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Vishay General Semiconductor - Diodes Division DF005MA-E3/45
- Part No.:
- DF005MA-E3/45
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Bridge Rectifiers
- Package:
- 4-EDIP (0.300", 7.62mm)
- Datasheet:
-
DF005MA-E3/45.pdf
- Description:
- BRIDGE RECT 1PHASE 50V 1A DFM
- Quantity:
- Payment:
- Shipping:
Inventory:6,846
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Product details
Overview
DF005MA-E3/45 from Vishay General Semiconductor is a miniature glass passivated single-phase bridge rectifier with 50 V maximum repetitive peak reverse voltage (VRRM), 1.0 A average forward output current (IF(AV)), and 30 A peak forward surge current (IFSM). It uses a DFM package, features matte tin-plated leads compliant with J-STD-002, and is rated for operation from –55 °C to +150 °C junction temperature - deployed in AC/DC full-wave rectification for compact power adapters.
For engineers reviewing the DF005MA-E3/45 datasheet, DF005MA-E3/45 pinout, DF005MA-E3/45 application, or DF005MA-E3/45 equivalent, key selection criteria include its 50 V VRRM, 1.1 V forward voltage at 1.0 A, 5 µA reverse leakage at 25 °C, thermal resistance of 40 °C/W (junction-to-ambient), and UL E54214 recognition for safety-critical board-level integration.
Technical Context
This device integrates four diodes in a single-phase bridge configuration (quad arrangement) with glass passivation for enhanced reliability under thermal cycling and humidity stress. Its DFM case meets UL 94 V-0 flammability rating and supports automated insertion and solder dip up to 275 °C for 10 s.
Designed for low-profile PCB mounting on 13 mm × 13 mm copper pads, the DF005MA-E3/45 delivers stable rectification performance across ambient temperatures from –55 °C to +150 °C, with I2t rating of 4.5 A²s for fusing protection and typical junction capacitance of 25 pF per diode at 4.0 V / 1 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum repetitive reverse voltage the bridge withstands without breakdown; defines safe AC input range for 35 V RMS applications. |
| IF(AV) | 1.0 A at TA = 40 °C - Continuous DC output current capability under standard PCB thermal conditions. |
| VF @ 1.0 A | 1.1 V - Forward voltage drop per diode; determines conduction loss and thermal load in high-efficiency adapter designs. |
| IR @ 25 °C | 5 µA - Reverse leakage per diode; critical for low-power standby and energy-efficient SMPS compliance. |
| TJ max. | +150 °C - Maximum junction temperature; enables operation in enclosed, thermally constrained environments like wall adapters. |
| RθJA | 40 °C/W - Junction-to-ambient thermal resistance on standard PCB; informs heatsinking requirements for sustained 1 A loads. |
| IFSM | 30 A - Non-repetitive surge current handling; supports inrush tolerance during cold-start of capacitive-input rectifiers. |
Pinout & Package
DF005MA-E3/45 is housed in the DFM surface-mount-compatible package - a miniature, molded plastic case with 4 external terminals, UL 94 V-0 rated, and lead-free (RoHS-compliant E3 suffix). Dimensions: 8.51 mm × 7.6 mm × 2.03 mm (L × W × H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ~ (AC1) | AC input terminal 1 | One side of AC input winding; connects to transformer secondary or line input in full-wave bridge topology. |
| ~ (AC2) | AC input terminal 2 | Second side of AC input; completes AC path into bridge; polarity not interchangeable with ~ (AC1). |
| + (DC+) | Positive DC output | Anode of output diodes; delivers rectified positive voltage to filter capacitor and load. |
| – (DC–) | Negative DC output / common return | Cathode of output diodes; serves as ground reference and return path for DC load current. |
Key Features
| Feature | Design Value |
|---|---|
| UL recognition (E54214) | Enables direct use in certified end equipment without additional safety qualification effort. |
| Glass passivation | Provides robust moisture and contamination resistance for long-term reliability in humid or dusty environments. |
| Solder dip 275 °C / 10 s | Supports wave-soldering process compatibility without degradation of electrical or mechanical integrity. |
| JESD 201 Class 1A whisker test | Ensures lead finish stability under thermal cycling, preventing tin whisker growth in high-reliability applications. |
| Quad bridge configuration | Integrates complete single-phase rectifier in one footprint, reducing component count and layout area vs discrete diodes. |
Applications
| Compact Wall Adapters | LED Lighting Ballasts |
|---|---|
Use Scenario: Low-cost, space-constrained AC/DC conversion for USB chargers and plug-in adapters operating from 100–240 VAC input. IC Role / Device Role / Timing Role: Single-phase bridge rectifier converting AC mains to pulsating DC prior to smoothing and regulation. Use Value: DFM package enables <8.6 mm × 7.7 mm board area; 1.1 V VF limits conduction loss at 1 A, supporting >80% efficiency targets. | Use Scenario: Input-stage rectification in electronic ballasts driving fluorescent or HID lamps in commercial lighting fixtures. IC Role / Device Role / Timing Role: Full-wave bridge providing unidirectional current to high-voltage DC bus feeding resonant inverters. Use Value: 30 A IFSM handles lamp ignition surges; 150 °C TJ max ensures stability near hot lamp housings. |
| Office Equipment Power Supplies | Telecom Line-Powered Devices |
Use Scenario: Primary-side rectification in auxiliary power supplies for printers, scanners, and multifunction peripherals. IC Role / Device Role / Timing Role: Bridge rectifier feeding bulk capacitor in offline flyback or buck-derived converters. Use Value: UL E54214 certification simplifies system-level safety approvals; 5 µA IR minimizes standby power loss. | Use Scenario: AC input rectification in PoE-powered network devices (e.g., IP phones, wireless APs) with local AC/DC backup. IC Role / Device Role / Timing Role: Mains-fed bridge supplying isolated DC bus when PoE is unavailable. Use Value: Glass passivation prevents corrosion from indoor environmental contaminants; matte tin plating ensures solder joint integrity over 10+ year lifetimes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU2K-E3/45 | Higher VRRM (200 V), same IF(AV) (1.0 A), larger GBU package (12.7 mm × 10.2 mm). | Used where higher reverse voltage margin is required, e.g., 120 VAC systems with line transients. | Select GBP2K-E3/45 only if ≥200 V blocking is needed; DF005MA-E3/45 saves board space in 50 V–rated designs. |
| DB105S | Same VRRM (50 V), identical DFM-equivalent package (but non-UL-recognized), lower surge rating (25 A vs 30 A). | Acceptable for cost-sensitive consumer products where UL certification is not mandated. | DF005MA-E3/45 preferred for safety-certified industrial or medical-adjacent designs due to UL E54214 and higher IFSM. |
Compared with GB105S and GBU2K-E3/45, DF005MA-E3/45 uniquely balances UL recognition, 50 V rating, and compact DFM footprint - making it optimal for space-limited, safety-compliant 1 A AC/DC front-ends where higher voltage or legacy package compatibility is unnecessary.
