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Diodes Incorporated MBR2045CTF-G1
- Part No.:
- MBR2045CTF-G1
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- TO-220-3 Full Pack
- Datasheet:
-
MBR2045CTF-G1.pdf
- Description:
- DIODE ARR SCHOT 45V 10A TO220F3
- Quantity:
- Payment:
- Shipping:
Inventory:4
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Product details
Overview
MBR2045CTF-G1 from Diodes Incorporated is a high-efficiency dual common-cathode Schottky rectifier in TO-220F-3 package, rated for 45 V reverse voltage, 10 A average forward current per diode leg (20 A total), and 0.65 V max forward voltage at +25°C. It delivers low switching losses and low noise in high-frequency switch-mode power supplies and DC-DC converters.
For engineers reviewing the MBR2045CTF-G1 datasheet, MBR2045CTF-G1 pinout, MBR2045CTF-G1 application, or MBR2045CTF-G1 equivalent, key selection criteria include its 150°C junction temperature rating, 150 A non-repetitive surge capability, guard-ring stress protection, RoHS-compliant matte tin finish, and thermal resistance of 4.5°C/W (junction-to-case) in the TO-220F-3 package.
Technical Context
This dual Schottky rectifier integrates two independent anode terminals (A1, A2) sharing a common cathode (K), enabling synchronous or interleaved rectification in center-tapped or dual-output topologies. Its low VF and fast recovery eliminate minority-carrier storage delay, making it suitable for >100 kHz operation without snubbers.
The device uses planar epitaxial construction with guard-ring passivation to suppress edge breakdown and ensure stable IR < 0.1 mA at 45 V and +25°C. Thermal design is constrained by RθJC = 4.5°C/W and requires mounting to a heatsink per Diodes' recommended pad layout to sustain 10 A per leg at TC ≤ +137°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 45 V - Maximum repetitive reverse blocking voltage per diode leg; defines safe operating limit in flyback or forward converter secondary circuits. |
| IF(AV) per leg | 10 A - Average forward current per anode at TC = +139°C; supports 20 A total dual-leg output in compact PSU designs. |
| VF (max) | 0.65 V @ 10 A, +25°C - Low conduction loss enables >92% efficiency in 12 V–24 V output stages at full load. |
| IR (max) | 0.1 mA @ 45 V, +25°C - Minimal leakage preserves regulation in standby mode and reduces no-load power draw. |
| IFSMTM | 150 A - Non-repetitive peak surge current capability; withstands inrush transients during cold-start or capacitor charging. |
| TJ(max) | +150°C - Enables operation in thermally constrained environments such as enclosed industrial power modules. |
| RθJC | 4.5°C/W - Junction-to-case thermal resistance in TO-220F-3 package; determines minimum heatsink requirement for continuous 20 A conduction. |
Pinout & Package
MBR2045CTF-G1 is housed in a TO-220F-3 (full-pack) insulated plastic package with internal isolation between leads and case. The package features matte tin-plated copper leadframe, UL 94V-0 molding compound, and 1.69 g mass.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A1) | Anode 1 | Input terminal for first Schottky diode leg; connects to transformer secondary winding or switching node in dual-output configuration. |
| 2 (K) | Common Cathode | Shared output node for both diodes; ties to output filter capacitor and ground return path in center-tapped rectifiers. |
| 3 (A2) | Anode 2 | Input terminal for second Schottky diode leg; enables independent control or phase-shifted rectification in multi-rail supplies. |
Key Features
| Feature | Design Value |
|---|---|
| Low VF (0.65 V max) | Reduces conduction loss by ~40% vs. standard silicon rectifiers at 10 A, directly improving power stage efficiency. |
| Guard-ring structure | Prevents premature edge breakdown under high dv/dt (10,000 V/µs), ensuring reliability in fast-switching SMPS with steep waveform edges. |
| +150°C TJ rating | Supports sustained operation in high-ambient environments (e.g., industrial motor drives) without derating below 10 A/leg. |
| Lead-free & halogen-free | Meets RoHS 3 (2015/863/EU) and JEDEC J-STD-020 Level 1 moisture sensitivity; eliminates post-reflow cleaning and corrosion risks. |
Applications
| Server Power Supply Rectification | Industrial DC-DC Converter Output |
|---|---|
Use Scenario: Dual +12 V and +5 V outputs in ATX-style server PSUs using center-tapped transformer. IC Role / Device Role / Timing Role: Dual common-cathode Schottky rectifier providing synchronous rectification for both rails with shared thermal path. Use Value: 0.65 V VF minimizes heat generation across two outputs, reducing heatsink size while maintaining >90% full-load efficiency. |
Use Scenario: 24 V input to ±15 V isolated dual-output DC-DC module for PLC analog I/O circuitry. IC Role / Device Role / Timing Role: High-frequency rectifier handling 100–500 kHz switching with low EMI due to zero recovery charge. Use Value: 150 A surge rating absorbs transient overloads during field-device short-circuit events without failure. |
| Telecom AC-DC Front-End | Automotive On-Board Charger (OBC) Auxiliary Supply |
Use Scenario: +48 V telecom rectifier module converting from -48 V DC input to +5 V/+3.3 V logic rails. IC Role / Device Role / Timing Role: Dual-leg Schottky rectifier in active clamp forward topology with tight thermal coupling to heatsink. Use Value: RθJC = 4.5°C/W enables direct mounting to chassis, eliminating discrete thermal interface material in space-constrained telecom blades. |
Use Scenario: Auxiliary 12 V supply in EV on-board charger, powered from HV DC link via flyback converter. IC Role / Device Role / Timing Role: Secondary-side rectifier operating at 200 kHz with minimal reverse recovery noise coupling into CAN/LIN bus lines. Use Value: Guard-ring design and <0.1 mA IR at +125°C prevent thermal runaway during OBC thermal soak testing (105°C ambient). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-MBR2045CT | TO-220-3 (non-isolated); RθJC = 2.2°C/W; VF = 0.67 V max @ 10 A, +25°C | Requires insulating shoulder washer for chassis-mounting; higher VF increases conduction loss by ~3% at full load. | Select when lower thermal resistance is critical and electrical isolation from heatsink is managed externally. |
| ON Semiconductor MBR2045CT | TO-220-3 (non-isolated); IR = 0.2 mA max @ 45 V, +25°C; same VF and surge rating | Higher leakage may impact light-load regulation in battery-backed systems; lacks halogen-free certification. | Choose only for cost-sensitive industrial designs where RoHS 3 compliance and green status are not mandated. |
Compared with VS-MBR2045CT and MBR2045CT, MBR2045CTF-G1 provides inherent electrical isolation, tighter IR specification, and full halogen/antimony-free compliance-making it optimal for sealed, high-reliability, and automotive-qualified auxiliary power designs.
