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Document 617 -1
Square Air Core Inductors
• Excellent Q factors – up to 130; current ratings up to 4.4 Amps!
• 20 values from 5.5 to 27 nH, at 5% and 2% tolerance
• Flat top and bottom for reliable pick and place and mechanical
stability
Designer’s Kit C424 contains 10 each of all 5% values;
Designer’s Kit C424-2 contains 10 each of all 2% values
Environmental  RoHS compliant, halogen free
Terminations  RoHS compliant tin-silver over copper
Ambient temperature  –40°C to +125°C with Irms current
Maximum part temperature  +145°C (ambient + temp rise).
Storage temperature  Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat  Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Temperature Coefficient of Inductance (TCL)  +5 to +70 ppm/°C
Moisture Sensitivity Level (MSL)  1 (unlimited floor life at <30°C /
85% relative humidity)
Mean Time Between Failures (MTBF)  1 billion hours
Packaging  2000/7reel; 7500/13reel
Plastic tape: 12 mm wide, 0.254 mm thick, 4 mm pocket spacing
Recommended pick and place nozzle: OD: 0.054; ID: 0.031
PCB washing  Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
SRF DCR
Inductance2 % Q4 typ5 max Irms6
Part number1 (nH) tol3 typ (GHz) (mOhm) (A)
0806SQ-5N5_L_ 5.5 5,2 60 4.9 3.4 2.9
0806SQ-6N0_L_ 6.0 5,2 64 5.2 6.0 2.9
0806SQ-8N9_L_ 8.9 5,2 90 4.3 7.0 2.9
0806SQ-12N_L_ 12.3 5,2 90 4.8 8.0 2.9
0806SQ-16N_L_ 15.7 5,2 90 4.4 9.0 2.9
0806SQ-19N_L_ 19.4 5,2 90 4.0 10.0 2.9
0807SQ-6N9_L_ 6.9 5,2 100 4.6 6.0 2.7
0807SQ-10N_L_ 10.2 5,2 100 4.0 7.0 2.7
0807SQ-11N_L_ 11.2 5,2 90 3.6 6.3 2.7
0807SQ-14N_L_ 13.7 5,2 100 4.3 8.0 2.7
0807SQ-17N_L_ 17.0 5,2 100 4.0 9.0 2.7
0807SQ-22N_L_ 22.0 5,2 100 3.5 10.0 2.7
0908SQ-8N1_L_ 8.1 5,2 130 5.2 6.0 4.4
0908SQ-12N_L_ 12.1 5,2 130 4.3 7.0 4.4
0908SQ-14N_L_ 14.7 5,2 90 3.0 7.2 4.4
0908SQ-17N_L_ 16.6 5,2 130 3.4 8.0 4.4
0908SQ-22N_L_ 21.5 5,2 130 3.7 9.0 4.4
0908SQ-23N_L_ 23.0 5,2 120 2.6 10.0 4.4
0908SQ-25N_L_ 25.0 5,2 130 2.5 10.0 4.4
0908SQ-27N_L_ 27.3 5,2 130 3.2 10.0 4.4
1. Please specify tolerance, termination and packaging codes:
0908SQ-27NGLC
Tolerance: G = 2%, J = 5% (Table shows stock tolerances in bold.)
Termination: L = RoHS compliant tin-silver (96.5/3.5) over copper.
Special order, added cost:
T = RoHS tin-silver-copper (95.5/4/0.5) over copper
or S = non-RoHS tin-lead (63/37) over copper.
Packaging: C = 7machine-ready reel. EIA-481 embossed plastic
tape.
B = Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge),
use code letter C instead.
D = 13machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked.
2. Inductance measured at 400 MHz, 0.1 Vrms, 0 A using an Agilent/HP
4287A LCR meter or equivalent with a Coilcraft CCF1166 test fixture
and Coilcraft-provided correlation pieces.
3. Tolerances in bold are stocked for immediate shipment.
4. Q measured at 400 MHz using an Agilent/HP 4291A impedance ana-
lyzer or equivalent.
5. SRF measured using an Agilent/HP 8753 network analyzer and a
Coilcraft SMD-D test fixture.
6. Current that causes a 20°C temperature rise from 25°C ambient. This
information is for reference only and does not represent absolute
maximum ratings.
7. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 617-1  Revised 10/13/15
© Coilcraft Inc. 2016
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.

