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