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Diodes Incorporated SBR2045CTFP
- Part No.:
- SBR2045CTFP
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- TO-220-3 Full Pack, Isolated Tab
- Datasheet:
-
SBR2045CTFP.pdf
- Description:
- DIODE ARRAY SBR 45V 10A ITO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:8,266
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Product details
Overview
SBR2045CTFP from Diodes Incorporated is a 20A dual common-cathode super barrier rectifier in ITO-220AB package, rated for 45V peak repetitive reverse voltage and featuring 0.49V typical forward voltage at 10A/125°C. It delivers soft fast switching, low conduction loss, and high-temperature stability for DC-DC output rectification in industrial power supplies and telecom rectifiers.
For engineers reviewing the SBR2045CTFP datasheet, SBR2045CTFP pinout, SBR2045CTFP application, or SBR2045CTFP equivalent, key selection criteria include its 120A non-repetitive surge rating, 4°C/W junction-to-case thermal resistance (ITO-220AB), 50mA max leakage at 45V/125°C, and RoHS-compliant green packaging with halogen/antimony-free molding compound.
Technical Context
This dual-element super barrier rectifier integrates two independent anode terminals sharing a common cathode, enabling synchronous half-bridge or dual-output configurations. Its patented SBR® technology replaces conventional PN junctions with engineered metal-semiconductor barriers to reduce forward voltage while maintaining low leakage and soft recovery.
The device operates across –65°C to +150°C junction temperature range and requires heatsinking per Diodes' specified 50×50×23 mm aluminum block for full 20A current rating. Isolation voltage of 2000 VAC (terminal-to-heatsink) is guaranteed only for the ITO-220AB variant, not TO-220AB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Reverse Voltage | 45 V - Supports 36V nominal bus systems with 25% safety margin against transients |
| Avg. Forward Current (Total) | 20 A - Enables high-density 12V/24V output stages without parallel devices |
| Forward Voltage @ 10A/125°C | 0.49 V - Reduces conduction loss by ~35% vs. standard Schottky diodes at same rating |
| Junction-to-Case RθJC | 4 °C/W - Requires minimal heatsink area (≥50 cm²) for continuous 20A operation |
| Surge Current IFSM | 120 A - Withstands inrush into bulk capacitors up to 10,000 µF at 24V |
| Leakage Current @ 45V/125°C | 50 mA - Maintains efficiency in high-temp environments without thermal runaway risk |
Pinout & Package
Package: ITO-220AB - Insulated tab variant with electrically isolated metal backside, enabling direct mounting to grounded heatsinks without insulating hardware. Molded plastic case meets UL 94V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 (Lead 1) | Input terminal for first rectifier element | Connects to transformer secondary or switching node; rated for 10A continuous per leg |
| Anode 2 (Lead 2) | Input terminal for second rectifier element | Enables dual-output or interleaved designs; electrically isolated from Anode 1 |
| Cathode (Tab) | Common output terminal for both elements | High-current return path; thermally coupled to heatsink via insulated metal tab |
Key Features
| Feature | Design Value |
|---|---|
| Patented SBR® Technology | Engineered barrier lowers VF without sacrificing leakage or softness-enables higher efficiency than standard Schottkys at >40V |
| Soft Fast Switching | Low reverse recovery charge (Qrr) minimizes EMI and reduces snubber losses in high-frequency SMPS |
| Halogen & Antimony Free | Meets IPC-1752A Class 3 requirements (<900 ppm Br/Cl, <1000 ppm Sb); supports automotive PPAP compliance |
| Isolated Tab (ITO-220AB) | 2000 VAC isolation allows direct heatsink mounting to chassis ground-eliminates mica washers and thermal pads |
Applications
| Telecom Rectifier Module | Industrial DC-DC Converter |
|---|---|
Use Scenario: 48V input to 12V/20A output stage in telecom shelf power system. IC Role / Device Role / Timing Role: Output rectifier replacing dual discrete Schottkys to reduce footprint and thermal stress. Use Value: 0.49V VF at 125°C cuts conduction loss by 1.2W per leg vs. legacy solution-enabling passive cooling. | Use Scenario: Dual 24V outputs feeding PLC I/O modules in factory automation cabinet. IC Role / Device Role / Timing Role: Common-cathode dual rectifier providing isolated +24V and –24V rails from center-tapped transformer. Use Value: Independent anode terminals allow separate filtering and sensing-improving cross-regulation to ±1.5%. |
| Server PSU Secondary Side | EV Charging Power Supply |
Use Scenario: High-efficiency 12V standby rail in 3kW server power supply with active clamp forward topology. IC Role / Device Role / Timing Role: Synchronous rectification replacement for MOSFET drivers in low-voltage, high-current output stage. Use Value: Soft recovery eliminates need for gate drive timing compensation-reducing design iteration cycles. | Use Scenario: 400V DC input to 12V auxiliary power supply in on-board charger (OBC) for BEVs. IC Role / Device Role / Timing Role: Input-stage rectifier handling 20A continuous current under 85°C ambient conditions. Use Value: 150°C max junction temperature and 4°C/W RθJC ensure reliability at full load without forced air. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super barrier rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-20CPH045 | Same 45V/20A rating but TO-247 package; 3.5°C/W RθJC; no isolation voltage spec | Requires insulated mounting hardware; better thermal performance but larger PCB footprint | Choose when heatsink interface is ungrounded and space permits TO-247 layout |
| ON Semiconductor MUR2040CT | Ultrafast recovery diode (not SBR); 40V rating; 1.1V VF @ 10A/25°C; higher conduction loss | Higher switching loss due to hard recovery; unsuitable for >200kHz designs | Acceptable only in cost-sensitive, low-frequency (<100kHz) applications where efficiency is secondary |
Compared with VS-20CPH045 and MUR2040CT, SBR2045CTFP uniquely combines ITO-220AB isolation, industry-lowest VF at elevated temperature, and soft recovery-making it optimal for compact, thermally constrained, high-frequency industrial power supplies.
