CTMSS1278F-181K

Fixed Inductors Overview

The CTMSS1278F-181K is a shielded surface-mount power inductor manufactured by Central Technologies. It features an inductance of 180 µH and a maximum DC resistance of 300 mΩ. The component supports a saturation current of 1.7 A and operates within a temperature range of -40°C to +125°C. Its self-resonant frequency is specified at 7 MHz, and it utilizes a wirewound construction suitable for high-frequency applications.

Fixed Inductors Feature Summary

• Shielded design minimizes electromagnetic interference
• High saturation current capability for power circuits
• Wide operating temperature range ensures reliability

Fixed Inductors Applications

• DC-DC converter output filtering
• Power supply input stages
• Signal processing circuits requiring noise suppression

Fixed Inductors Procurement Notes

Verify the exact part number suffix against official Central Technologies documentation to confirm tolerance and packaging specifications. Ensure compatibility with automated pick-and-place equipment regarding package dimensions. Cross-reference manufacturer datasheets for precise electrical limits before integration into final designs.

Fixed Inductors Selection Notes

Select this component when a 180 µH inductance value is required with a 1.7 A current rating. Consider the 300 mΩ DC resistance for efficiency calculations in low-voltage applications. The shielded construction makes it suitable for dense PCB layouts where magnetic coupling must be minimized compared to unshielded alternatives.

Fixed Inductors Part Context

This model belongs to the CTMSS1278F series of fixed inductors from Central Technologies. The series offers various inductance values while maintaining consistent physical dimensions and performance characteristics. It is designed as a surface-mount device for modern electronics manufacturing processes.

Fixed Inductors Replacement Considerations

Direct substitutes include other 180 µH shielded SMD inductors with comparable current ratings and DC resistance. Verify pinout compatibility and thermal performance if replacing with components from different manufacturers.