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Document 720 -1
page & buy software & FAQ
1515SQ
2222SQ
Square Air Core Inductors 2929SQ
Excellent Q factors up to 230 at 400 MHz!
Current handling as high as 5.7 Amps
Inductance values from 47 to 500 nH
Flat top and bottom for reliable pick and place and mechanical
stability
Designers Kit C438 contains 10 each of all 5% parts
Terminations RoHS compliant tin-silver over copper
Ambient temperature 40C to +125C with Irms current
Maximum part temperature +145C (ambient + temp rise).
Storage temperature Component: 40C to +145C.
Tape and reel packaging: 40C to +80C
Resistance to soldering heat Max three 40 second reflows at
+260C, 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 <30C /
85% relative humidity)
Mean Time Between Failures (MTBF) 1 billion hours
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Test
2 4 5 6
Inductance Percent Q frequency SRF min DCR max Irms
1 3
Part number (nH) tolerance typ (MHz) (GHz) (mOhm) (A)
1515SQ-47N_E_ 47 5,2 230 400 1.87 6.35 4.9
1515SQ-68N_E_ 68 5,2 230 400 2.13 8.60 5.5
1515SQ-82N_E_ 82 5,2 230 400 1.79 9.40 5.6
2222SQ-90N_E_ 90 5,2 140 50 1.15 5.50 5.0
2222SQ-111_E_ 110 5,2 140 50 1.00 6.50 5.7
2222SQ-131_E_ 130 5,2 140 50 1.00 7.50 5.4
2222SQ-161_E_ 160 5,2 140 50 1.00 8.25 5.7
2222SQ-181_E_ 180 5,2 140 50 1.10 9.50 5.0
2222SQ-221_E_ 220 5,2 140 50 1.00 11.0 5.0
2222SQ-271_E_ 270 5,2 140 50 0.800 12.5 4.3
2222SQ-301_E_ 300 5,2 150 50 0.720 13.8 3.7
2929SQ-331_E_ 330 5,2 180 50 0.660 12.5 4.7
2929SQ-361_E_ 360 5,2 180 50 0.620 13.5 4.5
2929SQ-391_E_ 390 5,2 180 50 0.590 14.5 4.4
2929SQ-431_E_ 430 5,2 180 50 0.550 15.5 4.2
2929SQ-501_E_ 500 5,2 180 50 0.500 16.5 4.3
1. When ordering, specify tolerance, termination and packaging codes: 2. Inductance measured at specified test frequency, 0.1 Vrms, 0 A using
an Agilent/HP 4287A LCR meter with the following Coilcraft test fixtures:
1515SQ-82NJEC
CCF1191C for 1515SQ; CCF1197A for 2222SQ and 2929SQ.
Tolerance: G = 2% J = 5% 3. Tolerances in bold are stocked for immediate shipment.
(Table shows stock tolerances in bold.)
4. Q measured at specified test frequency, using an Agilent/HP 4291A
Termination: E = RoHS compliant tin-silver (96.5/3.5) over copper. impedance analyzer.
Special order, added cost:
5. SRF measured using an Agilent/HP 8753 network analyzer and the
T = RoHS tin-silver-copper (95.5/4/0.5) over copper
following Coilcraft test fixtures: CCF1143 for 1515SQ; CCF1199
or S = non-RoHS tin-lead (63/37) over copper.
for 2222SQ-90N and 2222SQ-161; CCF1200 for 2222SQ-301 and
Packaging: C = 7 machine-ready reel. EIA-481 embossed plastic 2929SQ-501.
tape.
6. Current that causes a 20C temperature rise from 25C ambient. This
information is for reference only and does not represent absolute
B = Less than full reel. In tape, but not machine ready.
maximum ratings.
To have a leader and trailer added ($25 charge),
use code letter C instead.
7. Electrical specifications at 25C.
D = 13 machine-ready reel. EIA-481 embossed plastic
Refer to Doc 362 Soldering Surface Mount Components before soldering.
tape. Factory order only, not stocked.
Document 720-1 Revised 10/12/15
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com Coilcraft Inc. 2017
This product may not be used in medical or high
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
risk applications without prior Coilcraft approval.
China +86-21-6218 8074 sales@coilcraft.com.cn
Specification subject to change without notice.
