Overview
The BAR43C Schottky diode, produced by Fairchild Semiconductor (now part of ON Semiconductor), is a versatile and reliable component designed for general-purpose switching applications. This diode is part of the BAR43 series, which includes the BAR43 and BAR43S models, each with slightly different markings and specifications. The BAR43C is packaged in a SOT-23 3L format, making it suitable for a wide range of electronic circuits where low forward voltage drop and fast switching times are critical.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Maximum Repetitive Reverse Voltage | VRRM | 30 | V |
| Average Rectified Forward Current | IF(AV) | 200 | mA |
| Non-Repetitive Peak Forward Surge Current | IFSM | 750 | mA |
| Storage Temperature Range | TSTG | -55 to +150 | °C |
| Operating Junction Temperature | TJ | 150 | °C |
| Power Dissipation | PD | 290 | mW |
| Thermal Resistance, Junction-to-Ambient | RθJA | 430 | °C/W |
| Forward Voltage (IF = 2.0 mA) | VF | 260-330 | mV |
| Forward Voltage (IF = 15 mA) | VF | 450 | mV |
| Forward Voltage (IF = 100 mA) | VF | 0.8 | V |
| Reverse Current (VR = 25 V) | IR | 0.5 | μA |
| Reverse Recovery Time | trr | 5.0 | ns |
Key Features
- Low forward voltage drop, making it efficient for power management applications.
- Fast reverse recovery time of 5.0 ns, suitable for high-frequency switching.
- Low current leakage, ensuring minimal power loss.
- Pb-free and RoHS compliant, making it environmentally friendly.
- All parts are traceable to the wafer lot, enhancing quality control.
- SOT-23 3L package, ideal for compact and space-efficient designs.
Applications
The BAR43C Schottky diode is designed for general-purpose switching applications, including but not limited to:
- Power supply circuits where low forward voltage drop is crucial.
- High-frequency switching circuits due to its fast reverse recovery time.
- Automotive and industrial control systems where reliability and efficiency are key.
- Consumer electronics requiring compact and efficient power management solutions.
Q & A
- What is the maximum repetitive reverse voltage of the BAR43C Schottky diode?
The maximum repetitive reverse voltage (VRRM) is 30 V. - What is the average rectified forward current of the BAR43C?
The average rectified forward current (IF(AV)) is 200 mA. - What is the non-repetitive peak forward surge current of the BAR43C?
The non-repetitive peak forward surge current (IFSM) is 750 mA. - What is the storage temperature range for the BAR43C?
The storage temperature range (TSTG) is -55°C to +150°C. - What is the operating junction temperature of the BAR43C?
The operating junction temperature (TJ) is 150°C. - What is the power dissipation of the BAR43C?
The power dissipation (PD) is 290 mW. - What is the thermal resistance from junction to ambient for the BAR43C?
The thermal resistance from junction to ambient (RθJA) is 430 °C/W. - What are the typical forward voltage values for the BAR43C at different current levels?
The forward voltage (VF) is 260-330 mV at IF = 2.0 mA, 450 mV at IF = 15 mA, and 0.8 V at IF = 100 mA. - What is the reverse recovery time of the BAR43C?
The reverse recovery time (trr) is 5.0 ns. - Is the BAR43C Pb-free and RoHS compliant?
Yes, the BAR43C is Pb-free and RoHS compliant.
