Overview
The US1BFA is a high-performance surface mount rectifier diode produced by onsemi. This diode is part of the US1AFA-US1MFA series and is known for its fast switching capabilities and high efficiency. It features a glass passivated chip junction, which enhances its reliability and performance. The US1BFA is designed to handle high surge capacities and is suitable for a wide range of applications requiring low power loss and fast recovery times.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive Peak Reverse Voltage) | 100 | V |
| VRMS (RMS Reverse Voltage) | 70 | V |
| VDC (DC Blocking Voltage) | 100 | 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) | 1.30 | V |
| IR (Maximum Reverse Current at Rated VR) | 5 μA (TJ = 25°C), 150 μA (TJ = 125°C) | |
| Trr (Maximum Reverse Recovery Time) | 50~75 ns |
Key Features
- Glass Passivated Chip Junction: Enhances reliability and performance.
- Low Power Loss, High Efficiency: Ideal for applications requiring minimal energy loss.
- Fast Switching: Reverse recovery time of 50~75 ns.
- High Surge Capacity: Can handle high surge currents.
- UL Flammability 94V-0 Classification: Meets safety standards for flammability.
- MSL 1 per J-STD-020: Compliant with moisture sensitivity level standards.
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other critical applications.
- Pb-Free, Halogen Free, and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
Applications
The US1BFA diode is versatile and can be used in various applications, including:
- Automotive Systems: Due to its AEC-Q101 qualification, it is suitable for automotive applications requiring high reliability.
- Power Supplies: Its high efficiency and low power loss make it ideal for power supply circuits.
- Industrial Control Systems: Can be used in industrial control systems where fast switching and high surge capacity are necessary.
- Consumer Electronics: Suitable for use in consumer electronics where reliability and efficiency are critical.
Q & A
- What is the repetitive peak reverse voltage of the US1BFA diode?
The repetitive peak reverse voltage (VRRM) of the US1BFA diode is 100 V. - What is the average forward rectified current of the US1BFA diode?
The average forward rectified current (IF(AV)) of the US1BFA diode is 1 A. - What is the maximum reverse recovery time of the US1BFA diode?
The maximum reverse recovery time (Trr) of the US1BFA diode is 50~75 ns. - Is the US1BFA diode RoHS compliant?
Yes, the US1BFA diode is Pb-Free, Halogen Free, and RoHS compliant. - What is the operating junction temperature range of the US1BFA diode?
The operating junction temperature range (TJ) of the US1BFA diode is −55 to +150 °C. - What is the maximum instantaneous forward voltage of the US1BFA diode?
The maximum instantaneous forward voltage (VF) of the US1BFA diode is 1.30 V. - Is the US1BFA diode suitable for automotive applications?
Yes, the US1BFA diode is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other critical applications. - What is the package type of the US1BFA diode?
The US1BFA diode comes in a SOD-123FL package. - Does the US1BFA diode meet UL flammability standards?
Yes, the US1BFA diode meets UL flammability 94V-0 classification standards. - What is the storage temperature range of the US1BFA diode?
The storage temperature range (TSTG) of the US1BFA diode is −55 to +150 °C.