Singapore + 65-6484 8412 sales@coilcraft.com.sg Please check web site for latest information.Document 720-2
Square Air Core Inductors 1515SQ, 2222SQ, 2929SQ
Part Weight
A
number A B C D E F (mg)
max
1515SQ-47N 0.1600.010 0.140 0.007 0.147 0.007 0.140 0.175 0.070 110
4,06 0,254 3,56 0,178 3,73 0,178 3,56 4,45 1,78
1515SQ-68N 0.210 0.010 0.140 0.007 0.147 0.007 0.190 0.175 0.070 145
Strip
5,33 0,254 3,56 0,178 3,73 0,178 4,83 4,45 1,78
length
C
1515SQ-82N 0.230 0.010 0.140 0.007 0.147 0.007 0.210 0.175 0.070 165
5,84 0,254 3,56 0,178 3,73 0,178 5,33 4,45 1,78
min
2222SQ-90N 0.205 0.015 0.215 0.010 0.224 0.010 0.175 0.255 0.085 280
5,21 0,381 5,46 0,254 5,69 0,254 4,45 6,48 2,16
B
2222SQ-111 0.250 0.015 0.2200.010 0.224 0.010 0.230 0.265 0.085 330
D
6,35 0,381 5,59 0,254 5,69 0,254 5,84 6,73 2,16
2222SQ-131 0.265 0.015 0.220 0.010 0.224 0.010 0.245 0.265 0.085 371
6,73 0,381 5,59 0,254 5,69 0,254 6,22 6,73 2,16
2222SQ-161 0.290 0.015 0.220 0.010 0.224 0.010 0.260 0.265 0.085 425
7,37 0,381 5,59 0,254 5,69 0,254 6,60 6,73 2,16
2222SQ-181 0.320 0.015 0.220 0.010 0.224 0.010 0.290 0.265 0.085 460
8,13 0,381 5,59 0,254 5,69 0,254 7,37 6,73 2,16
E
2222SQ-221 0.390 0.015 0.220 0.010 0.224 0.010 0.360 0.265 0.085 550
9,91 0,381 5,59 0,254 5,69 0,254 9,14 6,73 2,16
2222SQ-271 0.460 0.015 0.220 0.010 0.224 0.010 0.420 0.265 0.085 640
11,68 0,381 5,59 0,254 5,69 0,254 10,67 6,73 2,16
2222SQ-301 0.470 0.015 0.225 0.010 0.224 0.010 0.440 0.265 0.085 650
11,94 0,381 5,72 0,254 5,69 0,254 11,18 6,73 2,16
F
2929SQ-331 0.405 0.015 0.295 0.010 0.285 0.010 0.375 0.325 0.09 855
Recommended 10,29 0,381 7,49 0,254 7,24 0,254 9,53 8,26 2,29
LandPattern 2929SQ-361 0.445 0.015 0.295 0.010 0.285 0.010 0.415 0.325 0.09 928
11,30 0,381 7,49 0,254 7,24 0,254 10,541 8,26 2,29
Packaging:
2929SQ-391 0.485 0.015 0.295 0.010 0.285 0.010 0.455 0.325 0.09 990
1515SQ-47N 500/7reel; 2000/13 reel Plastic tape: 12 mm wide,
12,32 0,381 7,49 0,254 7,24 0,254 11,56 8,26 2,29
0.26 mm thick, 8 mm pocket spacing, 4.06 mm pocket depth
2929SQ-431 0.520 0.015 0.295 0.010 0.285 0.010 0.490 0.325 0.09 1072
13,21 0,381 7,49 0,254 7,24 0,254 12,45 8,26 2,29
1515SQ-68N 500/7reel; 2000/13 reel Plastic tape: 12 mm wide,
0.26 mm thick, 8 mm pocket spacing, 4.06 mm pocket depth 2929SQ-501 0.550 0.015 0.295 0.010 0.285 0.010 0.520 0.325 0.09 1160
14,00 0,381 7,49 0,254 7,24 0,254 13,21 8,26 2,29
1515SQ-82N 500/7reel; 2000/13 reel Plastic tape: 12 mm wide,
0.26 mm thick, 8 mm pocket spacing, 4.06 mm pocket depth
inches
All dimensions are in .
2222SQ-90N 250/7reel; 750/13 reel Plastic tape: 16 mm wide, mm
0.32 mm thick, 12 mm pocket spacing, 5.97 mm pocket depth
2222SQ-111 250/7reel; 750/13 reel Plastic tape: 16 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-131 250/7reel; 750/13 reel Plastic tape: 16 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-161 250/7reel; 750/13 reel Plastic tape: 16 mm wide,
0.33 mm thick, 12 mm pocket spacing, 5.97 mm pocket depth
2222SQ-181 250/7reel; 750/13 reel Plastic tape: 16 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-221 250/7reel; 750/13 reel Plastic tape: 24 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-271 250/7reel; 750/13 reel Plastic tape: 24 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-301 250/7reel; 750/13 reel Plastic tape: 24 mm wide,
0.33 mm thick, 12 mm pocket spacing, 5.97 mm pocket depth
2929SQ-331 150/7reel; 600/13 reel Plastic tape: 24 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.99 mm pocket depth
2929SQ-361 150/7reel; 600/13 reel Plastic tape: 24 mm wide,
0.40 mm thick, 12 mm pocket spacing, 7.75 mm pocket depth
2929SQ-391 150/7reel; 600/13 reel Plastic tape: 24 mm wide,
0.45 mm thick, 12 mm pocket spacing, 7.75 mm pocket depth
2929SQ-431 150/7reel; 600/13 reel Plastic tape: 24 mm wide,
0.45 mm thick, 12 mm pocket spacing, 7.75 mm pocket depth
2929SQ-501 150/7reel; 600/13 reel Plastic tape: 24 mm wide,
0.33 mm thick, 12 mm pocket spacing, 7.49 mm pocket depth
Recommended pick and place nozzles
1515SQ: OD: 0.170 inch; ID: 0.059 inch
2222SQ, 47 200 nH: 3.5 mm 7 mm (rubber). This nozzle is available here.
2222SQ, 270 300 nH: 4.0 mm 12 mm (rubber). This nozzle is available here.
2929SQ: 4.0 mm 12 mm (rubber). This nozzle is available here.
Document 720-2 Revised 10/12/15
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com Coilcraft Inc. 2017
This product may not be used in medical or high
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
risk applications without prior Coilcraft approval.
China +86-21-6218 8074 sales@coilcraft.com.cn
Specification subject to change without notice.
Singapore + 65-6484 8412 sales@coilcraft.com.sg Please check web site for latest information.