Overview
The BAR43AFILM is a general-purpose metal to silicon diode produced by STMicroelectronics. It is characterized by its very low turn-on voltage and fast switching capabilities, making it suitable for a variety of applications requiring efficient and reliable diode performance.
This diode is part of the BAR43 series, which includes several variants such as BAR43AFILM, BAR43CFILM, and BAR43SFILM, all packaged in the SOT23 format. The device is designed to minimize conduction and switching losses, ensuring high efficiency in its operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | BAR43AFILM | |
| Package | SOT23-3L | |
| Continuous Forward Current (IF(AV)) | 0.1 | A |
| Repetitive Peak Off-State Voltage (VDRM) | 30 | V |
| Surge Non-Repetitive Forward Current (IFSM) | 0.75 | A (tp = 10 ms sinusoidal) |
| Power Dissipation (Ptot) | 250 | mW (Tamb = 25 °C) |
| Maximum Storage Temperature Range (Tstg) | -65 to +150 | °C |
| Maximum Operating Junction Temperature (Tj) | 150 | °C |
| Maximum Temperature for Soldering (TL) | 260 | °C (during 10 s) |
| Forward Voltage Drop (VF) | 0.26 to 0.33 V (IF = 2 mA), 0.45 V (IF = 15 mA) | V |
| Junction to Ambient Thermal Resistance (Rth(j-a)) | 500 | °C/W |
Key Features
- Very small conduction losses: Minimizes energy loss during operation.
- Negligible switching losses: Ensures fast and efficient switching.
- Low forward voltage drop: Reduces voltage drop across the diode, enhancing overall circuit efficiency.
- Surface mount device: Packaged in SOT23-3L, making it suitable for surface mount technology (SMT) applications.
Applications
The BAR43AFILM diode is versatile and can be used in various applications, including:
- General-purpose rectification: Suitable for rectifying AC signals to DC in a wide range of electronic circuits.
- Switching circuits: Ideal for applications requiring fast switching times and low losses.
- Power supply circuits: Can be used in power supply designs to improve efficiency and reduce heat generation.
- Signal processing and detection: Useful in circuits where low forward voltage drop and fast switching are critical.
Q & A
- What is the maximum continuous forward current of the BAR43AFILM diode?
The maximum continuous forward current (IF(AV)) is 0.1 A.
- What is the repetitive peak off-state voltage (VDRM) of the BAR43AFILM?
The repetitive peak off-state voltage (VDRM) is 30 V.
- What is the maximum operating junction temperature (Tj) of the BAR43AFILM?
The maximum operating junction temperature (Tj) is 150 °C.
- What is the typical forward voltage drop (VF) of the BAR43AFILM at 2 mA and 15 mA?
The typical forward voltage drop (VF) is 0.26 to 0.33 V at 2 mA and 0.45 V at 15 mA.
- What is the package type of the BAR43AFILM diode?
The package type is SOT23-3L.
- What are the key features of the BAR43AFILM diode?
The key features include very small conduction losses, negligible switching losses, low forward voltage drop, and it is a surface mount device.
- What is the maximum storage temperature range for the BAR43AFILM?
The maximum storage temperature range (Tstg) is -65 to +150 °C.
- What is the junction to ambient thermal resistance (Rth(j-a)) of the BAR43AFILM?
The junction to ambient thermal resistance (Rth(j-a)) is 500 °C/W.
- Can the BAR43AFILM be used in high-frequency applications?
Yes, the BAR43AFILM is suitable for high-frequency applications due to its fast switching and low forward voltage drop characteristics.
- Is the BAR43AFILM RoHS compliant?
Yes, the BAR43AFILM is RoHS compliant with an Ecopack2 grade.
