RF Inductors | e絡盟 Hong Kong

We offer an extensive range of wirewound, thin film, shielded and unshielded, and multilayer RF Inductors.What is an RF Inductor?RF Inductors are radio frequency inductors, used at high resonant frequencies. The three basic types are multilayered coil, thin film coated ceramic, and wire wound ceramic. Axial leaded and radial leaded devices are also available. RF inductors are used in the high-frequency band from 10 MHz to several GHz. As these products require a high Q (Quality factor) value, most have a non-magnetic core structure, and they are mainly used in the high-frequency circuits of mobile communications equipment, such as mobile phones, wireless LAN, and others.How the three types are constructed, and how to choose between themThe wire wound structure is formed by winding copper wire in a spiral shape around an alumina core. The coil can be formed using thicker wire than the multilayer and film structures, which provides the following features:

Low DC resistance is possible
Extremely high Q (Quality factor) value
Large currents can be supported

These features make the wire wound structure suitable for matching applications in antenna and PA circuits that require an extremely high Q factor, and resonance applications in IF circuits.Film structure chip inductors have a multilayer structure, but the coil is formed with high accuracy over ceramic materials.Extremely accurate cores can be formed, providing the following features:

High-performance electrical characteristics can be realized even for compact chips such as 0603 size
Prepared fine lineup of close inductance steps and tight inductance tolerance.
High Q and high SRF

This makes film structure chip inductors suitable for RF circuit matching and resonance applications that require narrow tolerance and a high Q factor to support trends toward smaller and more lightweight mobile communication equipment.The multilayer structure is formed by layering ceramic materials and a coil conductor to create an integrated multilayer-type inductor. This enables a smaller size and lower cost compared to the wire wound structure.While the Q factor is lower than that of the wire wound structure, the multilayer structure provides good overall balance between the L value tolerance, rated current, size, price, and other characteristics, enabling use in a wide range of applications.The multilayer structure is suitable for various applications such as RF circuit matching, choke, and resonance for mobile communication equipment.

