7.2 µH Shielded Drum Core, Wirewound Inductor 7.9 A 12.8mOhm Max Nonstandard # 7447798720 ## General Description The 7447798720 is a high-performance power inductor manufactured by Würth Elektronik as part of the WE-MAPI series. It is designed for energy storage, filtering, and power conversion applications in modern switching power supplies and DC-DC converter circuits. The component features a magnetically shielded construction that minimizes electromagnetic interference while maintaining excellent current handling capability and low power losses. Its compact surface-mount design and robust mechanical structure make it suitable for industrial automation equipment, telecommunications systems, embedded electronics, automotive-support applications, consumer devices, and high-efficiency power management systems. The inductor is optimized for use in applications requiring stable inductance, low DC resistance, and reliable performance under varying load conditions. ## Key Features ### Magnetic Characteristics * Magnetically shielded construction * Stable inductance performance * High-current handling capability * Low magnetic flux leakage * Optimized energy storage capability * Suitable for high-frequency switching applications ### Electrical Characteristics * Low DC resistance * High efficiency operation * Low core losses * Stable electrical performance * Excellent current saturation behavior * Reliable operation in power conversion circuits ### Mechanical Characteristics * Surface-mount package * Compact footprint * Robust mechanical construction * Automated assembly compatible * High-density PCB design support ### Material Construction * Metal alloy core technology * Shielded magnetic structure * High-temperature materials * RoHS-compliant construction * Lead-free compatible design ### Thermal Characteristics * Efficient heat dissipation * Stable operation under continuous load * Suitable for demanding power applications * Reliable performance across industrial operating conditions ### Environmental Characteristics * Industrial-grade reliability * Long operational service life * Resistance to mechanical stress * Suitable for harsh electronic operating environments ### Application Areas * DC-DC Converters * Switching Power Supplies * Point-of-Load Regulators * Industrial Automation Equipment * Telecommunications Systems * Embedded Electronics * Power Distribution Modules * Consumer Electronics * Energy Management Systems * Battery-Powered Devices * Motor Control Systems * Power Filtering Applications ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Power Inductor Solution ## Manufacturer Würth Elektronik ## Product Family WE-MAPI Molded Power Inductor Series #7447798720 #WurthElektronik #WEMAPI #PowerInductor #ShieldedInductor #SMDInductor #PowerElectronics #DCDCConverter #SwitchingPowerSupply #EmbeddedSystems #IndustrialElectronics #PowerManagement #PCBDesign #ElectronicsEngineering #EnergyStorage

Bourns SRN3015 Series semi-shielded power inductor, compact 3.0mm × 3.0mm × 1.5mm SMD package, ferrite core construction, inductance range 1.0µH to 100µH, rated current up to 2.35A, saturation current up to 2.35A, low DCR design, operating temperature -40°C to +125°C, RoHS compliant and halogen-free, optimized for DC/DC converters, portable electronics, digital cameras, HDDs, smartphones, LCD displays and compact power management applications. Search Keywords: SRN3015, Bourns SRN3015, SRN3015 power inductor, semi shielded inductor, SMD power inductor, 3x3mm inductor, ferrite inductor, DC DC converter inductor, low profile inductor, SRN3015-1R0Y, SRN3015-2R2M, SRN3015-4R7M, SRN3015-100M, power choke, switching regulator inductor Hashtags: #SRN3015 #BournsSRN3015 #Bourns #PowerInductor #SemiShieldedInductor #SMDInductor #FerriteInductor #DCDCInductor #SwitchingRegulatorInductor #PowerChoke #LowProfileInductor #3x3mmInductor #PortablePower #SMPSInductor #MagneticComponent

TDK SPM7054VT-150M-D shielded wirewound power inductor, 15µH inductance, ±20% tolerance, 4.5A temperature-rise current, 5.0A saturation current at 20% inductance drop, 54.8mΩ typical DC resistance, metal composite magnetic core, AEC-Q200 qualified, -55°C to +155°C operating temperature, vibration resistant up to 30G, compact 7.5 x 7.0 x 6.4mm SMD package, suitable for automotive power circuits, LED, ECM, ADAS and BCM applications. Search Keywords: SPM7054VT-150M-D, TDK SPM7054VT-150M-D, SPM7054VT 150M, SPM7054VT-150M, TDK 15uH inductor, 15uH shielded inductor, 15uH power inductor 4.5A, 15uH 54.8mOhm inductor, metal composite inductor, automotive power inductor, AEC-Q200 inductor, SPM7054VT series, TDK SPM7054VT, shielded wirewound inductor, SMD power inductor 7054 Hashtags: #SPM7054VT150MD #SPM7054VT #TDKSPM7054VT #TDKInductor #15uHInductor #PowerInductor #ShieldedInductor #WirewoundInductor #MetalCompositeInductor #SMDInductor #AutomotiveInductor #AECQ200Inductor #4A5Inductor #54mOhmInductor #7054Inductor #ECMInductor #ADASInductor #BCMInductor20200702 Manufacturer Recommendations 5.4 mm TDK

