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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.
Part
number
1
Inductance
2
(nH)
47
68
82
90
110
130
160
180
220
270
300
330
360
390
430
500
Percent
tolerance
3
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
Q
4
typ
230
230
230
140
140
140
140
140
140
140
150
180
180
180
180
180
Test
frequency
(MHz)
400
400
400
50
50
50
50
50
50
50
50
50
50
50
50
50
SRF min
5
(GHz)
1.87
2.13
1.79
1.15
1.00
1.00
1.00
1.10
1.00
0.800
0.720
0.660
0.620
0.590
0.550
0.500
DCR max
(mOhm)
6.35
8.60
9.40
5.50
6.50
7.50
8.25
9.50
11.0
12.5
13.8
12.5
13.5
14.5
15.5
16.5
Irms
6
(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
1515SQ-47N_E_
1515SQ-68N_E_
1515SQ-82N_E_
2222SQ-90N_E_
2222SQ-111_E_
2222SQ-131_E_
2222SQ-161_E_
2222SQ-181_E_
2222SQ-221_E_
2222SQ-271_E_
2222SQ-301_E_
2929SQ-331_E_
2929SQ-361_E_
2929SQ-391_E_
2929SQ-431_E_
2929SQ-501_E_
1. When ordering, specify
tolerance, termination
and
packaging
codes:
1515SQ-82NJEC
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.
Tolerance:
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.
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 720-1
Revised 10/12/15
© Coilcraft Inc. 2017
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.
Document 720-2
Square Air Core Inductors – 1515SQ, 2222SQ, 2929SQ
A
max
Part
number
1515SQ-47N
1515SQ-68N
Strip
length
min
B
C
1515SQ-82N
2222SQ-90N
D
A
0.160±0.010
4,06 ±0,254
0.210 ±0.010
5,33 ±0,254
0.230 ±0.010
5,84 ±0,254
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
0.405 ±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
inches
.
mm
B
0.140 ±0.007
3,56 ±0,178
0.140 ±0.007
3,56 ±0,178
0.140 ±0.007
3,56 ±0,178
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
0.295 ±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
0.295 ±0.010
7,49 ±0,254
C
0.147 ±0.007
3,73 ±0,178
0.147 ±0.007
3,73 ±0,178
0.147 ±0.007
3,73 ±0,178
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
0.285 ±0.010
7,24 ±0,254
0.285 ±0.010
7,24 ±0,254
0.285 ±0.010
7,24 ±0,254
0.285 ±0.010
7,24 ±0,254
0.285 ±0.010
7,24 ±0,254
D
0.140
3,56
0.190
4,83
0.210
5,33
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
0.375
9,53
0.415
10,541
0.455
11,56
0.490
12,45
0.520
13,21
E
0.175
4,45
0.175
4,45
0.175
4,45
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
0.325
8,26
0.325
8,26
0.325
8,26
0.325
8,26
0.325
8,26
F
0.070
1,78
0.070
1,78
0.070
1,78
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
0.09
2,29
0.09
2,29
0.09
2,29
0.09
2,29
0.09
2,29
Weight
(mg)
110
145
165
280
330
371
425
460
550
640
650
855
928
990
1072
1160
2222SQ-111
2222SQ-131
2222SQ-161
2222SQ-181
E
2222SQ-221
2222SQ-271
2222SQ-301
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
2929SQ-331
2929SQ-361
2929SQ-391
2929SQ-431
2929SQ-501
All dimensions are in
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.
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 720-2
Revised 10/12/15
© Coilcraft Inc. 2017
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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