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132-xxSM Series

Maxi Spring™ Air Core Inductors

Our 132-xxSM Series Maxi Spring™ air core inductors have exceptionaly high Q factors and very tight inductance tolerances, making them suitable for narrowband RF amplifier matching and tuning applications. As their name implies, air core inductors do not use a magnetic core, resulting in high Q and the lowest possible losses for high-frequency applications. High-reliability versions are available for space, military, and other critical applications.

Inductance values from 90 nH to 538 nH
Exceptionally high Q even at low frequencies
Handle up to 3.5 Amps current
Tight tolerance (as low as ±2%) can eliminate circuit tuning
Flat top case for mechanical stability and reliable pick and place operations
Solder coated leads ensure reliable soldering
AEC-Q200 Grade 1 (−40°C to +125°C)

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Part number

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Count	Unit price
1	$0.99
400	$0.81
800	$0.73
1600	$0.64
2400	$0.43
4800	$0.28
10000	$0.26

For high volume or non-stock items, request a quote.

Termination

L = Tin-silver

Packaging

D = 13" machine-ready reel

Tolerance

J = 5%

G = 2%

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Part number

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Designer's Kit:

Kit	Values	Price
C319	12 (8 of each)	$40.00
C319-2	12 (8 of each)	$60.00

Specifications

Electrical specifications at 25°C.

Part number 1	Turns	Inductance (nH) 2	Tolerance (%) 3	Q @ 50.0 MHz		SRF min (MHz) 4	DCR max (mΩ) 5	Irms (A) 6
Part number 1	Turns	Inductance (nH) 2	Tolerance (%) 3	min	typ	SRF min (MHz) 4	DCR max (mΩ) 5	Irms (A) 6
132-09SM_L_	9	90	2,5	95	114	1140	15.0	3.5
132-10SM_L_	10	111	2,5	87	104	1020	15.0	3.5
132-11SM_L_	11	130	2,5	87	104	900	20.0	3.0
132-12SM_L_	12	169	2,5	95	114	875	25.0	3.0
132-13SM_L_	13	206	2,5	95	114	800	30.0	3.0
132-14SM_L_	14	222	2,5	92	110	730	35.0	3.0
132-15SM_L_	15	246	2,5	95	114	685	35.0	3.0
132-16SM_L_	16	307	2,5	95	114	660	35.0	3.0
132-17SM_L_	17	380	2,5	95	114	590	50.0	2.5
132-18SM_L_	18	422	2,5	95	114	540	60.0	2.5
132-19SM_L_	19	491	2,5	95	114	535	65.0	2.0
132-20SM_L_	20	538	2,5	87	104	490	90.0	2.0

Notes

When ordering, please specify tolerance, termination and packaging codes: e.g. 132-20SMJLD
Inductance and Q tested at 50 MHz on an Agilent/HP 4291A with a 16193 fixture and correlation.
Tolerances in bold are stocked for immediate shipment.
SRF tested on the Agilent/HP 8753D and a Coilcraft CCF1248 test fixture.
DCR tested on the Cambridge Technology Model 510 Micro Ohmmeter. For other operating temperatures, use this DCR at Temperature calculator.
Current that causes a 15°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.

Tolerance:

G = 2%, J = 5% (Table above shows stock tolerances in bold.)

Termination:

L = RoHS compliant tin-silver (96.5/3.5) over copper.
T = RoHS tin-silver-copper (95.5/4/0.5) over copper. (Special order, added cost)
S = non-RoHS tin-lead (63/37) over copper. (Special order, added cost)

Packaging:

D = 13″ machine-ready reel. EIA-481 embossed plastic tape (800 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to D.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +125°C with Irms current

Storage temperature range:

Component: –40°C to +140°C.
Tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+140°C (ambient + temp rise)

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Performance curves

L vs Frequency

Q vs Frequency

Physical characteristics

Tape and Reel specification

Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)						Orientation
13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
800	330	100	13	30,4	24,4	24	12	4	2	6,1	0,3

General specification

Weight:

0.42– 0.59 g

Packaging:

800/13″ reel Plastic tape: 24 mm wide, 0.3 mm thick, 12 mm pocket spacing, 6.1 mm pocket depth

Temperature coefficient of inductance:

+5 to +70 ppm/°C

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

132-xxSM Series

Maxi Spring™ Air Core Inductors