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Taiwan Semiconductor Corporation MBR1035 C0G
- Part No.:
- MBR1035 C0G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- TO-220-2
- Datasheet:
-
MBR1035 C0G.pdf
- Description:
- DIODE GEN PURP 35V 10A TO220AC
- Quantity:
- Payment:
- Shipping:
Inventory:3,463
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Product details
Overview
MBR1035 from Taiwan Semiconductor is a 10A, 35V Schottky barrier rectifier in TO-220AC package, designed for high-efficiency DC/DC conversion with low forward voltage (0.70 V @ 10 A, 25°C), high surge capability (150 A IFSM), and AEC-Q101 qualification option. It serves as the primary output rectifier in compact switching power supplies.
For engineers reviewing the MBR1035 datasheet, MBR1035 pinout, MBR1035 application, or MBR1035 equivalent, key selection criteria include its 35 V VRRM rating, 3 °C/W junction-to-case thermal resistance, 150 A surge tolerance, and compatibility with high-frequency SMPS topologies requiring low conduction loss and fast recovery.
Technical Context
The MBR1035 employs a single-die Schottky structure optimized for low VF and minimal reverse recovery charge, enabling operation in high-frequency (>100 kHz) switch-mode converters without snubber circuits. Its guard ring design enhances ruggedness against transient overvoltage events.
Thermally, it features a TO-220AC case with matte tin-plated leads (J-STD-002 compliant) and a maximum mounting torque of 0.56 N·m. The device operates across –55°C to +150°C junction temperature range and meets JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 35 V - Maximum repetitive reverse blocking voltage; defines safe operating limit in DC/DC flyback or buck output stage |
| IF | 10 A - Continuous forward current rating at TA = 25°C; determines heatsink sizing under steady-state load |
| VF @ 10A, 25°C | 0.70 V max - Low conduction loss reduces power dissipation and improves efficiency in high-current paths |
| IFSM | 150 A - Non-repetitive surge current handling; supports inrush and fault transients without failure |
| RθJC | 3 °C/W - Thermal resistance from junction to case; enables direct heatsink mounting with predictable temperature rise |
| TJ max | +150 °C - Maximum junction temperature; allows operation in thermally constrained industrial enclosures |
| IR @ 35V, 25°C | 100 µA max - Low leakage preserves efficiency in standby mode and high-impedance bias networks |
Pinout & Package
Package: TO-220AC - 3-lead through-hole package with isolated tab (cathode-connected), UL 94V-0 molding compound, and matte tin-plated leads suitable for wave or hand soldering per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input current terminal | Connected to switching node (e.g., transformer secondary or buck switch node); must withstand peak reverse voltage and di/dt stress |
| Cathode | Output current terminal | Connected to output capacitor and load; electrically tied to metal tab for thermal path and EMI shielding |
| Tab (Case) | Cathode terminal & thermal interface | Internally bonded to cathode; provides low-resistance thermal path to heatsink; requires insulating washer if mounted to grounded chassis |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring protection | Enhances avalanche ruggedness and prevents edge breakdown during voltage transients in unregulated input stages |
| AEC-Q101 qualified version available | Validated for automotive under-hood applications including engine control modules and ADAS power rails |
| High IFSM / IF ratio (15:1) | Supports short-duration overload conditions (e.g., cold-start surges) without derating or parallel devices |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and global environmental directives for industrial and consumer end equipment |
Applications
| Switching Power Supply Output Rectification | USB-C PD Adapters |
|---|---|
Use Scenario: Primary 12 V/5 V output rectification in 30–65 W offline flyback or active-clamp forward converters. IC Role / Device Role / Timing Role: Uncontrolled power diode conducting during switch-off phase; defines output voltage ripple and conduction loss budget. Use Value: 0.70 V VF minimizes power loss at 10 A, enabling >92% efficiency and eliminating need for synchronous rectifier ICs in cost-sensitive designs. | Use Scenario: Secondary-side rectification in compact 45 W USB-C power adapters with high-density PCB layout. IC Role / Device Role / Timing Role: High-speed freewheeling diode in quasi-resonant topology; handles 100–300 kHz switching with negligible reverse recovery loss. Use Value: 150 A IFSM withstands repeated 200–500 ms inrush currents during plug insertion, improving field reliability vs. standard FRDs. |
| DC/DC Buck Converter Output Stage | Industrial Motor Drive Auxiliary Power |
Use Scenario: Output rectifier in 24 V input, 5 V/10 A step-down converter for FPGA or microcontroller power rails. IC Role / Device Role / Timing Role: Freewheeling path during high-side MOSFET off-time; critical for maintaining continuous inductor current and minimizing voltage overshoot. Use Value: 3 °C/W RθJC allows direct mounting to aluminum chassis, reducing thermal interface layers and simplifying thermal management in space-constrained modules. | Use Scenario: Isolated auxiliary supply rectification in servo drive control boards operating in ambient up to 70°C. IC Role / Device Role / Timing Role: Input-side rectifier feeding linear regulator or buck controller for gate driver and logic supply. Use Value: –55°C to +150°C TJ range ensures stable operation during motor stall conditions where board temperature exceeds 85°C. |
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-220AB package (dual common-cathode), 0.72 V VF max @ 10 A, same VRRM and IFSM | Requires dual-diode configuration; not drop-in for single-diode layouts | Select only when dual-output or interleaved rectification is needed |
| ON Semiconductor MBR1035CT | TO-220AC package, 0.75 V VF max @ 10 A, 125°C TJ max (vs. 150°C), no AEC-Q101 variant | Limited high-temp margin; unsuitable for under-hood automotive use | Prefer for commercial-grade applications where cost is prioritized over extended temperature or qualification |
Compared with VS-MBR1035CT and MBR1035CT, the MBR1035 offers superior thermal capability (+150°C TJ), AEC-Q101 availability, and tighter VF distribution-making it optimal for automotive and industrial environments demanding long-term reliability under thermal stress.
