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Diodes Incorporated DF15005S
- Part No.:
- DF15005S
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Gull Wing
- Datasheet:
-
DF15005S.pdf
- Description:
- BRIDGE RECT 1PHASE 50V 1.5A DF-S
- Quantity:
- Payment:
- Shipping:
Inventory:40
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Product details
Overview
DF15005S from Diodes Incorporated is a surface-mount standard recovery bridge rectifier with 50 V peak repetitive reverse voltage (VRRM), 1.5 A average forward rectified current (IO), and 1.1 V maximum forward voltage (VFM) at 1.5 A. It features glass passivated die construction, 50 A non-repetitive peak forward surge capability, and UL recognition (E364304). It is used in AC/DC power supplies for industrial control modules requiring compact, RoHS-compliant rectification.
For engineers reviewing the DF15005S datasheet, DF15005S pinout, DF15005S application, or DF15005S equivalent, key selection criteria include its 50 V blocking rating, thermal resistance of 40 °C/W, surge robustness (50 A IFSM), and DF-S package compatibility with automated SMT assembly.
Technical Context
This single-phase, full-wave bridge rectifier integrates four diodes in a monolithic DF-S molded plastic package. Its standard recovery characteristic (typical reverse recovery time not specified but implied by "standard recovery" classification) supports line-frequency (60 Hz) operation with resistive or inductive loads; capacitive loads require 20% current derating.
Thermal performance is defined with 5.0 mm² copper land areas (0.03 mm thick), yielding RθJA = 40 °C/W. The device operates across –55 °C to +150 °C and exhibits 25 pF typical junction capacitance per element at 1 MHz and 4 V reverse bias.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum peak reverse voltage the device blocks without breakdown; sets usable AC input range (e.g., ≤35 V RMS). |
| IO | 1.5 A @ TA = +40°C - Continuous DC output current capability under defined ambient conditions; derates above 40°C per Fig. 1. |
| VFM | 1.1 V @ IF = 1.5 A - Forward conduction loss per diode element; determines power dissipation (1.65 W total bridge at full load). |
| IFSM | 50 A - Single half-sine surge withstand (8.3 ms); enables robustness against line transients and inrush currents. |
| IRM | 10 µA @ 25°C - Leakage current at rated DC blocking voltage; low value supports stable hold-off in standby modes. |
| RθJA | 40 °C/W - Junction-to-ambient thermal resistance on standard PCB layout; informs heatsinking requirements for thermal design. |
| CT | 25 pF - Typical junction capacitance per element at 1 MHz / 4 V; impacts high-frequency noise coupling and EMI filtering design. |
Pinout & Package
DF15005S uses the DF-S surface-mount package: molded plastic, UL 94V-0 rated, 7.4–7.9 mm length × 6.2–6.5 mm width × 1.0–1.2 mm height, with tin-solderable leads and 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 AC line. |
| AC2 | Input AC Terminal 2 | Second AC input node; completes AC input path; polarity must match schematic marking. |
| + (Anode) | Positive DC Output | Full-wave rectified positive output terminal; supplies filtered DC bus to downstream regulators or loads. |
| – (Cathode) | Negative DC Output | Full-wave rectified negative/return terminal; serves as common reference for DC output circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and moisture resistance versus epoxy-passivated alternatives; critical for industrial environments. |
| UL Recognized Component | File E364304 confirms compliance with UL 60747-4; reduces certification burden for end-equipment safety approvals. |
| Lead-free & RoHS compliant | Meets EU RoHS 2/3 directives with all applicable exemptions; supports global environmental compliance programs. |
| Surface-mount optimized | DF-S footprint enables high-density PCB layouts and compatibility with standard reflow soldering profiles (J-STD-020 Level 1). |
Applications
| Industrial AC/DC Power Supplies | Appliance Control Boards |
|---|---|
Use Scenario: Converting 24 VAC transformer output to unregulated DC for logic-level power rails in PLC I/O modules. IC Role / Device Role / Timing Role: Full-wave bridge rectifier providing isolated, low-ripple DC input to linear regulators or buck converters. Use Value: 1.5 A IO and 50 A IFSM ensure reliable operation during motor startup surges and transient overloads. | Use Scenario: Rectifying 12 VAC from internal transformer in washing machine main control board. IC Role / Device Role / Timing Role: Primary AC-to-DC conversion stage feeding microcontroller power management ICs. Use Value: Glass passivation and –55 °C to +150 °C operating range support harsh thermal cycling in sealed appliance enclosures. |
| LED Driver Input Stages | Small-Motor Drive Power Inputs |
