1515SQ

Document 720 -1
Square Air Core Inductors
1515SQ
2222SQ
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
Designer’s Kit C438 contains 10 each of all 5% parts
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 +145°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
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Test Inductance2
Q4frequency
SRF min5
Percent
DCR max
1
3
Part number (nH)tolerance typ
(MHz) (GHz) (mOhm)
1515SQ-47N_E_47
1515SQ-68N_E_68
1515SQ-82N_E_82
2222SQ-90N_E_90
2222SQ-111_E_110
2222SQ-131_E_130
2222SQ-161_E_160
2222SQ-181_E_180
2222SQ-221_E_220
2222SQ-271_E_270
2222SQ-301_E_300
2929SQ-331_E_330
2929SQ-361_E_360
2929SQ-391_E_390
2929SQ-431_E_430
2929SQ-501_E_500
5,2230
5,2230
5,2230
5,2140
5,2140
5,2140
5,2140
5,2140
5,2140
5,2 140
5,2 150
5,2 180
5,2 180
5,2 180
5,2 180
5,2 180
1. When ordering, specify tolerance, termination and packaging codes:
1515SQ-82NJEC
Tolerance:G=2% J = 5%
(Table shows stock tolerances in bold.)
Termination:E =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
=7″ machine-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
=13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked.
4001.87 6.35
4002.13 8.60
4001.79 9.40
501.15 5.50
501.00 6.50
501.00 7.50
501.00 8.25
501.10 9.50
501.00 11.0
50 0.80012.5
50 0.72013.8
50 0.66012.5
50 0.62013.5
50 0.59014.5
50 0.55015.5
50 0.50016.5
Irms6
(A)
4.9
5.5
5.6
5.0
5.7
5.4
5.7
5.0
5.0
4.3
3.7
4.7
4.5
4.4
4.2
4.3
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:
CCF1191C for 1515SQ; CCF1197A for 2222SQ and 2929SQ.
3. Tolerances in bold are stocked for immediate shipment.
4. Q measured at specified test frequency, using an Agilent/HP 4291A
impedance analyzer.
5. SRF measured using an Agilent/HP 8753 network analyzer and the
following Coilcraft test fixtures: CCF1143 for 1515SQ; CCF1199
for 2222SQ-90N and 2222SQ-161; CCF1200 for 2222SQ-301 and
2929SQ-501.
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.
Document 720-1 Revised 10/12/15
Document 720-2
Square Air Core Inductors – 1515SQ, 2222SQ, 2929SQ
A
max
Strip
length
C
min
B
D
E
F
Recommended
Land Pattern
Packaging:
1515SQ-47N 500/7″reel; 2000/13″ reel Plastic tape: 12 mm wide,
0.26 mm thick, 8 mm pocket spacing, 4.06 mm pocket depth
1515SQ-68N 500/7″reel; 2000/13″ reel Plastic tape: 12 mm wide,
0.26 mm thick, 8 mm pocket spacing, 4.06 mm pocket depth
1515SQ-82N 500/7″reel; 2000/13″ reel Plastic tape: 12 mm wide,
0.26 mm thick, 8 mm pocket spacing, 4.06 mm pocket depth
2222SQ-90N 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide,
0.32 mm thick, 12 mm pocket spacing, 5.97 mm pocket depth
2222SQ-111 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-131 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-161 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide,
0.33 mm thick, 12 mm pocket spacing, 5.97 mm pocket depth
2222SQ-181 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-221 250/7″reel; 750/13″ reel Plastic tape: 24 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-271 250/7″reel; 750/13″ reel Plastic tape: 24 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth
