AL12B passive component Series

The AL12B series from AVX Corporation is a lineup of fixed and RF wirewound air core inductors designed for a variety of electronic applications. These components are particularly useful in high-frequency circuits due to their low parasitic capacitance and inductance, making them ideal for RF and microwave applications where maintaining signal integrity is crucial.

If you're working on RF filters, impedance matching networks, or any circuit requiring precise inductance values without the added complexity of magnetic cores, these inductors are a go-to choice. Engineers tend to reach for this when they need to minimize the impact of inductor size on the overall system, as the air core design allows for smaller form factors compared to traditional magnetic core inductors.

One thing worth noting is that these inductors exhibit excellent temperature stability, which is vital in applications where thermal variations could affect performance. Another practical benefit is their low loss characteristics, especially at higher frequencies, which helps maintain efficiency in power amplifiers and other RF stages.

Overall, the AL12B series provides a robust solution for those looking to integrate reliable and efficient inductance into their designs without compromising on size or performance.

Mfr Part #	Quantity Available	Price	Category	Product	Product Category	RoHS	Qmax @ Th	Tolerance	Inductance	Test Frequency	Current Rating (Max)	Frequency - Self Resonant	Resistance - Initial (Ri) (Min)	Width	Packaging	Package / Case	Size / Dimension	Termination Style	Series	Operating Temperature	Rad Hardened	Military Standard	DC Resistance (DCR)	Current - DC Forward (If) (Max)	Height	Diameter	Core Material	Length - Overall	Type	Technology	Failure Rate	Q @ Freq	Other Names	Standard Package	Size	Shielding	Mounting Type	Material - Core	Height - Seated (Max)	Output Configuration
AL12B28N0KTR Fixed Inductors 28nH 10% AIR CORE AVX	10	1: ¥9.18	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	100	10 %	28 nH	800 MHz	1.6 A	10 GHz	6 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
AL12B35N5KTR Fixed Inductors 35.5nH 10% AIR CORE AVX	10	1: ¥9.18	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	112	10 %	35.5 nH	150 MHz	4 A	1.5 GHz	6.8 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
AL12B17N5KTR Fixed Inductors 17.5nH 10% AIR CORE AVX	10	1: ¥9.18	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	145	10 %	17.5 nH	150 MHz	4 A	12.5 GHz	4.5 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
AL12B43N0KTR Fixed Inductors 43nH 10% AIR CORE AVX	10	1: ¥9.18	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	145	10 %	43 nH	150 MHz	4 A	12.5 GHz	7.9 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2 AL12B28N0GTR INDUCTOR AIR CORE 28.0NH 2% 1212 Fixed Inductors 28nH 2% Toroidal Air Core Inductor RF Wirewound 28nH 2% 150MHz 105Q-Factor Air 4A 6mOhm DCR T/R AVX Corporation	10	1000: ¥1.2335	-	Air Core Inductors	Fixed Inductors	Lead free / RoHS Compliant	105 @ 150MHz	±2%	28nH	150MHz	4A	1.8GHz	6 mOhms	3.18 mm	Tape & Reel (TR)	Non Standard	0.270" L x 0.120" W (6.86mm x 3.05mm)	SMD/SMT	AL	-40°C ~ 125°C	No	Not Required	6 mOhm Max	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	Wirewound	Wirewound	Not Required	105 @ 150MHz	478-7177-2	500	0.270" L x 0.120" W (6.86mm x 3.05mm)	Unshielded	Surface Mount	Air	0.125" (3.18mm)	Surface Mount
2 AL12B35N5JTR INDUCTOR AIR CORE 35.5NH 5% 1212 Fixed Inductors 35.5nH 5% AIR CORE Inductor RF Wirewound 35.5nH 5% 150MHz 112Q-Factor Air 4A 6.8mOhm DCR T/R AVX Corporation	10	1000: ¥1.1866	-	Air Core Inductors	Fixed Inductors	Lead free / RoHS Compliant	112	±5%	35.5nH	150MHz	4A	1.5GHz	6.8 mOhms	3.05 mm	Tape & Reel (TR)	Non Standard	0.270" L x 0.120" W (6.86mm x 3.05mm)	SMD/SMT	AL	-40°C ~ 125°C	No	Not Required	6.8 mOhm Max	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	Wirewound	Wirewound	Not Required	112 @ 150MHz	478-7178-2	500	0.270" L x 0.120" W (6.86mm x 3.05mm)	Unshielded	Surface Mount	Air	0.125" (3.18mm)	Surface Mount
