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Diodes Incorporated SBR40U200CT
- Part No.:
- SBR40U200CT
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- TO-220-3
- Datasheet:
-
SBR40U200CT.pdf
- Description:
- DIODE ARRAY SBR 200V 20A TO220-3
- Quantity:
- Payment:
- Shipping:
Inventory:8,400
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Product details
Overview
SBR40U200CT from Diodes Incorporated is a 40A dual common-cathode Super Barrier Rectifier rated for 200V peak reverse voltage, featuring ultra-low forward voltage (0.73V @ 20A, 125°C), soft fast switching (35ns trr), and 150°C junction operation in TO-220AB package - used in high-efficiency AC/DC front-end rectification for industrial power supplies.
For engineers reviewing the SBR40U200CT datasheet, SBR40U200CT pinout, SBR40U200CT application, or SBR40U200CT equivalent, key selection criteria include forward voltage at elevated temperature, surge current capability (240A IFSM), thermal resistance (0.6°C/W RθJC), and RoHS-compliant matte tin terminations on copper leadframe.
Technical Context
This dual-leg rectifier integrates two independent 20A-rated super barrier diodes sharing a common cathode terminal, enabling full-wave center-tap or parallel-output configurations. Its patented super barrier structure replaces traditional PN junctions with low-barrier metal-semiconductor interfaces, reducing VF while maintaining low leakage (<0.2mA @ 200V, 25°C) and stable performance up to 150°C.
The device operates under single-phase, half-wave 60Hz resistive/inductive loads with 20% derating for capacitive loads. Thermal design requires mounting on a heatsink (e.g., 50mm × 37mm × 15mm black aluminum) to maintain RθJC = 0.6°C/W per leg and avoid exceeding TJ(max) = 150°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum non-repetitive reverse voltage each anode can withstand without breakdown |
| IO (per leg) | 20 A - Continuous average forward current per diode leg at TA = 25°C, derated above ambient |
| VF @ 20A, 125°C | 0.73 V - Confirmed forward drop under worst-case thermal operating condition, critical for conduction loss calculation |
| IFSM | 240 A - Non-repetitive 8.3ms half-sine surge rating, supports inrush current handling in SMPS input stages |
| trr | 35 ns - Reverse recovery time at IF = 1A, VR = 30V, di/dt = 100A/μs, enabling high-frequency switching with low EMI |
| RθJC | 0.6 °C/W - Junction-to-case thermal resistance per leg, defines minimum heatsink requirement for thermal management |
| TJ(max) | 150 °C - Maximum allowable junction temperature, enabling operation in high-ambient industrial environments |
Pinout & Package
Package: TO-220AB - Molded plastic case (UL 94V-0), 1.85g weight, matte tin-plated copper leadframe, lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 (Lead 1) | Input terminal for first rectifier leg | Accepts AC input phase; electrically isolated from Anode 2 and Cathode |
| Cathode (Lead 2) | Common output node for both legs | Shared cathode connection enables dual-anode, single-output configuration (e.g., center-tap rectifier) |
| Anode 2 (Lead 3) | Input terminal for second rectifier leg | Accepts second AC input phase; symmetrical to Anode 1, same electrical rating and thermal path |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low VF at high temperature | 0.73 V @ 20A, 125°C - Reduces conduction losses by ~25% vs. standard Schottky diodes at same rating |
| Soft fast switching | 35 ns trr with low IRR tail - Minimizes switching noise and voltage overshoot in high-frequency rectifiers |
| High-temperature stability | Rated for continuous operation up to TJ = 150°C - Enables compact designs without forced air cooling |
| Patented super barrier architecture | Replaces PN junction with engineered metal-semiconductor interface - Achieves Schottky-like VF with Si diode-level leakage and ruggedness |
| TO-220AB mechanical robustness | UL 94V-0 flammability rating and 0.6°C/W RθJC - Supports reliable long-term mounting on industrial-grade heatsinks |
Applications
| Industrial Switch-Mode Power Supplies | Telecom Rectifier Modules |
|---|---|
Use Scenario: AC/DC front-end rectification in 1–3 kW telecom rectifier shelves with active PFC and LLC resonant DC/DC stages. IC Role / Device Role / Timing Role: Dual-leg common-cathode rectifier converting 85–265VAC input to high-current DC bus; shares cathode with bulk capacitor charging path. Use Value: 0.73V VF at 125°C reduces conduction loss by 1.5W per leg vs. conventional 40A Schottky, improving system efficiency by 0.4% at full load. | Use Scenario: Output rectification in -48V DC/DC converters for base station power distribution units. IC Role / Device Role / Timing Role: Secondary-side synchronous rectifier replacement in isolated forward or flyback topologies operating at 100–500kHz. Use Value: 35ns trr and soft recovery minimize voltage spikes across transformer secondary, reducing snubber losses and EMI filter size. |
| Server PSU Redundant Inputs | Motor Drive DC Link Protection |
Use Scenario: Dual-redundant AC input rectification in enterprise server PSUs requiring N+1 fault tolerance. IC Role / Device Role / Timing Role: Independent anode legs feed separate bridge inputs; shared cathode delivers combined DC output to bulk capacitor bank. Use Value: 240A IFSM withstands simultaneous inrush from two AC lines during hot-swap events, preventing fuse nuisance tripping. | Use Scenario: Freewheeling and regenerative energy clamping in 3-phase IGBT inverter DC link sections. IC Role / Device Role / Timing Role: Bidirectional clamp diode absorbing inductive kickback during IGBT turn-off; operates continuously at 85°C ambient. Use Value: 150°C TJ rating ensures reliability under sustained overload conditions where standard diodes would thermally runaway. |
