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Diodes Incorporated SBR3045CTB-13
- Part No.:
- SBR3045CTB-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
SBR3045CTB-13.pdf
- Description:
- DIODE ARRAY SBR 45V 15A TO-263
- Quantity:
- Payment:
- Shipping:
Inventory:6,509
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Product details
Overview
SBR3045CTB-13 from Diodes Incorporated is a 30A dual common-cathode Super Barrier Rectifier in TO263AB (D2PAK) package, rated for 45V peak repetitive reverse voltage, 0.70V max forward voltage at 15A/25°C, and 150°C junction operation. It delivers soft fast switching with 180A non-repetitive surge capability and is AEC-Q101 qualified for automotive power conversion.
For engineers reviewing the SBR3045CTB-13 datasheet, SBR3045CTB-13 pinout, SBR3045CTB-13 application, or SBR3045CTB-13 equivalent, key selection criteria include forward voltage drop at high temperature, thermal resistance (2°C/W per leg), junction-to-case thermal performance, and RoHS-compliant green packaging for automotive-grade reliability.
Technical Context
This dual-element rectifier integrates two independent SBR® diodes sharing a common cathode terminal, enabling synchronous half-wave or center-tapped full-wave configurations. Its patented barrier technology achieves lower VF than Schottky diodes while maintaining higher reverse leakage tolerance and superior high-temperature stability up to +150°C.
The device operates with soft recovery characteristics-minimizing EMI in DC/DC converters-and supports 800-unit tape-and-reel delivery (SBR3045CTB-13) for automated SMT assembly. Thermal design relies on low RθJC (2°C/W per leg) and requires heatsinking via the exposed cathode tab for sustained 30A total output.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 45 V - Maximum repetitive reverse blocking voltage per diode element |
| IO (Total) | 30 A - Average rectified current rating for full-device operation at TC = +150°C |
| VF (Max) | 0.70 V @ 15A, 25°C - Directly impacts conduction loss in 12V/24V automotive DC-DC stages |
| RθJC | 2 °C/W per leg - Enables thermal management using PCB copper pour or external heatsink on cathode tab |
| IFSM | 180 A - Peak surge withstand for load dump or cold-crank transient protection |
| TJ Range | –65°C to +150°C - Validated operation across automotive under-hood ambient extremes |
| AEC-Q101 | Qualified - Meets stress test requirements for automotive discrete semiconductor reliability |
Pinout & Package
Package: TO263AB (D2PAK), surface-mount with exposed cathode tab for thermal and electrical connection. Molded plastic case (UL 94V-0), matte tin-plated copper leadframe, 1.6g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 (Lead 1) | Input terminal for first diode element | Connects to input rail in half-wave or center-tapped topology |
| Anode 2 (Lead 2) | Input terminal for second diode element | Enables dual-input configuration (e.g., dual-phase rectification) |
| Cathode (Tab) | Common output node for both diodes | Must be soldered to large copper area or heatsink for thermal dissipation and low-inductance return path |
Key Features
| Feature | Design Value |
|---|---|
| Patented SBR® Technology | Combines Schottky-like low VF with improved high-temperature leakage control vs. conventional Schottkys |
| Soft Fast Switching | Reduces EMI generation during turn-off-critical for CISPR-25-compliant automotive power supplies |
| +150°C Junction Rating | Supports operation in engine bay environments without derating below 125°C ambient |
| AEC-Q101 Qualification | Validated for automotive use including temperature cycling, HTRB, and ESD testing per JEDEC standards |
Applications
| Automotive DC-DC Converters | Industrial Power Supplies |
|---|---|
Use Scenario: 12V-to-5V/3.3V buck converter in ADAS camera module with high ambient temperature exposure. IC Role / Device Role / Timing Role: Output rectifier handling continuous 15A per leg in synchronous rectification mode. Use Value: 0.66V VF at 125°C reduces conduction loss by ~12% versus standard Schottky alternatives, lowering thermal stress on PCB. | Use Scenario: 48V input telecom rectifier stage delivering 30A to intermediate bus. IC Role / Device Role / Timing Role: Dual-anode common-cathode configuration enables compact center-tapped transformer secondary rectification. Use Value: 2°C/W RθJC allows direct mounting to aluminum chassis, eliminating need for additional thermal interface material. |
| LED Driver Power Stages | Server VRM Output Stage |
Use Scenario: Constant-current LED driver for exterior lighting with PWM dimming and load-dump transients. IC Role / Device Role / Timing Role: Freewheeling diode in boost converter topology, conducting during MOSFET off-time. Use Value: 180A IFSM withstands ISO 7637-2 Pulse 5a load-dump surges without failure. | Use Scenario: Multiphase VRM output rectification in AI accelerator server boards. IC Role / Device Role / Timing Role: Secondary-side synchronous rectifier paired with gate driver ICs in interleaved phase legs. Use Value: Soft recovery minimizes voltage overshoot during high di/dt transitions, reducing snubber component count. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current, high-temperature rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STPS3045CGY-TR | Same 45V/30A rating but uses standard Schottky architecture; VF = 0.72V @ 15A/25°C; TJ max = +175°C | Higher leakage at >125°C limits use in sealed high-temp enclosures | Prefer when ultimate junction temperature margin (>150°C) is required over low-VF stability |
| MBR3045CTG | 30A/45V dual Schottky; VF = 0.75V @ 15A/25°C; no AEC-Q101 qualification; RθJC = 2.5°C/W | Lacks automotive qualification and has higher thermal resistance | Select for cost-sensitive industrial designs where AEC-Q101 is not mandated |
Compared with STPS3045CGY-TR and MBR3045CTG, the SBR3045CTB-13 provides superior VF consistency across temperature and certified automotive reliability-making it optimal for safety-critical 12V/24V systems where thermal stability and qualification rigor outweigh marginal VF differences.