Availability
MBR1035 is available at Aetrix Electronics and suitable for switching mode power supplies, USB-C PD adapters, and DC/DC converters requiring stable component supply, consistent parametric performance, and long-lifecycle support.
Supply support for MBR1035 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 discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving industrial, computing, and automotive markets since 1979.
The MBR1035 belongs to TSC's high-current Schottky rectifier product line, engineered specifically for high-efficiency, high-reliability power conversion in space- and thermally-constrained systems.
FAQ
What is the maximum junction temperature rating for the MBR1035?
The MBR1035 has a maximum junction temperature (TJ max) of +150°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet (Version M2103). This rating enables reliable operation in high-ambient environments such as enclosed industrial power supplies or automotive under-dash modules. Derating curves confirm usable current capacity down to 0 A at 150°C case temperature.
Is the MBR1035 pin-compatible with other TO-220AC Schottky rectifiers?
Yes-the MBR1035 uses standard TO-220AC mechanical dimensions and 3-lead anode/cathode/tab pinout, matching industry-standard footprints like STPS1035D, SB1030, and FER1030. However, electrical parameters (e.g., VF, IR, IFSM) differ; always verify thermal and surge margins before substitution. The MBR1035 tab is cathode-connected, consistent with most TO-220AC Schottkys.
Does the MBR1035 have AEC-Q101 qualification?
The base MBR1035 is not AEC-Q101 qualified, but Taiwan Semiconductor offers the MBR1035H variant-identical electrically and mechanically-with full AEC-Q101 stress test compliance. Per ordering information (Version M2103), "H" suffix denotes qualification. Designers targeting automotive applications must specify MBR1035H to meet functional safety requirements.
What is the typical forward voltage of the MBR1035 at 10 A and 125°C?
Per the Electrical Specifications table (Version M2103), the MBR1035 exhibits a typical forward voltage of 0.57 V at 10 A and TJ = 125°C. This lower VF at elevated temperature reflects the negative temperature coefficient of Schottky diodes and directly improves system efficiency during thermal stress conditions.
How does the guard ring feature improve reliability in the MBR1035?
The guard ring in the MBR1035 is a diffusion-based structural enhancement surrounding the active junction. It prevents premature edge breakdown during voltage transients-such as load dump or inductive kickback-by equalizing electric field distribution. This extends operational life in unregulated input stages and eliminates need for external TVS clamping in many 24 V industrial systems.
MBR1035 C0G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-220-2
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 35 V
- Current - Average Rectified (Io):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 700 mV @ 10 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 100 µA @ 35 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AC
- Operating Temperature - Junction:
- -55°C ~ 150°C
MBR1035 C0G FAQ
1.How can I place an order for MBR1035 C0G through Aetrix?
Please submit a Request for Quotation (RFQ) for MBR1035 C0G 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 MBR1035 C0G reliable?
The price and inventory of MBR1035 C0G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MBR1035 C0G is usually 5 days.
3.What payment methods are accepted for MBR1035 C0G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MBR1035 C0G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MBR1035 C0G?
MBR1035 C0G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MBR1035 C0G 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 MBR1035 C0G?
For technical support, including MBR1035 C0G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MBR1035 C0G requirements.
6.How does Aetrix verify that MBR1035 C0G is sourced from the original manufacturer or authorized distributors?
All MBR1035 C0G 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 MBR1035 C0G meets industry standards.
7.What is the process for return or replacement of MBR1035 C0G?
All MBR1035 C0G units undergo pre-shipment inspection (PSI). If there is an issue with MBR1035 C0G, 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 MBR1035 C0G part is unused and in its original packaging.
Return procedure for MBR1035 C0G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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