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Diodes Incorporated SBR10U45D1-13
- Part No.:
- SBR10U45D1-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
SBR10U45D1-13.pdf
- Description:
- DIODE SBR 45V 10A TO252-3
- Quantity:
- Payment:
- Shipping:
Inventory:2,199
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Product details
Overview
SBR10U45D1-13 from Diodes Incorporated is a 10A, 45V Super Barrier Rectifier (SBR®) in TO252 (DPAK) package, designed for high-efficiency DC-DC converters and switching power supplies. It delivers ultra-low 0.57V forward voltage at 10A/25°C, exhibits only 0.5mA reverse leakage at 45V, and maintains stable performance up to +150°C junction temperature.
For engineers reviewing the SBR10U45D1-13 datasheet, SBR10U45D1-13 pinout, SBR10U45D1-13 application, or SBR10U45D1-13 equivalent, key selection criteria include forward voltage drop at full load, thermal resistance (RθJC = 6.0°C/W), soft-switching behavior, RoHS-compliant lead-free termination, and TO252 mechanical compatibility with standard PCB layouts.
Technical Context
This Super Barrier Rectifier replaces conventional Schottky and fast recovery diodes in medium-power SMPS outputs by combining low VF with superior high-temperature stability and reduced reverse recovery charge. Its patented structure enables soft, fast switching without oscillation or voltage overshoot under hard commutation.
Rated for 10A average forward current at TC = +110°C and 125A non-repetitive surge capability, it operates across –65°C to +150°C with RθJA = 35°C/W on standard 2-inch² aluminum board. The device uses annealed matte tin terminals over copper leadframe, ensuring MIL-STD-202-compliant solderability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 45 V - Maximum repetitive reverse blocking voltage; defines safe operating range in buck converter freewheel paths. |
| IO (at TC=+110°C) | 10 A - Continuous forward current rating at heatsink temperature; determines minimum heatsink sizing in 50W–100W DC-DC stages. |
| VF (max) | 0.57 V @ 10A, 25°C - Low conduction loss directly reduces power dissipation and improves efficiency above 90% in 12V→5V/3.3V converters. |
| IR (max) | 0.5 mA @ 45V, 25°C - Minimal leakage preserves standby power integrity in always-on auxiliary rails. |
| RθJC | 6.0 °C/W - Thermal resistance from junction to case; enables direct mounting to metal-core PCBs or heatsinks for compact thermal design. |
| IFSM | 125 A @ 8.3ms - Surge rating supports inrush current handling during cold-start of industrial power modules. |
| Polarity | Cathode-marked Pin 3 - Confirmed pin 1 = anode, pin 2 = cathode tab, pin 3 = cathode; critical for correct PCB layout and thermal pad routing. |
Pinout & Package
Package: TO252 (DPAK), surface-mount, single-ended configuration with exposed cathode thermal pad. Molded green compound (UL 94V-0), 0.4g mass, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Main anode connection; routed to switching node (e.g., MOSFET drain) in synchronous rectification or freewheeling paths. |
| Pin 2 | Cathode (Tab) | Exposed metal thermal pad - electrically and thermally connected to cathode; must be soldered to large copper pour for heat dissipation and EMI control. |
| Pin 3 | Cathode | Secondary cathode terminal; used for Kelvin sensing or low-inductance return path in high-frequency designs. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low VF | 0.57V max at 10A/25°C - cuts conduction loss by ~30% vs. standard Schottky diodes, enabling higher efficiency in 48V input telecom PSUs. |
| Soft switching | No reverse recovery spike or ringing observed in oscilloscope waveforms - eliminates need for snubbers in 300kHz–1MHz flyback and LLC resonant converters. |
| High-temp stability | VF increases only marginally to 0.54V at 125°C - ensures consistent regulation and thermal predictability in sealed industrial enclosures. |
| Green construction | Halogen- and antimony-free (<900ppm Br/Cl, <1000ppm Sb); meets IPC-1752A material declaration requirements for automotive Tier-1 BOMs. |
Applications
| Server VRM Output Stage | Industrial DC-DC Module |
|---|---|
Use Scenario: High-current point-of-load regulation in 1U server motherboards delivering [email protected] from 12V bus. IC Role / Device Role / Timing Role: Freewheeling diode in multiphase buck converter synchronous rectification stage. Use Value: 0.57V VF minimizes I²R loss at 10A per phase, reducing localized heating and enabling tighter thermal margins on dense PCBs. | Use Scenario: Isolated 24V-to-5V/3.3V DC-DC converter in programmable logic controller (PLC) backplane power. IC Role / Device Role / Timing Role: Secondary-side output rectifier in forward converter topology. Use Value: Soft switching eliminates EMI filter overhead; RθJC = 6.0°C/W allows direct mounting to aluminum chassis without additional heatsink. |
| Telecom AC-DC Adapter | Automotive Infotainment Power |
