0603CS-4N7EJTS

Fixed Inductors Overview

The 0603CS-4N7EJTS is a fixed surface-mount inductor from Delta Electronics/Components, featuring an unshielded drum core and wirewound construction. It provides an inductance of 4.7 nH with a tolerance of ±5%. The component has a DC resistance (DCR) of 120 mOhm and supports a current rating of 700 mA. It operates within a temperature range of -40°C to 125°C. The self-resonant frequency is 5.8 GHz, measured at a test frequency of 250 MHz. The package size is 0603 (1608 Metric), with maximum dimensions of 0.063" length, 0.031" width, and 0.040" height.

Fixed Inductors Feature Summary

• Unshielded drum core wirewound design for high-frequency performance
• Compact 0603 surface-mount footprint for space-constrained layouts
• High self-resonant frequency capability up to 5.8 GHz
• RoHS compliant construction suitable for modern electronics manufacturing

Fixed Inductors Applications

• RF signal filtering in communication modules
• Impedance matching networks in wireless devices
• Power supply input/output filtering
• High-speed data line termination

Fixed Inductors Procurement Notes

Verify the specific package dimension against your PCB footprint, as seated height may vary slightly between suppliers. Confirm that the 700 mA current rating meets your circuit's peak load requirements without saturation. Ensure the 120 mOhm DCR aligns with your power loss constraints. Check RoHS compliance status if operating in regulated regions. Validate the 5.8 GHz self-resonant frequency against your target operating band to avoid unintended resonance effects.

Fixed Inductors Selection Notes

Select this component when a low-inductance value near 4.7 nH is required for high-frequency applications. The unshielded design offers lower parasitic capacitance compared to shielded alternatives, making it suitable for RF circuits where self-resonant frequency is critical. Consider the 0603 package size for standard SMT assembly lines. Compare the 120 mOhm DCR against similar parts if thermal management is a primary concern. The ceramic core material ensures stable performance across the specified temperature range.

Fixed Inductors Part Context

This part belongs to the 0603CS series of fixed inductors from Delta Electronics/Components. The series utilizes a drum core wirewound technology optimized for high-frequency stability. Similar parts in the series vary by inductance value and package size, such as the 1008CS variant which offers higher current handling. The 0603CS series is designed for general-purpose RF and digital filtering applications requiring compact form factors.

Fixed Inductors Replacement Considerations

Direct substitutes include other manufacturers' 0603 unshielded drum core inductors with identical 4.7 nH inductance and ±5% tolerance. Verify that replacement parts match the 120 mOhm DCR and 700 mA current rating. Ensure the self-resonant frequency of any alternative is at least 5.8 GHz to maintain circuit performance. Check mechanical compatibility regarding the 0.040" maximum height.