Overview
The MBRD1045T4G is a Schottky power rectifier produced by onsemi, designed for high-speed switching applications, circuit protection, and voltage clamping. This device employs the Schottky Barrier principle in a large metal-to-silicon power diode, making it ideal for use in low voltage, high frequency switching power supplies, free wheeling diodes, and polarity protection diodes. It is part of a portfolio that includes high gain ESD, high power, low distortion, and a broad range of package options.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Repetitive Reverse Voltage (VRRM) | 45 | V |
| Average Rectified Forward Current (IF(AV)) | 10 | A |
| Peak Repetitive Forward Current (IFRM) | 20 | A |
| Nonrepetitive Peak Surge Current (IFSM) | 70 | A |
| Operating Junction Temperature (TJ) | -65 to +175 | °C |
| Maximum Instantaneous Forward Voltage (VF) at IF = 10 A, TJ = 125°C | 0.57 | V |
| Maximum Instantaneous Reverse Current (IR) at Rated DC Voltage, TJ = 125°C | 15 | mA |
| Thermal Resistance, Junction-to-Case (RθJC) | 2.43 | °C/W |
| Thermal Resistance, Junction-to-Ambient (RθJA) | 68 | °C/W |
| Package Type | DPAK (TO-252-2) |
Key Features
- Low forward voltage drop, typically 0.57 V at 10 A and 125°C.
- High operating junction temperature up to 175°C.
- Guardring for stress protection.
- Epoxy meets UL 94 V-0, ensuring high safety standards.
- Pb-free, halogen-free, and RoHS compliant.
- High ESD ratings: Machine Model > 400 V, Human Body Model > 8000 V.
- Short heat sink tab for efficient heat dissipation.
Applications
The MBRD1045T4G is ideally suited for various applications, including:
- Low voltage, high frequency switching power supplies.
- Free wheeling diodes.
- Polarity protection diodes.
- Circuit protection and voltage clamping.
- Automotive and other applications requiring AEC-Q101 qualified devices.
Q & A
- What is the peak repetitive reverse voltage of the MBRD1045T4G?
The peak repetitive reverse voltage (VRRM) is 45 V. - What is the average rectified forward current of the MBRD1045T4G?
The average rectified forward current (IF(AV)) is 10 A. - What is the maximum operating junction temperature of the MBRD1045T4G?
The maximum operating junction temperature (TJ) is 175°C. - Is the MBRD1045T4G RoHS compliant?
Yes, the MBRD1045T4G is Pb-free, halogen-free, and RoHS compliant. - What package type does the MBRD1045T4G come in?
The MBRD1045T4G comes in a DPAK (TO-252-2) package. - What are the typical applications of the MBRD1045T4G?
The MBRD1045T4G is used in low voltage, high frequency switching power supplies, free wheeling diodes, polarity protection diodes, and circuit protection. - Does the MBRD1045T4G have any special ESD ratings?
Yes, it has high ESD ratings: Machine Model > 400 V, Human Body Model > 8000 V. - Is the MBRD1045T4G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding applications. - What is the maximum instantaneous forward voltage of the MBRD1045T4G at 10 A and 125°C?
The maximum instantaneous forward voltage (VF) at 10 A and 125°C is 0.57 V. - What is the thermal resistance, junction-to-case (RθJC) of the MBRD1045T4G?
The thermal resistance, junction-to-case (RθJC) is 2.43 °C/W).
