P.O. Box 14460 St. Louis, MO 63178-4460 114 Old State Road Ellisville, MO 63021 Phone: (636) 527-1270 Date: April 19, 2012 To: Cooper Bussmann Coiltronics Customers Subject: Product Change Notice (PCN) MPI4040 Series of Miniature Power Inductors Dear Valued Customer: Effective April 23, 2012, Cooper Bussmann revised and expanded the MPI4040 Series of Miniature Power Inductors. Revisions cover*: 1. Improved Isat and Irms electrical characteristics 2. Changed DCR and OCL tolerance from ±15% to ±20% 3. Changed part marking designations Expansion covers**: 1. Addition of 2.0mm height part numbers For technical information on the MPI4040 Series, see Data Sheet # 4086 at www.cooperbussmann.com/DatasheetsElx Cooper Bussmann is committed to providing all customers with high quality products and services. If further information is required regarding this Product Change Notice, please contact your Cooper Bussmann representative. We thank you for your continued support of Cooper Bussmann and the Coiltronics brand of magnetics. Regards, Jenny Li Product Manager - Coiltronics Magnetics Cooper Electronic Technologies Phone (561) 998-4109 Fax (561) 241-6640 Jenny.Li@cooperindustries.com * See Table 1 for Irms, Isat, DCR and OCL changes, See Table 2 for part number marking changes. ** See Table 1 for part for additional part numbers. Table #1 PN MPI4040R1‐R10‐R MPI4040R1‐R15‐R MPI4040R1‐R22‐R MPI4040R1‐R33‐R MPI4040R1‐R47‐R MPI4040R1‐R68‐R MPI4040R1‐1R0‐R MPI4040R1‐1R5‐R MPI4040R1‐2R2‐R MPI4040R1‐3R3‐R MPI4040R1‐4R7‐R MPI4040R1‐6R8‐R MPI4040R1‐100‐R MPI4040R2‐R47‐R MPI4040R2‐1R0‐R MPI4040R2‐1R5‐R MPI4040R2‐2R2‐R MPI4040R2‐3R3‐R MPI4040R2‐4R7‐R MPI4040R2‐6R8‐R MPI4040R2‐100‐R MPI4040R3‐R22‐R MPI4040R3‐R47‐R MPI4040R3‐1R2‐R MPI4040R3‐1R5‐R MPI4040R3‐2R2‐R MPI4040R3‐3R3‐R MPI4040R3‐4R7‐R MPI4040R3‐6R8‐R MPI4040R3‐100‐R MPI4040R3‐150‐R MPI4040R3‐220‐R MPI4040R4‐R22‐R MPI4040R4‐R33‐R MPI4040R4‐R47‐R MPI4040R4‐1R0‐R MPI4040R4‐1R5‐R MPI4040R4‐2R2‐R MPI4040R4‐3R3‐R MPI4040R4‐4R7‐R MPI4040R4‐6R8‐R MPI4040R4‐100‐R MPI4040R4‐220‐R OCL uH±15% 0.09 0.15 0.23 0.33 0.47 0.68 0.47 1.0 1.5 2.2 3.3 4.5 0.22 0.47 1.2 1.5 2.2 3.3 4.7 6.8 10 15 22 New, 2.0mm high part numbers. Previous Values ISAT (A) IRMS (A) 32 7.4 26 6.5 21 5.1 17 4.08 11 3.75 9 3.1 13.0 4.3 2.25 3.8 