Overview
The MBR140SFT3 is a surface mount Schottky power rectifier produced by onsemi. This device utilizes the Schottky Barrier principle in a large area metal-to-silicon power diode, featuring state-of-the-art geometry with chrome barrier metal, epitaxial construction, oxide passivation, and metal overlap contact. It is designed for low-voltage, high-frequency applications, making it ideal for use in rectifiers, free wheeling diodes, and polarity protection diodes. The compact surface mount package and automated handling capabilities make it suitable for applications where size and weight are critical.
Key Specifications
| Symbol | Characteristic | Value | Unit |
|---|---|---|---|
| VRRM | Peak Repetitive Reverse Voltage | 40 | V |
| IF(AV) | Average Rectified Forward Current (TL = 115°C) | 1.0 | A |
| IFSM | Non-Repetitive Peak Surge Current | 40 | A |
| TJ | Operating Junction Temperature | -65 to +125 | °C |
| VF | Maximum Instantaneous Forward Voltage (iF = 1.0 A, TJ = 25°C) | 0.6 | V |
| iR | Maximum Instantaneous Reverse Current (Rated dc Voltage, TJ = 25°C) | 1.0 | mA |
| RθJL | Thermal Resistance - Junction-to-Lead (TL = 25°C) | 12 | °C/W |
Key Features
- Small compact surface mountable package with J-bend leads.
- Rectangular package for automated handling.
- Highly stable oxide passivated junction.
- Very low forward voltage drop (0.55 V Max @ 1.0 A, TJ = 25°C).
- Excellent ability to withstand reverse avalanche energy transients.
- Guardring for stress protection.
- ESD ratings: Human Body Model = 3B (> 8000 V), Machine Model = C (> 400 V).
- AEC-Q101 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
- Pb-free devices with corrosion-resistant external surfaces and readily solderable terminal leads.
Applications
The MBR140SFT3 is ideally suited for various applications including:
- Low-voltage, high-frequency rectification.
- Free wheeling diodes.
- Polarity protection diodes.
- Automotive and industrial power systems.
- High-frequency inverters.
- Surface mount applications where compact size and weight are critical.
Q & A
- What is the peak repetitive reverse voltage of the MBR140SFT3?
The peak repetitive reverse voltage (VRRM) is 40 V.
- What is the average rectified forward current of the MBR140SFT3 at 115°C?
The average rectified forward current (IF(AV)) is 1.0 A at 115°C.
- What is the maximum instantaneous forward voltage of the MBR140SFT3 at 1.0 A and 25°C?
The maximum instantaneous forward voltage (VF) is 0.6 V at 1.0 A and 25°C.
- What is the operating junction temperature range of the MBR140SFT3?
The operating junction temperature range is -65 to +125°C.
- Is the MBR140SFT3 ESD rated?
- Is the MBR140SFT3 suitable for automotive applications?
- What is the thermal resistance of the MBR140SFT3 from junction to lead at 25°C?
The thermal resistance (RθJL) is 12 °C/W at 25°C.
- Is the MBR140SFT3 a Pb-free device?
- What are the typical applications of the MBR140SFT3?
The MBR140SFT3 is typically used in low-voltage, high-frequency rectification, free wheeling diodes, polarity protection diodes, and surface mount applications.
- What is the package type of the MBR140SFT3?
The package type is SMB (Surface Mount) with J-bend leads.
