742700713

Overview

The Würth Elektronik 742700713 is a WE-SAFB series small size EMI suppression ferrite bead. It features a cylindrical solid free-hanging core design constructed from 7W700 material. The component provides an impedance of 58 Ohms at 100 MHz, with specific data sheets citing 54 Ohms @ 100 MHz and 120 Ohms @ 100 MHz for similar variants in the series. It has a maximum current rating of 2A and a DC resistance of 150 milliohms. Physical dimensions include a 1.3mm inner diameter, 3.5mm outer diameter, and 5mm length. It operates within a temperature range of -55°C to +125°C.

Feature Summary

• Small size EMI suppression ferrite bead designed for compact applications
• Solid free-hanging cylindrical core construction for easy installation
• Suitable for transistor bases or feed line noise reduction

Applications

• Transistor base noise suppression
• Feed line EMI filtering
• General purpose signal line filtering

Procurement Notes

Verify the exact impedance value (54 Ohms vs 58 Ohms vs 120 Ohms) against the specific datasheet revision, as multiple values appear in public listings for this part number family. Confirm the manufacturer's official documentation for the precise electrical parameters before finalizing the bill of materials to avoid integration errors due to variant discrepancies.

Selection Notes

Select this component for applications requiring small form factor EMI suppression on signal lines. Ensure the cable diameter fits within the 1.3mm inner diameter constraint. Consider the 2A current rating for power handling requirements. Verify the operating temperature range meets the environmental conditions of the target application.

Part Context

This part belongs to the WE-SAFB series of small size EMI suppression ferrite beads from Würth Elektronik. These components are designed to suppress electromagnetic interference in high-frequency circuits. The series offers various impedance values and physical sizes to accommodate different cable diameters and noise frequencies.

Replacement Considerations

No publicly confirmed substitute part numbers are available in the provided source data.