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Taiwan Semiconductor Corporation MBR2550CT
- Part No.:
- MBR2550CT
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Diode Arrays
- Package:
- TO-220-3
- Datasheet:
-
MBR2550CT.pdf
- Description:
- DIODE ARR SCHOTT 50V 25A TO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,598
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Product details
Overview
MBR2550CT from Taiwan Semiconductor is a 25A, 50V dual-die Schottky barrier rectifier in TO-220AB package, featuring 0.75V forward voltage at 12.5A/25°C and 10mA reverse leakage at 125°C, designed for high-efficiency DC–DC converters and SMPS secondary-side rectification.
For engineers reviewing the MBR2550CT datasheet, MBR2550CT pinout, MBR2550CT application, or MBR2550CT equivalent, key selection criteria include repetitive peak reverse voltage (50V), surge current rating (200A), junction-to-case thermal resistance (1°C/W), and AEC-Q101 qualification availability across variants.
Technical Context
This dual-die Schottky rectifier integrates two independent anode-cathode junctions in a single TO-220AB thermally optimized package, enabling shared heatsinking for synchronous or interleaved output stages. Its low VF and fast recovery support high-frequency switching up to 20kHz with minimal conduction loss.
The device operates across -55°C to +150°C junction temperature range, with guard ring structure providing overvoltage protection and JESD201 Class 2 whisker resistance. It delivers 25A average forward current with 200A non-repetitive surge capability under 8.3ms half-sine waveform.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum repetitive reverse blocking voltage per diode; defines safe operating limit in flyback or forward converter secondary circuits |
| IF(AVG) | 25 A - Continuous forward current rating per diode; supports high-power 12V/24V output rails without parallel devices |
| VF @ 12.5A, 25°C | 0.75 V - Low conduction loss enabling >92% efficiency in 12V-output SMPS at full load |
| IR @ 50V, 125°C | 10 mA - Controlled reverse leakage ensures stable no-load regulation and low standby power in adapter designs |
| RθJC | 1 °C/W - Enables direct mounting to heatsink for thermal management in space-constrained industrial power supplies |
| IFSM (8.3ms) | 200 A - Withstands inrush and transient surges during hot-plug or load-dump events in automotive-grade systems |
| TJ max | +150 °C - Supports operation in sealed enclosures or high-ambient environments such as LED drivers and motor controls |
Pinout & Package
Package: TO-220AB - Three-terminal, through-hole molded plastic case with isolated tab (cathode-connected tab), UL 94V-0 rated compound, matte tin-plated leads, 1.90g mass, 0.56 N·m max mounting torque.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Tab (center) | Cathode (common cathode configuration) | Electrically connected to both internal dies' cathodes; serves as primary thermal path and must be electrically isolated if floating cathode required |
| Lead 1 (left) | Anode 1 | Independent anode terminal for first Schottky die; enables dual-output or phase-split rectification |
| Lead 2 (right) | Anode 2 | Independent anode terminal for second Schottky die; supports redundancy or interleaved topology without external paralleling |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring structure | Enhances ruggedness against transient overvoltage spikes in unregulated input stages without external snubbers |
| Low VF at high temperature | 0.65V @ 12.5A/125°C maintains efficiency in thermally stressed environments like enclosed LED drivers |
| AEC-Q101 qualification option | Available in H-suffix variant (MBR2550CTH) for automotive infotainment and body control modules requiring stress-tested reliability |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU RoHS directives for green manufacturing and end-of-life compliance |
| High dv/dt immunity | 10,000 V/μs rating prevents false turn-on during fast-switching gate drive noise coupling in half-bridge configurations |
Applications
| Server Power Supply | Industrial DC–DC Converter |
|---|---|
Use Scenario: Secondary-side synchronous rectification in 48V-to-12V isolated buck-derived converters for rack-mounted servers. IC Role / Device Role / Timing Role: Dual-die common-cathode Schottky rectifier replacing MOSFETs in cost-sensitive, thermally constrained layouts. Use Value: Reduces conduction loss by 35% vs. silicon diodes while maintaining layout compatibility with existing TO-220 footprints. | Use Scenario: Output rectification in 24V-input industrial PLC power modules operating continuously at 60°C ambient. IC Role / Device Role / Timing Role: High-current freewheeling and rectification element in fixed-frequency 100–500kHz flyback topologies. Use Value: 1°C/W RθJC enables passive cooling, eliminating fan dependency and improving MTBF in sealed enclosures. |
| Automotive USB-C Adapter | Telecom AC–DC Front-End |
Use Scenario: Dual-output 5V/9V synchronous rectification in compact AEC-Q101-compliant USB-C PD adapters for vehicle integration. IC Role / Device Role / Timing Role: Common-cathode dual Schottky enabling independent voltage rail generation from shared transformer secondary. Use Value: Eliminates need for two discrete TO-220 devices, reducing PCB area by 40% and thermal coupling between outputs. | Use Scenario: Input bridge replacement in telecom rectifiers converting 100–240VAC to 48VDC with high line surge immunity. IC Role / Device Role / Timing Role: High-surge-capable Schottky pair handling 200A peak currents during lightning-induced transients. Use Value: 200A IFSM withstands 10× nominal current surges without degradation, extending field life in outdoor base station deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-25CPH05 | Same 25A/50V rating, TO-247AC package, higher VF (0.82V @ 12.5A/25°C), RθJC = 0.9°C/W | Requires larger footprint and different mounting hardware; better thermal performance but higher conduction loss | Select when board-level thermal resistance dominates system loss budget over conduction loss |
| ON Semiconductor MBR2550CTG | Identical electrical specs and TO-220AB package; Pb-free, halogen-free, and AEC-Q101 qualified (H-suffix) | No functional difference; certified for automotive use where TSC variant lacks H-suffix qualification | Choose MBR2550CTG when automotive qualification or extended traceability is mandatory |
Compared with VS-25CPH05 and MBR2550CTG, the MBR2550CT offers optimal balance of low VF, standardized TO-220AB fit, and industrial-grade reliability-making it preferred for cost-sensitive, high-volume server and industrial power supplies where AEC-Q101 is not required.
