CDH53-680JC

Fixed Inductors Overview

The CDH53-680JC is a fixed power inductor from Sumida's CDH53 series, designed for surface-mount applications. It features a ferrite drum core construction with a nominal inductance of 68 µH and a tolerance of ±20%. The component has a maximum DC resistance of 1.21 Ω and a rated current of 450 mA. It operates within a temperature range of -40°C to +100°C and is classified as a general-purpose inductor without magnetic shielding.

Fixed Inductors Feature Summary

• Utilizes ferrite drum core construction for stable inductive performance.
• Magnetically unshielded design suitable for general-purpose power circuits.
• Surface-mount package optimized for automated assembly processes.

Fixed Inductors Applications

• DC-DC converter circuits
• Portable digital devices such as PDAs and game machines
• Notebook PC power management systems

Fixed Inductors Procurement Notes

Verify the specific suffix configuration against official Sumida documentation to ensure compliance with environmental standards. Confirm that the selected variant matches the required RoHS and halogen-free specifications for your manufacturing process. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when a 68 µH inductance value is required for low-current power stages. Ensure the circuit design accommodates the 450 mA rated current limit and the 1.21 Ω DC resistance to maintain efficiency. Verify that the unshielded nature of the drum core does not interfere with nearby sensitive components or signal traces in the layout.

Fixed Inductors Part Context

This component belongs to the CDH53 series of power inductors manufactured by Sumida America Components Inc. The series is characterized by its ferrite drum core technology and surface-mount form factor. These inductors are engineered for use in compact electronic devices where space constraints and reliable power conversion are critical requirements.

Fixed Inductors Replacement Considerations

Publicly confirmed substitute part numbers for this specific discontinued model were not identified in the provided source material. Consult Sumida technical support or authorized distributors for direct replacements or updated series equivalents that match the electrical and mechanical specifications.