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Diodes Incorporated DF005M
- Part No.:
- DF005M
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-EDIP (0.300", 7.62mm)
- Datasheet:
-
DF005M.pdf
- Description:
- BRIDGE RECT 1PHASE 50V 1A DFM
- Quantity:
- Payment:
- Shipping:
Inventory:2,758
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Product details
Overview
DF005M from Diodes Incorporated is a 1.0A standard recovery bridge rectifier with 50V maximum repetitive peak reverse voltage (VRRM), 1.1V max forward voltage (VF) at 1.0A, and 10µA max reverse leakage current at 25°C. It features glass-passivated die construction, 50A non-repetitive surge capability, and is designed for PCB-mounted AC/DC front-end rectification in low-voltage power supplies.
For engineers reviewing the DF005M datasheet, DF005M pinout, DF005M application, or DF005M equivalent, key selection criteria include its 50V VRRM, standard recovery speed (trr not specified but implied by "standard recovery" classification), thermal resistance of 40°C/W, compact DF-M package, and UL recognition under file E364304.
Technical Context
This single-phase full-wave bridge rectifier integrates four silicon diodes in one molded plastic package (DF-M) with bright tin-plated leads. Its glass-passivated junction ensures stable reverse blocking and robust surge tolerance up to 50A peak for 8.3 ms half-sine wave.
Rated for continuous 1.0A average output current at +40°C ambient, it operates across –55°C to +150°C junction temperature range and exhibits typical junction-to-ambient thermal resistance of 40°C/W on a 5.0 mm² copper pad - critical for thermal management in space-constrained power adapters and industrial controls.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum reverse voltage the device blocks continuously without breakdown; defines safe AC input range (e.g., ≤35 V RMS). |
| IO | 1.0 A @ +40°C - Continuous DC output current rating; derates above ambient due to thermal limits. |
| VF Max | 1.1 V @ 1.0A - Forward voltage drop determines conduction loss (1.1W max at full load); impacts efficiency and heatsink sizing. |
| IR Max | 10 µA @ 25°C - Reverse leakage sets standby power loss and affects high-impedance sensing circuits. |
| IFSM | 50 A - Peak surge current handling enables robustness against line transients and inrush events. |
| RθJA | 40 °C/W - Thermal resistance dictates required PCB copper area (5.0 mm² per datasheet test condition) for safe operation. |
| Package | DF-M - Surface-mountable molded plastic package with 4-pin configuration; compatible with standard reflow profiles. |
Pinout & Package
DF005M uses the DF-M package: a compact, surface-mountable, 4-terminal molded plastic housing with bright tin-plated leads. Dimensions: 7.4–7.9 mm (L) × 6.2–6.5 mm (W) × 2.4–3.4 mm (H), weight ≈ 0.38 g. Polarity is marked on case per industry-standard bridge orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC terminal 1 | One AC input node of full-wave bridge; connects to transformer secondary or AC line input. |
| AC2 | Input AC terminal 2 | Second AC input node; completes AC input path for full-wave rectification. |
| + (Anode Output) | Positive DC output | Common anode connection of two diodes; delivers rectified positive voltage to filter capacitor/load. |
| – (Cathode Output) | Negative DC output / Ground reference | Common cathode connection of two diodes; serves as return path and system ground reference. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die | Enhances long-term reliability and moisture resistance; prevents junction degradation under humid or thermally cycling conditions. |
| 50A surge rating (8.3 ms) | Withstands repeated line surges and cold-start inrush without failure - critical for unregulated wall adapters and motor drives. |
| UL Recognized (E364304) | Validates safety compliance for end-equipment certification (e.g., IEC/EN 62368-1); reduces qualification effort for OEMs. |
| Lead-free & RoHS 3 compliant | Meets EU Directive 2015/863/EU; supports global environmental compliance and eliminates lead-based solder compatibility concerns. |
| DF-M package footprint | Enables high-density PCB layout; standardized land pattern simplifies design reuse across DF-series rectifiers (DF005M–DF10M). |
Applications
| AC/DC Wall Adapters | Industrial Control Power Supplies |
|---|---|
|
Use Scenario: Low-power offline AC/DC conversion in Class II plug-in adapters (e.g., 5–12 V, <12 W). IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting 120/230 VAC input to pulsating DC prior to smoothing and regulation. Use Value: 1.1 V VF minimizes conduction loss at 1A; 50V VRRM safely handles 35 V RMS inputs with margin. |
Use Scenario: Auxiliary power supply for PLC I/O modules, sensors, and relay drivers operating from 24 VAC control lines. IC Role / Device Role / Timing Role: Input-stage rectifier delivering isolated DC bias to logic and analog circuitry. Use Value: UL recognition (E364304) and –55°C to +150°C operating range support industrial-grade reliability and safety certification. |
| LED Driver Input Stage | Appliance Power Conversion |
|
