1140-821K-RC Bourns Inc., 1140-821K-RC Datasheet
1140-821K-RC
Manufacturer Part Number
1140-821K-RC
Description
Ind High Current Choke Bobbin Core 820uH 10% 1KHz Ferrite 7.2A RDL
Manufacturer
Bourns Inc.
Type
High Current Choker
Datasheet
1.1140-271K-RC.pdf
(1 pages)
Specifications of 1140-821K-RC
Inductance
820 uH
Core Material
Ferrite
Lead Style
Radial
Lead Spacing
29.21mm
Product Height
26.16 mm
Tolerance
10 %
Inductance Tolerance
± 10%
Dc Resistance Max
0.154ohm
Dc Current Rating
7.2A
Inductor Case Style
Radial Leaded
No. Of Pins
2
Inductor Type
Choke
Tolerance (+ Or -)
10%
Technology
Bobbin Core
Impedance
Not RequiredOhm
Operating Temp Range
-55C to 105C
Dc Current
7.2A
Test Frequency
1KHz
Dc Resistance
154mOhm
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
Maximum Dc Current
7.2 Amps
Maximum Dc Resistance
0.154 Ohms
Dimensions
1.03 in L
Shielding
Unshielded
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
1140-821K-RC
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
† 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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