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We offer a range of Air Core Inductors with choices of inductance, RMS current, and inductance tolerance.

An Air Core Inductor does not depend upon a ferromagnetic material to achieve its specified inductance. Instead, it comprises windings coiled onto an insulator such as Bakelite, glass, or PTFE, with only air inside the coil.

One of the biggest advantages of an air core inductor is the minimal signal loss that occurs at higher magnetic field strengths. With ferromagnetic cores such as iron, the core can become magnetically saturated when the magnetic field is too strong. This leads to a loss in inductance, but an air core inductor has no such problem. An air core inductor can carry electromagnetic frequencies up to 1 GHz, but ferromagnetic core inductors tend to experience loss when the frequency exceeds 100 MHz.

Air core inductors are also free of the 'iron losses' which affect ferromagnetic cores. As frequency is increased this advantage becomes progressively more important. You obtain better Q-factor, greater efficiency, greater power handling, and less distortion.

Applications for Air Core Inductors

Sometimes non-linearity in the magnetization curve can be tolerated; for example, in switching converters. However, air core inductors are essential in circuits such as audio cross over networks in hi-fi speaker systems that must avoid distortion.

Most radio transmitters rely on air coils to prevent the production of harmonics. As well as their use in constructing RF tuning coils, Air Core Inductors are also found in filter circuits, snubber circuits, and high-frequency applications including TV and radio receivers.

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Manufacturer Part No	Order Code	Description / Manufacturer	Price For	Price (Incl JCT)	Quantity	Inductance	RMS Current (Irms)	Product Range	Inductance Tolerance	DC Resistance Max	Self Resonant Frequency	Product Length	Product Width	Product Height
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2222SQ-181JEC	2287153 Data Sheet + RoHS	Air Core Inductor, Square, 180 nH, 5 A, 2222SQ Series, ± 5%, 0.0095 ohm, 1.1 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥306.53 (¥337.18) 10+ ¥268.90 (¥295.79) 25+ ¥255.42 (¥280.96) 50+ ¥240.68 (¥264.75) 100+ ¥225.94 (¥248.53) 250+ ¥211.19 (¥232.31) 1250+ ¥193.72 (¥213.09) 2500+ ¥189.00 (¥207.90) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	180nH	5A	2222SQ Series	5%	0.0095ohm	1.1GHz	8.19mm	5.59mm	5.69mm
0806SQ-5N5GLC	2286585 Data Sheet + RoHS	Air Core Inductor, Square, 5.5 nH, 2.9 A, 0806SQ Series, ± 2%, 0.0034 ohm, 4.9 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	5+ ¥327.80 (¥360.58) 50+ ¥287.57 (¥316.33) 250+ ¥273.15 (¥300.47) 500+ ¥257.39 (¥283.13) 1000+ ¥241.62 (¥265.78) 2000+ ¥225.85 (¥248.44) 10000+ ¥207.17 (¥227.89) 20000+ ¥202.11 (¥222.32) More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	5.5nH	2.9A	0806SQ Series	2%	0.0034ohm	4.9GHz	1.346mm	1.829mm	1.397mm
0806SQ-6N0GLB	2286586 Data Sheet + RoHS	Air Core Inductor, Square, 6 nH, 2.9 A, 0806SQ Series, ± 2%, 0.006 ohm, 5.2 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	5+ ¥327.80 (¥360.58) 50+ ¥287.57 (¥316.33) 250+ ¥273.15 (¥300.47) 500+ ¥257.39 (¥283.13) 1000+ ¥241.62 (¥265.78) 2000+ ¥225.85 (¥248.44) 10000+ ¥207.17 (¥227.89) 20000+ ¥202.11 (¥222.32) More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	6nH	2.9A	0806SQ Series	2%	0.006ohm	5.2GHz	1.295mm	1.829mm	1.397mm
744912210	2431632 Data Sheet + RoHS	Air Core Inductor, 100 nH, 1.7 A, WE-CAIR Series, ± 5%, 0.0123 ohm, 1.2 GHz WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥177.13 (¥194.84) 50+ ¥159.89 (¥175.88) 100+ ¥153.00 (¥168.30) 250+ ¥146.10 (¥160.71) 500+ ¥125.25 (¥137.78) 1000+ ¥102.99 (¥113.29) 5000+ ¥102.83 (¥113.11) 10000+ ¥100.78 (¥110.86) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	100nH	1.7A	WE-CAIR Series	5%	0.0123ohm	1.2GHz	4.83mm	3.81mm	4.2mm
1812SMS-39NJLC	2287131 Data Sheet + RoHS	Air Core Inductor, 39 nH, 3 A, Midi Spring 1812SMS Series, ± 5%, 0.0044 ohm, 2.1 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥351.12 (¥386.23) 10+ ¥315.39 (¥346.93) 50+ ¥279.65 (¥307.62) 100+ ¥243.91 (¥268.30) 200+ ¥208.17 (¥228.99) 500+ ¥172.43 (¥189.67) 2500+ ¥161.46 (¥177.61) 5000+ ¥158.24 (¥174.06) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	39nH	3A	Midi Spring 1812SMS Series	5%	0.0044ohm	2.1GHz	4.95mm	3.56mm	4.2mm

