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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Diode Arrays

Taiwan Semiconductor Corporation MBRS1050CT

Name: MBRS1050CT
Brand: Taiwan Semiconductor Corporation
SKU: MBRS1050CT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MBRS1050CT

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Diode Arrays

Package:: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Datasheet:: MBRS1050CT.pdf

Description:: DIODE ARR SCHOTT 50V 10A TO263AB

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Product details

Overview

MBRS1050CT from Taiwan Semiconductor is a dual-die Schottky barrier rectifier in TO-263AB (D2PAK) package, rated for 10 A average forward current, 50 V repetitive peak reverse voltage, and 120 A non-repetitive surge current; it delivers low forward voltage (0.80 V at 5 A, 25°C) and operates up to 150°C junction temperature, serving as primary output rectifier in high-efficiency DC/DC converters.

For engineers reviewing the MBRS1050CT datasheet, MBRS1050CT pinout, MBRS1050CT application, or MBRS1050CT equivalent, key selection criteria include its 50 V V_RRM, dual-common-cathode configuration, 2 °C/W junction-to-case thermal resistance, and J-STD-020 Level 1 moisture sensitivity-critical for reflow-compatible power supply designs.

Technical Context

This device integrates two independent Schottky diodes in a single TO-263AB surface-mount package with common cathode connection, enabling synchronous rectification or dual-output configurations. Its guard ring structure provides overvoltage protection, and the matte tin-plated leads ensure reliable solderability per J-STD-002.

The MBRS1050CT exhibits 100 µA maximum reverse leakage at 50 V and 25°C, 10 mA at 50 V and 100°C, and supports dv/dt capability of 10,000 V/µs-enabling stable operation in fast-switching SMPS topologies without parasitic turn-on.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	50 V - Maximum reverse blocking voltage per diode; defines safe operating limit in buck or flyback secondary-side applications
I_F	10 A - Continuous average forward current per diode; determines thermal design margin at 150°C T_J
I_FSM	120 A - Peak non-repetitive surge current (8.3 ms half-sine); supports inrush and transient overload handling
V_F	0.80 V max @ 5 A, 25°C - Low conduction loss improves efficiency vs. PN-junction rectifiers in 12–48 V output rails
R_θJC	2 °C/W - Junction-to-case thermal resistance; enables direct heatsinking via PCB copper pour or external metal tab contact
T_J max	150 °C - Maximum junction temperature; allows operation in compact, sealed industrial power supplies

Pinout & Package

Package: TO-263AB (D2PAK), surface-mount, 3-terminal case with exposed thermal pad. Cathode terminals are internally tied; anode pins are isolated.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Anode A)	Anode of Diode A	Connects to switching node or transformer secondary winding; carries full load current during conduction phase
Pin 2 (Cathode)	Common Cathode	Shared cathode node for both diodes; connects to output capacitor positive rail and serves as thermal interface point
Pin 3 (Anode B)	Anode of Diode B	Enables dual-output or interleaved rectification; electrically isolated from Anode A but thermally coupled via shared case

Key Features

Feature	Design Value
Low forward voltage drop	0.80 V max @ 5 A, 25°C - Reduces conduction loss by ~30% vs. comparable 50 V PN rectifiers, directly improving 12 V output efficiency
Guard ring overvoltage protection	Integrated edge termination - Prevents premature avalanche breakdown under voltage transients, enhancing reliability in unregulated input stages
J-STD-020 Level 1 moisture sensitivity	No bake requirement before reflow - Enables direct placement into standard Pb-free reflow profiles without pre-conditioning delays
Dual-die common-cathode configuration	Single-package dual rectifier - Eliminates need for two discrete devices in dual-rail or redundant output designs, saving PCB area and assembly cost

