Document 107-1
MiniSpring AirCoreInductors
™
These surface mount air core “spring” inductors
provide extremely high Q over a wide frequency
range.
They’re jacketed with a high temperature material
which assures mechanical stability and very close
tolerance. It also forms a flat top, making them
suitable for automatic placement and reflow or
vapor phase processing. Tinned leads assure re-
liable soldering.
Coilcraft Mini Spring™ inductors are available in
standard EIA tape and reel packaging: 12 mm for
size A, and 16 mm for size B parts.
Designer’s Kit C102
contains samples of all 5%
inductance tolerance parts. Kits with 2% tolerance
are also available. To order, contact Coilcraft or
visit http://order.coilcraft.com.
Specifications
Part
Inductance
2
Percent
1
Number Turns
(nH)
Tolerance
3
A01T_
1
2.5
10
A02T_
2
5.0
10,5
A03T_
3
8.0
5,2
A04T_
4
12.5
5,2
A05T_
5
18.5
5,2
B06T_
6
17.5
5,2
B07T_
7
22.0
5,2
B08T_
8
28.0
5,2
B09T_
9
35.5
5,2
B10T_
10
43.0
5,2
A
B
C
E
D
Q
4
Min
145
140
140
137
132
100
102
105
112
106
2
Test
Freq.
(MHz)
150
150
150
150
150
150
150
150
150
150
SRF
5
DCR
6
I
DC7
Min
Max Max
(GHz) (mOhm) (A)
12.5
1.1
4
6.5
1.8
4
5.0
2.6
4
3.3
3.4
4
2.5
3.9
4
2.2
4.5
4
2.1
5.2
4
1.8
6.0
4
1.5
6.8
4
1.2
7.9
4
3
For environmental data see “Spring Inductors—Prod-
uct Specifications” (Document 182).
1. When ordering, please add number to specify
inductance tolerance:
G=2%, J=5%, K=10%.
2. Inductance measured using HP4286 with Coilcraft
SMD-A fixture and correlation.
3. Tolerances in bold are stocked for immediate ship-
ment.
4. Q measured using HP4291A with HP16193A test
fixture.
5. SRF measured using HP8720D with Coilcraft
SMD-D test fixture.
6. DCR tested on the Cambridge Technology Model
510 Micro-ohmmeter.
7. For 15° C temperature rise.
8. Operating temperature
−40°
C to +125° C.
9. Electrical specifications at 25° C.
Typical Land Patterns
SIZE "A"
0.050 [1,270]
0.110 [2,794]
0.130 [3,302]
0.110 [2,794]
0.130 [3,302]
SIZE "B"
0.050 [1,270]
Size
A
B
A
.145
3,68
.270
6,86
B
.120
3,05
.120
3,05
C
.125
3,18
.125
3,18
D
.115
±
.010
2,92
±
0,25
.230
±
.015
5,84
±
0,25
E
.023
±
.015
0,58
±
0,38
.023
±
.015
0,58
±
0,38
Strip Length
135°
Max.
0.065
[1,651]
0.165 [4,191]
0.185
[4,699]
0.285 [7,239]
Parts/reel: 7″ 700; 13″ 2,500
Tape width: 12 mm
Parts/reel: 7″ 500; 13″ 2,200
Tape width: 16 mm
For packaging data see “Tape and Reel Specifications” (Document 173)
0° Min.
Specifications subject to change without notice.
Document 107-1 Revised 9/27/00
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