1120 Series

INDUCTIVE COMPONENTS
May, 2016
Changes to Bourns® Model 1120 Series High Current Chokes
Bourns is announcing the following changes to the Model 1120 Series High Current Chokes.
1) Manufacturing Location: Production is being transferred from Guangdong, China to Xiamen, China to help
streamline the manufacturing process.
2) Materials: The magnet wire size and insulation thermal class will be modified. Other materials will be
adjusted accordingly, as well. For your convenience, Table 1 and 2 list these changes.
3) Product Specifications: The inductor mounting hole diameter will be enlarged. The marking method is
changing from an ink marking to a laser marking. For your convenience, Table 1 lists the changes.
4) MOQ/Mult: The Minimum Order Quantity (MOQ) / Multiples quantity (Mult) will be affected.
For your convenience, Table 2 lists these changes.
The form, fit and function of the Model 1120 Series are minimally impacted due to the change in marking
method/appearance, the change of magnet wire, and the mounting hole diameter.
Implementation dates are as follows:
Date that manufacturing of existing products will cease: November 16, 2016
Date that deliveries of modified products will begin: November 17, 2016
First date code using the above changes: 1647
Product samples are available.
0.81
0.81
Max.
Max.
If you have any questions or need additional information, please feel free to
contact Customer Service/
Inside Sales.
Table 1
Model
Magnet Wire
Current
Revised
Current
Marking
0.84
Max.
0.5
Revised
0.84
Max.
0.5
LeadHole
tinned Diameter
Mounting
& Note
to within 1/8"
of body
Current
Revised
C
Ink Marked
1120
Series
Polyurethane,
130 °C rated
Polyester,
155 °C rated
Lead tinned
to within 1/8"
of body
C
Laser Marked
D (Dia)
0.142 ± 0.020
Note: Major diameter of #4 screw = 0.112 ”
Dimensions: Inches
Users should verify that the described changes will not impact the performance of the product in their specific applications.
D (Dia)
0.157 ± 0.018
Note: Major diameter of #6 screw = 0.138 ”
Dimensions: Inches
IC1639
Changes to Bourns® Model 1120 Series High Current Chokes
May, 2016
Page 2 of 2
Table 2
Part Number
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
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
Wire Diameter
Dimension D,
(in Inches, Nominal)
Current
Revised
0.072
0.071
0.072
0.071
0.072
0.071
0.072
0.071
0.072
0.071
0.064
0.063
0.064
0.063
0.064
0.063
0.064
0.063
0.064
0.063
0.064
0.063
0.064
0.063
0.064
0.063
0.057
0.055
0.057
0.055
0.051
0.047
0.051
0.047
0.051
0.043
0.045
0.039
0.045
0.039
0.045
0.039
0.04
0.039
0.04
0.039
0.04
0.037
0.036
0.035
0.036
0.035
0.032
0.032
0.032
0.032
0.032
0.030
0.029
0.028
0.029
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.023
0.02
0.02
0.02
0.018
0.018
0.025
0.022
0.020
0.018
0.018
0.016
0.016
MOQ / Mult
Current
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
Revised
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
264 / 88
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
206 / 206
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