Document 617 -1
Square Air Core Inductors
• Excellent Q factors – up to 130
• Current handling as high as 4.4 Amps!
Terminations
RoHS compliant tin-silver over copper
Ambient temperature
–40°C to +125°C with
Irms
current,
+125°C to +145°C with derated current
Storage temperature
Component: –55°C to +125°C.
Packaging: –55°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
Only pure water or alcohol recommended
Inductance
2
Part number
1
±5% (nH)
0806SQ-6N0JL_
6.0
0806SQ-8N9JL_
8.9
0806SQ-12NJL_
12.3
0806SQ-16NJL_
15.7
0806SQ-19NJL_
19.4
0807SQ-6N9JL_
6.9
0807SQ-10NJL_
10.2
0807SQ-14NJL_
13.7
0807SQ-17NJL_
17.0
0807SQ-22NJL_
22.0
0908SQ-8N1JL_
8.1
0908SQ-12NJL_
12.1
0908SQ-17NJL_
16.6
0908SQ-22NJL_
21.5
0908SQ-27NJL_
27.0
Q
3
typ
64
90
90
90
90
100
100
100
100
100
130
130
130
130
130
SRF
typ
4
(MHz)
5200
4300
4800
4400
4000
4600
4000
4300
4000
3500
5200
4300
3400
3700
2600
DCR
max
(mOhm)
6.0
7.0
8.0
9.0
10.0
6.0
7.0
8.0
9.0
10.0
6.0
7.0
8.0
9.0
10.0
1. When ordering, please specify
termination
and
packaging
code:
Irms
5
(A)
2.9
2.9
2.9
2.9
2.9
2.7
2.7
2.7
2.7
2.7
4.4
4.4
4.4
4.4
4.4
0908SQ-27NJLC
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
= 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.
2. Inductance measured at 400 MHz, 0.1 Vrms, 0 A using an Agilent/
HP 4287A LCR meter with an Agilent/HP 16193A test fixture.
3. Q measured at 400 MHz using an Agilent/HP 4291A impedance
analyzer.
4. SRF measured using an Agilent/HP 8753 network analyzer and a
Coilcraft SMD-D test fixture.
5. Current that causes a 20°C temperature rise from 25°C ambient.
6. Electrical specifications at 25°C.
See Qualification Standards section for environmental and test data.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
These parts are preproduction products for electrical evaluation
only. Specification subject to change without notice.
Document 617-1
Revised 10/02/07
© Coilcraft, Inc. 2007
Document 617-2
Square Air Coil Inductors
max
A
Current Derating
120
Strip
length
C
min
Percent of rated
I
rms
100
80
60
40
20
0
-40
-20
0
20
40
60
80
100
120
140 160
25°C
B
D
E
Ambient temperature (°C)
F
All dimensions are in mm.
Part number
0806SQ-6N0
0806SQ-8N9
0806SQ-12N
0806SQ-16N
0806SQ-19N
0807SQ-6N9
0807SQ-10N
0807SQ-14N
0807SQ-17N
0807SQ-22N
0908SQ-8N1
0908SQ-12N
0908SQ-17N
0908SQ-22N
0908SQ-27N
A max
1,40
1,75
2,08
2,44
2,72
1,40
1,75
2,11
2,46
2,79
1,65
2,03
2,41
2,79
3,18
B max
2,08
2,08
2,08
2,08
2,08
2,08
2,08
2,08
2,08
2,08
2,29
2,29
2,29
2,29
2,29
C max
1,50
1,50
1,50
1,50
1,50
1,78
1,78
1,78
1,78
1,78
2,03
2,03
2,03
2,03
2,03
D
1,07
1,42
1,75
2,11
2,39
1,07
1,42
1,78
2,13
2,46
1,32
1,70
2,08
2,46
2,84
Recommended
Land Pattern
E
2,6
2,6
2,6
2,6
2,6
2,6
2,6
2,6
2,6
2,6
2,8
2,8
2,8
2,8
2,8
F
0,51
0,51
0,51
0,51
0,51
0,51
0,51
0,51
0,51
0,51
0,64
0,64
0,64
0,64
0,64
These parts are preproduction products for electrical evaluation
only. Specification subject to change without notice.
Document 617-2
Revised 10/02/07
© Coilcraft, Inc. 2007
Document 617-3
Square Air Coil Inductors
Q vs Frequency
300
275
250
225
L vs Frequency
30
0806SQ
25
19.4 nH
15.7 nH
0806SQ
Inductance (nH)
200
20
Q Factor
175
150
125
100
75
50
25
0
1
10
100
1000
10000
19.4 nH
15.7 nH
12.3 nH
6.0 nH
8.9 nH
15
12.3 nH
10
8.9 nH
6.0 nH
5
0
1
10
100
1000
10000
Frequency (MHz)
300
275
250
225
200
30
Frequency (MHz)
0807SQ
10.2 nH
17.0 nH
22.2 nH
13.7 nH
6.0 nH
0807SQ
25
22.2 nH
Inductance (nH)
20
17.0 nH
13.7 nH
10.2 nH
Q Factor
175
150
125
100
75
50
25
0
1
10
100
1000
10000
15
10
6.0 nH
5
0
1
10
100
1000
10000
Frequency (MHz)
300
275
250
225
30
Frequency (MHz)
0908SQ
21.5 nH
12.1 nH
8.1 nH
16.6 nH
27.0 nH
0908SQ
25
21.5 nH
Inductance (nH)
200
20
16.6 nH
Q Factor
175
150
125
100
75
50
25
0
1
10
100
1000
10000
27.0 nH
15
12.1 nH
10
8.1 nH
5
0
1
10
100
1000
10000
Frequency (MHz)
Frequency (MHz)
These parts are preproduction products for electrical evaluation
only. Specification subject to change without notice.
Document 617-3
Revised 10/02/07
© Coilcraft, Inc. 2007
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