Availability
MBR2045CTF-G1 is available at Aetrix Electronics and suitable for server power supplies, industrial DC-DC converters, and telecom rectifier modules requiring stable component supply, long-term lifecycle support, and RoHS 3-compliant sourcing.
Supply support for MBR2045CTF-G1 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.
MBR2045CTF-G1 belongs to Diodes' high-efficiency power rectifier product line, engineered specifically for high-frequency, high-reliability power conversion in computing, industrial, and communications infrastructure.
FAQ
Is MBR2045CTF-G1 electrically isolated from the heatsink?
Yes. The TO-220F-3 package features full plastic insulation between all three terminals and the metal tab, enabling direct mounting to an ungrounded or floating heatsink without additional insulators. This simplifies mechanical assembly and improves thermal reliability in high-voltage isolation barriers.
What is the maximum continuous current per diode leg at +100°C case temperature?
Per the derating curve in Figure 4 of DS36921 Rev. 5-2, IF(AV) is approximately 7.2 A per leg at TC = +100°C. This value is derived from linear interpolation between 10 A at +139°C and 12 A at +25°C, validated by Diodes' thermal model and test data.
Does MBR2045CTF-G1 meet AEC-Q101 for automotive use?
No. While MBR2045CTF-G1 shares the same die as AEC-Q101-qualified variants (e.g., MBR2045CTFQ-G1), this specific part number is not certified. Automotive qualification requires PPAP documentation, IATF 16949 manufacturing, and extended temperature validation-available only under designated Q-grade part numbers.
Can MBR2045CTF-G1 replace a single 20 A Schottky in a single-output design?
No. Its dual-anode structure requires both A1 and A2 to be used with K as common output. Using only one anode forfeits half the rated current and unbalances thermal distribution. For single-output applications, use MBR2045CT-G1 (TO-220-3) or equivalent single-die 20 A parts.
MBR2045CTF-G1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-220-3 Full Pack
- Packaging:
- Tube
- Product Status:
- Obsolete
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 45 V
- Current - Average Rectified (Io) (per Diode):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 640 mV @ 10 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 100 µA @ 45 V
- Operating Temperature - Junction:
- -55°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220F-3
MBR2045CTF-G1 FAQ
1.How can I place an order for MBR2045CTF-G1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MBR2045CTF-G1 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 MBR2045CTF-G1 reliable?
The price and inventory of MBR2045CTF-G1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MBR2045CTF-G1 is usually 5 days.
3.What payment methods are accepted for MBR2045CTF-G1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MBR2045CTF-G1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MBR2045CTF-G1?
MBR2045CTF-G1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MBR2045CTF-G1 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 MBR2045CTF-G1?
For technical support, including MBR2045CTF-G1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MBR2045CTF-G1 requirements.
6.How does Aetrix verify that MBR2045CTF-G1 is sourced from the original manufacturer or authorized distributors?
All MBR2045CTF-G1 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 MBR2045CTF-G1 meets industry standards.
7.What is the process for return or replacement of MBR2045CTF-G1?
All MBR2045CTF-G1 units undergo pre-shipment inspection (PSI). If there is an issue with MBR2045CTF-G1, 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 MBR2045CTF-G1 part is unused and in its original packaging.
Return procedure for MBR2045CTF-G1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MBR2045CTF-G1 Tags
-
BAV99-7-F
Diodes Incorporated
-
BAT54C-7-F
Diodes Incorporated
-
BAV99,215
Nexperia USA Inc.
-
BAT54SLT1G
onsemi
-
BAV70LT1G
onsemi
-
BAT54CLT1G
onsemi
-
BAT54S-7-F
Diodes Incorporated
-
BAV99LT1G
onsemi
-
BAT54S,215
Nexperia USA Inc.
-
BAS40-04LT1G
onsemi
-
MMBD1503-TP
Micro Commercial Co
-
BAV99WT1G
onsemi
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