294A Series – SMD AIR WOUND COIL
A. Electrical Specifications:
P/N
294A-09_
294A-10_
294A-11_
294A-12_
294A-13_
294A-14_
294A-15_
294A-16_
294A-17_
294A-18_
294A-19_
294A-20_
Rev. A
Turns
9
10
11
12
13
14
15
16
17
18
19
20
L
(nH)
90
111
130
169
206
222
246
307
380
422
491
538
Tol.
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
Q
Min.
95
87
87
95
95
92
95
95
95
95
95
87
Q
Typ.
114
104
104
114
114
110
114
114
114
114
114
104
Test Freq. DCR Max. SRF Min. I DC Max.
(MHz)
(MHz)
(A)
(mΩ)
50
50
50
50
50
50
50
50
50
50
50
50
15
15
20
25
30
35
35
35
50
60
65
90
1140
1020
900
875
800
730
685
660
590
540
535
490
3.5
3.5
3.0
3.0
3.0
3.0
3.0
3.0
2.5
2.5
2.0
2.0
B. Dimensions: mm (Inch)
Series
294A
Tol.
a
6.35
(0.250)
Max.
b
1.02
(0.040)
±0.39
(0.015)
c
5.9
(0.232)
Max.
d
10.55
(0.415)
Max.
e
7.98
(0.314)
±0.51
(0.02)
f
10
(0.394)
Typ.
g
4.7
(0.185)
Typ.
h
5.95
(0.234)
Typ.
i
2.42
(0.095)
Typ.
j
2.04
(0.080)
Typ.
Foot Print
C. General Information:
1. P/N: 294A-xx_, “294A” = Type, “xx” = Dash number, “_” = Inductance tolerance.
2. Tolerance “_”: J: ± 5%, G: ± 2%
3. Small and lightweight surface mounting type
4. High Q at high frequency
5. High self-resonance frequency
6. Maximum Temperature Rise: 15°C (when measured at 25°C ambient).
7. Inductance & Q measured with HP4291B Impedance Analyzer with HP16193 test fixture
8. SRF measured using the HP8753E Network Analyzer or equivalent.
9. DCR measured using the Chroma 16502 or equivalent
10. Operating temperature: -40°C to +125ºC
11. Storage temp. : -40ºC to +85ºC.
12. Inductance and Current Range: From 90 nH (3500 mA) to 538 nH (2000 mA)
13. SRF: From 490 MHz to 1140 MHz
14. MSL: Level 1.
D. Applications:
1.
2.
3.
4.
5.
6.
Game Consoles
Set Top Boxes
Cables Modems
Computers
Mobile Communication Devices (Cell Phones, Radios, etc.)
RF Filters
Frontier Electronics Corp.
®
http://www.frontierusa.com
Page
1
of
2
667 E. Cochran St., Simi Valley, CA 93065
Phone: 1-805-522-9998, Fax: 1-805-522-9989
294A Series – SMD AIR WOUND COIL
E. Characteristics curve:
Inductance vs. Frequency
1000
900
800
700
Rev. A
Inductance (nH)
294A-20
600
500
400
300
200
100
0
1
10
100
1000
294A-12
294A-16
294A-09
Frequency (MHz)
Q vs. Frequency
140
294A-09
130
120
110
100
294A-20
294A-16
294A-12
Q
90
80
70
60
50
10
100
1000
Frequency (MHz)
Frontier Electronics Corp.
®
http://www.frontierusa.com
Page
2
of
2
667 E. Cochran St., Simi Valley, CA 93065
Phone: 1-805-522-9998, Fax: 1-805-522-9989
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