Overview
The BAR43SFILM 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 sharing similar specifications but differing in their marking and packaging details.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| 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) |
| Maximum Operating Junction Temperature (Tj) | 150 | °C |
| Maximum Storage Temperature Range (Tstg) | -65 to +150 | °C |
| Forward Voltage Drop (VF) | 0.26 to 0.33 V (IF = 2 mA), 0.45 V (IF = 15 mA) | V |
| Reverse Leakage Current (IR) | 500 nA (Tj = 25 °C, VR = VRRM), 100 µA (Tj = 100 °C) | A |
| Junction to Ambient Thermal Resistance (Rth(j-a)) | 500 | °C/W |
| Package | SOT23-3L |
Key Features
- Very small conduction losses
- Negligible switching losses
- Low forward voltage drop
- Fast switching capabilities
- Surface mount device in SOT23-3L package
- Lead-free and RoHS compliant (Ecopack2)
Applications
The BAR43SFILM diode is suitable for various applications that require low forward voltage drop and fast switching, such as:
- General-purpose rectification
- Switching circuits
- Low-voltage power supplies
- Audio and video equipment
- Automotive and industrial electronics
Q & A
- What is the maximum continuous forward current of the BAR43SFILM diode?
The maximum continuous forward current is 0.1 A.
- What is the repetitive peak off-state voltage of the BAR43SFILM diode?
The repetitive peak off-state voltage is 30 V.
- What is the maximum operating junction temperature of the BAR43SFILM diode?
The maximum operating junction temperature is 150 °C.
- What is the forward voltage drop of the BAR43SFILM diode at 2 mA and 15 mA forward current?
The forward voltage drop is 0.26 to 0.33 V at 2 mA and 0.45 V at 15 mA.
- Is the BAR43SFILM diode RoHS compliant?
Yes, the BAR43SFILM diode is RoHS compliant and comes in an Ecopack2 package.
- What is the package type of the BAR43SFILM diode?
The package type is SOT23-3L.
- What are the typical applications of the BAR43SFILM diode?
Typical applications include general-purpose rectification, switching circuits, low-voltage power supplies, audio and video equipment, and automotive and industrial electronics.
- What is the junction to ambient thermal resistance of the BAR43SFILM diode?
The junction to ambient thermal resistance is 500 °C/W.
- Can I use the BAR43SFILM diode in high-temperature environments?
The diode can operate up to a maximum junction temperature of 150 °C, but it is important to ensure proper thermal management to avoid thermal runaway.
- Where can I find more detailed specifications and resources for the BAR43SFILM diode?
You can find detailed specifications, datasheets, and other resources on the STMicroelectronics official website or through authorized distributors like Arrow Electronics.