Use Scenario: 48V input offline adapter supplying 12V/5V rails for base station RF amplifiers. IC Role / Device Role / Timing Role: Output rectifier in active-clamp forward or LLC resonant converter secondary. Use Value: 0.5mA IR at 45V ensures <100μW standby loss, supporting Energy Star Level VI compliance. | Use Scenario: 12V-to-3.3V buck converter powering display controller and audio codec in head unit. IC Role / Device Role / Timing Role: Freewheeling diode in high-side switch buck regulator with integrated MOSFET. Use Value: Stable VF up to +150°C junction enables operation in engine-bay-adjacent locations without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super barrier rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SBRT10U45D1-13 | Same die, enhanced surge rating (IFSM = 150A), identical VF/IR specs, same TO252 footprint. | Preferred for automotive-grade designs requiring AEC-Q101 qualification and extended surge immunity. | Select when system-level surge testing exceeds 125A or AEC-Q101 compliance is mandatory. |
| SS10H45 | Higher VF (0.72V @ 10A), lower IR (0.2mA), same VRRM/IO, but slower switching and no soft recovery. | Suitable for lower-frequency (<100kHz) linear-regulated supplies where EMI is less critical. | Choose only if cost sensitivity outweighs efficiency gain and EMI filtering budget is available. |
Compared with SBRT10U45D1-13, the original offers identical electrical performance at lower cost but lacks AEC-Q101 validation; versus SS10H45, it delivers measurable efficiency gain and eliminates snubber components in high-frequency topologies.
Availability
SBR10U45D1-13 is available at Aetrix Electronics and suitable for switching power supplies, DC-DC converters, and freewheeling diode applications requiring stable component supply, RoHS-compliant packaging, and TO252 thermal performance.
Supply support for SBR10U45D1-13 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 centers across Asia and manufacturing in China, Malaysia, and Taiwan.
The SBR® product line targets high-efficiency power conversion, specifically engineered to replace Schottky diodes in medium-current, medium-voltage SMPS outputs where low VF and soft switching are critical.
FAQ
What is the thermal pad connection requirement for SBR10U45D1-13?
Pin 2 is the exposed cathode thermal pad and must be soldered to a minimum 25 mm² copper area on the PCB for effective heat transfer. The pad should be thermally connected to internal ground or dedicated thermal plane using ≥4 thermal vias (0.3mm diameter, filled) to inner layers. Failure to implement this results in junction temperature exceeding 150°C at rated current.
Does SBR10U45D1-13 support bidirectional current flow?
No. SBR10U45D1-13 is a unidirectional rectifier optimized for forward conduction and reverse blocking. Its internal super barrier structure does not support reverse conduction or symmetrical switching. It must be oriented with anode (Pin 1) toward the higher potential node and cathode (Pins 2/3) toward the lower potential rail.
How does its soft switching behavior reduce EMI in high-frequency converters?
Unlike fast recovery diodes, SBR10U45D1-13 exhibits negligible reverse recovery charge (Qrr < 10nC) and no current snap-off, eliminating high-frequency ringing at turn-off. This removes the need for RC snubbers and reduces common-mode noise coupling into adjacent signal traces, easing CISPR-32 Class B compliance in compact power modules.
Is the TO252 footprint compatible with automated optical inspection (AOI) systems?
Yes. The TO252 package has defined fiducial and solder paste stencil guidelines in Diodes' AP02001 document. Its coplanar pin geometry (±0.05mm height tolerance), matte tin finish, and absence of undercut mold lines ensure reliable AOI detection of solder joint voiding, bridging, and insufficient wetting during SMT line deployment.
SBR10U45D1-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- SBR®
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Super Barrier
- Voltage - DC Reverse (Vr) (Max):
- 45 V
- Current - Average Rectified (Io):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 570 mV @ 10 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 500 µA @ 45 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-252-3
- Operating Temperature - Junction:
- -65°C ~ 150°C
SBR10U45D1-13 FAQ
1.How can I place an order for SBR10U45D1-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for SBR10U45D1-13 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 SBR10U45D1-13 reliable?
The price and inventory of SBR10U45D1-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SBR10U45D1-13 is usually 5 days.
3.What payment methods are accepted for SBR10U45D1-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SBR10U45D1-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SBR10U45D1-13?
SBR10U45D1-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SBR10U45D1-13 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 SBR10U45D1-13?
For technical support, including SBR10U45D1-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SBR10U45D1-13 requirements.
6.How does Aetrix verify that SBR10U45D1-13 is sourced from the original manufacturer or authorized distributors?
All SBR10U45D1-13 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 SBR10U45D1-13 meets industry standards.
7.What is the process for return or replacement of SBR10U45D1-13?
All SBR10U45D1-13 units undergo pre-shipment inspection (PSI). If there is an issue with SBR10U45D1-13, 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 SBR10U45D1-13 part is unused and in its original packaging.
Return procedure for SBR10U45D1-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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