Applications

Server VRM Output Rectification	Industrial DC/DC Converter
Use Scenario: High-current, low-voltage (3.3–12 V) output stage of server voltage regulator modules handling >100 A total load. IC Role / Device Role / Timing Role: Primary synchronous rectifier replacing MOSFETs in secondary-side topology; dual-anode configuration supports phase-splitting. Use Value: 0.80 V V_F minimizes I²R losses at 10 A per leg, reducing thermal stress on PCB copper and enabling higher power density than discrete alternatives.	Use Scenario: 24 V input to ±15 V dual-output isolated DC/DC converter in programmable logic controller (PLC) power stage. IC Role / Device Role / Timing Role: Dual-output rectifier with shared cathode; each anode feeds independent L-C filter for positive/negative rails. Use Value: Common-cathode layout simplifies ground referencing and reduces component count versus two separate TO-220 diodes, while R_θJC = 2 °C/W supports natural convection cooling.
Telecom AC/DC Adapter	Automotive Infotainment Power Supply
Use Scenario: Compact 48 W (12 V/4 A) wall adapter with high-efficiency flyback topology and tight thermal envelope. IC Role / Device Role / Timing Role: Secondary-side rectifier operating at 65–100 kHz switching frequency; leverages low V_F and fast recovery for minimal switching loss. Use Value: 100 µA reverse leakage at 25°C ensures low standby power draw, meeting Energy Star Level VI requirements without auxiliary regulation circuitry.	Use Scenario: 12 V battery-input power module supplying 5 V and 3.3 V rails to infotainment head unit MCU and display driver. IC Role / Device Role / Timing Role: Dual-rail output rectifier with thermal coupling between diodes; operates across -40°C to +125°C ambient per AEC-Q200 guidelines. Use Value: 150°C T_J rating and 10 mA I_R @ 100°C enable robust operation in under-hood temperature zones without derating.

Server VRM Output Rectification

Industrial DC/DC Converter

Use Scenario: High-current, low-voltage (3.3–12 V) output stage of server voltage regulator modules handling >100 A total load.

IC Role / Device Role / Timing Role: Primary synchronous rectifier replacing MOSFETs in secondary-side topology; dual-anode configuration supports phase-splitting.

Use Value: 0.80 V V_F minimizes I²R losses at 10 A per leg, reducing thermal stress on PCB copper and enabling higher power density than discrete alternatives.

Use Scenario: 24 V input to ±15 V dual-output isolated DC/DC converter in programmable logic controller (PLC) power stage.

IC Role / Device Role / Timing Role: Dual-output rectifier with shared cathode; each anode feeds independent L-C filter for positive/negative rails.

Use Value: Common-cathode layout simplifies ground referencing and reduces component count versus two separate TO-220 diodes, while R_θJC = 2 °C/W supports natural convection cooling.

Telecom AC/DC Adapter

Automotive Infotainment Power Supply

Use Scenario: Compact 48 W (12 V/4 A) wall adapter with high-efficiency flyback topology and tight thermal envelope.

IC Role / Device Role / Timing Role: Secondary-side rectifier operating at 65–100 kHz switching frequency; leverages low V_F and fast recovery for minimal switching loss.

Use Value: 100 µA reverse leakage at 25°C ensures low standby power draw, meeting Energy Star Level VI requirements without auxiliary regulation circuitry.

Use Scenario: 12 V battery-input power module supplying 5 V and 3.3 V rails to infotainment head unit MCU and display driver.

IC Role / Device Role / Timing Role: Dual-rail output rectifier with thermal coupling between diodes; operates across -40°C to +125°C ambient per AEC-Q200 guidelines.

Use Value: 150°C T_J rating and 10 mA I_R @ 100°C enable robust operation in under-hood temperature zones without derating.

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-MBR1050CT	Identical V_RRM (50 V), I_F (10 A), TO-263AB package; V_F = 0.79 V typ @ 5 A, 25°C - marginally lower conduction loss	Same dual-common-cathode function; slightly tighter V_F distribution supports tighter output regulation in precision supplies	Select when tighter V_F tolerance or Vishay's extended automotive qualification (AEC-Q101) is required
ON Semiconductor MBR1050CT	Same ratings and package; I_R = 150 µA max @ 50 V, 25°C - 50% higher leakage than MBRS1050CT's 100 µA limit	Acceptable in non-standby-sensitive applications; less suitable for energy-efficient adapters with strict no-load power targets	Select when cost sensitivity outweighs leakage-critical standby performance

Compared with VS-MBR1050CT and MBR1050CT, the MBRS1050CT offers the lowest specified reverse leakage (100 µA) among 50 V/10 A dual Schottkys, making it preferred for low-standby-power designs, while maintaining identical thermal and package compatibility for drop-in evaluation.

