High Current Chokes
1120 Series
DCR
Ω
Special Features
L (µH)
Dim.
C
Dim.
D
• Very high current capacity
• Low DCR
Part
Number
± ±2 ꢀ
@ 1 KHz
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
I, dc*
(A)
Max.
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
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
1120-1R0M-RC
1120-1R2M-RC
1120-1R5M-RC
1120-1R8M-RC
1120-2R2M-RC
1120-2R7M-RC
1120-3R3M-RC
1120-3R9M-RC
1120-4R7M-RC
1120-5R6M-RC
1120-6R8M-RC
1120-8R2M-RC
0.003
0.003
0.003
0.003
0.004
0.005
0.005
0.005
0.005
0.006
0.007
0.007
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
• 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:
2500 Vrms terminal to shrink tube cover;
1000 Vrms terminal to core
• Operating temperature -55 to +105 °C
8.2
Notes
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
1120-100K-RC
1120-120K-RC
1120-150K-RC
1120-180K-RC
1120-220K-RC
1120-270K-RC
1120-330K-RC
1120-390K-RC
1120-470K-RC
1120-560K-RC
1120-680K-RC
1120-820K-RC
1120-101K-RC
1120-121K-RC
1120-151K-RC
1120-181K-RC
1120-221K-RC
1120-271K-RC
1120-331K-RC
1120-391K-RC
1120-471K-RC
1120-561K-RC
1120-681K-RC
1120-821K-RC
1120-102K-RC
1120-122K-RC
1120-152K-RC
1120-182K-RC
1120-222K-RC
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
11.4
11.4
9
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
* Rated current to cause 50 °C max. temperature
rise and 5 % max. inductance drop
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
† RoHS Directive 2002/95/EC Jan 27 2003
including Annex.
0.81
Max.
0.84
Max.
0.5
Lead tinned
to within 1/8"
of body
C
1.26
1.39
1.54
D (Dia)
0.142 0.020
“-RC” suffix indicates RoHS compliance.
Note: Major diameter of #4 screw = 0.112 ”
Dimensions: Inches
Tel. (877) 426-8767 • Fax (951) 781-5006
22.2
REV. 05/08
www.bourns.com