			Price For		Quantity

744762256GA	4066156 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 560 nH 1.5 ohm 430 MHz 310 mA 1008 [2520 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.470 50+ HK$3.120 250+ HK$2.850 500+ HK$2.650 1000+ HK$2.440 More Pricing...	Min: 5 / Mult: 5	560nH	1.5ohm	430MHz	310mA
744914135G	4066052 Data Sheet RoHS	WURTH ELEKTRONIK Air Core Inductor 35.5 nH 4 A WE-CAIR Series ± 2% 0.0068 ohm 1.5 GHz	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ HK$6.890 10+ HK$6.390 50+ HK$5.930 100+ HK$5.410 200+ HK$4.750 More Pricing...	Min: 1 / Mult: 1	35.5nH	0.0068ohm	1.5GHz	-
7447880056	3935519 Data Sheet RoHS	WURTH ELEKTRONIK Multilayer Inductor 5.6 nH 0.23 ohm 3.2 GHz 300 mA 0805 [2012 Metric] WE-MK Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	10+ HK$1.590 100+ HK$1.260 500+ HK$0.965 1000+ HK$0.945 2000+ HK$0.925 More Pricing...	Min: 10 / Mult: 10	5.6nH	0.23ohm	3.2GHz	300mA
744913118G	4066048 Data Sheet RoHS	WURTH ELEKTRONIK Air Core Inductor 18.5 nH 4 A WE-CAIR Series ± 2% 0.0039 ohm 2.5 GHz	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ HK$6.990 10+ HK$6.470 50+ HK$6.000 100+ HK$5.510 200+ HK$4.800 More Pricing...	Min: 1 / Mult: 1	18.5nH	0.0039ohm	2.5GHz	-
744761095GA	4066096 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 9.5 nH 0.135 ohm 4.5 GHz 700 mA 0603 [1608 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.480 50+ HK$3.120 250+ HK$2.860 500+ HK$2.650 1500+ HK$2.440 More Pricing...	Min: 5 / Mult: 5	9.5nH	0.135ohm	4.5GHz	700mA
744761113A	4066099 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 13 nH 0.106 ohm 4 GHz 700 mA 0603 [1608 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.220 50+ HK$2.900 250+ HK$2.650 500+ HK$2.460 1500+ HK$2.280 More Pricing...	Min: 5 / Mult: 5	13nH	0.106ohm	4GHz	700mA
744761120A	4066104 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 20 nH 0.22 ohm 3 GHz 700 mA 0603 [1608 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.220 50+ HK$2.900 250+ HK$2.650 500+ HK$2.460 1500+ HK$2.280 More Pricing...	Min: 5 / Mult: 5	20nH	0.22ohm	3GHz	700mA
744762147GA	4066150 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 47 nH 0.1 ohm 1.5 GHz 1 A 1008 [2520 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.890 50+ HK$3.420 250+ HK$3.080 500+ HK$2.870 1000+ HK$2.660 More Pricing...	Min: 5 / Mult: 5	47nH	0.1ohm	1.5GHz	1A
744761056GA	4066087 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 5.6 nH 0.15 ohm 5.5 GHz 700 mA 0603 [1608 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.490 50+ HK$3.140 250+ HK$2.860 500+ HK$2.660 1500+ HK$2.450 More Pricing...	Min: 5 / Mult: 5	5.6nH	0.15ohm	5.5GHz	700mA
744765191A	4066172 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 91 nH 2.3 ohm 1.35 GHz 120 mA 0402 [1005 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.580 50+ HK$3.150 250+ HK$2.840 500+ HK$2.640 1500+ HK$2.460 More Pricing...	Min: 5 / Mult: 5	91nH	2.3ohm	1.35GHz	120mA
744762282GA	4066161 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 820 nH 2.3 ohm 350 MHz 180 mA 1008 [2520 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.470 50+ HK$3.120 250+ HK$2.850 500+ HK$2.650 1000+ HK$2.440 More Pricing...	Min: 5 / Mult: 5	820nH	2.3ohm	350MHz	180mA
744901058	4066184 Data Sheet RoHS	WURTH ELEKTRONIK Thin Film Inductor 5.8 nH 0.85 ohm 6 GHz 280 mA 0402 [1005 Metric] WE-TCI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	10+ HK$2.010 100+ HK$1.570 500+ HK$1.400 2500+ HK$1.040 5000+ HK$1.030 More Pricing...	Min: 10 / Mult: 10	5.8nH	0.85ohm	6GHz	280mA
BSPQ000603044N0B00	4069683 Data Sheet RoHS	PULSE ELECTRONICS Thin Film Inductor 4 nH 0.17 ohm 7 GHz 500 mA 0201 [0603 Metric] BSPQ Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	10+ HK$0.575 100+ HK$0.504 500+ HK$0.417 2500+ HK$0.374 7500+ HK$0.345 More Pricing...	Min: 10 / Mult: 10	4nH	0.17ohm	7GHz	500mA
744760191GA	4066075 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 91 nH 0.35 ohm 1.2 GHz 500 mA 0805 [2012 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.560 50+ HK$3.120 250+ HK$2.810 500+ HK$2.620 1000+ HK$2.430 More Pricing...	Min: 5 / Mult: 5	91nH	0.35ohm	1.2GHz	500mA
744761156A	4066116 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 56 nH 0.31 ohm 1.9 GHz 600 mA 0603 [1608 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.220 50+ HK$2.900 250+ HK$2.650 500+ HK$2.460 1500+ HK$2.280 More Pricing...	Min: 5 / Mult: 5	56nH	0.31ohm	1.9GHz	600mA
744760182GA	4066073 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 82 nH 0.32 ohm 1.35 GHz 500 mA 0805 [2012 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.470 50+ HK$3.120 250+ HK$2.850 500+ HK$2.650 1000+ HK$2.440 More Pricing...	Min: 5 / Mult: 5	82nH	0.32ohm	1.35GHz	500mA
744761047A	4066085 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 4.7 nH 0.13 ohm 5.8 GHz 700 mA 0603 [1608 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.160 50+ HK$2.620 250+ HK$2.300 500+ HK$2.260 1500+ HK$2.210 More Pricing...	Min: 5 / Mult: 5	4.7nH	0.13ohm	5.8GHz	700mA
744762291A	4066162 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 910 nH 3.18 ohm 330 MHz 150 mA 1008 [2520 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.220 50+ HK$2.900 250+ HK$2.650 500+ HK$2.460 1000+ HK$2.280 More Pricing...	Min: 5 / Mult: 5	910nH	3.18ohm	330MHz	150mA
744761162A	4066118 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 62 nH 0.34 ohm 1.7 GHz 600 mA 0603 [1608 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.310 50+ HK$2.910 250+ HK$2.620 500+ HK$2.440 1500+ HK$2.270 More Pricing...	Min: 5 / Mult: 5	62nH	0.34ohm	1.7GHz	600mA
74479614	4065894 Data Sheet RoHS	WURTH ELEKTRONIK Multilayer Inductor 47 nH 0.25 ohm 260 MHz 50 mA 0603 [1608 Metric] WE-MI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	10+ HK$1.340 100+ HK$0.999 500+ HK$0.981 1000+ HK$0.963 2000+ HK$0.945 More Pricing...	Min: 10 / Mult: 10	47nH	0.25ohm	260MHz	50mA
744762291GA	4066163 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 910 nH 3.18 ohm 330 MHz 150 mA 1008 [2520 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.560 50+ HK$3.120 250+ HK$2.810 500+ HK$2.620 1000+ HK$2.430 More Pricing...	Min: 5 / Mult: 5	910nH	3.18ohm	330MHz	150mA
744761212GA	4066127 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 120 nH 0.65 ohm 1.3 GHz 300 mA 0603 [1608 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.470 50+ HK$3.050 250+ HK$2.750 500+ HK$2.560 1500+ HK$2.380 More Pricing...	Min: 5 / Mult: 5	120nH	0.65ohm	1.3GHz	300mA
744762222GA	4066153 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 220 nH 0.45 ohm 730 MHz 800 mA 1008 [2520 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.560 50+ HK$3.120 250+ HK$2.810 500+ HK$2.620 1000+ HK$2.430 More Pricing...	Min: 5 / Mult: 5	220nH	0.45ohm	730MHz	800mA
744761143A	4066112 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 43 nH 0.28 ohm 2 GHz 600 mA 0603 [1608 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.310 50+ HK$2.910 250+ HK$2.620 500+ HK$2.440 1500+ HK$2.270 More Pricing...	Min: 5 / Mult: 5	43nH	0.28ohm	2GHz	600mA
744762082GA	4066144 Data Sheet RoHS	WURTH ELEKTRONIK Wirewound Inductor 8.2 nH 0.06 ohm 5.5 GHz 1 A 1008 [2520 Metric] WE-KI Series	Each (Supplied on Cut Tape) Cut Tape Packaging Options	5+ HK$3.560 50+ HK$3.120 250+ HK$2.810 500+ HK$2.620 1000+ HK$2.430 More Pricing...	Min: 5 / Mult: 5	8.2nH	0.06ohm	5.5GHz	1A

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