About RF inductors - SMD

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.

RF inductors - SMD

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(Ex. GST)(▲▼)		Enter Qty TypePackage / CaseShieldingInductanceToleranceMaximum DC CurrentMaximum DC ResistanceSaturation CurrentMinimum Operating TemperatureMaximum Operating TemperatureQ MinimumSelf Resonant FrequencyTerminationLengthWidthHeightDiameterCore MaterialQualificationSeriesPackaging
  
                         
7447840068G


RF Inductors - SMD WE-MK DCRes=0.29Ohms 0402 0.3A +/- 2%
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USD 0.0263

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Multilayer0402 (1005 METRIC)Shielded6.8 nH2 %300 mA290 mOhms-- 55 C+ 125 C84.2 GHzStandard1 mm0.5 mm0.5 mm-Ceramic WE - MKReel , Cut Tape
7447840075G


RF Inductors - SMD WE-MK DCRes=0.31Ohms 0402 0.3A +/- 2%
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USD 0.0263

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Multilayer0402 (1005 METRIC)Shielded7.5 nH2 %300 mA310 mOhms-- 55 C+ 125 C84.2 GHzStandard1 mm0.5 mm0.5 mm-Ceramic WE - MKReel , Cut Tape
7447840020G


RF Inductors - SMD WE-MK 0.3A 2nH Sheld 0402 DCR=120 mOhms
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USD 0.0263

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Multilayer0402 (1005 METRIC)Shielded2 nH0.1 nH300 mA120 mOhms-- 55 C+ 125 C86 GHzStandard1 mm0.5 mm0.5 mm-Ceramic WE - MKReel , Cut Tape
7847805390


RF Inductors - SMD WE-MCI 3.9nH 0.14 Ohms Q-Factor=10 AEC-Q200
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USD 0.0272

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Multilayer0603 (1608 METRIC)Shielded3.9 nH0.3 %300 mA140 mOhms-- 55 C+ 125 C106 GHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7847806560


RF Inductors - SMD WE-MCI 56nH 0.75 Ohms Q-Factor=12 AEC-Q200
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USD 0.0272

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Multilayer0603 (1608 METRIC)Shielded56 nH5 %300 mA750 mOhms-- 55 C+ 125 C12900 MHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7847806120


RF Inductors - SMD WE-MCI 12nH 0.28 Ohms Q-Factor=12 AEC-Q200
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USD 0.0272

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Multilayer0603 (1608 METRIC)Shielded12 nH5 %300 mA280 mOhms-- 55 C+ 125 C122.6 GHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7847806270


RF Inductors - SMD WE-MCI 27nH 0.45 Ohms Q-Factor=12 AEC-Q200
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USD 0.0272

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Multilayer0603 (1608 METRIC)Shielded27 nH5 %300 mA450 mOhms-- 55 C+ 125 C81.4 GHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7447840112G


RF Inductors - SMD WE-MK 0.3A 12nH Shld 0402 DCR=410 mOhms
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USD 0.0272

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Multilayer0402 (1005 METRIC)Shielded12 nH2 %300 mA410 mOhms-- 55 C+ 125 C82.8 GHzStandard1 mm0.5 mm0.5 mm-Ceramic WE - MKReel , Cut Tape
7847806100


RF Inductors - SMD WE-MCI 10nH 0.26 Ohms Q-Factor=12 AEC-Q200
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USD 0.0272

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Multilayer0603 (1608 METRIC)Shielded10 nH5 %300 mA260 mOhms-- 55 C+ 125 C123.4 GHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7847805470


RF Inductors - SMD WE-MCI 4.7nH 0.16 Ohms Q-Factor=10 AEC-Q200
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USD 0.0272

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Multilayer0603 (1608 METRIC)Shielded4.7 nH0.3 %300 mA160 mOhms-- 55 C+ 125 C104 GHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7447840127G


RF Inductors - SMD WE-MK 0.3A 27nH Shld 0402 DCR=670 mOhms
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USD 0.0272

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Multilayer0402 (1005 METRIC)Shielded27 nH2 %300 mA670 mOhms-- 55 C+ 125 C81.6 GHzStandard1 mm0.5 mm0.5 mm-Ceramic WE - MKReel , Cut Tape
7847806101


RF Inductors - SMD WE-MCI 100nH 1 Ohms Q-Factor=12 AEC-Q200
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USD 0.028

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Multilayer0603 (1608 METRIC)Shielded100 nH5 %300 mA1 Ohms-- 55 C+ 125 C12600 MHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7847805820


RF Inductors - SMD WE-MCI 8.2nH 0.24 Ohms Q-Factor=10 AEC-Q200
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USD 0.028

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Multilayer0603 (1608 METRIC)Shielded8.2 nH5 %300 mA240 mOhms-- 55 C+ 125 C103.5 GHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7847806181


RF Inductors - SMD WE-MCI 180nH 1.3 Ohms Q-Factor=8 AEC-Q200
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USD 0.028

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Multilayer0603 (1608 METRIC)Shielded180 nH5 %300 mA1.3 Ohms-- 55 C+ 125 C12400 MHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7447840047G


RF Inductors - SMD WE-MK DCRes=0.23Ohms 0402 0.3A +/- 0.1nH
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Wurth Availability : 4850
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USD 0.028

Multiples of: 1

Multilayer0402 (1005 METRIC)Shielded4.7 nH0.1 nH300 mA230 mOhms-- 55 C+ 125 C86 GHzStandard1 mm0.5 mm0.5 mm-Ceramic WE - MKReel , Cut Tape
7847806390


RF Inductors - SMD WE-MCI 39nH 0.6 Ohms Q-Factor=12 AEC-Q200
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Wurth Availability : 4850
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USD 0.028

Multiples of: 1

Multilayer0603 (1608 METRIC)Shielded39 nH5 %300 mA600 mOhms-- 55 C+ 125 C121.1 GHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7447840039G


RF Inductors - SMD WE-MK DCRes=0.19Ohms 0402 0.3A +/- 0.1nH
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Wurth Availability : 4850
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USD 0.028

Multiples of: 1

Multilayer0402 (1005 METRIC)Shielded3.9 nH0.1 nH300 mA190 mOhms-- 55 C+ 125 C86 GHzStandard1 mm0.5 mm0.5 mm-Ceramic WE - MKReel , Cut Tape
7847806221


RF Inductors - SMD WE-MCI 220nH 1.5 Ohms Q-Factor=8 AEC-Q200
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USD 0.028

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Multilayer0603 (1608 METRIC)Shielded220 nH5 %300 mA1.5 Ohms-- 55 C+ 125 C12400 MHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7847806680


RF Inductors - SMD WE-MCI 68nH 0.85 Ohms Q-Factor=12 AEC-Q200
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USD 0.028

Multiples of: 1

Multilayer0603 (1608 METRIC)Shielded68 nH5 %300 mA850 mOhms-- 55 C+ 125 C12700 MHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
7847805680


RF Inductors - SMD WE-MCI 6.8nH 0.22 Ohms Q-Factor=10 AEC-Q200
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USD 0.0272

Multiples of: 1

Multilayer0603 (1608 METRIC)Shielded5.6 nH0.3 %300 mA180 mOhms-- 55 C+ 125 C104 GHzStandard1.6 mm0.8 mm0.8 mm-CeramicAEC - Q200WE - MCIReel , Cut Tape
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