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Diodes Incorporated DBF1510U-13
- Part No.:
- DBF1510U-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Flat Leads
- Datasheet:
-
DBF1510U-13.pdf
- Description:
- BRIDGE RECT 1PHASE 1KV 1.5A DBF
- Quantity:
- Payment:
- Shipping:
Inventory:3,346
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Product details
Overview
DBF1510U from Diodes Incorporated is a 1.5A, 1000V peak repetitive reverse voltage surface-mount bridge rectifier in DBF package, featuring 0.95V max forward voltage at 1.5A and 5μA max leakage current at 1000V, used for AC–DC full-wave rectification in LED lighting drivers and offline SMPS power supplies.
For engineers reviewing the DBF1510U datasheet, DBF1510U pinout, DBF1510U application, or DBF1510U equivalent, key selection criteria include VRRM rating, thermal resistance (RθJC = 10°C/W), surge capability (IFSM = 70A), RoHS/Green compliance, and DBF package footprint compatibility with high-density SMT layouts.
Technical Context
This single-phase, full-wave bridge rectifier integrates four silicon diodes in a monolithic DBF package with glass-passivated junctions. It supports 1.5A average output current at TC = +110°C and withstands 1000V peak reverse voltage under standard 60Hz resistive load conditions.
Thermal performance is defined by RθJC = 10°C/W (junction-to-case) and RθJA = 50°C/W (junction-to-ambient on specified PCB pad), enabling reliable operation from –55°C to +150°C. Total capacitance per leg is 25pF at 4V reverse bias and 1MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Withstands peak reverse voltage up to 1000V without breakdown in AC line applications. |
| IO (at TC = +110°C) | 1.5 A - Continuous average rectified output current under heatsinked conditions. |
| VF (max) | 1.0 V @ 1.5A - Low conduction loss improves efficiency in compact power supplies. |
| IR (max) | 5 μA @ 1000V, 25°C - Minimal leakage preserves no-load regulation and reduces standby power loss. |
| IFSM | 70 A - Handles 8.3ms half-sine surge, supporting inrush current in capacitor-input rectifiers. |
| RθJC | 10 °C/W - Enables direct thermal coupling to PCB copper for passive cooling in space-constrained designs. |
Pinout & Package
Package: DBF - Miniature molded plastic surface-mount package (UL 94V-0), dimensions 6.65 × 8.70 × 1.40 mm (D × E × A), weight 0.214 g, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC terminal 1 | One of two AC input pins; connects to live/neutral side of transformer secondary or AC line. |
| AC2 | Input AC terminal 2 | Second AC input pin; completes full-wave bridge input path with AC1. |
| + (Anode Output) | Positive DC output | Full-wave rectified positive rail; ties to bulk capacitor anode or downstream DC–DC converter input. |
| – (Cathode Output) | Negative DC output / common return | DC common reference node; connects to bulk capacitor cathode and system ground reference. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Enhances long-term reliability and humidity resistance in unsealed consumer and industrial enclosures. |
| Surge overload rating: 70A IFSM | Supports repeated cold-start surges in battery chargers and adapters without degradation. |
| Lead-free, halogen- and antimony-free "Green" finish | Meets RoHS 3 (2015/863/EU) and global environmental compliance requirements for export markets. |
| Low thermal resistance (RθJC = 10°C/W) | Permits higher sustained current in thermally constrained layouts without external heatsinking. |
Applications
| LED Lighting Power Supply | USB Wall Adapter |
|---|---|
Use Scenario: Off-line AC–DC conversion for constant-current LED drivers in commercial downlights. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting 90–264V AC mains to pulsating DC before bulk capacitor and PFC stage. Use Value: 1000V VRRM ensures margin against line transients; low VF minimizes heat rise in sealed aluminum housings. | Use Scenario: Input rectification in 5W–10W universal-input USB charging adapters. IC Role / Device Role / Timing Role: Primary-side AC–DC bridge delivering DC bus to flyback controller IC and primary MOSFET. Use Value: 70A IFSM handles repeated 100ms inrush surges during plug insertion; DBF footprint saves board area vs. discrete diode solutions. |
| Home Appliance Control Board | Telecom Power Module |
