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Taiwan Semiconductor Corporation MBR20H100CT
- Part No.:
- MBR20H100CT
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Diode Arrays
- Package:
- TO-220-3
- Datasheet:
-
MBR20H100CT.pdf
- Description:
- DIODE ARR SCHOT 100V 20A TO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,271
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Product details
Overview
MBR20H100CT from Taiwan Semiconductor is a 20A, 100V dual-die Schottky barrier rectifier in TO-220AB package, featuring 0.85V max forward voltage at 10A/25°C, 150A surge capability, and AEC-Q101 qualification for automotive-grade reliability. It serves as a high-efficiency output rectifier in DC-DC converters and SMPS secondary-side circuits.
For engineers reviewing the MBR20H100CT datasheet, MBR20H100CT pinout, MBR20H100CT application, or MBR20H100CT equivalent, key selection factors include its 100V repetitive peak reverse voltage, dual-common-cathode configuration, junction-to-case thermal resistance of 1.5°C/W, and compliance with RoHS and halogen-free standards per IEC 61249-2-21.
Technical Context
This device integrates two independent Schottky diodes in a single TO-220AB package with common cathode connection (CT suffix), enabling synchronous rectification or dual-channel output paths. Its low VF and high IFSM support high-frequency switching topologies where conduction loss and transient robustness are critical.
The MBR20H100CT operates across -55°C to +175°C junction temperature range, with guard ring structure providing overvoltage protection and dv/dt rating of 10,000 V/μs ensuring stability under fast-switching conditions in automotive and industrial power supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IF (Continuous Forward Current) | 20 A - Sustains full-rated DC output current without derating at TC ≤ 80°C |
| VRRM (Repetitive Peak Reverse Voltage) | 100 V - Maximum reverse blocking voltage per diode; defines usable input/output voltage margin in flyback or forward converters |
| VF (Forward Voltage) | 0.85 V max @ 10A, 25°C - Directly reduces conduction loss and improves system efficiency vs. silicon diodes |
| IFSM (Surge Current) | 150 A @ 8.3ms - Withstands inrush and short-circuit transients without failure in AC-DC adapters |
| RθJC (Junction-to-Case Thermal Resistance) | 1.5 °C/W - Enables direct heatsink mounting for thermal management in compact 20A power stages |
| TJ Max (Maximum Junction Temperature) | +175 °C - Supports operation in under-hood automotive environments and sealed industrial enclosures |
Pinout & Package
Package: TO-220AB, 3-terminal, common-cathode configuration (pin 1 = anode A, pin 2 = cathode, pin 3 = anode B). Matte tin-plated leads meet J-STD-002 solderability; polarity marked on case.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode A | Input terminal for first Schottky diode; connects to transformer secondary or switch node in dual-output designs |
| Pin 2 | Common Cathode | Shared output node for both diodes; ties to output capacitor ground reference in center-tapped or dual-winding configurations |
| Pin 3 | Anode B | Input terminal for second Schottky diode; enables independent control or parallel path routing |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive power systems requiring zero-defect reliability and extended temperature cycling |
| Guard ring structure | Prevents premature edge breakdown under high dv/dt or transient overvoltage, improving long-term ruggedness |
| Dual-die common-cathode layout | Reduces PCB footprint vs. discrete diodes and eliminates mismatch in dual-rail or interleaved outputs |
| Halogen-free molding compound | Meets IEC 61249-2-21 for environmentally compliant manufacturing and end-of-life processing |
Applications
| Automotive DC-DC Converters | Industrial SMPS Secondary Side |
|---|---|
Use Scenario: 12V-to-5V/3.3V buck-derived converter in engine control units and ADAS modules. IC Role / Device Role / Timing Role: Output rectifier replacing conventional silicon diodes to reduce heat generation and improve efficiency at 200–500 kHz switching frequencies. Use Value: 0.85V VF minimizes conduction loss, enabling smaller heatsinks and meeting AEC-Q101 thermal stress requirements over -40°C to +125°C ambient. | Use Scenario: Dual-output 24V/12V isolated supply in programmable logic controllers and motor drives. IC Role / Device Role / Timing Role: Common-cathode dual Schottky rectifier delivering independent but thermally coupled outputs from center-tapped transformer windings. Use Value: Matched VF and TJ max of +175°C ensure balanced current sharing and sustained operation during overload transients up to 150A. |
| AC-DC Adapter Output Stage | Telecom DC-DC Brick Rectification |
Use Scenario: 19V/3.42A laptop adapter with active clamp flyback topology. IC Role / Device Role / Timing Role: Secondary-side synchronous rectifier operating at 100–135 kHz with tight duty cycle control. Use Value: Low RθJC (1.5°C/W) and 20A continuous rating allow direct bolt-down heatsinking, eliminating need for thermal pads or forced air. | Use Scenario: 48V input, 12V/20A output telecom brick using forward converter with center-tapped secondary. IC Role / Device Role / Timing Role: Dual-anode, common-cathode rectifier handling full-load current across two transformer legs with shared thermal path. Use Value: Guard ring and 10,000 V/μs dv/dt rating prevent false triggering during fast MOSFET turn-off edges in high-noise base station 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-20BQ100PbF | Same 20A/100V rating, TO-220AC package (single anode), no AEC-Q101 qualification | Lacks dual-die configuration and automotive qualification; suitable only for commercial-grade adapters | Select when dual-anode functionality is unnecessary and cost sensitivity outweighs automotive compliance |
| ON Semiconductor MBR20100CT | Identical pinout and electrical specs, but not AEC-Q101 qualified; RoHS-compliant with standard tin plating | Approved for industrial/commercial use only; not validated for automotive temperature cycling or vibration stress | Choose for non-automotive designs where qualification documentation and traceability are not required |
Compared with MBR20H100CT, VS-20BQ100PbF requires separate anode routing and lacks automotive validation, while MBR20100CT matches form/fit/function but omits AEC-Q101 test reports-making MBR20H100CT the sole choice for production automotive power modules needing certified reliability.
