BAR43SFILM by STMicroelectronics

Overview of BAR43SFILM by STMicroelectronics

The BAR43SFILM is a small signal Schottky diode mechanism, adept at functioning with dual series connections and featuring a center tap between its two elements. This component is specified by its operating capability of accommodating up to 30 V, the forward current of 100 mA, with a remarkable forward voltage drop (Vf) of a mere 0.33 V at a 2 mA test current, and a non-repetitive peak forward current of 750 mA. Furthermore, the device withstands temperatures up to 150°C, highlighting its robustness for varied operational environments. Designed for surface mounting with a Plastic Small Outline package, the BAR43SFILM incorporates high-performance specifications into a user-friendly format, making it easily integratable into a plethora of circuit designs. It holds a compliance status with RoHS, ensuring its suitability for use in environmentally sensitive applications.

This Schottky diode from STMicroelectronics is notably utilized within the subcategory of Rectifier Diodes, offering a silicon-based diode element material. Its attributes such as low forward voltage drop and fast switching times render it ideal for high efficiency applications. It is also characterized by its “SERIES CONNECTED, CENTER TAP, 2 ELEMENTS” configuration, which can provide enhanced flexibility in circuit design and application.

Industry Applications for BAR43SFILM

The diverse characteristics of the BAR43SFILM enable its use in a wide range of applications across multiple industries. Although identified for applications in the Aerospace and Defense sectors, its unique properties could potentially extend its utility to several other domains:

  • Aerospace and Defense: Due to its high-temperature tolerance and reliability, it might be utilized in satellite communication systems, avionics, and military-grade power supply units. Its fast switching capability and low voltage drop make it suitable for high-frequency applications and power-efficient designs that are crucial in these settings.
  • Telecommunication: The BAR43SFILM could find applications in RF circuits, acting as a detector diode or for mixing signals where its low forward voltage drop and fast recovery time are beneficial for improving efficiency and reducing energy loss.
  • Consumer Electronics: Its characteristics allow for potential application in portable devices such as smartphones, tablets, and laptops, especially within charging circuits, power management modules, or as protection diodes for sensitive components due to its efficient performance and compact footprint.
  • Power Supply Units (PSUs) and Renewable Energy Systems: It could serve in switching power supplies, voltage regulation modules, and protection circuits within power converters for solar panels and wind turbines, contributing to overall system efficiency and reliability.

It’s important to note that these potential applications are conceptual and require thorough analysis and verification by engineering and design teams for specific use cases.

About STMicroelectronics

STMicroelectronics is a global semiconductor leader that delivers a broad spectrum of electronic components, notably excelling in the development and manufacturing of Diodes, including the Schottky and Rectifier Diodes. Their product range in this category features components designed for high efficiency, low power loss, and miniaturization, catering to a diverse array of industrial, computing, automotive, and consumer electronics applications. The BAR43SFILM, with its high reliability and performance, is a testament to STMicroelectronics’ commitment to innovation and excellence in semiconductor manufacturing. Their products are recognized for their quality, making them a preferred choice for engineers and designers worldwide.

Where to Find BAR43SFILM by STMicroelectronics

To source the BAR43SFILM, it is recommended to utilize a reputable electronic parts aggregator such as This platform allows for the comparison of current stock levels and pricing information from a multitude of distributors. While Rectifier Diodes like BAR43SFILM have historically been available through distributors such as LCSC, Avnet Silica, Chip 1 Exchange, and Mouser Electronics, availability can fluctuate. Therefore, prospective buyers are encouraged to visit to attain the most recent inventory status and to explore alternate parts that might be offered by STMicroelectronics or other manufacturers.

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