Use Scenario: Rectification stage in constant-voltage LED drivers for residential/commercial lighting (e.g., 12 V/24 V output). IC Role / Device Role / Timing Role: Converts AC mains or low-voltage AC to DC bus feeding buck or linear regulator stages. Use Value: Compact DF-M package saves board space; 10 µA IR at 25°C ensures minimal standby loss in always-on lighting systems. |
Use Scenario: Primary-side rectification in small white goods (e.g., microwave oven control boards, coffee maker logic supplies). IC Role / Device Role / Timing Role: Provides unregulated DC rail for microcontroller, display, and interface ICs. Use Value: 50A IFSM withstands compressor or heater inrush; RoHS 3 compliance meets global appliance regulatory requirements. |
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 1.0A/50V rating, GBU package (larger, through-hole), higher RθJA (~50°C/W), no UL listing. | Requires through-hole assembly; less suitable for high-density SMT production. | Select if legacy through-hole design or higher surge margin (60A) is prioritized over size and certification. |
| MB6S (Vishay) | 1.0A/600V rating, same DF-M package, higher VRRM, 1.15V VF, UL recognized (E170277). | Over-spec'd for 50V use but enables BOM consolidation across multiple input voltage variants. | Choose when future-proofing for higher-input designs or leveraging common DF-M footprint across voltage grades. |
Compared with GBU4A and MB6S, DF005M offers optimal balance of certified safety (UL E364304), compact SMT fit, and precise 50V rating - minimizing voltage overhead and cost in dedicated low-voltage AC/DC systems.
Availability
DF005M is available at Aetrix Electronics and suitable for AC/DC wall adapters, industrial control power supplies, LED driver input stages, and appliance power conversion requiring stable component supply and consistent DF-M package compatibility.
Supply support for DF005M 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.
DF005M belongs to the DF-series standard recovery bridge rectifier product line, engineered for cost-sensitive, high-volume AC/DC front-end applications where reliability, safety certification, and SMT manufacturability are essential.
FAQ
Is DF005M suitable for automotive applications?
No - DF005M is not qualified to AEC-Q101 or other automotive stress standards. While it operates from –55°C to +150°C, Diodes explicitly states that automotive-grade parts require separate PPAP-capable, IATF 16949-certified production and AEC qualification; DF005M is intended for industrial and consumer power supplies only.
What is the thermal performance limit for continuous 1.0A operation?
DF005M is rated for 1.0A average output current only at +40°C ambient temperature. At higher ambient temperatures, derating is required per the thermal resistance (RθJA = 40°C/W) and maximum junction temperature (TJ = +150°C). For example, at +60°C ambient, max sustainable current drops to ~0.75A assuming no additional heatsinking.
Does DF005M have a specified reverse recovery time (trr)?
No - the datasheet does not specify trr. The device is classified as a "standard recovery" bridge rectifier, indicating trr is in the microseconds range (typically > 1 µs), unsuitable for high-frequency switching (e.g., >20 kHz) but appropriate for 50/60 Hz and low-kHz line-frequency applications.
Can DF005M be used in place of DF01M or DF02M?
No - DF005M has a 50V VRRM rating, while DF01M is 100V and DF02M is 200V. Substituting DF005M in circuits with higher AC input voltages risks reverse breakdown and catastrophic failure. Voltage ratings are not interchangeable; always match VRRM to worst-case peak input voltage with ≥20% margin.
DF005M Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- 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:
- 10 µA @ 50 V
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DFM
DF005M FAQ
1.How can I place an order for DF005M through Aetrix?
Please submit a Request for Quotation (RFQ) for DF005M 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 DF005M reliable?
The price and inventory of DF005M are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF005M is usually 5 days.
3.What payment methods are accepted for DF005M?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF005M transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF005M?
DF005M orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF005M 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 DF005M?
For technical support, including DF005M datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF005M requirements.
6.How does Aetrix verify that DF005M is sourced from the original manufacturer or authorized distributors?
All DF005M 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 DF005M meets industry standards.
7.What is the process for return or replacement of DF005M?
All DF005M units undergo pre-shipment inspection (PSI). If there is an issue with DF005M, 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 DF005M part is unused and in its original packaging.
Return procedure for DF005M:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DF005M Tags
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