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Diodes Incorporated DF1506S-T
- Part No.:
- DF1506S-T
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Gull Wing
- Datasheet:
-
DF1506S-T.pdf
- Description:
- BRIDGE RECT 1P 600V 1.5A DF-S
- Quantity:
- Payment:
- Shipping:
Inventory:9,866
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Product details
Overview
DF1506S-T from Diodes Incorporated is a surface-mount standard recovery bridge rectifier with 600 V peak repetitive reverse voltage, 1.5 A average forward current, and 1.1 V maximum forward voltage per element at 1.5 A. It features glass-passivated die construction, 50 A non-repetitive surge capability, and UL recognition (E364304), designed for AC/DC power conversion in compact industrial power supplies.
For engineers reviewing the DF1506S-T datasheet, DF1506S-T pinout, DF1506S-T application, or DF1506S-T equivalent, key selection criteria include its 600 V blocking rating, thermal resistance of 40 °C/W, moisture sensitivity level 1, and compatibility with automated SMT assembly on FR-4 PCBs with defined pad layout.
Technical Context
This single-phase, full-wave bridge rectifier integrates four silicon diodes in a monolithic DF-S package. Its standard recovery characteristic (typical reverse recovery time not specified but implied by "standard recovery" classification) supports line-frequency (50/60 Hz) operation with resistive or inductive loads; capacitive loads require 20% current derating.
The device operates across –55 °C to +150 °C junction temperature range and exhibits 25 pF typical junction capacitance per element at 1 MHz and 4 V reverse bias. Thermal performance is characterized with 5.0 mm² copper land areas, yielding 40 °C/W junction-to-ambient resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - Maximum peak reverse voltage the device blocks without breakdown; defines usable AC input voltage range (e.g., ≤420 V RMS). |
| IF(AV) | 1.5 A @ TA = +40°C - Continuous DC output current capability under defined ambient conditions; derates above 40°C per Fig. 1. |
| VF Max | 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); supports inrush current handling in transformer-fed supplies. |
| IR Max | 10 µA @ 25°C / 500 µA @ 125°C - Leakage current limits; impacts standby power and high-temperature reliability. |
| RθJA | 40 °C/W - Junction-to-ambient thermal resistance on standard PCB; used to calculate max junction temp under load. |
| CT | 25 pF @ 1 MHz, 4 V - Junction capacitance per element; influences EMI behavior and high-frequency switching noise. |
Pinout & Package
Package: DF-S - Surface-mount molded plastic package (UL 94V-0), 7.4–7.9 mm × 6.2–6.5 mm × ~2.6 mm height, 0.38 g weight, tin-plated terminals, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ~AC1 | AC Input Terminal 1 | One AC input node of full-wave bridge; connects to transformer secondary or AC line input. |
| ~AC2 | AC Input Terminal 2 | Second AC input node; completes AC input path for full-wave rectification. |
| +DC | Positive DC Output | Anode of output leg; delivers rectified positive voltage to filter capacitor and load. |
| –DC | Negative DC Output / Common Return | Cathode of output leg; serves as circuit ground reference and return path. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and humidity resistance versus epoxy-passivated alternatives. |
| UL Recognized Component | File E364304 confirms compliance with safety standards for end-equipment certification. |
| SMT-compatible DF-S package | Enables automated pick-and-place assembly and reflow soldering without lead bending or through-hole drilling. |
| Lead-free & RoHS compliant | Meets EU Directive 2015/863/EU; tin finish ensures solderability per MIL-STD-202, Method 208. |
Applications
| Industrial AC/DC Power Supplies | Consumer Wall Adapters |
|---|---|
Use Scenario: Converting 115/230 VAC mains to unregulated DC in enclosed DIN-rail or open-frame power supplies rated ≤15 W. IC Role / Device Role / Timing Role: Full-wave bridge rectifier providing polarity-insensitive AC-to-DC conversion prior to bulk capacitance and regulation. Use Value: 600 V VRRM enables direct use with 230 VAC inputs (including surge margins); 50 A IFSM handles transformer inrush. | Use Scenario: Low-cost, compact wall plug-in adapters for home audio, set-top boxes, and IoT gateways. IC Role / Device Role / Timing Role: Primary-side rectification stage delivering low-ripple DC to linear or switching regulators. Use Value: DF-S footprint minimizes board area; 1.1 V VF reduces conduction loss and thermal stress in sealed enclosures. |
| LED Driver Input Stages | Control Board Auxiliary Power |
