CTMC1812SF-R12K

Fixed Inductors Overview

The CTMC1812SF-R12K is an unshielded drum core, wirewound inductor from Central Technologies. It features a nominal inductance of 0.12 µH with a tolerance of ±10%. The component has a maximum DC resistance of 0.2 Ω and a self-resonant frequency of 735 MHz. It supports a maximum rated current of 770 mA and achieves a quality factor of 35 at the nominal inductance. The device utilizes a surface-mount 1812 (4532 Metric) package measuring 4.5 × 3.2 × 3.2 mm.

Fixed Inductors Feature Summary

• Unshielded drum core construction for general-purpose applications
• Surface-mount compatibility via 1812 footprint
• RoHS compliant and lead-free manufacturing

Fixed Inductors Applications

• RF circuits
• General purpose filtering
• Signal processing

Fixed Inductors Procurement Notes

Verify the specific ordering suffix to confirm compliance status and tolerance. Ensure the selected variant matches the required inductance value and current rating for the target circuit design. Cross-reference the package dimensions against the PCB layout to guarantee proper placement and soldering integrity during assembly processes.

Fixed Inductors Selection Notes

Select this component when a low-inductance, high-frequency solution is required in a compact surface-mount form factor. Consider the 770 mA current limit and 0.2 Ω DCR for power handling requirements. The unshielded design may necessitate careful layout planning to minimize electromagnetic interference with adjacent sensitive components on the board.

Fixed Inductors Part Context

This part belongs to the CTMC1812SF series of fixed inductors manufactured by Central Technologies. The series offers various inductance values within the 1812 package size, catering to diverse electronic design needs. The SF designation typically indicates specific construction characteristics within this product line.

Fixed Inductors Replacement Considerations

The PM1812-R12K-RC from Bourns is listed as an equivalent or alternate part number. Verify electrical parameters and physical dimensions before substitution.