Availability
MBR20H100CT is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial SMPS secondary-side rectification, and telecom DC-DC brick designs requiring stable component supply and AEC-Q101 compliance.
Supply support for MBR20H100CT 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, serving global automotive, industrial, and consumer markets since 1979.
The MBR20H100CT belongs to TSC's high-current Schottky rectifier product line, engineered specifically for high-efficiency, high-reliability power conversion in automotive and harsh-environment applications.
FAQ
What does the "H" suffix in MBR20H100CT signify?
The "H" in MBR20H100CT indicates AEC-Q101 qualification-verified through accelerated stress testing including temperature cycling, humidity bias, and mechanical shock. This makes MBR20H100CT suitable for automotive power systems where zero-defect reliability is mandatory, unlike non-H variants such as MBR20100CT.
Is MBR20H100CT pin-compatible with MBR20100CT?
Yes, MBR20H100CT and MBR20100CT share identical TO-220AB package dimensions, pinout (anode–cathode–anode), and thermal pad layout. However, MBR20H100CT includes additional AEC-Q101 screening and traceability documentation not present in MBR20100CT.
What is the maximum allowable mounting torque for MBR20H100CT?
The maximum mounting torque for MBR20H100CT is 0.56 N·m when securing the TO-220AB package to a heatsink. Exceeding this value risks cracking the molded case or damaging internal wire bonds, potentially causing premature failure under thermal cycling.
Does MBR20H100CT support operation at 150°C junction temperature?
MBR20H100CT is rated for TJ up to +175°C, so operation at 150°C is within specification. At that temperature, VF drops to 0.85V max at 20A, and IR increases to 2 mA per diode-designers must verify thermal design ensures TJ remains below 175°C under worst-case load and ambient conditions.
How does the guard ring in MBR20H100CT improve reliability?
The guard ring in MBR20H100CT surrounds the active die edge to suppress electric field crowding during reverse-biased transients. This prevents localized avalanche breakdown and extends device lifetime under repeated dv/dt stress-critical in high-frequency SMPS and automotive load-dump scenarios where MBR20H100CT operates.
MBR20H100CT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io) (per Diode):
- 20A
- Voltage - Forward (Vf) (Max) @ If:
- 950 mV @ 20 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 5 µA @ 100 V
- Operating Temperature - Junction:
- -55°C ~ 175°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AB
MBR20H100CT FAQ
1.How can I place an order for MBR20H100CT through Aetrix?
Please submit a Request for Quotation (RFQ) for MBR20H100CT 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 MBR20H100CT reliable?
The price and inventory of MBR20H100CT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MBR20H100CT is usually 5 days.
3.What payment methods are accepted for MBR20H100CT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MBR20H100CT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MBR20H100CT?
MBR20H100CT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MBR20H100CT 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 MBR20H100CT?
For technical support, including MBR20H100CT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MBR20H100CT requirements.
6.How does Aetrix verify that MBR20H100CT is sourced from the original manufacturer or authorized distributors?
All MBR20H100CT 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 MBR20H100CT meets industry standards.
7.What is the process for return or replacement of MBR20H100CT?
All MBR20H100CT units undergo pre-shipment inspection (PSI). If there is an issue with MBR20H100CT, 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 MBR20H100CT part is unused and in its original packaging.
Return procedure for MBR20H100CT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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