297A Datasheet, PDF (1/3 Pages) Frontier Electronics. – SMD AIR WOUND COIL SPECIFICATION

297A & 297B Series – SMD AIR WOUND COIL SPECIFICATION Rev. A
High SRF and High-Q Square Surface Mount Air Coils
Inductance: 5.5 ~ 27.0 nH
Current: 4.0 Amps (max)
ELECTRICAL SPECIFICATIONS:
P/N
297A-03_
297A-04_
297A-05_
Turns
3
4
5
L (nH)
5.50
9.00
13.0
Tolerance
J, G
J, G
J, G
297B-07_
297B-08_
297B-09_
297B-10_
7
16.0
J, G
8
18.0
J, G
9
23.0
J, G
10
27.0
J, G
Q (min)
115
120
100
110
110
110
110
Test Freq (MHz) DCR (m) SRF (GHz)
250
2.6
5.0
250
3.4
4.0
250
3.9
3.0
I_RMS(A)
4.0
4.0
4.0
250
5.2
3.0
4.0
250
6.0
2.9
4.0
250
6.8
2.6
4.0
250
7.9
2.3
4.0
DIMENSIONS: mm (inch)
Series
297A
297B
(Tol.)
M1
3.94
(0.155)
6.86
(0.270)
Max.
M2
4.19
(0.165)
4.19
(0.165)
Max.
M3
2.01
(0.079)
2.01
(0.079)
Max.
M4
3.43
(0.135)
3.43
(0.135)
Max.
GENERAL INFORMATION:
P/N: 297A-xx_, “297A” = Series, “xx” = Number of winding turns, “_” = Inductance tolerance (J= ± 5%, G= ± 2%)
P/N: 297B-xx_, “297B” = Series, “xx” = Number of winding turns, “_” = Inductance tolerance (J= ± 5%, G= ± 2%)
Operating temperature: -40C to +125ºC, Storage temp. : -40ºC to +85ºC
Maximum Temperature Rise: 15ºC (measured at 25ºC ambient)
Inductance & Q measured with HP4291B Impedance Analyzer with HP16193
test fixture SRF measured using HP8753E or equivalent
DCR measured using ZENTECH 502A or
equivalent MSL: Level 1
M5
5.84
(0.230)
5.84
(0.230)
± 0.38
(± 0.0150)
Frontier Electronics Corp.^®
http://www.frontierusa.com
Page 1 of 3
667 E. Cochran St., Simi Valley, CA 93065
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