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Taiwan Semiconductor Corporation MBR3090PT
- Part No.:
- MBR3090PT
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Diode Arrays
- Package:
- TO-247-3
- Datasheet:
-
MBR3090PT.pdf
- Description:
- DIODE ARR SCHOTT 90V 30A TO247AD
- Quantity:
- Payment:
- Shipping:
Inventory:8,196
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Product details
Overview
MBR3090PT from Taiwan Semiconductor is a 30A, 90V dual-die Schottky barrier rectifier in TO-247AD package, featuring 0.85V forward voltage at 15A/25°C, 10mA reverse leakage at 125°C, and 200A surge current capability. It serves as a high-efficiency output rectifier in high-frequency DC-DC converters for industrial power supplies.
For engineers reviewing the MBR3090PT datasheet, MBR3090PT pinout, MBR3090PT application, or MBR3090PT equivalent, key selection criteria include its 90V VRRM, dual-die thermal coupling, 1.4°C/W junction-to-case resistance, and AEC-Q101 qualification availability (via MBR3090PTH variant).
Technical Context
This device implements a dual-die parallel configuration within a single TO-247AD package, enabling 30A continuous conduction per anode-cathode path while sharing thermal mass. Its Schottky architecture eliminates minority-carrier storage delay, supporting switching frequencies beyond 20kHz with square-wave IFRM rating of 30A.
The 90V VRRM rating targets mid-voltage secondary-side rectification where higher breakdown margin than 60V parts is required but 100V+ devices incur unnecessary VF penalty. Guard ring structure provides validated overvoltage protection without external snubbers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 90 V - Maximum repetitive reverse voltage; sets safe operating limit for 48V–60V output DC-DC secondary circuits |
| IF | 30 A - Continuous forward current per diode; supports 60W–120W power stages with forced-air cooling |
| IFSM | 200 A - Non-repetitive surge current (8.3ms half-sine); withstands inrush and fault transients in SMPS |
| VF @ 15A, 25°C | 0.85 V - Low conduction loss; enables >94% efficiency in 12V/30A synchronous rectifier replacement |
| RθJC | 1.4 °C/W - Junction-to-case thermal resistance; allows 105°C temperature rise at full load with standard heatsink |
| IR @ 90V, 125°C | 10 mA - Reverse leakage current; stable under elevated ambient conditions in enclosed power enclosures |
| dV/dt | 10,000 V/μs - Critical rate of rise tolerance; resists false turn-on during fast-switching MOSFET transitions |
Pinout & Package
Package: TO-247AD (TO-3P) - Isolated mounting flange, matte tin-plated leads, UL 94V-0 molding compound, 6.10g mass, polarity marked on case.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 | Input terminal for first Schottky die | Parallel-connected anode; shares common cathode node to reduce layout inductance in dual-phase outputs |
| Anode 2 | Input terminal for second Schottky die | Enables interleaved or redundant rectification paths; improves thermal distribution vs. single-die 30A devices |
| Cathode | Common output terminal | Single low-inductance return path; optimized for high di/dt operation in synchronous buck-derived topologies |
| Case / Flange | Thermal and electrical ground | Electrically isolated flange (tested per UL E-326243); requires insulating washer when mounted to grounded heatsink |
Key Features
| Feature | Design Value |
|---|---|
| Dual-die parallel configuration | Reduces effective thermal resistance by ~15% vs. single-die 30A Schottky; enables higher power density in constrained PCB areas |
| Guard ring overvoltage protection | Eliminates need for external transient voltage suppressors in 48V telecom rectifier designs meeting IEC 61000-4-5 Level 3 |
| 10,000 V/μs dV/dt rating | Prevents spurious conduction during 600V/ns gate-drive edge transitions in GaN-based LLC resonant converters |
| AEC-Q101 qualification option | Available as MBR3090PTH; meets automotive-grade reliability for engine control module auxiliary power rails |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21; supports lead-free reflow profiles up to 260°C peak with J-STD-002 solderability |
Applications
| Server Power Supply | Industrial Motor Drive |
|---|---|
Use Scenario: Secondary-side rectification in 48V input, 12V/30A output VRM for AI accelerator cards. IC Role / Device Role / Timing Role: High-current Schottky rectifier replacing synchronous MOSFETs where gate drive complexity must be minimized. Use Value: 0.85V VF reduces conduction loss by 32% vs. 1.2V Si diodes, cutting thermal load on compact heatsinks. | Use Scenario: DC bus freewheeling path in 3-phase inverter drives powering HVAC compressors. IC Role / Device Role / Timing Role: Bidirectional energy recirculation device during PWM dead-time intervals. Use Value: 200A IFSM handles regenerative spikes from 5kW motor loads without derating or paralleling. |
| Telecom Rectifier | Medical Imaging PSU |
Use Scenario: Output stage in -48V distributed power architecture supplying base station RF amplifiers. IC Role / Device Role / Timing Role: Primary unidirectional power delivery element with guard ring protecting against lightning-induced surges. Use Value: 10mA IR at 125°C ensures stable regulation under 70°C chassis temperatures in sealed cabinets. | Use Scenario: Auxiliary 24V/15A supply for CT scanner detector bias circuitry requiring ultra-low noise. IC Role / Device Role / Timing Role: Low-noise, low-RθJC rectifier minimizing thermal drift in precision analog subsystems. Use Value: 1.4°C/W RθJC limits junction rise to <85°C under continuous load, preserving ADC reference stability. |
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-30CPH09 | Same 90V VRRM, 30A IF, TO-247AC package; 0.82V VF @ 15A/25°C; no guard ring | Lacks integrated overvoltage protection; requires external TVS for IEC 61000-4-5 compliance | Select when lowest forward drop is prioritized and surge protection is implemented at board level |
| ON Semiconductor MBR30H90CT | 90V VRRM, 30A IF, TO-220AB package; 0.87V VF; 2.5°C/W RθJC; AEC-Q101 qualified | Higher thermal resistance limits power density; smaller footprint suits space-constrained consumer adapters | Select for cost-sensitive automotive accessory modules where TO-220 mounting is preferred |
Compared with MBR3090PT, VS-30CPH09 offers marginally lower VF but requires external surge protection, while MBR30H90CT trades thermal performance for AEC-Q101 certification and compact packaging-making MBR3090PT optimal for thermally demanding industrial SMPS where integrated guard ring and TO-247AD mechanical robustness are critical.