2222SQ-301 250/7″reel; 750/13″ reel Plastic tape: 24 mm wide,
0.33 mm thick, 12 mm pocket spacing, 5.97 mm pocket depth
2929SQ-331 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide,
0.40 mm thick, 12 mm pocket spacing, 6.99 mm pocket depth
2929SQ-361 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide,
0.40 mm thick, 12 mm pocket spacing, 7.75 mm pocket depth
2929SQ-391 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide,
0.45 mm thick, 12 mm pocket spacing, 7.75 mm pocket depth
2929SQ-431 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide,
0.45 mm thick, 12 mm pocket spacing, 7.75 mm pocket depth
2929SQ-501 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide,
0.33 mm thick, 12 mm pocket spacing, 7.49 mm pocket depth
Part Weight
number
A
B
C
D
E
F (mg)
1515SQ-47N 0.160±0.010
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
5,33 ±0,254
3,56 ±0,178
3,73 ±0,178
4,83
4,45 1,78
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
2222SQ-90N
2222SQ-111
2222SQ-131
2222SQ-161
2222SQ-181
2222SQ-221
2222SQ-271
2222SQ-301
0.205 ±0.015
5,21 ±0,381
0.250 ±0.015
6,35 ±0,381
0.265 ±0.015
6,73 ±0,381
0.290 ±0.015
7,37 ±0,381
0.320 ±0.015
8,13 ±0,381
0.390 ±0.015
9,91 ±0,381
0.460 ±0.015
11,68 ±0,381
0.470 ±0.015
11,94 ±0,381
0.215 ±0.010
5,46 ±0,254
0.220±0.010
5,59 ±0,254
0.220 ±0.010
5,59 ±0,254
0.220 ±0.010
5,59 ±0,254
0.220 ±0.010
5,59 ±0,254
0.220 ±0.010
5,59 ±0,254
0.220 ±0.010
5,59 ±0,254
0.225 ±0.010
5,72 ±0,254
0.224 ±0.010
5,69 ±0,254
0.224 ±0.010
5,69 ±0,254
0.224 ±0.010
5,69 ±0,254
0.224 ±0.010
5,69 ±0,254
0.224 ±0.010
5,69 ±0,254
0.224 ±0.010
5,69 ±0,254
0.224 ±0.010
5,69 ±0,254
0.224 ±0.010
5,69 ±0,254
0.255
6,48
0.265
6,73
0.265
6,73
0.265
6,73
0.265
6,73
0.265
6,73
0.265
6,73
0.265
6,73
0.085
2,16
0.085
2,16
0.085
2,16
0.085
2,16
0.085
2,16
0.085
2,16
0.085
2,16
0.085
2,16
2929SQ-331
2929SQ-361
2929SQ-391
2929SQ-431
2929SQ-501
0.405 ±0.015
10,29 ±0,381
0.445 ±0.015
11,30 ±0,381
0.485 ±0.015
12,32 ±0,381
0.520 ±0.015
13,21 ±0,381
0.550 ±0.015
14,00 ±0,381
0.295 ±0.010
7,49 ±0,254
0.295 ±0.010
7,49 ±0,254
0.295 ±0.010
7,49 ±0,254
0.295 ±0.010
7,49 ±0,254
0.290 ±0.010
7,49 ±0,254
0.285 ±0.010 0.375 0.325
7,24 ±0,254
9,53
8,26
0.285 ±0.010 0.415 0.325
7,24 ±0,254 10,541 8,26
0.285 ±0.010 0.455 0.325
7,24 ±0,254 11,56 8,26
0.285 ±0.010 0.490 0.325
7,24 ±0,254 12,45 8,26
0.285 ±0.010 0.520 0.325
7,24 ±0,254 13,21 8,26
0.09
2,29
0.09
2,29
0.09
2,29
0.09
2,29
0.09
2,29
All dimensions are in
0.175
4,45
0.230
5,84
0.245
6,22
0.260
6,60
0.290
7,37
0.360
9,14
0.420
10,67
0.440
11,18
280
330
371
425
460
550
640
650
855
928
990
1072
1160
inches
.
mm
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
Document 720-3
Square Air Core Inductors – 1515SQ, 2222SQ, 2929SQ
Typical L vs Frequency
Typical Q vs Frequency
1000
350
500 nH
47, 68, 82 nH
300
Q Factor
90, 160 nH
200
300 nH
500 nH
150
100
Inductance (nH)
300 nH
250
160 nH
90 nH
82 nH
100
68 nH
47 nH
50
10
0
1
10
100
Frequency (MHz)
1000
1
10
100
1000
Frequency (MHz)
Document 720-2 Revised 10/12/15
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