High Current RF Chokes
Sp e cia l Fe a tu re s
1120 Series
L (uH)
20%
DCR
(Ω)
Dim.
C
Dim.
D
Very high current capacity
Low DCR
•
•
•
•
•
•
•
•
Part
Idc
(A)
Number
@
1KHzMax.
Approx
Nom.
1120-1R0M
1120-1R2M
1120-1R5M
1120-1R8M
1120-2R2M
1120-2R7M
1120-3R3M
1120-3R9M
1120-4R7M
1120-5R6M
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
0.003
0.003
0.003
0.003
0.004
11.4
11.4
11.4
11.4
11.4
0.63
0.63
0.63
0.63
0.63
0.072
0.072
0.072
0.072
0.072
Epoxy coated ferrite bobbin core
VW -1 rated shrink tubing to cover winding
Self-leaded
Fixed lead spacing
0.005
0.005
0.005
0.005
0.006
11.4
11.4
11.4
11.4
11.4
0.63
0.63
0.63
0.63
0.63
0.064
0.064
0.064
0.064
0.064
Center hole for mechanical mounting
Dielectric withstanding voltage:
2500VRMS terminal to shrink tube cover;
1000VRMS terminal to core
1120-6R8M
1120-8R2M
6.8
8.2
0.007
0.007
11.4
11.4
0.63
0.63
0.064
0.064
Operating temperature -55 to +105°C
•
•
10%
Rated current to cause 50°C max. temper-
ature rise and 5% max. inductance drop
1120-100K
1120-120K
1120-150K
1120-180K
1120-220K
10
12
15
18
22
0.009
0.009
0.013
0.018
0.019
11.4
11.4
9
7.2
7.2
0.63
0.63
0.63
0.63
0.63
0.064
0.057
0.057
0.051
0.051
.81
max.
1120-270K
1120-330K
1120-390K
1120-470K
1120-560K
27
33
39
47
56
0.026
0.029
0.030
0.035
0.039
5.5
5.5
5.5
5.5
5.5
0.63
0.60
0.60
0.62
0.62
0.051
0.045
0.045
0.045
0.040
.84
1120-680K
1120-820K
1120-101K
1120-121K
1120-151K
1120-181K
1120-221K
1120-271K
1120-331K
1120-391K
68
82
100
120
150
180
220
270
330
390
0.053
0.060
0.080
0.090
0.098
0.110
0.150
0.213
0.305
0.320
4.8
4.8
4
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.60
0.60
0.60
0.040
0.040
0.036
0.036
0.032
0.032
0.032
0.029
0.029
0.025
max.
4
4
4
2.8
2
1.6
1.6
0.5
Lead tinned
to within 1/8"
of body
C
1120-471K
1120-561K
1120-681K
1120-821K
1120-102K
470
560
680
820
0.355
0.388
0.430
0.590
0.818
1.6
1.6
1.6
1.3
1
0.60
0.60
0.60
0.60
0.60
0.025
0.025
0.025
0.023
0.020
1000
1120-122K
1120-152K
1120-182K
1120-222K
1200
1500
1800
2200
1.14
1.26
1.39
1.54
0.8
0.8
0.8
0.8
0.60
0.60
0.60
0.60
0.020
0.020
0.018
0.018
D (Dia)
0.18
306 E. Alondra Blvd., Gardena, CA 90247-1059 • (310) 515-1720 • FAX (310) 515-1962
1 1 6
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