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Taiwan Semiconductor Corporation MBRS1690
- Part No.:
- MBRS1690
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
MBRS1690.pdf
- Description:
- 16A, 90V, PLANAR SCHOTTKY
- Quantity:
- Payment:
- Shipping:
Inventory:6,578
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Product details
Overview
MBRS1690 from Taiwan Semiconductor is a 16A, 90V Schottky barrier surface-mount rectifier in TO-263AB (D2PAK) package, optimized for high-efficiency DC/DC conversion with low forward voltage (0.85 V at 16 A, 25°C) and high surge capability (150 A IFSM). It serves as the primary output rectifier in compact switching power supplies.
For engineers reviewing the MBRS1690 datasheet, MBRS1690 pinout, MBRS1690 application, or MBRS1690 equivalent, key selection criteria include its 90 V VRRM rating, 1.5 °C/W RθJC thermal resistance, 7.5 mA IR at 125°C, and compatibility with automated SMT placement per J-STD-002 solderability standards.
Technical Context
This single-die Schottky rectifier uses a guard-ring structure to enhance overvoltage robustness and suppress leakage under elevated junction temperatures. Its low VF and high IFSM support high-frequency operation up to 20 kHz square-wave IFRM (32 A), enabling efficient energy transfer in space-constrained SMPS designs.
The device operates across -55°C to +150°C junction range and meets JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity requirements-ensuring reliability in reflow-soldered industrial and adapter applications without baking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 90 V - Maximum repetitive reverse blocking voltage; defines safe operating limit in flyback or forward converter secondary-side circuits |
| IF | 16 A - Continuous average forward current at TC = 110°C; sets baseline conduction capacity for 24–48 V output rails |
| VF @ 16 A, 25°C | 0.85 V - Low conduction loss directly reduces heat generation and improves system efficiency above 90% |
| IFSM | 150 A - Peak non-repetitive surge current handling; withstands inrush and transient overload without failure |
| RθJC | 1.5 °C/W - Junction-to-case thermal resistance; enables direct heatsinking via PCB copper pour or external heatsink attachment |
| IR @ 90 V, 125°C | 7.5 mA - Reverse leakage at max rated temperature; impacts standby power and thermal runaway risk in high-temp environments |
Pinout & Package
Package: TO-263AB (D2PAK) - Surface-mount power package with exposed metal tab for thermal and electrical connection to drain/cathode; 3-terminal configuration (Anode, Cathode, Tab/Cathode).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Input terminal for forward conduction | Connected to transformer secondary or switch node; must be routed with low-inductance trace to minimize ringing |
| Cathode (Lead 2) | Output terminal for forward conduction | Typically tied to output capacitor negative; electrically and thermally connected to exposed tab |
| Tab (Exposed metal surface) | Cathode terminal and thermal path | Must be soldered to ≥200 mm² copper area or heatsink; provides primary thermal dissipation path (RθJC = 1.5 °C/W) |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring structure | Improves ruggedness against voltage transients and edge breakdown, extending reliability in unregulated input conditions |
| Moisture sensitivity level 1 | Eliminates pre-bake requirement before reflow, reducing manufacturing cycle time and cost for high-volume SMT lines |
| Matte tin-plated leads | Ensures consistent wetting and joint integrity per J-STD-002, critical for lead-free reflow profiles (peak 260°C) |
| UL 94V-0 molding compound | Meets flammability safety standards for enclosed power adapters and industrial enclosures without additional potting |
Applications
| Server VRM Output Rectification | Laptop AC Adapter Secondary |
|---|---|
Use Scenario: High-current, high-frequency synchronous rectification in 12 V / 50 A server point-of-load converters. IC Role / Device Role / Timing Role: Primary unidirectional power switch converting transformer AC output to regulated DC; replaces MOSFET+driver in cost-sensitive designs. Use Value: 0.85 V VF minimizes conduction loss at 16 A, reducing thermal load on 2-layer PCBs without forced air cooling. | Use Scenario: Secondary-side rectification in compact 65 W laptop adapters operating at 100–300 kHz. IC Role / Device Role / Timing Role: Freewheeling diode in quasi-resonant flyback topology; handles 16 A peak currents during duty-cycle transitions. Use Value: 150 A IFSM rating absorbs startup surges and line-dip recovery spikes without derating or parallel devices. |
| Industrial DC/DC Converter | USB-C PD Power Block |
Use Scenario: 24 V input to 5/12 V isolated DC/DC module for PLC I/O modules operating at -40°C to +85°C ambient. IC Role / Device Role / Timing Role: Output rectifier in forward converter with active clamp; conducts continuous 16 A with minimal voltage drop. Use Value: Stable 7.5 mA IR at 125°C ensures predictable leakage behavior across full industrial temperature range. | Use Scenario: Dual-output (5 V / 20 V) USB-C PD brick requiring compact, high-efficiency secondary rectification. IC Role / Device Role / Timing Role: Main output rectifier for 20 V rail; interfaces with synchronous controller and output filter capacitor. Use Value: TO-263AB package enables >200 mm² thermal pad area on 4-layer board, maintaining TJ < 130°C at full load. |
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-MBR1690CT | TO-220AC package (2-pin), higher VF (0.92 V @ 16 A), same VRRM and IFSM | Requires through-hole assembly and larger heatsink; unsuitable for ultra-thin adapter designs | Select when legacy through-hole layout or lower-cost procurement outweighs SMT density benefits |
| ON Semiconductor MBR1690CT | D2PAK-3L package, identical pinout, VF = 0.87 V @ 16 A, IR = 8.0 mA @ 125°C | Drop-in replacement with near-identical thermal and electrical behavior; validated in same reference designs | Preferred for dual-sourcing where Taiwan Semiconductor supply continuity is constrained |
Compared with VS-MBR1690CT and MBR1690CT, the MBRS1690 offers superior SMT manufacturability and marginally lower VF, while MBR1690CT provides seamless second-source compatibility and VS-MBR1690CT suits through-hole legacy systems needing no PCB redesign.
