1140-180K-RC Bourns Inc., 1140-180K-RC Datasheet
1140-180K-RC
Manufacturer Part Number
1140-180K-RC
Description
HIGH CURRENT CHOKE, 18UH, 27A, 10%
Manufacturer
Bourns Inc.
Type
High-Curr RF Choker
Datasheet
1.1140-271K-RC.pdf
(1 pages)
Specifications of 1140-180K-RC
Inductance
18µH
Lead Spacing
29.21mm
Inductance Tolerance
± 10%
Dc Resistance Max
8000µohm
Dc Current Rating
27A
Inductor Case Style
Radial Leaded
No. Of Pins
2
Inductor Type
Choke
Tolerance (+ Or -)
10%
Technology
Bobbin Core
Core Material
Ferrite
Impedance
Not RequiredOhm
Lead Style
Radial
Operating Temp Range
-55C to 105C
Dc Current
27A
Test Frequency
1KHz
Dc Resistance
8mOhm
Military Standard
Not Required
Failure Rate
Not Required
Product Diameter (mm)
38.1mm
Product Height (mm)
26.16mm
Product Depth (mm)
Not Requiredmm
Product Length (mm)
Not Requiredmm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
† RoHS Directive 2002/95/EC Jan 27 2003
including Annex.
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:
• Operating temperature -55 to +105 °C
Notes
* Rated current to cause 50 °C max. temperature
22.4
2500 Vrms terminal to shrink tube cover;
1000 Vrms terminal to core
rise and 5 % max. inductance drop
Note: Major diameter of #6 screw = 0.138 ”
1.03
Max.
0.5
Dimensions: Inches
Max.
1.5
C
0.177 ± 0.016
0.275 +0.012/-0.020
Lead tinned
to within 1/8"
of body
D (Dia)
Tel. (877) 426-8767 • Fax (951) 781-5006
High Current Chokes
www.bourns.com
“-RC” suffi x indicates RoHS compliance.
Part
Number
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
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
@ 1 KHz
±20 %
± 10 %
10,000
12,000
15,000
L (µH)
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
100
120
150
180
220
270
330
390
470
560
680
820
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
1140 Series
0.002
0.002
0.003
0.003
0.003
0.003
0.004
0.004
0.004
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
Max.
DCR
1.14
1.60
1.76
1.95
2.76
3.04
3.39
Ω
I, dc*
14.4
14.4
14.4
14.4
14.4
14.4
11.4
11.4
11.4
11.4
11.4
(A)
7.2
7.2
7.2
7.2
5.5
5.5
4.5
4.5
2.8
2.8
1.6
1.6
1.3
1.3
1.3
27
27
27
27
27
27
27
27
27
27
27
27
27
21
21
21
21
9
4
4
2
2
Approx.
Dim.
1.11
1.11
1.11
1.11
1.11
1.11
1.11
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
1.15
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
C
Nom.
0.081
0.081
0.081
0.081
0.081
0.081
0.081
0.081
0.081
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
REV. 05/08
Dim.
D
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