The FIS115NL is a current sense transformer manufactured by Pulse Electronics. It is designed for accurate and reliable current measurement in a variety of electronic applications. This transformer offers galvanic isolation, providing safety and preventing ground loops in sensitive circuits. Its compact size and robust construction make it suitable for demanding industrial and commercial environments.

Applications

• Switch-mode power supplies (SMPS)
• Motor control circuits
• Inverters
• Battery management systems
• Overcurrent protection circuits
• Industrial automation equipment

Features

• High accuracy current sensing
• Galvanic isolation between primary and secondary windings
• Low DC resistance to minimize power loss
• Compact size for space-constrained applications
• Wide operating frequency range
• RoHS compliant

Benefits

• Improved efficiency in power conversion systems due to accurate current monitoring.
• Enhanced safety through galvanic isolation, protecting sensitive circuits and personnel.
• Reduced power dissipation thanks to low DC resistance.
• Simplified circuit design due to its compact size and ease of integration.
• Increased reliability and longevity of electronic systems with robust construction.

Additional Details

The FIS115NL features a turns ratio that allows for scaling down the current to a measurable voltage. The specific turns ratio can be found in the manufacturer's datasheet. The core material is chosen to provide high permeability and low core loss, which is crucial for accurate current measurement. The transformer is designed to operate over a wide temperature range, making it suitable for various environmental conditions. It's typically surface-mounted for efficient manufacturing.

When selecting a current sense transformer like the FIS115NL, important parameters to consider include the primary current range, the accuracy required, the operating frequency, and the isolation voltage. The datasheet provides detailed specifications such as inductance, DC resistance, saturation current, and isolation voltage, ensuring proper integration into the intended application. This part is commonly used in conjunction with op-amps or dedicated current sense amplifiers to provide a conditioned output signal proportional to the measured current.