15µH Shielded Drum Core, Wirewound Inductor 5.45 A 25.8mOhm Max Nonstandard The 7447798151 is a 15 µH shielded wirewound drum core inductor optimized for high current power applications. It features low DC resistance and high saturation current capability, making it suitable for compact, high-frequency power designs. Key Features Inductance: 15 µH High current rating: up to 5.45 A (RMS) Saturation current: ~4 A Low DC resistance: 25.8 mΩ max Shielded construction for low EMI / magnetic leakage High self-resonant frequency: ~19 MHz Wide operating temperature: -40°C to +150°C Compact SMD package (~10.2 mm × 10.2 mm footprint) Typical Applications DC-DC converters (buck / boost) Power supply filtering Automotive and industrial power systems Point-of-load (POL) regulators High-frequency switching circuits #WurthElektronik #WEPDF #PowerInductor #15uH #SMDInductor #ShieldedInductor #PowerElectronics #ElectronicsComponents #SMTComponents #CommonPartsLibrary #Fixed-Inductor

Ind,3x3x1mm,10uH+/-20%,1.5A,shd Bourns SRN3012BTA Series semi-shielded SMD power inductor, 0.22µH to 47µH inductance range, ±20% tolerance, high current capability up to 6.2A Irms and 8.0A Isat depending on value, low DCR from 15mΩ typical, ferrite core with magnetic resin coating, enameled copper wire, AEC-Q200 compliant, RoHS compliant and halogen-free, -55°C to +125°C operating temperature, compact 3.0 x 3.0mm automotive-grade surface-mount package, suitable for DC/DC converters and automotive power circuits. Search Keywords: Bourns SRN3012BTA, SRN3012BTA Series, Bourns semi shielded inductor, SRN3012BTA power inductor, automotive SMD inductor, AEC-Q200 power inductor, 3.0x3.0mm power inductor, semi shielded power inductor, Bourns automotive inductor, SRN3012BTA-R22M, SRN3012BTA-1R0M, SRN3012BTA-100M, SRN3012BTA-220M, SRN3012BTA-470M, ferrite core SMD inductor, magnetic resin coated inductor 10uH shielded inductor <=1.0mm >=1.5A <=150mΊ Hashtags: #BournsSRN3012BTA #SRN3012BTA #BournsInductor #PowerInductor #SMDInductor #SemiShieldedInductor #AutomotiveInductor #AECQ200Inductor #FerriteCoreInductor #WirewoundInductor #MagneticResinInductor #DCDCInductor #HighCurrentInductor #LowDCRInductor #3x3mmInductor #SRN3012BTAR22M #SRN3012BTA100M #SRN3012BTA470M

Abracon AISC-0402HP Series high-current ceramic wire wound SMD RF inductor, 0402 package, 1.00 x 0.55 x 0.50mm size, inductance range from 2.0nH to 68nH, high Q factor, low DCR, high self-resonant frequency up to 8.5GHz, rated current up to 2100mA, ±2%, ±5% or ±10% tolerance options, -40°C to +125°C operating temperature, RoHS/RoHS II compliant, suitable for RF circuits, Bluetooth, WLAN, GPS, broadband network and wireless communication applications. Search Keywords: AISC-0402HP, Abracon AISC-0402HP, AISC-0402HP Series, Abracon 0402 inductor, 0402 ceramic wire wound inductor, high current 0402 inductor, RF chip inductor 0402, ceramic RF inductor, wire wound RF inductor, high Q 0402 inductor, low DCR 0402 inductor, SMD RF inductor, 2nH to 68nH inductor, Bluetooth RF inductor, WLAN RF inductor, GPS RF inductor, AISC-0402HP datasheet Hashtags: #AISC0402HP #AbraconAISC0402HP #AbraconInductor #0402Inductor #SMDInductor #RFInductor #CeramicInductor #WireWoundInductor #HighCurrentInductor #HighQInductor #LowDCRInductor #ChipInductor #BluetoothInductor #WLANInductor #GPSInductor #WirelessInductor #RFCircuitInductor #2nHInductor #68nHInductor 0402HP-25 0402HP

