3.9 nH Unshielded Wirewound Inductor 700 mA 80mOhm Max 0603 (1608 Metric) ## Engineering Specification ## General Description The **0603CS-3N9XJRW** is a Coilcraft **0603CS series ceramic-core chip inductor** designed for RF, microwave, and high-frequency circuit applications. It provides low-value inductance in a compact surface-mount package and is suitable for impedance matching, RF filtering, tuning networks, resonant circuits, and general high-frequency signal-path designs. The component is commonly used in wireless modules, RF front-end circuits, communication equipment, test hardware, and compact printed circuit board assemblies requiring stable high-frequency inductive performance. ## Device Identification Manufacturer Part Number: **0603CS-3N9XJRW** Manufacturer: **Coilcraft** Product Series: **0603CS** Device Category: **Passive Electronic Component** Device Type: **Fixed Inductor** Inductor Type: **RF Chip Inductor** Construction Type: **Unshielded Wirewound Ceramic-Core Inductor** Mounting Type: **Surface Mount** ## Functional Description The device functions as a fixed-value RF inductor used to store magnetic energy and provide frequency-dependent impedance in electronic circuits. It is designed for high-frequency performance where low inductance value, compact size, and predictable RF behavior are required. The component can be used in matching networks, RF filters, oscillators, resonant circuits, and signal conditioning paths. ## Electrical Description The inductor has a nominal inductance of **three point nine nanohenries** with **five percent tolerance**. It is rated for **seven hundred milliamps** current and has a maximum DC resistance of **eighty milliohms**. The part provides a minimum self-resonant frequency of **six point nine gigahertz** and a minimum Q value suitable for RF circuit applications. It should be operated within the manufacturer’s specified current, temperature, and electrical limits. ## Mechanical Description The component is supplied in an **0603 surface-mount package**, also known as **1608 metric size**. It is designed for compact PCB layouts and automated pick-and-place assembly. The unshielded chip construction is suitable for high-frequency signal applications where board layout and nearby component placement are carefully controlled. ## Material and Construction Description The device uses a ceramic-core wirewound construction, which supports stable high-frequency inductance characteristics. The specified configuration includes RoHS-compliant matte tin over nickel over silver-platinum-glass frit termination, suitable for standard surface-mount soldering processes. ## Mounting and Assembly Description The **0603CS-3N9XJRW** is intended for surface-mount PCB assembly. Proper land pattern design, solder paste control, placement accuracy, and reflow soldering profile should follow Coilcraft recommendations. RF layout practices should be observed, including short trace lengths, controlled impedance routing, proper grounding, and minimized parasitic capacitance. ## Application Suitability The device is suitable for RF matching networks, wireless communication circuits, antenna tuning, filters, oscillators, resonant circuits, broadband RF designs, cellular modules, Wi-Fi and Bluetooth hardware, test equipment, and high-frequency embedded electronics. ## Design Considerations The design should account for inductance tolerance, Q factor, self-resonant frequency, DC resistance, current rating, operating temperature, layout parasitics, solder joint reliability, and interaction with nearby magnetic or conductive structures. For RF applications, the final performance should be validated in the actual PCB layout because trace geometry and component placement can affect impedance and resonance behavior. ## Hashtags #commonpartslibrary #inductor #rfinductor #chipinductor #coilcraft #coilcraftinductor #0603cs #0603component #smdinductor #surfacemount #wirewoundinductor #ceramiccoreinductor #passivecomponent #rfdesign #highfrequency #impedancematching #rffilter #wirelesshardware #communicationequipment #pcbdesign #hardwaredesign #electronicscomponents #electronicparts #componentlibrary #engineeringparts #electronicsengineering

5.6 nH Unshielded Wirewound Inductor 700 mA 75mOhm Max 0603 (1608 Metric) ## Engineering Specification ## General Description The **0603CS-5N6XJRW** is a Coilcraft **0603CS series ceramic-core chip inductor** designed for RF, microwave, and high-frequency electronic circuit applications. It provides low-value inductance in a compact surface-mount package and is suitable for impedance matching, RF filtering, tuning networks, resonant circuits, oscillators, and general high-frequency signal-path designs. The component is commonly used in wireless modules, communication equipment, RF front-end circuits, test hardware, and compact printed circuit board assemblies requiring stable inductive performance at high frequencies. ## Device Identification Manufacturer Part Number: **0603CS-5N6XJRW** Manufacturer: **Coilcraft** Product Series: **0603CS** Device Category: **Passive Electronic Component** Device Type: **Fixed Inductor** Inductor Type: **RF Chip Inductor** Construction Type: **Unshielded Wirewound Ceramic-Core Inductor** Mounting Type: **Surface Mount** ## Functional Description The device functions as a fixed-value RF inductor used to provide frequency-dependent impedance, energy storage, resonance control, and impedance transformation in electronic circuits. It is designed for high-frequency operation where compact size, low inductance value, and stable RF behavior are required. The component is suitable for use in matching networks, filters, resonant circuits, oscillators, and RF signal conditioning stages. ## Electrical Description The inductor has a nominal inductance of **five point six nanohenries** with **five percent tolerance**. It is rated for **seven hundred milliamps** current and has a maximum DC resistance of **seventy-five milliohms**. The device is intended for RF applications requiring low resistance, high self-resonant frequency, and predictable inductive behavior. It should be operated within the manufacturer’s specified electrical, thermal, and current limits. ## Mechanical Description The component is supplied in an **0603 surface-mount package**, also known as **1608 metric size**. Its compact chip construction supports dense PCB layouts and automated pick-and-place assembly. The unshielded construction is suitable for RF signal applications where board layout, component spacing, and parasitic effects are properly controlled. ## Material and Construction Description The device uses a ceramic-core wirewound construction to support stable high-frequency inductance characteristics. The termination system is designed for standard surface-mount soldering processes and is suitable for compact RF circuit board assemblies. ## Mounting and Assembly Description The **0603CS-5N6XJRW** is intended for surface-mount PCB assembly using standard reflow soldering processes. Proper land pattern design, solder paste control, placement accuracy, and reflow profile should follow Coilcraft recommendations. RF layout practices should be applied, including short trace lengths, controlled impedance routing, minimized parasitic capacitance, and appropriate spacing from nearby conductive or magnetic structures. ## Application Suitability The device is suitable for RF matching networks, antenna tuning, wireless communication circuits, RF filters, resonant circuits, oscillators, broadband RF designs, cellular modules, Wi-Fi and Bluetooth hardware, test equipment, and compact high-frequency embedded electronics. ## Design Considerations The design should account for inductance tolerance, Q factor, self-resonant frequency, DC resistance, current rating, operating temperature, PCB layout parasitics, solder joint reliability, and interaction with nearby components. For RF applications, final performance should be validated in the actual PCB layout because trace geometry, grounding, and component placement can affect impedance and resonance behavior. ## Hashtags #commonpartslibrary #inductor #rfinductor #chipinductor #coilcraft #coilcraftinductor #0603cs #0603component #smdinductor #surfacemount #wirewoundinductor #ceramiccoreinductor #passivecomponent #rfdesign #highfrequency #impedancematching #rffilter #antennatuning #wirelesshardware #communicationequipment #pcbdesign #hardwaredesign #electronicscomponents #electronicparts #componentlibrary #engineeringparts #electronicsengineering