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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Image	Stock Code(▲▼)	Description	Manufacturer	Global Stock ⓘ (▲▼)	Price(USD) (Ex. GST)(▲▼)	Enter Qty	Type	Package / Case	Shielding	Inductance	Tolerance	Maximum DC Current	Maximum DC Resistance	Saturation Current	Minimum Operating Temperature	Maximum Operating Temperature	Q Minimum	Self Resonant Frequency	Termination	Length	Width	Height	Diameter	Core Material	Qualification	Series	Packaging


Hot	1812AF-221K-01 Warehouse Options	RF Inductors - SMD 220uH .79 MHz 10% Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.	Fastron	Availability : 0 Request Quote	USD 0.7627	Multiples of: 600	Wirewound	1812 (4532 METRIC)	Unshielded	220 uH	10 %	115 mA	16.2 Ohms		- 40 C	+ 125 C	38	6 MHz	Standard	4.9 mm	3.8 mm	3.65 mm		Ceramic/Ferrite	AEC - Q200	1812AF	Reel
Hot	1812AF-102K-01 Warehouse Options	RF Inductors - SMD 1000uH .79 MHz 10% Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.	Fastron	Availability : 0 Request Quote	USD 0.7627	Multiples of: 600	Wirewound	1812 (4532 METRIC)	Unshielded	1 mH	10 %	50 mA	44 Ohms		- 40 C	+ 125 C	26	1.6 MHz	Standard	4.9 mm	3.8 mm	3.65 mm		Ceramic/Ferrite	AEC - Q200	1812AF	Reel
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Hot	0402HP-30NXJRW Warehouse Options	RF Inductors - SMD 1005 30nH Unshld 5% 450mA 330mOhms Large This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.	Coilcraft	Availability : 0 Request Quote	USD 0.7632	Multiples of: 1				30 nH
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