Use Scenario: Rectifying AC input in constant-current LED drivers for commercial lighting fixtures. IC Role / Device Role / Timing Role: Front-end bridge converting line voltage to DC bus feeding buck or flyback controllers. Use Value: 150 °C max junction temperature supports operation in thermally constrained luminaire housings. | Use Scenario: Providing isolated auxiliary power for PLC I/O modules, motor control logic, and sensor interface boards. IC Role / Device Role / Timing Role: Compact, reliable AC input rectification for low-power auxiliary rails (e.g., 5 V, 3.3 V). Use Value: UL recognition simplifies system-level safety approvals; moisture sensitivity level 1 eliminates bake requirements pre-assembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU6K (ON Semiconductor) | Same 600 V VRRM, 1.5 A IF, but GBU package (larger, through-hole compatible); RθJA ≈ 30 °C/W. | Requires PCB real estate for axial leads or GBU footprint; better thermal performance but incompatible with pure SMT lines. | Select when legacy through-hole assembly or higher thermal margin is prioritized over board space. |
| MB10F (Vishay) | 600 V VRRM, 1.0 A IF (derated vs. DF1506S-T); same DF-S footprint; VF = 1.1 V. | Limited to ≤10 W output due to lower current rating; suitable only where load current stays below 1.0 A continuous. | Choose only if design operates well within 1.0 A DC load and cost is primary driver. |
Compared with GBU6K and MB10F, DF1506S-T uniquely balances SMT compatibility, 1.5 A capacity, and UL recognition in the compact DF-S package-making it optimal for space-constrained, safety-certified, fully automated power supply designs.
Availability
DF1506S-T is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, consumer wall adapters, and LED driver input stages requiring stable component supply and consistent SMT manufacturability.
Supply support for DF1506S-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, specializing in high-reliability power management, signal integrity, and protection solutions.
The DF15xxS series belongs to Diodes' standard recovery bridge rectifier product line, engineered for cost-effective, robust AC/DC front-end conversion in industrial, consumer, and lighting applications with emphasis on SMT readiness and safety compliance.
FAQ
What is the maximum operating temperature for DF1506S-T?
The DF1506S-T has a specified junction and storage temperature range of –55 °C to +150 °C. Its thermal resistance is 40 °C/W on a standard PCB; actual max operating temperature depends on ambient conditions and power dissipation. At 1.5 A and 1.1 V VF, junction temperature rise is ~66 °C above ambient, limiting safe continuous operation to ≤84 °C ambient for 150 °C max TJ.
Is DF1506S-T suitable for automotive applications?
No-DF1506S-T is not AEC-Q101 qualified and is not manufactured in an IATF 16949 certified facility per Diodes' documentation. While it meets industrial temperature and reliability requirements, automotive-grade use requires explicit qualification (e.g., DF1506S-Q or equivalent AEC-compliant variant), which this part does not carry.
How does the DF-S package compare to GBPC or KBU packages?
The DF-S package is a compact, surface-mount alternative to through-hole GBPC and KBU packages. At 7.65 mm × 6.35 mm, it occupies ~40% less board area than GBPC-10 (17.8 mm × 12.7 mm) and enables full automation. Unlike GBPC/KBU, DF-S lacks mounting holes and relies on solder joint mechanical strength, requiring adherence to Diodes' recommended pad layout.
Can DF1506S-T be used with capacitive loads?
Yes-but with mandatory 20% current derating per the datasheet. Capacitive-input filters cause high peak charging currents that exceed the average current rating. For a 1.5 A-rated device, maximum continuous output current drops to 1.2 A when feeding a bulk capacitor directly; additional filtering or inrush limiting is recommended for sustained reliability.
DF1506S-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):
- 600 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 @ 600 V
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DF-S
DF1506S-T FAQ
1.How can I place an order for DF1506S-T through Aetrix?
Please submit a Request for Quotation (RFQ) for DF1506S-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 DF1506S-T reliable?
The price and inventory of DF1506S-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF1506S-T is usually 5 days.
3.What payment methods are accepted for DF1506S-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF1506S-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF1506S-T?
DF1506S-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF1506S-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 DF1506S-T?
For technical support, including DF1506S-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF1506S-T requirements.
6.How does Aetrix verify that DF1506S-T is sourced from the original manufacturer or authorized distributors?
All DF1506S-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 DF1506S-T meets industry standards.
7.What is the process for return or replacement of DF1506S-T?
All DF1506S-T units undergo pre-shipment inspection (PSI). If there is an issue with DF1506S-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 DF1506S-T part is unused and in its original packaging.
Return procedure for DF1506S-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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