Availability
SBR2045CTFP is available at Aetrix Electronics and suitable for telecom rectifier modules, industrial DC-DC converters, server PSU secondary sides, and EV charging auxiliary power supplies requiring stable component supply and long-term lifecycle support.
Supply support for SBR2045CTFP 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.
SBR2045CTFP belongs to Diodes' Super Barrier Rectifier (SBR®) product line, engineered specifically to replace Schottky diodes in 30–100V applications where low VF, high-temperature stability, and soft recovery are critical for efficiency and EMI control.
FAQ
What is the maximum continuous operating temperature for SBR2045CTFP?
The device supports junction temperatures from –65°C to +150°C. At 125°C case temperature, derating curves show usable average forward current remains above 10A per leg. Full 20A rating requires case temperature ≤75°C with specified 50×50×23 mm heatsink.
Can SBR2045CTFP be used in place of a standard Schottky diode like SB540?
No-SB540 is a 40V/5A single-diode in DO-201AD package. SBR2045CTFP is a 20A dual-element device in ITO-220AB with different thermal, electrical, and mechanical characteristics. Direct substitution would require PCB redesign, thermal analysis, and validation of surge capability and leakage behavior.
Does the ITO-220AB package provide electrical isolation between the tab and leads?
Yes-the ITO-220AB variant provides 2000 VAC isolation between the metal tab (cathode) and the two anode leads, verified at 3 seconds duration. This enables safe mounting to grounded heatsinks without additional insulation, unlike standard TO-220AB.
What does the "FP" suffix indicate in SBR2045CTFP?
The "FP" suffix denotes the ITO-220AB package variant with lead-free, halogen-free, antimony-free "Green" construction. It distinguishes this insulated-tab, environmentally compliant version from the base SBR2045CT (TO-220AB) and SBR2045CTFP-JT (ITO-220AB Type E) variants.
SBR2045CTFP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- SBR®
- Package/Case:
- TO-220-3 Full Pack, Isolated Tab
- Packaging:
- Tube
- 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):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 540 mV @ 10 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 300 µA @ 45 V
- Operating Temperature - Junction:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- ITO-220AB
SBR2045CTFP FAQ
1.How can I place an order for SBR2045CTFP through Aetrix?
Please submit a Request for Quotation (RFQ) for SBR2045CTFP 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 SBR2045CTFP reliable?
The price and inventory of SBR2045CTFP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SBR2045CTFP is usually 5 days.
3.What payment methods are accepted for SBR2045CTFP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SBR2045CTFP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SBR2045CTFP?
SBR2045CTFP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SBR2045CTFP 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 SBR2045CTFP?
For technical support, including SBR2045CTFP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SBR2045CTFP requirements.
6.How does Aetrix verify that SBR2045CTFP is sourced from the original manufacturer or authorized distributors?
All SBR2045CTFP 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 SBR2045CTFP meets industry standards.
7.What is the process for return or replacement of SBR2045CTFP?
All SBR2045CTFP units undergo pre-shipment inspection (PSI). If there is an issue with SBR2045CTFP, 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 SBR2045CTFP part is unused and in its original packaging.
Return procedure for SBR2045CTFP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SBR2045CTFP Tags
-
BAV99-7-F
Diodes Incorporated
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BAT54C-7-F
Diodes Incorporated
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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
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BAV99LT1G
onsemi
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BAT54S,215
Nexperia USA Inc.
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BAS40-04LT1G
onsemi
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MMBD1503-TP
Micro Commercial Co
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BAV99WT1G
onsemi
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