Use Scenario: Auxiliary power supply for microcontroller and sensor rails in washing machine main control boards. IC Role / Device Role / Timing Role: Compact bridge rectifier feeding linear regulator or buck converter for low-noise 3.3V/5V logic rails. Use Value: 5μA IR at 1000V prevents excessive standby drain in always-on appliance modes; RoHS/Green compliance meets regional regulations. | Use Scenario: Input rectification in distributed telecom power modules (e.g., -48V DC input backup systems). IC Role / Device Role / Timing Role: High-reliability bridge converting AC auxiliary feed to isolated DC bus for hot-swap controllers. Use Value: –55°C to +150°C operating range supports extended temperature deployment; 25pF CT limits EMI generation at switching nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU4K | Higher IO (4A), larger GBU package (10.3 × 14.2 × 8.9 mm), VF ≈ 1.1V @ 4A | Suitable for higher-power SMPS (>20W); requires more PCB area and thermal mass | Select when >1.5A continuous current or higher surge margin is required; not drop-in compatible due to footprint mismatch. |
| DBF2010U | Same DBF package, higher IO (2.0A), VF = 1.05V max @ 2.0A, VRRM = 1000V | Direct footprint replacement with higher current rating; identical mounting and solder profile | Preferred upgrade path for new designs needing headroom; shares same thermal and layout constraints. |
Compared with GBU4K and DBF2010U, the DBF1510U offers optimal size–performance balance for ≤15W applications where board space is critical and 1.5A IO suffices-making it ideal for cost- and area-sensitive consumer electronics despite its obsolete status.
Availability
DBF1510U is available at Aetrix Electronics and suitable for LED lighting drivers, USB wall adapters, and home appliance auxiliary power supplies requiring stable component supply despite its obsolete status.
Supply support for DBF1510U 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 DBF series bridges belong to Diodes' high-efficiency, space-saving rectifier product line, designed specifically for compact, high-reliability AC–DC front-end stages in consumer, industrial, and telecom power systems.
FAQ
Is DBF1510U still in active production?
No - DBF1510U is officially marked obsolete by Diodes Incorporated (DS39409 Rev. 5-4, February 2025). Aetrix Electronics maintains limited legacy stock with full traceability and provides last-time-buy support, including documentation and RoHS compliance verification per original spec.
What is the maximum operating temperature for DBF1510U?
The DBF1510U has a rated junction temperature range of –55°C to +150°C. Its 1.5A average current rating applies at TC = +110°C; derating is required above that case temperature per Figure 1 in DS39409.
Can DBF1510U replace DBF1010U in existing designs?
Yes - both share identical DBF package, pinout, and 1000V VRRM. DBF1510U offers higher IO (1.5A vs. 1.0A) and lower VF (1.0V max vs. 1.1V max), making it a functional upgrade with no layout changes required.
Does DBF1510U meet automotive qualification standards?
No - DBF1510U is not AEC-Q101 qualified. Diodes explicitly states that automotive-grade variants require separate PPAP-capable part numbers and IATF 16949 manufacturing; this part is intended for commercial/industrial use only.
DBF1510U-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SMD, Flat Leads
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 1 kV
- Current - Average Rectified (Io):
- 1.5 A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 1.5 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1000 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DBF
DBF1510U-13 FAQ
1.How can I place an order for DBF1510U-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DBF1510U-13 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 DBF1510U-13 reliable?
The price and inventory of DBF1510U-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DBF1510U-13 is usually 5 days.
3.What payment methods are accepted for DBF1510U-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DBF1510U-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DBF1510U-13?
DBF1510U-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DBF1510U-13 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 DBF1510U-13?
For technical support, including DBF1510U-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DBF1510U-13 requirements.
6.How does Aetrix verify that DBF1510U-13 is sourced from the original manufacturer or authorized distributors?
All DBF1510U-13 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 DBF1510U-13 meets industry standards.
7.What is the process for return or replacement of DBF1510U-13?
All DBF1510U-13 units undergo pre-shipment inspection (PSI). If there is an issue with DBF1510U-13, 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 DBF1510U-13 part is unused and in its original packaging.
Return procedure for DBF1510U-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DBF1510U-13 Tags
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