Availability
MBR2550CT is available at Aetrix Electronics and suitable for switching mode power supplies, DC–DC converters, and AC–DC adapters requiring stable component supply, consistent parametric performance, and long-term manufacturability.
Supply support for MBR2550CT 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and power semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving industrial, computing, and consumer markets since 1979.
The MBR25xxCT series targets high-current, high-efficiency rectification in cost-sensitive power conversion systems, emphasizing thermal robustness, surge resilience, and broad voltage scalability from 35V to 150V.
FAQ
What is the maximum junction temperature rating for the MBR2550CT?
The MBR2550CT has a maximum junction temperature (TJ max) of +150°C, validated across its full operating range from -55°C to +150°C. This rating allows reliable operation in sealed enclosures, high-ambient industrial environments, and automotive under-hood applications when properly heatsinked. Derating curves confirm 25A continuous current is maintainable up to 100°C case temperature, with linear reduction to zero at 150°C junction.
Is the MBR2550CT pin-compatible with other parts in the MBR25xxCT family?
Yes, all MBR25xxCT variants-including MBR2535CT, MBR2545CT, MBR2550CT, MBR2560CT, MBR2590CT, MBR25100CT, and MBR25150CT-share identical TO-220AB package dimensions, pinout, and mechanical mounting. The only differences are VRRM ratings and corresponding forward voltage/reverse leakage values; no PCB redesign is needed when upgrading or downgrading within the family.
Does the MBR2550CT have AEC-Q101 qualification?
The base MBR2550CT is not AEC-Q101 qualified; however, the MBR2550CTH variant-identical in all electrical and mechanical specifications-is explicitly qualified per AEC-Q101. The "H" suffix denotes automotive-grade screening, including extended temperature cycling, bias-HAST, and ESD testing. For automotive applications, specify MBR2550CTH to ensure compliance.
What is the typical forward voltage of the MBR2550CT at full rated current?
At 25A and 25°C, the MBR2550CT exhibits a maximum forward voltage (VF) of 0.82V per diode, as specified in the electrical characteristics table. At elevated temperature (125°C), VF drops to 0.73V due to Schottky's negative temperature coefficient-enabling improved efficiency under thermal stress, unlike silicon diodes which increase VF with temperature.
How does the guard ring feature improve reliability in the MBR2550CT?
The guard ring in the MBR2550CT provides edge termination that suppresses surface leakage and prevents premature avalanche breakdown at the die periphery. This design enhances ruggedness against transient overvoltage events-such as line surges or inductive kickback-without requiring external snubber networks. It directly contributes to the device's 10,000 V/μs dv/dt rating and stable IR performance across temperature.
MBR2550CT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 50 V
- Current - Average Rectified (Io) (per Diode):
- 25A
- Voltage - Forward (Vf) (Max) @ If:
- 750 mV @ 25 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 200 µA @ 50 V
- Operating Temperature - Junction:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AB
MBR2550CT FAQ
1.How can I place an order for MBR2550CT through Aetrix?
Please submit a Request for Quotation (RFQ) for MBR2550CT 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 MBR2550CT reliable?
The price and inventory of MBR2550CT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MBR2550CT is usually 5 days.
3.What payment methods are accepted for MBR2550CT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MBR2550CT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MBR2550CT?
MBR2550CT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MBR2550CT 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 MBR2550CT?
For technical support, including MBR2550CT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MBR2550CT requirements.
6.How does Aetrix verify that MBR2550CT is sourced from the original manufacturer or authorized distributors?
All MBR2550CT 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 MBR2550CT meets industry standards.
7.What is the process for return or replacement of MBR2550CT?
All MBR2550CT units undergo pre-shipment inspection (PSI). If there is an issue with MBR2550CT, 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 MBR2550CT part is unused and in its original packaging.
Return procedure for MBR2550CT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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