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 |
|---|---|---|---|
| Vishay VS-40CPH02-M3 | 200V VRRM, 40A IO, but uses standard Schottky architecture; VF = 0.82V @ 20A, 125°C; higher IR (1.0mA @ 200V, 125°C) | Limited to ≤125°C TJ due to Schottky thermal instability; unsuitable for sealed enclosures above 70°C ambient | Select when cost sensitivity outweighs thermal margin and leakage requirements |
| ON Semiconductor MUR420G | 200V VRRM, 4A IO per leg (total 8A); fast recovery (75ns trr), not super barrier; VF = 1.15V @ 4A, 25°C | Lower current rating requires paralleling; higher VF increases conduction loss by >2.5× at 20A | Select only for low-power legacy designs where footprint compatibility with TO-220AB is mandatory |
Compared with VS-40CPH02-M3 and MUR420G, SBR40U200CT uniquely delivers 40A dual-leg current, 150°C operation, and sub-0.75V VF at elevated temperature - making it the only option for thermally constrained, high-efficiency industrial rectification without paralleling or derating.
Availability
SBR40U200CT is available at Aetrix Electronics and suitable for industrial switch-mode power supplies, telecom rectifier modules, and motor drive DC link protection requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.
Supply support for SBR40U200CT 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 SBR® Super Barrier Rectifier product line was developed to replace conventional Schottky and fast recovery diodes in high-current, high-temperature power conversion applications - delivering lower VF than Schottkys and faster, softer switching than silicon PN diodes.
FAQ
What is the maximum continuous junction temperature for SBR40U200CT?
The absolute maximum junction temperature is 150°C, validated across the full operating range per the DS31242 datasheet. This rating is maintained under specified thermal conditions: mounted on a 50mm × 37mm × 15mm black aluminum heatsink with RθJC = 0.6°C/W per leg. Exceeding this temperature risks permanent degradation of the super barrier junction.
Can SBR40U200CT be used in parallel configurations?
Yes - its positive temperature coefficient of forward voltage enables natural current sharing when multiple devices are paralleled. Each leg must be individually heatsinked with matched thermal resistance, and PCB layout must ensure symmetrical trace inductance and length to prevent dynamic imbalance during switching transients.
Is the TO-220AB package electrically insulated?
No - the TO-220AB package has an electrically conductive metal tab (connected to the cathode terminal), requiring insulating hardware (e.g., mica washer + shoulder washer) when mounted to a grounded heatsink. The datasheet confirms cathode-to-case continuity; isolation must be achieved externally via mounting accessories.
Does SBR40U200CT support capacitance-input filter loads?
It supports capacitance-input filters only with 20% current derating per the datasheet's "Maximum Ratings" table. For example, at TA = 25°C, the usable average current drops from 20A to 16A per leg to prevent excessive IFSM stress during cold-start inrush into large bulk capacitors.
SBR40U200CT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- SBR®
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Super Barrier
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io) (per Diode):
- 20A
- Voltage - Forward (Vf) (Max) @ If:
- 890 mV @ 20 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 200 µA @ 200 V
- Operating Temperature - Junction:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220-3
SBR40U200CT FAQ
1.How can I place an order for SBR40U200CT through Aetrix?
Please submit a Request for Quotation (RFQ) for SBR40U200CT 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 SBR40U200CT reliable?
The price and inventory of SBR40U200CT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SBR40U200CT is usually 5 days.
3.What payment methods are accepted for SBR40U200CT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SBR40U200CT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SBR40U200CT?
SBR40U200CT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SBR40U200CT 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 SBR40U200CT?
For technical support, including SBR40U200CT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SBR40U200CT requirements.
6.How does Aetrix verify that SBR40U200CT is sourced from the original manufacturer or authorized distributors?
All SBR40U200CT 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 SBR40U200CT meets industry standards.
7.What is the process for return or replacement of SBR40U200CT?
All SBR40U200CT units undergo pre-shipment inspection (PSI). If there is an issue with SBR40U200CT, 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 SBR40U200CT part is unused and in its original packaging.
Return procedure for SBR40U200CT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SBR40U200CT 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
-
BAT54S,215
Nexperia USA Inc.
-
BAS40-04LT1G
onsemi
-
MMBD1503-TP
Micro Commercial Co
-
BAV99WT1G
onsemi
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