1111SQ-27NJEC	2343731 Data Sheet + RoHS	Air Core Inductor, Square, 27 nH, 5.5 A, 1111SQ Series, ± 5%, 0.0081 ohm, 2.6 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥289.50 (¥318.45) 10+ ¥253.97 (¥279.37) 50+ ¥241.24 (¥265.36) 100+ ¥227.32 (¥250.05) 200+ ¥213.39 (¥234.73) 600+ ¥199.46 (¥219.41) 3000+ ¥182.96 (¥201.26) 6000+ ¥178.50 (¥196.35) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	27nH	5.5A	1111SQ Series	5%	0.0081ohm	2.6GHz	2.67mm	2.67mm	2.79mm

B06TJLC	2287185 Data Sheet + RoHS	Air Core Inductor, 17.5 nH, 4 A, Mini Spring BxxT Series, ± 5%, 0.0045 ohm, 2.2 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2287185 2299840 in Full Reel	1+ ¥322.91 (¥355.20) 10+ ¥316.46 (¥348.11) 50+ ¥310.00 (¥341.00) 100+ ¥303.54 (¥333.89) 200+ ¥297.08 (¥326.79)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	17.5nH	4A	Mini Spring BxxT Series	5%	0.0045ohm	2.2GHz	6.86mm	2.79mm	3.15mm

744913080	3517140 Data Sheet + RoHS	Air Core Inductor, 8 nH, 4 A, WE-CAIR Series, ± 5%, 0.0026 ohm, 5 GHz WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥144.21 (¥158.63) 10+ ¥143.43 (¥157.77) 50+ ¥130.89 (¥143.98) 100+ ¥119.76 (¥131.74) 200+ ¥109.50 (¥120.45) 500+ ¥99.23 (¥109.15) 2500+ ¥89.98 (¥98.98) 5000+ ¥88.19 (¥97.01) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	8nH	4A	WE-CAIR Series	5%	0.0026ohm	5GHz	3.68mm	3.05mm	3.18mm

744918249	3812942 Data Sheet + RoHS	Air Core Inductor, 491 nH, 2 A, WE-CAIR Series, ± 5%, 0.065 ohm, 535 MHz WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥173.53 (¥190.88) 50+ ¥149.54 (¥164.49) 100+ ¥139.32 (¥153.25) 250+ ¥129.09 (¥142.00) 500+ ¥109.20 (¥120.12) 1000+ ¥91.85 (¥101.04) 5000+ ¥91.70 (¥100.87) 10000+ ¥89.87 (¥98.86) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	491nH	2A	WE-CAIR Series	5%	0.065ohm	535MHz	10.55mm	6.35mm	5.9mm

0806SQ-16NGLC	2286597 Data Sheet + RoHS	Air Core Inductor, Square, 15.7 nH, 2.9 A, 0806SQ Series, ± 2%, 0.009 ohm, 4.4 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	5+ ¥327.80 (¥360.58) 50+ ¥287.57 (¥316.33) 250+ ¥273.15 (¥300.47) 500+ ¥257.39 (¥283.13) 1000+ ¥241.62 (¥265.78) 2000+ ¥225.85 (¥248.44) 10000+ ¥207.17 (¥227.89) 20000+ ¥202.11 (¥222.32) More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	15.7nH	2.9A	0806SQ Series	2%	0.009ohm	4.4GHz	2.286mm	1.829mm	1.397mm

744912156	2431629 Data Sheet + RoHS	Air Core Inductor, 56 nH, 3 A, WE-CAIR Series, ± 5%, 0.0062 ohm, 1.5 GHz WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥192.81 (¥212.09) 50+ ¥166.16 (¥182.78) 100+ ¥156.13 (¥171.74) 250+ ¥146.10 (¥160.71) 500+ ¥125.25 (¥137.78) 1000+ ¥102.99 (¥113.29) 5000+ ¥100.94 (¥111.03) 10000+ ¥98.88 (¥108.77) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	56nH	3A	WE-CAIR Series	5%	0.0062ohm	1.5GHz	4.83mm	3.81mm	4.2mm