TDK SPM4030T-1R0M — shielded wound metal SMD power inductor, 1.0 µH ±20%, 4.6 A typ. Isat, 4.0 × 4.2 × 3.0 mm max. Shielded molded power inductor, 4.0mm × 4.0mm × 3.0mm package, metallic magnetic material construction, low DC resistance (DCR), high current capability and low acoustic noise. Suitable for DC/DC converters, VRM circuits, compact power supplies, servers, HDDs and notebook computers. Operating temperature range -40°C to +125°C including self-heating. Для конкретного компонента на скріншоті: SPM4030T-R40M 0.40µH shielded molded power inductor, 4.0×4.0×3.0mm, ±20% tolerance, 4.7mΩ typ DCR, 13.5A rated current (Itemp), 7.8A saturation current (Isat), magnetic shielded construction for high-current switching regulator applications. Search Keywords: SPM4030T-R40M, SPM4030, power inductor, shielded inductor, molded inductor, 0.4uH inductor, 4x4mm power inductor, DC DC converter inductor, low DCR inductor, high current inductor, VRM inductor, SMD power inductor, magnetic shielded inductor Hashtags: #SPM4030TR40M #SPM4030 #PowerInductor #ShieldedInductor #MoldedInductor #SMDInductor #HighCurrentInductor #LowDCRInductor #DCDCConverter #BuckConverter #SwitchingRegulator #VRMInductor #0404Inductor #04uHInductor #MagneticShielded

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

10 µH Shielded Drum Core, Wirewound Inductor 7.5 A 30mOhm Max Nonstandard # Engineering Specification ## Product Name SRP1038A-100M ## General Description SRP1038A-100M is a shielded surface mount power inductor designed for use in high-efficiency DC-DC conversion and power management applications. The device is intended to support energy storage and current smoothing functions in switching regulator circuits, where stable inductance performance and low power loss are critical. The inductor utilizes a ferrite core construction with a shielded magnetic structure to minimize electromagnetic interference and reduce magnetic flux leakage. This enables improved circuit density and reduced noise coupling in compact electronic assemblies. The design is optimized for use in high current power conversion systems, including buck converters, point-of-load regulators, and distributed power architectures. The component is widely used in industrial, automotive, telecommunications, and embedded systems where reliable energy transfer, thermal stability, and efficient power delivery are required. Its surface mount form factor supports automated PCB assembly and compact system integration while maintaining mechanical robustness under thermal and electrical stress. The design emphasizes low direct current resistance, high current handling capability, and stable inductance behavior under load conditions. It is suitable for applications requiring efficient power conversion with minimal energy loss and stable electromagnetic performance. ## Functional Requirements ### Energy Storage The device shall store energy in a magnetic field during switching operation in power conversion circuits. ### Current Filtering The device shall smooth current ripple in switching regulator applications to maintain stable output conditions. ### Electromagnetic Shielding The device shall reduce electromagnetic interference through a shielded magnetic structure. ### Power Conversion Support The component shall support efficient operation in DC-DC conversion systems. ## Electrical Requirements ### Inductive Performance The device shall provide stable inductance characteristics suitable for power conversion and filtering applications. ### Low Loss Operation The inductor shall minimize resistive and core losses to improve overall system efficiency. ### High Current Capability The device shall support operation under elevated current conditions typical of switching power supplies. ### Thermal Stability The inductor shall maintain performance consistency under thermal loading and temperature variation. ## Mechanical Requirements ### Surface Mount Package The device shall be supplied in a surface mount configuration suitable for automated PCB assembly processes. ### Structural Integrity The component shall withstand mechanical stress during assembly, operation, and thermal cycling. ### PCB Integration The design shall support compact layout integration in multilayer printed circuit board systems. ## Environmental Requirements ### Operating Conditions The device shall operate reliably under conditions typical of industrial and embedded electronic systems. ### Thermal Performance The component shall maintain stable operation under continuous power cycling and heat generation. ### Storage and Handling The device shall retain structural and electrical integrity during storage, transportation, and handling. ## Quality Requirements ### Reliability The inductor shall provide consistent long-term performance under continuous electrical and thermal stress. ### Verification Electrical and thermal characteristics shall be validated through appropriate qualification and testing procedures. ### Compliance The product shall conform to applicable standards for magnetic components used in power electronics applications. ## Documentation Requirements Technical documentation shall include application guidance, layout recommendations for switching power designs, thermal considerations, electrical characteristics, and integration practices for DC-DC converter systems. ## Classification Tags #SRP1038A100M #PowerInductor #ShieldedInductor #SMDInductor #MagneticComponent #EnergyStorageInductor #DCDCConverter #BuckConverter #PowerElectronics #SMPSDesign #ElectromagneticCompatibility #EMIShielding #PCBDesign #ElectricalEngineering #EmbeddedPower #IndustrialElectronics #AutomotiveElectronics #CommonPartsLibrary #ComponentLibrary #EngineeringSpecification #PowerManagement #CircuitDesign #HighCurrentInductor