Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998
FAX: (805) 522-9989
E-mail: frontiersales@frontierusa.com
Web:
http://www.frontierusa.com
SMD Air Wound Coils—
292A & 292B series
A. Electrical specifications:
Part No.
292A-02
292A-03
292A-04
292A-05
292B-06
292B-07
292B-08
292B-09
292B-10
Turns
2
3
4
5
6
7
8
9
10
L (nH) Tolerance Q (Min.) Test Freq.
1.65
2.55
3.85
5.45
5.60
7.15
8.80
9.85
12.55
K
K, J
J, G
J, G
J, G
J, G
J, G
J, G
J, G
100
100
100
100
100
100
100
100
100
800 MHz
800 MHz
800 MHz
800 MHz
800 MHz
800 MHz
800 MHz
800 MHz
800 MHz
DCR max.
(mΩ)
4.0
5.0
6.0
8.0
9.0
10.0
12.0
13.0
14.0
SRF min.
(GHz)
10.0
8.2
7.5
7.0
6.5
6.0
6.0
5.2
4.6
I DC
(A max.)
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
B. Mechanical dimensions: (Unit: mm)
Series No.
292A
292B
a
1.42 ± 0.13
1.42 ± 0.13
b
0.89 ± 0.25
0.89 ± 0.25
c
1.37 ± 0.15
1.37 ± 0.15
d
2.2 ± 0.25
4.04 ± 0.30
e
1.83 ± 0.25
3.66 ± .30
Mechanical dimension
C. Land Pattern: (Unit: mm)
Series No.
292A
292B
Land Pattern
c
1.04
2.87
a
2.62
4.45
b
2.46
2.46
d
1.02
1.02
E
0.79
0.79
D. Notes:
1. Tolerance:
a. 292A-02: K = ± 10 % only.
b. 292A-03: J = ± 5 % or K = ± 10 %.
c. 292A-04 / 292A-05 and 292B-06 through 292B-10: J = ± 5 % or G = ± 2 %.
2. Inductance & Q measured on the HP4291B with HP16193 test fixture.
3. SRF measured on the HP8720D or HP8753E.
4. Operating temp. : -40ºC TO +125ºC.
5. For Temperature Rise: 15ºC.
6. Inductance Range: (@ 25ºC.)
292A & 292B: From 1.65nH to 12.55nH.
7. Equivalent to Coilcraft’s “Micro Spring” Air Core Inductor.
8.
RoHS
compliant.
SMD Air Coil: P/N 292A & 292B Series
Rev. B
Feb. 01, 2007. Page: 1 of 2
Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998
FAX: (805) 522-9989
E-mail: frontiersales@frontierusa.com
Web:
http://www.frontierusa.com
SMD Air Wound Coils—
292A & 292B series
E. Characteristic curve:
1. L vs. Frequency:
8
18
15
Inductance (nH)
292A-05
4
Inductance (nH)
6
292B-10
12
9
6
3
0
292B-09
292B-08
292B-07
292B-06
292A-04
292A-03
292A-02
2
0
1
10
100
1000
10000
10
100
1000
10000
Frequency (MHz)
Frequency (MHz)
292A Series
292B Series
2.
200
Typical Q vs. Frequency:
150
03
150
02
04
05
10
09
08
07
100
06
Q
100
Q
50
50
0
10
100
1000
10000
0
Frequency (MHz)
10
100
1000
10000
F u cy(M z)
req en H
292A Series
292B Series
SMD Air Coil: P/N 292A & 292B Series
Rev. B
Feb. 01, 2007. Page: 2 of 2
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