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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Taiwan Semiconductor Corporation MBRS1035

Name: MBRS1035
Brand: Taiwan Semiconductor Corporation
SKU: MBRS1035
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MBRS1035

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

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

Datasheet:: MBRS1035.pdf

Description:: 10A, 35V, PLANAR SCHOTTKY

Quantity:: RFQ Add To RFQ list

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Inventory:2,451

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Product details

Overview

MBRS1035 from Taiwan Semiconductor is a 10A, 35V Schottky barrier surface-mount rectifier in TO-263AB (D2PAK) package, featuring low forward voltage (0.57 V at 10 A, 125°C), 120 A surge capability, and guard-ring overvoltage protection. It serves as a high-efficiency output rectifier in DC–DC converters and switching power supplies.

For engineers reviewing the MBRS1035 datasheet, MBRS1035 pinout, MBRS1035 application, or MBRS1035 equivalent, key selection criteria include its 35 V repetitive peak reverse voltage, 175°C maximum junction temperature, thermal resistance (R_θJC = 2°C/W), and suitability for high-current, low-loss SMPS secondary-side rectification.

Technical Context

The MBRS1035 uses a single-die Schottky barrier structure optimized for low conduction loss and fast recovery-no minority-carrier storage, enabling zero reverse recovery charge (Q_rr ≈ 0). Its guard ring design enhances ruggedness against transient overvoltage events without external snubbers.

Thermally, it delivers R_θJC = 2°C/W to the case and R_θJA = 60°C/W on standard FR-4 with 1-in² 2-oz copper pad, supporting continuous 10 A operation up to 100°C ambient when properly heatsinked.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	35 V - Maximum repetitive reverse blocking voltage; defines safe operating limit in DC–DC flyback or buck output stages
I_F	10 A - Continuous forward current rating; supports high-power adapter and server PSU outputs
I_FSM	120 A - Non-repetitive surge current (8.3 ms half-sine); withstands inrush and fault transients
V_F @ 10 A, 125°C	0.57 V - Low conduction loss enables >92% efficiency in 12 V → 5 V/3.3 V synchronous-like rectification
R_θJC	2°C/W - Enables direct thermal coupling to heatsink or PCB copper; critical for thermal management in compact designs
T_J max	175°C - High junction temperature rating allows operation in sealed or high-ambient industrial environments
I_R @ 35 V, 25°C	≤100 µA - Low leakage preserves efficiency in standby and light-load conditions

Pinout & Package

TO-263AB (D2PAK) package with three terminals: Anode (pin 1), Cathode (pin 2), and exposed thermal pad (pin 3, electrically connected to cathode). Matte tin-plated leads comply with J-STD-002 solderability and JESD201 Class 2 whisker resistance.

Pin/Terminal	Circuit Role	Design Meaning
Anode (Lead 1)	Input current entry point	Connected to transformer secondary or switch node; carries full load current into device
Cathode (Lead 2)	Output current exit point	Connected to output capacitor and load; also ties to exposed thermal pad for heat dissipation
Exposed Pad (Bottom)	Thermal & electrical cathode extension	Must be soldered to ≥1-in² 2-oz copper pour for R_θJA ≤60°C/W; electrically identical to cathode

Key Features

Feature	Design Value
Guard ring structure	Prevents edge breakdown under voltage transients-enables reliable operation without external clamping in 35 V systems
Moisture sensitivity level 1	No floor life limitation or bake requirement before reflow; simplifies SMT line handling and inventory control
RoHS & halogen-free compliance	Meets IEC 61249-2-21 and EU RoHS; suitable for consumer, telecom, and industrial end-equipment certifications
High I_FSM/I_F ratio (12:1)	Supports robustness against short-circuit and startup surges in unregulated DC–DC stages
UL 94V-0 molding compound	Ensures flame-retardant encapsulation for safety-critical power supply designs

