ETC 1120-4R7M

High Current RF Chokes
Special Features
• Very high current capacity
• Low DCR
• Epoxy coated ferrite bobbin core
• VW-1 rated shrink tubing to cover winding
• Self-leaded
• Fixed lead spacing
• Center hole for mechanical mounting
• Dielectric withstanding voltage:
2500VRMS terminal to shrink tube cover;
1000VRMS terminal to core
• Operating temperature -55 to +105°C
• Rated current to cause 50°C max. temperature rise and 5% max. inductance drop
.81
max.
.84
max.
0.5
Lead tinned
to within 1/8"
of body
C
D (Dia)
0.18
1120 Series
Part
Number
1120-1R0M
1120-1R2M
1120-1R5M
1120-1R8M
1120-2R2M
1120-2R7M
1120-3R3M
1120-3R9M
1120-4R7M
1120-5R6M
1120-6R8M
1120-8R2M
L (uH)
± 20%
@ 1KHz
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
DCR
(Ω)
Max.
0.003
0.003
0.003
0.003
0.004
0.005
0.005
0.005
0.005
0.006
0.007
0.007
Idc
(A)
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
Dim.
C
Approx
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
Dim.
D
Nom.
0.072
0.072
0.072
0.072
0.072
0.064
0.064
0.064
0.064
0.064
0.064
0.064
1120-100K
1120-120K
1120-150K
1120-180K
1120-220K
1120-270K
1120-330K
1120-390K
1120-470K
1120-560K
1120-680K
1120-820K
1120-101K
1120-121K
1120-151K
1120-181K
1120-221K
1120-271K
1120-331K
1120-391K
1120-471K
1120-561K
1120-681K
1120-821K
1120-102K
1120-122K
1120-152K
1120-182K
1120-222K
± 10%
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
0.009
0.009
0.013
0.018
0.019
0.026
0.029
0.030
0.035
0.039
0.053
0.060
0.080
0.090
0.098
0.110
0.150
0.213
0.305
0.320
0.355
0.388
0.430
0.590
0.818
1.14
1.26
1.39
1.54
11.4
11.4
9
7.2
7.2
5.5
5.5
5.5
5.5
5.5
4.8
4.8
4
4
4
4
2.8
2
1.6
1.6
1.6
1.6
1.6
1.3
1
0.8
0.8
0.8
0.8
0.63
0.63
0.63
0.63
0.63
0.63
0.60
0.60
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.62
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.064
0.057
0.057
0.051
0.051
0.051
0.045
0.045
0.045
0.040
0.040
0.040
0.036
0.036
0.032
0.032
0.032
0.029
0.029
0.025
0.025
0.025
0.025
0.023
0.020
0.020
0.020
0.018
0.018
306 E. Alondra Blvd., Gardena, CA 90247-1059 • (310) 515-1720 • FAX (310) 515-1962
116
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