42842C

Fixed Inductors Overview

The 42842C is an unshielded surface-mount power inductor from the Murata Power Solutions 4200 series. It features a toroidal core and standard SMD/SMT termination for PCB mounting. The component provides an inductance of 8.45 uH with a tolerance of 15%. It supports a maximum DC current of 10.4 A and has a maximum DC resistance of 8 mOhms. The self-resonant frequency is 50 MHz. Operating temperatures range from -40 C to +125 C. Physical dimensions are 18.8 mm in length, 18.8 mm in width, and 9.9 mm in height.

Fixed Inductors Feature Summary

• Unshielded toroidal core design for high-current power applications
• Surface-mount construction with standard SMD/SMT terminations
• Wide operating temperature range suitable for demanding environments

Fixed Inductors Applications

• Power supply circuits
• High current filtering
• Magnetic components in electronic systems

Fixed Inductors Procurement Notes

The 42842C is officially classified as obsolete and no longer manufactured by Murata Power Solutions. Distributors may list it as unavailable or out of stock. Verification of authenticity and condition is critical when sourcing from secondary markets. Confirm that the part number matches exactly, as suffixes may indicate different variants. Due to its discontinued status, availability is limited to existing inventory or surplus channels.

Fixed Inductors Selection Notes

Engineers should identify active substitutes from the same manufacturer family or equivalent performance alternatives. Consider parameters such as inductance value, current rating, and physical footprint compatibility. Verify that replacement components meet the required thermal and electrical specifications for the target application. Cross-reference datasheets to ensure interface and mounting style alignment.

Fixed Inductors Part Context

This component belongs to the 4200 series of power inductors produced by Murata Power Solutions. It is categorized under fixed inductors and surface-mount devices. The product line focuses on providing reliable magnetic components for power electronics. The 42842C specifically utilizes a toroidal core structure to optimize performance within its designated size constraints.

Fixed Inductors Replacement Considerations

Public sources confirm similar available substitutes exist for this obsolete part. Users should consult official distributor databases for current compatible options. Ensure any replacement maintains the 8.45 uH inductance and 10.4 A current handling capability.