Availability
MBRS1690 is available at Aetrix Electronics and suitable for switching mode power supplies, laptop adapters, and industrial DC/DC converters requiring stable component supply, RoHS-compliant packaging, and J-STD-020 Level 1 moisture handling.
Supply support for MBRS1690 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 power supply and industrial markets since 1979.
The MBRS1690 belongs to TSC's high-current Schottky rectifier product line, engineered specifically for high-efficiency, high-density AC/DC and DC/DC power conversion in consumer and industrial applications.
FAQ
What is the maximum junction temperature rating for MBRS1690?
The MBRS1690 has a maximum junction temperature (TJ) of +150°C, verified per absolute maximum ratings table. This allows sustained operation in high-ambient environments such as enclosed power adapters or industrial control cabinets. Derating curves confirm usable current down to 110°C case temperature, and the device must be mounted with adequate copper area to maintain TJ ≤ 150°C under full 16 A load.
Does MBRS1690 have a built-in guard ring, and what does it do?
Yes, the MBRS1690 incorporates a guard ring structure explicitly stated in its features list. This design element prevents premature edge breakdown under high dv/dt or transient overvoltage conditions, improving reliability in flyback and resonant converters where voltage overshoot is common. It does not replace external snubbers but enhances intrinsic ruggedness beyond standard Schottky construction.
Is MBRS1690 compatible with lead-free reflow soldering processes?
Yes, MBRS1690 is fully compatible with lead-free reflow soldering. Its matte tin-plated leads meet J-STD-002 solderability requirements, and the UL 94V-0 molding compound withstands peak temperatures up to 260°C. The device is rated for moisture sensitivity Level 1, eliminating the need for baking prior to reflow-reducing process complexity and cost in high-volume manufacturing.
What is the reverse leakage current of MBRS1690 at elevated temperature?
At 90 V reverse bias and 125°C junction temperature, the MBRS1690 exhibits a maximum reverse leakage current (IR) of 7.5 mA, as specified in the electrical characteristics table. This value is critical for standby power budgeting in energy-efficient adapters and must be accounted for in thermal design, as leakage contributes directly to self-heating at high ambient temperatures.
Can MBRS1690 be used in place of MBRS1660 in an existing design?
Yes, MBRS1690 can replace MBRS1660 in most cases, as both share identical package (TO-263AB), pinout, and thermal performance (RθJC = 1.5 °C/W). However, the MBRS1690 has higher VRRM (90 V vs. 60 V) and slightly higher VF (0.85 V vs. 0.75 V at 16 A, 25°C), so verify that the increased voltage margin is needed and that the minor VF increase does not impact efficiency targets or thermal margins in the specific application.
MBRS1690 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):
- 90 V
- Current - Average Rectified (Io):
- 16A
- Voltage - Forward (Vf) (Max) @ If:
- 850 mV @ 16 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 300 µA @ 90 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-263AB (D2PAK)
- Operating Temperature - Junction:
- -55°C ~ 150°C
MBRS1690 FAQ
1.How can I place an order for MBRS1690 through Aetrix?
Please submit a Request for Quotation (RFQ) for MBRS1690 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 MBRS1690 reliable?
The price and inventory of MBRS1690 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MBRS1690 is usually 5 days.
3.What payment methods are accepted for MBRS1690?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MBRS1690 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MBRS1690?
MBRS1690 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MBRS1690 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 MBRS1690?
For technical support, including MBRS1690 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MBRS1690 requirements.
6.How does Aetrix verify that MBRS1690 is sourced from the original manufacturer or authorized distributors?
All MBRS1690 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 MBRS1690 meets industry standards.
7.What is the process for return or replacement of MBRS1690?
All MBRS1690 units undergo pre-shipment inspection (PSI). If there is an issue with MBRS1690, 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 MBRS1690 part is unused and in its original packaging.
Return procedure for MBRS1690:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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