132-17SMJLD	2286985 Data Sheet + RoHS	Air Core Inductor, 380 nH, 2.5 A, Maxi Spring 132 Series, ± 5%, 0.05 ohm, 590 MHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥272.47 (¥299.72) 10+ ¥239.03 (¥262.93) 50+ ¥227.05 (¥249.76) 200+ ¥213.95 (¥235.35) 400+ ¥200.84 (¥220.92) 800+ ¥187.73 (¥206.50) 4000+ ¥172.20 (¥189.42) 8000+ ¥168.00 (¥184.80) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	380nH	2.5A	Maxi Spring 132 Series	5%	0.05ohm	590MHz	10.55mm	6.1mm	5.97mm

B07TJLC	2287186 Data Sheet + RoHS	Air Core Inductor, 22 nH, 4 A, Mini Spring BxxT Series, ± 5%, 0.0052 ohm, 2.1 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥322.91 (¥355.20) 10+ ¥290.00 (¥319.00) 50+ ¥257.08 (¥282.79) 100+ ¥224.16 (¥246.58) 200+ ¥191.24 (¥210.36) 500+ ¥158.32 (¥174.15) 2500+ ¥146.72 (¥161.39) 5000+ ¥143.79 (¥158.17) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	22nH	4A	Mini Spring BxxT Series	5%	0.0052ohm	2.1GHz	6.86mm	2.79mm	3.15mm

1212VS-66NMEB	2343766 Data Sheet + RoHS	Air Core Inductor, High Current, 66 nH, 48 A, 1212VS Series, ± 20%, 990 µohm, 480 MHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥637.80 (¥701.58) 10+ ¥581.03 (¥639.13) 25+ ¥523.15 (¥575.47) 50+ ¥465.27 (¥511.80) 100+ ¥407.39 (¥448.13) 250+ ¥349.51 (¥384.46) 1250+ ¥291.63 (¥320.79) 2500+ ¥286.07 (¥314.68) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	66nH	48A	1212VS Series	20%	990µohm	480MHz	12mm	11.5mm	8.8mm

A04TJLC	2287176 Data Sheet + RoHS	Air Core Inductor, 12.5 nH, 4 A, Mini Spring AxxT Series, ± 5%, 0.0034 ohm, 3.3 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2287176 2299831 in Full Reel	1+ ¥298.57 (¥328.43) 10+ ¥261.92 (¥288.11) 50+ ¥248.79 (¥273.67) 100+ ¥243.82 (¥268.20) 200+ ¥238.84 (¥262.72)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	12.5nH	4A	Mini Spring AxxT Series	5%	0.0034ohm	3.3GHz	3.94mm	4.45mm	3.15mm

7449152022	2777662 Data Sheet + RoHS	Air Core Inductor, 22 nH, 40 A, WE-ACHC Series, ± 20%, 550 µohm, 867 MHz WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ ¥412.26 (¥453.49) 10+ ¥398.15 (¥437.97) 50+ ¥384.04 (¥422.44) 100+ ¥343.29 (¥377.62) 200+ ¥294.70 (¥324.17) 450+ ¥246.10 (¥270.71) 2250+ ¥241.18 (¥265.30) 4500+ ¥236.26 (¥259.89) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	22nH	40A	WE-ACHC Series	20%	550µohm	867MHz	11.5mm	12mm	6.6mm

7449150023	2777657 Data Sheet + RoHS	Air Core Inductor, 23 nH, 30 A, WE-ACHC Series, ± 20%, 0.0012 ohm, 867 MHz WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ ¥250.80 (¥275.88) 50+ ¥235.13 (¥258.64) 100+ ¥210.05 (¥231.06) 250+ ¥184.97 (¥203.47) 500+ ¥150.96 (¥166.06) 950+ ¥150.80 (¥165.88) 4750+ ¥150.48 (¥165.53) 9500+ ¥147.48 (¥162.23) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	23nH	30A	WE-ACHC Series	20%	0.0012ohm	867MHz	10mm	10mm	4mm

744913118	3517137 Data Sheet + RoHS	Air Core Inductor, 18.5 nH, 4 A, WE-CAIR Series, ± 5%, 0.0039 ohm, 2.5 GHz WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥139.51 (¥153.46) 10+ ¥137.16 (¥150.88) 50+ ¥126.35 (¥138.99) 100+ ¥115.84 (¥127.42) 200+ ¥107.54 (¥118.29) 500+ ¥99.23 (¥109.15) 2500+ ¥89.82 (¥98.80) 5000+ ¥88.03 (¥96.83) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	18.5nH	4A	WE-CAIR Series	5%	0.0039ohm	2.5GHz	3.68mm	3.05mm	3.18mm