AL12B22N0KTR Fixed Inductors 22nH 10% AIR CORE AVX	10	1: ¥9.18	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	145	10 %	22 nH	150 MHz	4 A	12.5 GHz	5.2 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
AL12B28N0JTR Fixed Inductors 28nH 5% AIR CORE Inductor RF Wirewound 28nH 5% 150MHz 105Q-Factor Air 4A 6mOhm DCR T/R AVX	10	1: ¥9.18	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	100	5 %	28 nH	800 MHz	1.6 A	10 GHz	6 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	No	Not Required	0.006 ohm	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	RF	Wirewound	Not Required	-	-	-	-	-	-	-	-	-
AL12B22N0JTR Fixed Inductors 22nH 5% AIR CORE Inductor RF Wirewound 22nH 5% 150MHz 102Q-Factor Air 4A 5.2mOhm DCR T/R AVX	10	1000: ¥1.226	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	145	5 %	22 nH	150 MHz	4 A	12.5 GHz	5.2 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	No	Not Required	0.0052 ohm	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	RF	Wirewound	Not Required	-	-	-	-	-	-	-	-	-
AL12B17N5JTR Fixed Inductors 17.5nH 5% AIR CORE Inductor RF Wirewound 17.5nH 5% 150MHz 100Q-Factor Air 4A 4.5mOhm DCR T/R AVX	10	1: ¥9.18	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	145	5 %	17.5 nH	150 MHz	4 A	12.5 GHz	4.5 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	No	Not Required	0.0045 ohm	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	RF	Wirewound	Not Required	100	-	-	-	-	-	-	-	-
AL12B43N0JTR Fixed Inductors 43nH 5% AIR CORE Inductor RF Wirewound 43nH 5% 150MHz 106Q-Factor Air 4A 7.9mOhm DCR T/R AVX	10	1000: ¥1.226	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	145	5 %	43 nH	150 MHz	4 A	12.5 GHz	7.9 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	No	Not Required	0.0079 ohm	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	RF	Wirewound	Not Required	-	-	-	-	-	-	-	-	-
AL12B35N5GTR Fixed Inductors 35.5nH 2% AIR CORE Inductor RF Wirewound 35.5nH 2% 150MHz 112Q-Factor Air 4A 6.8mOhm DCR T/R AVX	10	1: ¥12.852	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	112	2 %	35.5 nH	150 MHz	4 A	1.5 GHz	6.8 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	No	Not Required	0.0068 ohm	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	RF	Wirewound	Not Required	112	-	-	-	-	-	-	-	-
AL12B17N5GTR Fixed Inductors 17.5nH 2% AIR CORE Inductor RF Wirewound 17.5nH 2% 150MHz 100Q-Factor Air 4A 4.5mOhm DCR T/R AVX	10	1: ¥12.852	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	145	2 %	17.5 nH	150 MHz	4 A	12.5 GHz	4.5 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	No	Not Required	0.0045 ohm	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	RF	Wirewound	Not Required	100	-	-	-	-	-	-	-	-
AL12B43N0GTR Fixed Inductors 43nH 2% AIR CORE Inductor RF Wirewound 43nH 2% 150MHz 106Q-Factor Air 4A 7.9mOhm DCR T/R AVX	10	1: ¥12.852	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	145	2 %	43 nH	150 MHz	4 A	12.5 GHz	7.9 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	No	Not Required	0.0079 ohm	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	RF	Wirewound	Not Required	-	-	-	-	-	-	-	-	-
AL12B22N0GTR Fixed Inductors 22nH 2% AIR CORE Inductor RF Wirewound 22nH 2% 150MHz 102Q-Factor Air 4A 5.2mOhm DCR T/R AVX	10	1: ¥12.852	-	Air Core Inductors	Fixed Inductors	RoHS Compliant	145	2 %	22 nH	150 MHz	4 A	12.5 GHz	5.2 mOhms	3.05 mm	Reel	6.86 mm	3.05 mm W x 6.86 mm L x 3.18 mm H	SMD/SMT	AL	- 40 C to + 125 C	No	Not Required	0.0052 ohm	4000 mA	3.18 mm	Not Required mm	Air	6.86 mm	RF	Wirewound	Not Required	-	-	-	-	-	-	-	-	-

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Frequently Asked Questions

AL12B passive component - Part List

Inductance

DC Resistance (DCR)

Tolerance

Frequency - Self Resonant

Resistance - Initial (Ri) (Min)

Qmax @ Th

Q @ Freq

Test Frequency

Current Rating (Max)

RoHS

Width

Packaging

Package / Case

Size / Dimension

Operating Temperature

Other Names

Type