Availability

MBRS1050CT is available at Aetrix Electronics and suitable for switching mode power supplies, DC/DC converters, and AC/DC adapters requiring stable component supply, RoHS compliance, and J-STD-020 Level 1 reflow readiness.

Supply support for MBRS1050CT 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, specializing in rectifiers, TVS diodes, and MOSFETs for industrial and consumer markets.

The MBRS10xxCT series was designed specifically for high-efficiency, surface-mount power conversion systems where low V_F, thermal robustness, and automated assembly compatibility are critical-targeting SMPS, adapters, and distributed power architectures.

FAQ

What is the maximum junction temperature rating for MBRS1050CT?

The MBRS1050CT has a maximum junction temperature (T_J) rating of +150°C, verified per absolute maximum ratings table in the official Taiwan Semiconductor datasheet (Version M2103). This allows sustained operation in thermally constrained environments such as enclosed industrial power supplies or automotive under-dash modules, provided thermal design maintains case temperature within limits using the 2 °C/W R_θJC.

Does MBRS1050CT support lead-free reflow soldering without baking?

Yes, MBRS1050CT is rated J-STD-020 Level 1 for moisture sensitivity, meaning it can be placed directly onto PCBs and subjected to standard Pb-free reflow profiles (peak 260°C) without prior baking. This eliminates process steps and reduces risk of moisture-induced popcorning, confirmed in the Mechanical Data section of the Taiwan Semiconductor datasheet.

What is the reverse leakage current specification for MBRS1050CT at 100°C?

At 100°C junction temperature and rated 50 V reverse voltage, the MBRS1050CT specifies a maximum reverse leakage current (I_R) of 10 mA per diode. This value is explicitly listed in the Electrical Specifications table for the MBRS1050CT row under "Reverse current @ rated VR" condition TJ = 100°C.

Is MBRS1050CT pin-compatible with other parts in the MBRS10xxCT family?

Yes, all MBRS10xxCT variants-including MBRS1035CT, MBRS1045CT, MBRS1050CT, MBRS1060CT, MBRS1090CT, MBRS10100CT, and MBRS10150CT-share identical TO-263AB (D2PAK) package dimensions, pinout, and terminal configuration. Voltage rating differences do not affect mechanical or electrical interconnection.

What does the "CT" suffix indicate in MBRS1050CT?

The "CT" suffix in MBRS1050CT denotes a common-cathode dual-diode configuration in TO-263AB package. This distinguishes it from single-diode versions (e.g., MBRS1050T) and confirms internal connection of both cathodes to Pin 2, enabling dual-output or parallel rectification without external wiring.

MBRS1050CT Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

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:: Schottky

Voltage - DC Reverse (Vr) (Max):: 50 V

Current - Average Rectified (Io) (per Diode):: 10A

Voltage - Forward (Vf) (Max) @ If:: 900 mV @ 10 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 100 µA @ 50 V

Operating Temperature - Junction:: -55°C ~ 150°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: TO-263AB (D2PAK)

MBRS1050CT FAQ

1.How can I place an order for MBRS1050CT through Aetrix?

Please submit a Request for Quotation (RFQ) for MBRS1050CT 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 MBRS1050CT reliable?

The price and inventory of MBRS1050CT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MBRS1050CT is usually 5 days.

3.What payment methods are accepted for MBRS1050CT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MBRS1050CT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MBRS1050CT?

MBRS1050CT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MBRS1050CT 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 MBRS1050CT?

For technical support, including MBRS1050CT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MBRS1050CT requirements.

6.How does Aetrix verify that MBRS1050CT is sourced from the original manufacturer or authorized distributors?

All MBRS1050CT 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 MBRS1050CT meets industry standards.

7.What is the process for return or replacement of MBRS1050CT?

All MBRS1050CT units undergo pre-shipment inspection (PSI). If there is an issue with MBRS1050CT, 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 MBRS1050CT part is unused and in its original packaging.

Return procedure for MBRS1050CT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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