744918224	3812932 Data Sheet + RoHS	Air Core Inductor, 246 nH, 3 A, WE-CAIR Series, ± 5%, 0.035 ohm, 685 MHz WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥192.81 (¥212.09) 50+ ¥176.35 (¥193.99) 100+ ¥159.89 (¥175.88) 250+ ¥143.43 (¥157.77) 500+ ¥121.33 (¥133.46) 1000+ ¥102.05 (¥112.26) 5000+ ¥101.89 (¥112.08) 10000+ ¥99.86 (¥109.85) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	246nH	3A	WE-CAIR Series	5%	0.035ohm	685MHz	10.55mm	6.35mm	5.9mm

1812SMS-56NGLC	2287121 Data Sheet + RoHS	Air Core Inductor, 56 nH, 3 A, Midi Spring 1812SMS Series, ± 2%, 0.0062 ohm, 1.5 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2287121 2299776 in Full Reel	1+ ¥434.20 (¥477.62) 10+ ¥425.52 (¥468.07) 50+ ¥416.84 (¥458.52) 100+ ¥408.15 (¥448.97) 200+ ¥399.47 (¥439.42)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	56nH	3A	Midi Spring 1812SMS Series	2%	0.0062ohm	1.5GHz	4.95mm	3.56mm	4.2mm

AL05A3N85GTR	2373908 Data Sheet + RoHS	Air Core Inductor, RF, 3.85 nH, 1.6 A, AL Series, ± 2%, 0.006 ohm, 7.5 GHz KYOCERA AVX You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	5+ ¥68.97 (¥75.87) 50+ ¥68.20 (¥75.02) 250+ ¥67.42 (¥74.16) 500+ ¥66.64 (¥73.30) 1000+ ¥65.86 (¥72.45) 2000+ ¥65.08 (¥71.59) 10000+ ¥64.30 (¥70.73) 20000+ ¥63.52 (¥69.87) More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	3.85nH	1.6A	AL Series	2%	0.006ohm	7.5GHz	2.21mm	1.42mm	1.37mm

GA3093-ALC	2287435 Data Sheet + RoHS	Air Core Inductor, High Current, 6.6 nH, 7 A, GA309x Series, ± 5%, 0.002 ohm, 5.8 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥357.39 (¥393.13) 10+ ¥336.08 (¥369.69) 25+ ¥314.76 (¥346.24) 50+ ¥293.44 (¥322.78) 100+ ¥272.12 (¥299.33) 250+ ¥250.80 (¥275.88) 1250+ ¥163.02 (¥179.32) 2500+ ¥159.76 (¥175.74) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	6.6nH	7A	GA309x Series	5%	0.002ohm	5.8GHz	4.45mm	5.84mm	4.95mm

B09TGLC	2287182 Data Sheet + RoHS	Air Core Inductor, 35.5 nH, 4 A, Mini Spring BxxT Series, ± 2%, 0.0068 ohm, 1.5 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥410.69 (¥451.76) 10+ ¥369.00 (¥405.90) 50+ ¥327.30 (¥360.03) 100+ ¥285.61 (¥314.17) 200+ ¥243.91 (¥268.30) 500+ ¥202.21 (¥222.43) 2500+ ¥188.10 (¥206.91) 5000+ ¥184.34 (¥202.77) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	35.5nH	4A	Mini Spring BxxT Series	2%	0.0068ohm	1.5GHz	6.86mm	2.79mm	3.15mm

2222SQ-131GEC	2287142 Data Sheet + RoHS	Air Core Inductor, Square, 130 nH, 5.4 A, 2222SQ Series, ± 2%, 0.0075 ohm, 1 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥374.63 (¥412.09) 10+ ¥328.65 (¥361.52) 25+ ¥312.17 (¥343.39) 50+ ¥294.15 (¥323.57) 100+ ¥276.13 (¥303.74) 250+ ¥258.11 (¥283.92) 1250+ ¥236.76 (¥260.44) 2500+ ¥230.99 (¥254.09) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	130nH	5.4A	2222SQ Series	2%	0.0075ohm	1GHz	6.73mm	5.59mm	5.69mm

A04TGLC	2287172 Data Sheet + RoHS	Air Core Inductor, 12.5 nH, 4 A, Mini Spring AxxT Series, ± 2%, 0.0034 ohm, 3.3 GHz COILCRAFT You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape	1+ ¥410.69 (¥451.76) 10+ ¥402.48 (¥442.73) 50+ ¥394.27 (¥433.70) 100+ ¥386.05 (¥424.66) 200+ ¥377.84 (¥415.62)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	12.5nH	4A	Mini Spring AxxT Series	2%	0.0034ohm	3.3GHz	3.94mm	2.79mm	3.15mm