47703

Overview

The Bourns Inc. model 47703 is a common mode choke / filter component designed for signal integrity and noise suppression applications. This passive electronic device functions to attenuate common mode electromagnetic interference while allowing differential signals to pass with minimal loss. It is engineered for integration into circuits requiring robust filtering capabilities in compact form factors, supporting reliable operation across standard industrial and consumer electronics environments.

Feature Summary

• Provides effective attenuation of common mode noise signals
• Supports high-frequency signal integrity preservation
• Designed for surface mount or through-hole integration

Applications

• Data line filtering in communication interfaces
• Noise suppression in consumer electronic circuits
• Signal conditioning in industrial control systems

Procurement Notes

Verify the specific manufacturer datasheet for exact electrical parameters such as impedance, current rating, and DC resistance before procurement. Confirm package dimensions and pin configuration match your PCB layout requirements. Ensure compliance with relevant environmental regulations and RoHS standards applicable to your region and end-use product classification.

Selection Notes

Select this component based on required noise frequency range and circuit impedance matching. Evaluate physical size constraints against available footprint options. Consider thermal management needs if operating near maximum current ratings. Verify compatibility with soldering processes used in your assembly line to ensure joint reliability and long-term performance stability.

Part Context

Bourns Inc. manufactures a broad portfolio of passive components including resistors, potentiometers, and magnetic devices. The 47703 belongs to their common mode choke series, which complements their circuit protection and sensing products. These components are widely utilized in automotive, industrial, and telecommunications sectors to enhance system reliability and electromagnetic compatibility.

Replacement Considerations

Consult official Bourns substitution guides or distributor cross-reference tools for verified equivalent part numbers. Ensure any substitute matches critical specifications including inductance, saturation current, and physical dimensions. Validate that alternative components meet the same safety and regulatory certifications required for your application.