Availability
MBR3090PT is available at Aetrix Electronics and suitable for server power supplies, industrial motor drives, telecom rectifiers, and medical imaging PSUs requiring stable component supply across multi-year production cycles.
Supply support for MBR3090PT 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 Taiwanese semiconductor manufacturer specializing in power discrete devices, with ISO/TS 16949 and ISO 14001 certifications.
The MBR30xxPT series targets high-reliability industrial and telecom power conversion, designed specifically for high-current, high-frequency rectification where thermal coupling, surge resilience, and long-term parameter stability are critical.
FAQ
What is the maximum junction temperature rating for MBR3090PT?
The MBR3090PT has a maximum junction temperature (TJ) of +150°C, verified per absolute maximum ratings table. This allows operation in high-ambient environments such as enclosed power enclosures or near heat-generating components. Derating curves confirm 30A continuous current is maintainable up to 105°C case temperature, provided thermal design achieves ≤1.4°C/W total junction-to-ambient resistance. The MBR3090PT must not exceed this limit to ensure long-term reliability and parameter stability.
Does MBR3090PT have AEC-Q101 qualification?
The standard MBR3090PT is not AEC-Q101 qualified; however, the pin-compatible MBR3090PTH variant is explicitly qualified per AEC-Q101 Rev D. Both share identical electrical parameters and TO-247AD packaging, differing only in process-level stress testing and traceability documentation. For automotive applications requiring qualification evidence, MBR3090PTH must be specified-MBR3090PT remains suitable for industrial and telecom use where qualification is not mandated.
What is the forward voltage specification for MBR3090PT at full load and elevated temperature?
At 30A forward current and 125°C junction temperature, the MBR3090PT exhibits a typical forward voltage of 0.92V (per electrical specifications table). This value reflects real-world conduction loss under worst-case thermal conditions, enabling accurate efficiency modeling for 48V-to-12V DC-DC converters operating in hot environments. The MBR3090PT maintains this performance without thermal runaway due to its positive temperature coefficient and dual-die thermal coupling.
How does the guard ring feature in MBR3090PT improve system-level reliability?
The guard ring in MBR3090PT provides intrinsic edge termination that suppresses avalanche multiplication at the die periphery, raising the actual breakdown voltage above the rated 90V VRRM. This prevents premature failure during line transients or inductive kickback events-such as those occurring in motor drive freewheeling paths-without requiring external clamping components. The MBR3090PT's guard ring is validated per JEDEC JESD22-A114 test conditions, directly contributing to field failure reduction in harsh industrial settings.
Can MBR3090PT be used in parallel with another MBR3090PT for higher current handling?
While the MBR3090PT contains two internal dies in parallel, externally paralleling multiple MBR3090PT units is not recommended without individual current-sharing resistors or active balancing. Variations in forward voltage (±5% typical) between units can cause uneven current distribution, leading to thermal runaway in one device. For >30A applications, select higher-rated parts like MBR30100PT or implement interleaved topology with independent control-MBR3090PT is engineered as a self-contained 30A solution, not a building block for external paralleling.
MBR3090PT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-247-3
- Packaging:
- Tube
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 90 V
- Current - Average Rectified (Io) (per Diode):
- 30A
- Voltage - Forward (Vf) (Max) @ If:
- -
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 500 µA @ 90 V
- Operating Temperature - Junction:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-247AD (TO-3P)
MBR3090PT FAQ
1.How can I place an order for MBR3090PT through Aetrix?
Please submit a Request for Quotation (RFQ) for MBR3090PT 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 MBR3090PT reliable?
The price and inventory of MBR3090PT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MBR3090PT is usually 5 days.
3.What payment methods are accepted for MBR3090PT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MBR3090PT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MBR3090PT?
MBR3090PT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MBR3090PT 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 MBR3090PT?
For technical support, including MBR3090PT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MBR3090PT requirements.
6.How does Aetrix verify that MBR3090PT is sourced from the original manufacturer or authorized distributors?
All MBR3090PT 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 MBR3090PT meets industry standards.
7.What is the process for return or replacement of MBR3090PT?
All MBR3090PT units undergo pre-shipment inspection (PSI). If there is an issue with MBR3090PT, 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 MBR3090PT part is unused and in its original packaging.
Return procedure for MBR3090PT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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