The MBRB1045T4G is a Schottky barrier power rectifier manufactured by onsemi. It features a metal-to-silicon Schottky barrier structure with epitaxial construction, offering low forward voltage drop, fast switching characteristics, and efficient rectification performance. It is designed for low-voltage, high-frequency switching power supplies and power management circuits.
This device provides a maximum repetitive reverse voltage of 45V and an average rectified forward current rating of 10A. With a maximum operating junction temperature of +175°C, it offers reliable performance in demanding power conversion applications. Its low forward voltage helps reduce conduction losses and improve overall power efficiency.
The MBRB1045T4G comes in a D²PAK-3 (TO-263) surface-mount package, providing effective thermal performance. Typical applications include switching power supplies, freewheeling circuits, polarity protection, and other power rectification systems.
Additional features include a guardring structure for stress protection, lead-free packaging, and RoHS compliance, making it suitable for various industrial and power electronic applications.
Key Features:
- Manufacturer: onsemi
- Part Number: MBRB1045T4G
- Product Type: Schottky Power Rectifier
- Diode Configuration: Single Schottky Rectifier
- Maximum Repetitive Reverse Voltage (VRRM): 45V
- Average Rectified Forward Current (IF(AV)): 10A
- Non-Repetitive Peak Surge Current (IFSM): 150A
- Forward Voltage (VF): 0.84V Max. (IF=20A, TJ=25°C)
- Reverse Leakage Current (IR): 100μA Max. (VR=45V, TJ=25°C)
- Maximum Junction Temperature: +175°C
- Operating and Storage Temperature Range: -65°C to +175°C
- Package: D²PAK-3 (TO-263)
- Package Standard: Case 418B
- Mounting Type: Surface Mount (SMD/SMT)
- Packaging: Tape & Reel
- Standard Reel Quantity: 800 pcs
- Environmental Compliance: Lead-Free, RoHS Compliant






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