RF inductors - SMD

RF (Radio Frequency) inductors in SMD (Surface Mount Device) form are specialized components used in high-frequency electronic circuits and applications. SMD RF inductors are designed to be mounted directly onto the surface of a circuit board, offering advantages such as space-saving, easy assembly, and compatibility with automated manufacturing processes.
RF inductors are specifically optimized for operation at radio frequency ranges, typically from a few megahertz (MHz) up to several gigahertz (GHz). They are commonly used in RF applications, including RF filters, oscillators, RF amplifiers, impedance matching networks, and wireless communication systems.
SMD RF inductors feature a compact design and are constructed similarly to other inductors. They consist of a coil wound on a core material, but with specific considerations for high-frequency performance and minimizing parasitic effects. These parasitic effects include self-capacitance, series resistance, and interwinding capacitance, which can impact the inductor's performance at high frequencies.
The core materials used in SMD RF inductors are carefully chosen to provide high magnetic permeability, low losses, and stable performance across the desired frequency range. Common core materials for RF inductors include ceramic materials, ferrite, and powdered iron.
SMD RF inductors come in various package sizes and shapes, denoted by standardized codes such as 0402, 0603, or 0805, indicating their dimensions in terms of length and width. This allows for easy integration into surface mount technology and efficient assembly onto circuit boards.
When selecting SMD RF inductors, critical parameters to consider include inductance value, quality factor (Q factor), self-resonant frequency (SRF), and maximum current handling capability. The inductance value determines the component's ability to store energy in its magnetic field, while the Q factor represents its efficiency and ability to maintain high-quality performance. The SRF indicates the frequency at which the inductor starts to exhibit resonance due to its parasitic capacitance. Maximum current handling capability is crucial for ensuring the inductor can withstand the power demands of the RF circuit.
SMD RF inductors are chosen based on specific circuit requirements, such as the desired operating frequency, impedance matching, bandwidth, and available board space. They are essential components in RF systems, contributing to impedance control, filtering, and energy storage functions necessary for reliable and efficient RF signal processing and wireless communication.
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(Ex. GST)(▲▼)		Enter Qty TypePackage / CaseShieldingInductanceToleranceMaximum DC CurrentMaximum DC ResistanceSaturation CurrentMinimum Operating TemperatureMaximum Operating TemperatureQ MinimumSelf Resonant FrequencyTerminationLengthWidthHeightDiameterCore MaterialQualificationSeriesPackaging
  
                         
744761282A


RF Inductors - SMD WE-KI DCResi=3.2Ohms 820nH 0.12A AEC-Q200
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Wurth 4850
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AUD 0.3642
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Wirewound0603 (1608 METRIC)Unshielded820 nH5 %120 mA3.2 Ohms-- 40 C+ 125 C15200 MHzStandard1.6 m1.05 mm1.05 mm-CeramicAEC - Q200WE - KIReel , Cut Tape
7447602470A


RF Inductors - SMD WE-KI DCRes=1.05Ohms 470nH 0.21A AEC-Q200
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AUD 0.3642
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Wirewound0805 (2012 METRIC)Unshielded470 nH5 %210 mA1.05 Ohms-- 40 C+ 125 C25350 MHzStandard2 mm1.25 mm1.2 mm-CeramicAEC - Q200WE - KIReel , Cut Tape
744762233A


RF Inductors - SMD WE-KI 1008 330nH 500mA DCR=900mOhms 5% AEC-Q200
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AUD 0.4097
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Wirewound1008 (2520 METRIC)Unshielded330 nH5 %500 mA900 mOhms-- 40 C+ 125 C45570 MHzStandard2.5 mm2 mm1.6 mm-CeramicAEC - Q200WE - KIReel , Cut Tape
744765143A


RF Inductors - SMD WE-KI 0402 43nH 100mA DCR=810mOhms 5% AEC-Q200
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AUD 0.4405
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Wirewound0402 (1005 METRIC)Unshielded43 nH5 %100 mA810 mOhms-- 40 C+ 125 C252.03 GHzStandard1 mm0.55 mm0.5 mm-CeramicAEC - Q200WE - KIReel , Cut Tape
7447918


RF Inductors - SMD WE-MI Mulitlayer Ind 10 uH 25 mA 0.6 ohms
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AUD 0.4159
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Multilayer1206 (3216 METRIC)Unshielded10 uH10 %25 mA600 mOhms-- 55 C+ 125 C5026 MHzStandard3.2 mm1.6 mm1.1 mm-  WE - MIReel , Cut Tape
7447915


RF Inductors - SMD WE-MI 1206 1uH 10% 100mA DCR=400mOhms
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AUD 0.4551
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Multilayer1206 (3216 METRIC)Shielded1 uH10 %100 mA400 mOhms-- 55 C+ 125 C4587 MHzStandard3.2 mm1.6 mm1.3 mm-Nickel Zinc Ferrite (NiZn) WE - MIReel , Cut Tape
74479152


RF Inductors - SMD WE-MI SMT 1206 2.2 uH 10% IR = 50 mA RDC = 0.6 Ohms
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AUD 0.4402
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 1206 (3216 METRIC) 2.2 uH10 %50 mA600 mOhms - 40 C+ 85 C4558 MHzStandard3.2 mm1.6 mm1.1 mm Ceramic WE - MIReel , Cut Tape
74479032


RF Inductors - SMD 470nH; 0805 FERRITE
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AUD 0.5184
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Multilayer0805 (2012 METRIC)Unshielded470 nH10 %200 mA600 mOhms-- 55 C+ 125 C25140 MHzStandard2 mm1.25 mm1.45 mm-Nickel Zinc Ferrite (NiZn) WE - MIReel , Cut Tape
7447905


RF Inductors - SMD WE-MI 0805 1uH 50mA DCR=400mOhms10%
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Wurth 4850
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AUD 0.5797
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Multilayer0805 (2012 METRIC)Shielded1 uH10 %50 mA400 mOhms-- 55 C+ 125 C4585 MHzStandard2 mm1.25 mm1.1 mm-Nickel Zinc Ferrite (NiZn) WE - MIReel , Cut Tape
744762127A


RF Inductors - SMD WE-KI 1008 27nH 1A DCR=100mOhms 5% AEC-Q200
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Wurth 0
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AUD 0.4097
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Wirewound1008 (2520 METRIC)Unshielded27 nH5 %1 A100 mOhms-- 40 C+ 125 C601.8 GHzStandard2.5 mm2 mm1.6 mm-CeramicAEC - Q200WE - KIReel , Cut Tape
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