1.80 2.75 1.50 2.3 1.25 1.96 1.10 1.6 20.0 8.0 17.0 5.8 9.4 3.8 8.2 4.0 7.9 3.4 6.6 3.0 4.8 2.3 4.5 2.0 3.8 1.5 3.0 1.3 2.2 1.1 DCR @ 20˚C (mΩ)±15% 8.5 11 18 28 35 51 28 38 60 82 113 175 6.4 10.3 32 36 48 60 92 120 213 285 408 OCL uH±20% 0.09 0.15 0.23 0.33 0.47 0.68 1 .0 1.5 2.2 3.3 4.7 6.8 10 0.47 1.0 1.5 2.2 3.3 4.7 6.8 10 0.22 0.47 1.2 1.5 2.2 3.3 4.7 6.8 10 15 22 0.22 0.33 0.45 1.0 1.5 2.2 3.3 4.7 6.8 10.0 22.0 Revised Values ISAT (A) IRMS (A) 32.0 26.0 21.0 17.0 11.5 9 7.7 6.5 5.9 5.1 3.8 3.2 2.8 12.2 8.9 7.6 5.7 5.4 4.3 3.4 3.1 20.0 17.0 9.4 8.2 7.9 6.6 4.8 4.5 3.8 3.0 2.2 15.0 12.8 11.5 8.2 6.9 5.7 4.5 3.9 3.2 2.6 1.8 8.0 7.0 5.5 4.4 5.2 3.3 3.7 3.0 2.6 2.2 1.8 1.5 1.2 6.4 4.6 3.8 3.2 2.6 2.2 1.8 1.5 8.0 5.8 4.0 3.8 3.4 3.0 2.3 2.0 1.5 1.3 1.1 10.1 9.5 8.1 5.7 4.9 3.9 3.3 2.9 2.4 1.9 1.3 DCR @ 20˚C (mΩ)±20% 8.5 11 18 28 20 51 40 60 80 115 180 250 370 13 25 37 58 76 105 158 240 5.8 10.3 32 36 48 60 92 120 213 285 408 5.3 6 8.2 17 23 35 49 67 91 148 316 Table #2 Marketing Change Comparison Table Part Number MPI4040R1‐R10‐R MPI4040R1‐R15‐R MPI4040R1‐R22‐R MPI4040R1‐R33‐R MPI4040R1‐R47‐R MPI4040R1‐R68‐R MPI4040R1‐1R0‐R MPI4040R1‐1R5‐R MPI4040R1‐2R2‐R MPI4040R1‐3R3‐R MPI4040R1‐4R7‐R MPI4040R1‐6R8‐R MPI4040R1‐100‐R MPI4040R2‐R47‐R MPI4040R2‐1R0‐R MPI4040R2‐1R5‐R MPI4040R2‐2R2‐R MPI4040R2‐3R3‐R MPI4040R2‐4R7‐R MPI4040R2‐6R8‐R MPI4040R2‐100‐R MPI4040R3‐R22‐R MPI4040R3‐R47‐R MPI4040R3‐1R2‐R MPI4040R3‐1R5‐R MPI4040R3‐2R2‐R MPI4040R3‐3R3‐R MPI4040R3‐4R7‐R MPI4040R3‐6R8‐R MPI4040R3‐100‐R MPI4040R3‐150‐R MPI4040R3‐220‐R MPI4040R4‐R22‐R MPI4040R4‐R33‐R MPI4040R4‐R47‐R MPI4040R4‐1R0‐R MPI4040R4‐1R5‐R MPI4040R4‐2R2‐R MPI4040R4‐3R3‐R MPI4040R4‐4R7‐R MPI4040R4‐6R8‐R MPI4040R4‐100‐R MPI4040R4‐220‐R Previous Markings Old Marking Example: W ‐ Inductance Value X ‐ Bi‐Weekly Date Code Y ‐ Last Digit of Year Manufactured Z – Engineering Revision Level D ‐ Inductance Value A B C D E F G H I J K L M N O P Q R S T U V W Revised Markings New Marking Example: X ‐ Part Height A ‐ Inductance Value B ‐ Bi‐Weekly Date Code C ‐ Last Digit of Year Manufactured D ‐ Engineering Revision Level H ‐ Part Height D ‐ Inductance Value 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 A B C D E F G H I J K L M A B C D E F G H A B C D E F G H I J K A B C D E F G H I J K