Applications

Server Power Supply Rectification	Laptop Adapter Output Stage
Use Scenario: Secondary-side rectification in 48 V → 12 V isolated DC–DC modules delivering up to 120 W. IC Role / Device Role / Timing Role: Schottky rectifier replacing MOSFET synchronous rectifiers where gate drive complexity must be avoided. Use Value: 0.57 V forward drop at 125°C reduces conduction loss by ~35% vs. comparable 45 V Si diodes, improving full-load efficiency.	Use Scenario: 19 V output rectification in compact 65 W laptop AC–DC adapters with tight thermal constraints. IC Role / Device Role / Timing Role: Primary output rectifier mounted directly to large PCB copper area for passive cooling. Use Value: R_θJC = 2°C/W and 175°C T_Jmax allow sustained 10 A operation without active cooling in space-constrained enclosures.
Industrial DC–DC Converter	Telecom Intermediate Bus Converter
Use Scenario: 24 V → 5 V step-down in DIN-rail mounted programmable logic controller (PLC) power modules. IC Role / Device Role / Timing Role: Freewheeling path during high-frequency (300 kHz) buck switching; handles reverse recovery–free commutation. Use Value: Zero Q_rr eliminates switching loss spikes and EMI associated with Si diode recovery, easing EMI filter design.	Use Scenario: 48 V → 12 V intermediate bus conversion in 1RU telecom shelf power systems with strict MTBF requirements. IC Role / Device Role / Timing Role: High-reliability output rectifier rated for continuous 10 A and 120 A surge per JEDEC JESD22-A114. Use Value: Guard ring + 175°C rating ensures long-term stability under thermal cycling and line surges common in central office environments.

Server Power Supply Rectification

Laptop Adapter Output Stage

Use Scenario: Secondary-side rectification in 48 V → 12 V isolated DC–DC modules delivering up to 120 W.

IC Role / Device Role / Timing Role: Schottky rectifier replacing MOSFET synchronous rectifiers where gate drive complexity must be avoided.

Use Value: 0.57 V forward drop at 125°C reduces conduction loss by ~35% vs. comparable 45 V Si diodes, improving full-load efficiency.

Use Scenario: 19 V output rectification in compact 65 W laptop AC–DC adapters with tight thermal constraints.

IC Role / Device Role / Timing Role: Primary output rectifier mounted directly to large PCB copper area for passive cooling.

Use Value: R_θJC = 2°C/W and 175°C T_Jmax allow sustained 10 A operation without active cooling in space-constrained enclosures.

Industrial DC–DC Converter

Telecom Intermediate Bus Converter

Use Scenario: 24 V → 5 V step-down in DIN-rail mounted programmable logic controller (PLC) power modules.

IC Role / Device Role / Timing Role: Freewheeling path during high-frequency (300 kHz) buck switching; handles reverse recovery–free commutation.

Use Value: Zero Q_rr eliminates switching loss spikes and EMI associated with Si diode recovery, easing EMI filter design.

Use Scenario: 48 V → 12 V intermediate bus conversion in 1RU telecom shelf power systems with strict MTBF requirements.

IC Role / Device Role / Timing Role: High-reliability output rectifier rated for continuous 10 A and 120 A surge per JEDEC JESD22-A114.

Use Value: Guard ring + 175°C rating ensures long-term stability under thermal cycling and line surges common in central office environments.

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-MBR1035CT	TO-220AC package, dual common-cathode die; higher R_θJA (≥70°C/W), no guard ring	Requires heatsink for 10 A; less robust in transient-prone industrial inputs	Choose only if dual-diode topology or through-hole assembly is required
ON Semiconductor MBR1035CT	TO-220AB package, single die; VF = 0.72 V @ 10 A, 25°C; R_θJA = 65°C/W	Higher conduction loss and thermal resistance; unsuitable for high-density SMT layouts	Select only for legacy TO-220 footprint compatibility-not for new D2PAK designs

Compared with VS-MBR1035CT and MBR1035CT, the MBRS1035 offers superior thermal performance (R_θJC = 2°C/W), lower VF at elevated temperature, and integrated guard ring-making it the preferred choice for high-density, high-reliability SMT power conversion where board space and transient immunity are critical.