Availability
SBR3045CTB-13 is available at Aetrix Electronics and suitable for automotive power conversion, industrial DC-DC modules, and LED driver designs requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for SBR3045CTB-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 and manufacturing operations across Asia and the Americas.
The SBR® product line targets high-efficiency, high-reliability power rectification in automotive and industrial applications-specifically engineered to replace conventional Schottky and fast recovery diodes where thermal stability and low conduction loss are critical.
FAQ
What is the maximum continuous current per anode at +125°C case temperature?
At TC = +125°C, the device supports 15A per anode continuously (30A total), as confirmed by the derating curve in Figure 3 of DS31665 Rev. 5–2. This assumes proper heatsinking to maintain TC ≤ +125°C and accounts for thermal resistance of 2°C/W per leg.
Is the cathode tab electrically isolated from the package leads?
No-the cathode tab is the common cathode terminal and is electrically connected to the internal die cathodes. It must be treated as a live circuit node and soldered directly to the PCB's cathode net and/or heatsink, with appropriate clearance to adjacent potentials per IPC-2221.
Does SBR3045CTB-13 require a minimum solder paste volume for thermal pad attachment?
Yes-per Diodes' AP02001 recommended pad layout, the exposed cathode tab requires ≥80% solder coverage using Type 3 or Type 4 paste. Insufficient volume increases RθJC beyond 2°C/W and risks thermal runaway at full rated current.
Can this device replace a standard 30A TO-220 dual diode in existing layouts?
No-SBR3045CTB-13 uses TO263AB (D2PAK) footprint, which differs mechanically and thermally from TO-220. Direct replacement requires PCB redesign to accommodate the surface-mount outline, thermal pad, and lead spacing defined in AP02002.
SBR3045CTB-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- SBR®
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Super Barrier
- Voltage - DC Reverse (Vr) (Max):
- 45 V
- Current - Average Rectified (Io) (per Diode):
- 15A
- Voltage - Forward (Vf) (Max) @ If:
- 700 mV @ 15 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 500 µA @ 45 V
- Operating Temperature - Junction:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-263
SBR3045CTB-13 FAQ
1.How can I place an order for SBR3045CTB-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for SBR3045CTB-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 SBR3045CTB-13 reliable?
The price and inventory of SBR3045CTB-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SBR3045CTB-13 is usually 5 days.
3.What payment methods are accepted for SBR3045CTB-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SBR3045CTB-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SBR3045CTB-13?
SBR3045CTB-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SBR3045CTB-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 SBR3045CTB-13?
For technical support, including SBR3045CTB-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SBR3045CTB-13 requirements.
6.How does Aetrix verify that SBR3045CTB-13 is sourced from the original manufacturer or authorized distributors?
All SBR3045CTB-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 SBR3045CTB-13 meets industry standards.
7.What is the process for return or replacement of SBR3045CTB-13?
All SBR3045CTB-13 units undergo pre-shipment inspection (PSI). If there is an issue with SBR3045CTB-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 SBR3045CTB-13 part is unused and in its original packaging.
Return procedure for SBR3045CTB-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SBR3045CTB-13 Tags
-
BAV99-7-F
Diodes Incorporated
-
BAT54C-7-F
Diodes Incorporated
-
BAV99,215
Nexperia USA Inc.
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BAT54SLT1G
onsemi
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BAV70LT1G
onsemi
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BAT54CLT1G
onsemi
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BAT54S-7-F
Diodes Incorporated
-
BAV99LT1G
onsemi
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BAT54S,215
Nexperia USA Inc.
-
BAS40-04LT1G
onsemi
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MMBD1503-TP
Micro Commercial Co
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BAV99WT1G
onsemi
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