T
PL
IA
N
†
Ro
HS
CO
M
High Current Chokes
Special Features
Part
Number
• 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:
2500 Vrms terminal to shrink tube cover;
1000 Vrms terminal to core
• Operating temperature -55 to +105 °C
1140-1R8M-RC
1140-2R2M-RC
1140-2R7M-RC
1140-3R3M-RC
1140-3R9M-RC
1140-4R7M-RC
1140-5R6M-RC
1140-6R8M-RC
1140-8R2M-RC
Notes
* Rated current to cause 50 °C max. temperature
rise and 5 % max. inductance drop
†RoHS Directive 2002/95/EC Jan. 27, 2003 including
annex and RoHS Recast 2011/65/EU June 8, 2011.
1.5
Max.
1.03
Max.
0.5
Lead tinned
to within 1/8"
of body
C
D (Dia)
0.177 ± 0.016
Note: Major diameter of #6 screw = 0.138 ”
Dimensions: Inches
1140-100K-RC
1140-120K-RC
1140-150K-RC
1140-180K-RC
1140-220K-RC
1140-270K-RC
1140-330K-RC
1140-390K-RC
1140-470K-RC
1140-560K-RC
1140-680K-RC
1140-820K-RC
1140-101K-RC
1140-121K-RC
1140-151K-RC
1140-181K-RC
1140-221K-RC
1140-271K-RC
1140-331K-RC
1140-391K-RC
1140-471K-RC
1140-561K-RC
1140-681K-RC
1140-821K-RC
1140-102K-RC
1140-122K-RC
1140-152K-RC
1140-182K-RC
1140-222K-RC
1140-272K-RC
1140-332K-RC
1140-392K-RC
1140-472K-RC
1140-562K-RC
1140-682K-RC
1140-822K-RC
1140-103K-RC
1140-123K-RC
1140-153K-RC
L (μH)
±20 %
@ 1 KHz
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
± 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
2700
3300
3900
4700
5600
6800
8200
10,000
12,000
15,000
1140 Series
DCR
Ω
Irms
Max.
(A)
0.002
0.002
0.003
0.003
0.003
0.003
0.004
0.004
0.004
34.5
34.5
28.1
28.1
28.1
28.1
24.4
24.4
24.4
0.005
0.005
0.006
0.008
0.009
0.010
0.011
0.012
0.018
0.019
0.021
0.023
0.025
0.028
0.040
0.045
0.050
0.056
0.074
0.082
0.114
0.125
0.139
0.154
0.216
0.232
0.324
0.360
0.494
0.555
0.773
0.845
1.14
1.60
1.76
1.95
2.76
3.04
3.39
21.8
21.8
19.9
17.2
16.2
16.0
15.8
15.1
12.3
12.0
11.4
10.9
10.5
9.9
8.3
7.8
7.4
7.0
6.1
5.8
4.9
4.7
4.4
4.2
3.6
3.4
2.9
2.8
2.4
2.2
1.9
1.8
1.6
1.3
1.2
1.2
1.0
0.9
0.9
Isat
(A)
80.0
80.0
80.0
80.0
80.0
80.0
80.0
73.5
70.3
65.3
59.6
53.9
49.2
43.7
39.0
36.5
32.3
30.6
27.6
25.2
23.1
20.6
18.6
16.9
15.5
14.0
12.4
11.2
10.4
9.5
8.6
7.9
7.2
6.5
5.9
5.3
4.9
4.4
3.9
3.6
3.3
3.0
2.8
2.5
2.3
2.1
1.9
1.7
Dim.
C
Approx.
Dim.
D
Nom.
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.15
1.15
0.081
0.081
0.081
0.081
0.081
0.081
0.081
0.081
0.081
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.15
1.14
1.14
1.14
1.10
1.12
1.10
1.10
1.12
1.09
1.12
1.09
1.11
1.08
1.10
0.081
0.081
0.081
0.081
0.081
0.081
0.072
0.072
0.072
0.064
0.064
0.064
0.064
0.057
0.057
0.057
0.051
0.051
0.051
0.045
0.045
0.040
0.040
0.040
0.040
0.036
0.036
0.036
0.032
0.032
0.029
0.029
0.029
0.025
0.025
0.023
0.023
0.020
0.020
“-RC” suffix indicates RoHS compliance.
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22.4
www.bourns.com
REV. 05/14
