Overview
The US1DFA is a surface mount superfast rectifier diode produced by onsemi. It is part of the US1AFA-US1MFA series, known for its fast switching speed and high efficiency. This diode is designed for applications requiring fast recovery times and low power loss, making it suitable for a variety of electronic circuits. The US1DFA features a compact SOD-123FL package, which is thermally efficient and has an ultra-thin profile with a maximum height of 1.08mm.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive Peak Reverse Voltage) | 200 | V |
| VRMS (RMS Reverse Voltage) | 140 | V |
| VDC (DC Blocking Voltage) | 200 | V |
| IF(AV) (Average Forward Rectified Current) | 1 | A |
| IFSM (Peak Forward Surge Current) | 30 | A |
| TJ (Operating Junction Temperature Range) | -55 to +150 | °C |
| TSTG (Storage Temperature Range) | -55 to +150 | °C |
| VF (Maximum Instantaneous Forward Voltage) | 1.70 | V |
| IR (Maximum Reverse Current at Rated VR) | 5 µA (at TJ = 25°C), 150 µA (at TJ = 125°C) | µA |
| Trr (Maximum Reverse Recovery Time) | 50-75 ns | ns |
Key Features
- Glass Passivated Chip Junction: Ensures high reliability and durability.
- Low Power Loss, High Efficiency: Optimized for minimal power consumption and high efficiency.
- Fast Switching Reverse Recovery Time: With a maximum recovery time of 50-75 ns, it is ideal for high-speed applications.
- High Surge Capacity: Can handle peak forward surge currents up to 30 A.
- UL Flammability 94V-0 Classification: Meets safety standards for flammability.
- MSL 1 per J-STD-020: Compliant with moisture sensitivity level 1.
- Pb-Free, Halogen Free, and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring stringent quality standards.
Applications
The US1DFA is suitable for a wide range of applications, including:
- Automotive Systems: Due to its AEC-Q101 qualification, it is ideal for use in automotive electronics.
- Power Supplies: Its high efficiency and fast switching capabilities make it suitable for power supply circuits.
- Switching Regulators: The fast recovery time and high surge capacity make it a good choice for switching regulators.
- General Purpose Rectification: Can be used in various general-purpose rectification applications requiring fast recovery and low power loss.
Q & A
- What is the maximum repetitive peak reverse voltage of the US1DFA?
The maximum repetitive peak reverse voltage (VRRM) is 200 V. - What is the average forward rectified current of the US1DFA?
The average forward rectified current (IF(AV)) is 1 A. - What is the maximum reverse recovery time of the US1DFA?
The maximum reverse recovery time (Trr) is 50-75 ns. - Is the US1DFA RoHS compliant?
Yes, the US1DFA is Pb-Free, Halogen Free, and RoHS compliant. - What is the operating junction temperature range of the US1DFA?
The operating junction temperature range (TJ) is -55 to +150 °C. - What is the peak forward surge current of the US1DFA?
The peak forward surge current (IFSM) is 30 A. - Is the US1DFA suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other stringent applications. - What is the maximum instantaneous forward voltage of the US1DFA?
The maximum instantaneous forward voltage (VF) is 1.70 V. - What is the moisture sensitivity level of the US1DFA?
The US1DFA has a moisture sensitivity level (MSL) of 1 per J-STD-020. - What package type does the US1DFA come in?
The US1DFA comes in a SOD-123FL package.
