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—294A series
A. Electrical specifications:
Part
No.
DCR
(mΩ)
15
15
20
25
30
35
35
35
50
60
65
Q
(min)
95
87
87
95
95
92
95
95
95
95
95
Q
(Typ)
114
104
104
114
114
110
114
114
114
114
114
104
Test
Freq.
SRF min
(MHz)
1140
1020
900
I DC
(A max.)
3.5
Turns L (nH) Tolerance
294A-09
294A-10
294A-11
294A-12
294A-13
294A-14
294A-15
294A-16
294A-17
294A-18
294A-19
294A-20
9
90
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
J, G
50 MHz
50 MHz
50 MHz
50 MHz
50 MHz
50 MHz
50 MHz
50 MHz
50 MHz
50 MHz
50 MHz
50 MHz
10
11
12
13
14
15
16
17
18
19
20
111
130
169
206
222
246
307
380
422
491
538
3.5
3.0
3.0
3.0
3.0
3.0
3.0
2.5
875
800
730
685
660
590
540
535
2.5
2.0
2.0
87
90
490
B. Mechanical dimensions: (Unit: mm)
Series No.
a
b
c
d
e
294A
6.35(MAX)
1.02±0.39
5.9(MAX)
10.55(MAX)
7.98±0.51
Mechanical dimension
C. Land Pattern: (Unit: mm)
Land Pattern
Series No.
a
10.0
b
4.70
c
5.95
d
2.42
e
2.04
294A
D. Notes:
1. Tolerance: J = ± 5 % or G= ± 2 %.
2. Inductance & Q measured on the HP4291B with HP16193 test fixture.
3. SRF measured on the HP8753E.
4. Operating temp. : -40ºC TO +125ºC.
5. For Temperature Rise: 15ºC.
6. Inductance Range: (@ 25ºC.)
294A: From 90nH to 538nH.
7. Equivalent to Coilcraft’s “Maxi Spring” Air Core Inductor.
8. RoHS compliant.
SMD Air Coil: P/N 294A-series
Rev. A
Jan. 01, 2006. Page: 1 of 2