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Square Air Core Inductors
max
Strip
length
min
B
C
A
D
E
F
Recommended
Land Pattern
Part Weight Tape pocket
number A B C D E F (mg) depth (mm)
0806SQ-5N5 1,346 ±0,102 1,829 ±0,254 1,397 ±0,102 0,962 2,6 0,51 9,9
1,42
0806SQ-6N0 1,295 ±0,102 1,829 ±0,254 1,397 ±0,102 1,02 2,6 0,51 8,5
1,42
0806SQ-8N9 1,626 ±0,152 1,829 ±0,254 1,397 ±0,102 1,32 2,6 0,51 10,8
1,55
0806SQ-12N 1,930 ±0,152 1,829 ±0,254 1,397 ±0,102 1,63 2,6 0,51 13,6
1,52
0806SQ-16N 2,286 ±0,152 1,829 ±0,254 1,397 ±0,102 1,96 2,6 0,51 16,1
1,50
0806SQ-19N 2,591 ±0,152 1,829 ±0,254 1,397 ±0,102 2,29 2,6 0,51 18,7
1,55
0807SQ-6N9 1,295 ±0,102 1,829 ±0,254 1,524 ±0,254 1,02 2,6 0,51 9,1
0807SQ-10N 1,626 ±0,152 1,829 ±0,254 1,524 ±0,254 1,32 2,6 0,51 11,5
0807SQ-11N 1,549 ±0,152 1,829 ±0,254 1,524 ±0,254 1,24 2,6 0,51 11,5
0807SQ-14N 1,930 ±0,152 1,829 ±0,254 1,524 ±0,254 1,63 2,6 0,51 14,0
0807SQ-17N 2,286 ±0,152 1,829 ±0,254 1,524 ±0,254 1,96 2,6 0,51 16,8
0807SQ-22N 2,591 ±0,152 1,829 ±0,254 1,524 ±0,254 2,29 2,6 0,51 19,4
1,60
1,57
1,55
1,60
1,68
1,68
0908SQ-8N1 1,473 ±0,152 2,134 ±0,152 1,829 ±0,203 1,12 2,8 0,64 12,8
0908SQ-12N 1,854 ±0,152 2,134 ±0,152 1,829 ±0,203 1,45 2,8 0,64 16,9
0908SQ-14N 1,549 ±0,152 2,134 ±0,152 1,829 ±0,203 1,24 2,8 0,64 13,5
0908SQ-17N 2,210 ±0,152 2,134 ±0,152 1,829 ±0,203 1,83 2,8 0,64 21,1
0908SQ-22N 2,565 ±0,152 2,134 ±0,152 1,829 ±0,203 2,18 2,8 0,64 24,7
0908SQ-23N 2,235 ±0,152 2,134 ±0,152 1,829 ±0,203 1,90 2,8 0,64 19,2
0908SQ-25N 2,972 ±0,152 2,134 ±0,152 1,829 ±0,203 2,57 2,8 0,64 27,6
0908SQ-27N 2,972 ±0,152 2,134 ±0,152 1,829 ±0,203 2,57 2,8 0,64 28,7
All dimensions are in mm.
2,01
1,96
1,52
2,01
1,98
1,98
2,01
2,01
Document 617-2
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 617-2  Revised 10/13/15
© Coilcraft Inc. 2016
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.

No Preview Available !

Document 617-3
Square Air Core Inductors
Typical Q vs Frequency
400
0806SQ
350
300
250
200
150
100
50
0
1
12.3 nH
19.4 nH
6.0 nH
8.9 nH
15.7 nH
10 100 1000
Frequency (MHz)
10000
Typical L vs Frequency
30
25
20 19.4 nH
15.7 nH
15
12.3 nH
10 8.9 nH
6.0 nH
5
0806SQ
0
1
10
100
1000
10000
Frequency (MHz)
400
0807SQ
350
300
250
200
150
100
50
0
1 10
100 1000
Frequency (MHz)
6.9 nH
10.2 nH
13.7 nH
17.0 nH
22.2 nH
10000
30
25
20
15
10
5
0
1
22.2 nH
17.0 nH
13.7 nH
10.2 nH
6.9 nH
0807SQ
10 100 1000
Frequency (MHz)
10000
0908SQ
0908SQ
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 617-2  Revised 10/13/15
© Coilcraft Inc. 2016
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.