Availability

MBRS1035 is available at Aetrix Electronics and suitable for switching mode power supplies, laptop adapters, and DC–DC converters requiring stable component supply, extended temperature operation, and high surge resilience.

Supply support for MBRS1035 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 discrete manufacturer headquartered in Hsinchu, Taiwan, serving global industrial, computing, and consumer markets since 1979.

The MBRS1035 belongs to TSC's high-current Schottky rectifier product line, engineered specifically for high-efficiency, surface-mount secondary-side rectification in compact, thermally constrained power supplies.

FAQ

What is the maximum junction temperature rating for the MBRS1035?

The MBRS1035 has a maximum junction temperature (T_J) of +175°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet. This rating enables reliable operation in enclosed industrial power supplies and telecom equipment where ambient temperatures exceed 85°C. The MBRS1035 maintains specified electrical performance up to this limit when thermal design adheres to R_θJC = 2°C/W and proper PCB copper layout is implemented.

Does the MBRS1035 have a guard ring, and what function does it serve?

Yes, the MBRS1035 incorporates a guard ring structure explicitly noted in its features list. This design prevents premature edge breakdown under transient overvoltage conditions-such as load dump or inductive kickback-thereby enhancing ruggedness without requiring external TVS or RC snubbers. The guard ring is integral to the die layout and confirmed in TSC's mechanical and reliability documentation for the MBRS1035.

What is the forward voltage of the MBRS1035 at 10 A and 125°C?

The forward voltage (V_F) of the MBRS1035 is 0.57 V under conditions of 10 A forward current and 125°C junction temperature, as specified in the Electrical Specifications table of the Taiwan Semiconductor datasheet. This low V_F at elevated temperature directly reduces conduction losses in high-ambient applications such as server PSUs and industrial DC–DC converters where the MBRS1035 operates near thermal limits.

Is the MBRS1035 RoHS and halogen-free compliant?

Yes, the MBRS1035 is RoHS compliant and halogen-free per IEC 61249-2-21, as stated in the FEATURES section of the official Taiwan Semiconductor datasheet. These compliance attributes are verified through material declarations and testing, making the MBRS1035 suitable for export-controlled and environmentally regulated end equipment including EU consumer electronics and medical-grade power supplies.

What is the moisture sensitivity level (MSL) of the MBRS1035, and how does it affect assembly?

The MBRS1035 has a moisture sensitivity level (MSL) of Level 1 per J-STD-020, meaning it has unlimited floor life and requires no baking prior to reflow soldering. This simplifies SMT line logistics, eliminates moisture-related popcorning risk, and supports just-in-time manufacturing for high-volume power supply production using the MBRS1035.

MBRS1035 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

Technology:: Schottky

Voltage - DC Reverse (Vr) (Max):: 35 V

Current - Average Rectified (Io):: 10A

Voltage - Forward (Vf) (Max) @ If:: 840 mV @ 10 A

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

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 100 µA @ 35 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

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

Operating Temperature - Junction:: -55°C ~ 175°C

MBRS1035 FAQ

1.How can I place an order for MBRS1035 through Aetrix?

Please submit a Request for Quotation (RFQ) for MBRS1035 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 MBRS1035 reliable?

The price and inventory of MBRS1035 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MBRS1035 is usually 5 days.

3.What payment methods are accepted for MBRS1035?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MBRS1035 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MBRS1035?

MBRS1035 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MBRS1035 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 MBRS1035?

For technical support, including MBRS1035 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MBRS1035 requirements.

6.How does Aetrix verify that MBRS1035 is sourced from the original manufacturer or authorized distributors?

All MBRS1035 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 MBRS1035 meets industry standards.

7.What is the process for return or replacement of MBRS1035?

All MBRS1035 units undergo pre-shipment inspection (PSI). If there is an issue with MBRS1035, 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 MBRS1035 part is unused and in its original packaging.

Return procedure for MBRS1035:

1.Submit a request within 90 days.

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

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