Availability
DF005MA-E3/45 is available at Aetrix Electronics and suitable for compact wall adapters, LED lighting ballasts, office equipment power supplies, and telecom line-powered devices requiring stable component supply and RoHS-compliant manufacturing.
Supply support for DF005MA-E3/45 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and optoelectronics with emphasis on reliability, efficiency, and application-specific optimization.
The DF series bridge rectifiers are engineered for high-volume, cost-sensitive AC/DC conversion in consumer, industrial, and lighting applications - prioritizing small footprint, thermal robustness, and regulatory compliance.
FAQ
What is the maximum operating temperature for DF005MA-E3/45?
The DF005MA-E3/45 has a specified operating junction temperature range of –55 °C to +150 °C. This allows reliable deployment in thermally demanding environments such as enclosed power adapters or lighting fixtures. Derating begins above 40 °C ambient for full 1.0 A IF(AV) output, per the datasheet's derating curve. Thermal design must account for RθJA = 40 °C/W on standard PCB copper pads.
Does DF005MA-E3/45 require heatsinking in typical 1 A applications?
DF005MA-E3/45 does not require an external heatsink when mounted on a PCB with 13 mm × 13 mm copper pads and operated within its derated current envelope (≤1.0 A at TA ≤ 40 °C). Its RθJA of 40 °C/W and 1.1 V forward drop generate manageable power dissipation (~1.1 W at 1 A), provided adequate board copper and airflow are maintained.
Is DF005MA-E3/45 compatible with lead-free reflow processes?
Yes, DF005MA-E3/45 is RoHS-compliant (E3 suffix) and qualified for lead-free soldering. Its matte tin-plated leads meet J-STD-002 and JESD 22-B102 standards, and the package withstands solder dip up to 275 °C for 10 s. For reflow, follow Vishay's recommended profile with peak temperature ≤260 °C and time above liquidus ≤60 s.
How does the glass passivation in DF005MA-E3/45 improve reliability?
Glass passivation on the DF005MA-E3/45 die surface provides superior protection against moisture ingress, ionic contamination, and thermal stress-induced degradation compared to polymer passivation. This significantly extends operational life in humid or chemically aggressive environments - critical for outdoor lighting, industrial controls, and long-lifecycle consumer adapters where field failure must be minimized.
Can DF005MA-E3/45 replace DF01MA-E3/45 in a design?
No - DF005MA-E3/45 (50 V VRRM) is not a functional replacement for DF01MA-E3/45 (100 V VRRM). Substituting them risks reverse breakdown under normal 100 VAC-derived peak voltages (~141 V). The DF005MA-E3/45 is strictly rated for ≤50 V DC blocking and ≤35 V RMS AC input. Always verify VRRM margin against worst-case line transients before interchange.
DF005MA-E3/45 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- 4-EDIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 50 V
- Current - Average Rectified (Io):
- 1 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:
- Through Hole
- Supplier Device Package:
- DFM
DF005MA-E3/45 FAQ
1.How can I place an order for DF005MA-E3/45 through Aetrix?
Please submit a Request for Quotation (RFQ) for DF005MA-E3/45 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 DF005MA-E3/45 reliable?
The price and inventory of DF005MA-E3/45 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF005MA-E3/45 is usually 5 days.
3.What payment methods are accepted for DF005MA-E3/45?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF005MA-E3/45 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF005MA-E3/45?
DF005MA-E3/45 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF005MA-E3/45 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 DF005MA-E3/45?
For technical support, including DF005MA-E3/45 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF005MA-E3/45 requirements.
6.How does Aetrix verify that DF005MA-E3/45 is sourced from the original manufacturer or authorized distributors?
All DF005MA-E3/45 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 DF005MA-E3/45 meets industry standards.
7.What is the process for return or replacement of DF005MA-E3/45?
All DF005MA-E3/45 units undergo pre-shipment inspection (PSI). If there is an issue with DF005MA-E3/45, 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 DF005MA-E3/45 part is unused and in its original packaging.
Return procedure for DF005MA-E3/45:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DF005MA-E3/45 Tags
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