DR3
Power Line
Chokes
1.10" max
.5"
.840" max
A
TYPICAL APPLICATIONS
Filters
Power Supplies
RFI Supression
Power Amplifiers
Switching Regulators
SCR and Triac Controls
Speaker and Crossover Networks
GENERAL CHARACTERISTICS
DR3 Power Line Chokes are available in Inductancesranging
from 1 to 2700 µh with Saturation Currents ranging from 2.3
to116 amps DC. High saturation materialmakes thesechokes
ideal for applications needing both high-current values and
small size. Supplied in bulk only.
PART
NUMBER
DR3-1R0K
DR3-1R2K
DR3-1R5K
DR3-1R8K
DR3-2R2K
DR3-2R7K
DR3-3R3K
DR3-3R9K
DR3-4R7K
DR3-5R6K
DR3-6R8K
DR3-8R2K
DR3-100K
DR3-120K
DR3-150K
DR3-180K
DR3-220K
DR3-270K
DR3-330K
DR3-390K
DR3-470K
DR3-560K
DR3-680K
DR3-820K
DR3-101K
DR3-121K
DR3-151K
DR3-181K
DR3-221K
DR3-271K
DR3-331K
DR3-391K
DR3-471K
DR3-561K
DR3-681K
DR3-821K
DR3-102K
DR3-122K
DR3-152K
DR3-182K
DR3-222K
DR3-272K
INDUCTANCE
(µH ± 10%)
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
1200.0
1500.0
1800.0
2200.0
2700.0
DC RESISTANCE
OHMS
MAXIMUM (Ω )
.003
.003
.003
.003
.003
.003
.003
.003
.003
.003
.004
.004
.006
.008
.009
.010
.011
.012
.017
.022
.024
.026
.029
.032
.034
.046
.064
.072
.080
.110
.122
.169
.187
.205
.256
.288
.426
.462
.518
.705
1.020
1.140
CURRENT
SATURATING
AMPS DC (1)
116.0
116.0
116.0
90.0
90.0
74.0
74.0
62.0
54.0
54.0
47.0
42.0
38.0
35.0
32.0
29.0
25.0
23.0
20.0
19.0
19.1
17.5
15.6
14.0
13.2
12.1
10.8
9.7
8.7
7.9
7.1
6.7
6.0
5.5
5.0
4.5
4.1
3.7
3.4
2.8
2.5
2.3
WIRE
DIAMETER
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.071
0.071
0.071
0.071
0.067
0.067
0.063
0.063
0.063
0.055
0.055
0.055
0.051
0.047
0.047
0.039
0.039
0.039
0.039
0.035
0.035
0.035
0.031
0.031
0.029
0.026
0.026
0.024
0.024
0.022
DIMENSION (A)
.800
.800
.800
.800
.800
.800
.800
.800
.800
.800
.800
.800
.700
.690
.690
.690
.790
.790
.790
.790
.750
.750
.750
.750
.781
.750
.781
.781
.750
.812
.750
.750
.750
.750
.718
.843
.750
.750
.750
.770
.770
.770