Use Scenario: Front-end rectification in constant-current LED drivers for commercial signage using 12–24 VAC input. IC Role / Device Role / Timing Role: Bridge rectifier delivering pulsating DC to smoothing capacitor and switching controller. Use Value: Low 1.1 V VFM minimizes conduction loss and improves overall driver efficiency at 1.5 A load points. | Use Scenario: Power conversion for 24 VDC brushed motor drivers in HVAC damper actuators. IC Role / Device Role / Timing Role: Rectifying transformer-coupled AC to generate local DC bus for H-bridge gate drivers. Use Value: 40 °C/W RθJA allows direct mounting on FR-4 without heatsink in thermally constrained actuator housings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU4A | Same 50 V VRRM and 1.5 A IO, but GBU package (larger, through-hole); higher RθJA (~50 °C/W). | Requires through-hole assembly and larger PCB area; unsuitable for high-density SMT designs. | Select when legacy through-hole manufacturing or higher surge margin (60 A IFSM) is prioritized over size. |
| DF15005 | Identical electrical specs but leaded (through-hole) DF package; no RoHS exemption note in datasheet revision. | Lacks tape-and-reel packaging and J-STD-020 moisture sensitivity compliance. | Choose only for prototyping or low-volume hand-soldered builds where SMT infrastructure is unavailable. |
Compared with GBU4A and DF15005, DF15005S delivers identical 50 V/1.5 A performance in a smaller, RoHS-compliant, moisture-insensitive SMT package-enabling higher board density, automated assembly, and simplified compliance documentation for volume production.
Availability
DF15005S is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, appliance control boards, LED driver input stages, and small-motor drive power inputs requiring stable component supply and SMT manufacturability.
Supply support for DF15005S 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 engineered for cost-effective, high-reliability AC/DC front-end conversion in space-constrained industrial, appliance, and lighting applications-emphasizing SMT readiness, thermal robustness, and regulatory compliance.
FAQ
What is the maximum allowable ambient temperature for continuous 1.5 A operation?
DF15005S delivers its full 1.5 A average forward current only at TA = +40°C, as specified in the Absolute Maximum Ratings table. Above +40°C, current must be linearly derated per Figure 1: at +85°C ambient, maximum IO drops to approximately 0.9 A. Thermal design must account for RθJA = 40 °C/W and actual PCB copper area.
Is DF15005S qualified for automotive applications?
No-DF15005S is not AEC-Q101 qualified. While it operates from –55°C to +150°C, Diodes explicitly states that automotive-grade parts require separate qualification (AEC-Q100/101/200), PPAP capability, and IATF 16949 manufacturing. This part is intended for industrial and commercial use only.
Can DF15005S replace DF15005 in an existing design?
Yes, electrically and functionally-both share identical VRRM, IO, VFM, and IFSM ratings. However, DF15005S uses the surface-mount DF-S package versus the through-hole DF package of DF15005. Layout redesign and reflow process validation are required; mechanical fit and thermal behavior differ significantly.
What is the recommended pad layout for DF-S package assembly?
Diodes specifies exact pad dimensions and spacing in its official package outline drawing (Document DS17002, Page 4). Users must reference http://www.diodes.com/package-outlines.html for the latest DF-S footprint, including land pattern tolerances, solder mask clearance, and stencil aperture recommendations to ensure reliable reflow joint formation and avoid bridging.
DF15005S Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SMD, Gull Wing
- Packaging:
- Bulk
- Product Status:
- Active
- 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 @ 1.5 A
- Current - Reverse Leakage @ Vr:
- 10 µA @ 50 V
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DF-S
DF15005S FAQ
1.How can I place an order for DF15005S through Aetrix?
Please submit a Request for Quotation (RFQ) for DF15005S 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 DF15005S reliable?
The price and inventory of DF15005S are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF15005S is usually 5 days.
3.What payment methods are accepted for DF15005S?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF15005S transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF15005S?
DF15005S orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF15005S 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 DF15005S?
For technical support, including DF15005S datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF15005S requirements.
6.How does Aetrix verify that DF15005S is sourced from the original manufacturer or authorized distributors?
All DF15005S 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 DF15005S meets industry standards.
7.What is the process for return or replacement of DF15005S?
All DF15005S units undergo pre-shipment inspection (PSI). If there is an issue with DF15005S, 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 DF15005S part is unused and in its original packaging.
Return procedure for DF15005S:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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