DC Wall Adapters | Industrial Control Power Supplies |
|---|---|
Use Scenario: 50/60Hz AC input rectification in compact 5–12V output wall adapters for IoT sensors and USB-powered devices. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting low-voltage AC to pulsating DC prior to smoothing capacitor and LDO regulation. Use Value: Low 1.1V VF minimizes conduction loss and thermal rise in space-constrained enclosures with limited airflow. | Use Scenario: Primary-side rectification in DIN-rail mounted PLC power modules operating from 24VAC control lines. IC Role / Device Role / Timing Role: Standard-recovery bridge providing isolated DC bus for logic and relay driver circuits in factory automation systems. Use Value: 50V VRRM matches common 35V RMS industrial AC sources; UL recognition simplifies CE/UKCA compliance documentation. |
| LED Driver Input Stages | Appliance Power Entry Modules |
Use Scenario: Input rectification in constant-current LED drivers for commercial lighting, fed from 12–24VAC transformers. IC Role / Device Role / Timing Role: Bridge rectifier delivering unregulated DC to buck converter ICs; operates at line frequency with minimal switching stress. Use Value: 25pF junction capacitance limits high-frequency noise injection into downstream PWM controllers and reduces EMI filter size. | Use Scenario: Mains-input rectification in white goods (e.g., washing machine control boards) using split-phase 120VAC supply. IC Role / Device Role / Timing Role: Compact SMT bridge replacing through-hole alternatives to reduce PCB area and assembly cost in high-volume appliances. Use Value: DF-S package enables automated placement and reflow compatibility; 0.38g weight supports vibration-resistant mounting in rotating machinery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU4A (ON Semiconductor) | Same 1A/50V rating, but GBU package (10.1×7.1mm) is larger; VF = 1.05V typical; IFSM = 50A. | Through-hole mounting only; unsuitable for fully SMT designs requiring DF-S footprint. | Select when legacy through-hole assembly is required or higher creepage distance is mandated. |
| MB6S (Vishay) | Same DF-S package and pinout; 1A/600V rating; VF = 1.1V; IR = 5µA @ 25°C; slightly lower surge rating (30A). | Higher VRRM allows use in universal-input (85–265VAC) SMPS front-ends where DF005S is insufficient. | Select when future-proofing for wider input voltage range or lower leakage is prioritized over cost. |
Compared with GBU4A and MB6S, DF005S offers the lowest profile and smallest footprint among 1A bridges while maintaining 50A surge capability-ideal for cost-sensitive, space-constrained 50V AC-fed systems where higher voltage ratings are unnecessary.
Availability
DF005S is available at Aetrix Electronics and suitable for AC/DC wall adapters, industrial control power supplies, LED driver input stages, and appliance power entry modules requiring stable component supply across production lifecycles.
Supply support for DF005S 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 North America.
The DF-series bridge rectifiers are part of Diodes' standard recovery power diode product line, engineered for cost-effective, high-reliability AC/DC conversion in consumer, industrial, and automotive auxiliary power applications.
FAQ
What is the maximum allowable ambient temperature for continuous 1.0A operation?
DF005S supports 1.0A average forward current only up to +40°C ambient temperature, as specified in the derating curve. At higher temperatures, current must be reduced linearly: e.g., 0.5A at +100°C ambient. This limit assumes PCB mounting with 5.0mm² copper land areas per terminal.
Is DF005S qualified for automotive applications?
No-DF005S is not AEC-Q101 qualified. It lacks automotive-specific change control, PPAP documentation, and IATF 16949 manufacturing validation. For automotive use, Diodes recommends contacting their automotive team for AEC-Q101-qualified alternatives such as the ABS10x series.
Can DF005S replace a DB107 in an existing design?
No-DB107 is a 1A/1000V bridge in DIP-4 package with different pinout and voltage rating. DF005S has only 50V VRRM and DF-S SMT footprint. Direct replacement would cause immediate failure under 100V+ AC input. Use MB6S (600V, same DF-S package) only if voltage rating permits.
What is the recommended PCB pad layout for DF-S package?
Diodes specifies minimum pad dimensions matching the DF-S outline: 7.7mm × 6.35mm per terminal with 1.2mm spacing between AC1/AC2 and +/– pads. Suggested layout includes thermal relief for soldering and ≥5.0mm² copper area per terminal to achieve RθJA = 40°C/W. Full details are at diodes.com/package-outlines.html.
DF005S Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 4-SMD, Gull Wing
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 50 V
- Current - Average Rectified (Io):
- 1.5 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 1 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 50 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 4-SDIP
DF005S FAQ
1.How can I place an order for DF005S through Aetrix?
Please submit a Request for Quotation (RFQ) for DF005S 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 DF005S reliable?
The price and inventory of DF005S are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF005S is usually 5 days.
3.What payment methods are accepted for DF005S?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF005S transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF005S?
DF005S orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF005S 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 DF005S?
For technical support, including DF005S datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF005S requirements.
6.How does Aetrix verify that DF005S is sourced from the original manufacturer or authorized distributors?
All DF005S 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 DF005S meets industry standards.
7.What is the process for return or replacement of DF005S?
All DF005S units undergo pre-shipment inspection (PSI). If there is an issue with DF005S, 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 DF005S part is unused and in its original packaging.
Return procedure for DF005S:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DF005S Tags
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