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| MODEL HM28 SERIES Buckle Style Core Common-Mode Chokes FEATURES AND BENEFITS * * * * Compact size, large inductance Excellent frequency characteristic Low magnetic flux leakage Complies with UL, VDE safety requirements APPLICATIONS * * * * Switching power supplies Video and audio equipment Office equipment Communications equipment and other electronic devices ELECTRICAL / ENVIRONMENTAL Insulation Resistance, Minimum Voltage Rating Insulation System Temperature Rise, Maximum SCHEMATIC 100 Megohm 250 VAC Class B, 130C 40C 6 (4) L2 (3) (1) Specifications subject to change without notice. L1 (2) 6-69 Model HM28 Series OUTLINE DIMENSIONS (Inch/mm) Figure 1 Figure 2 .87 22.0 .67 17.0 .87 22.0 .87 22.0 .91 23.1 .030.002 0.760.05 Dia. Typ. (3) (2) .510.010 13.00.25 .157 4.0 .390.010 10.00.25 (2) (1) (3) (2) .510.010 13.00.25 .91 23.1 .030.002 0.760.05 Dia. Typ. (2) .157 4.0 .390.010 10.00.25 (1) Figure 3 1.03 26.0 1.03 26.0 Figure 4 1.18 30.0 1.18 30.0 .94 24.0 .98 25.0 (3) .830.010 21.00.25 (2) .157 4.0 .030.002 0.760.05 Dia. Typ. (2) .590.010 15.00.25 (1) (3) .940.010 24.00.25 (2) .157 4.0 .030.002 0.760.05 Dia. Typ. (2) (1) .790.010 20.00.25 6-70 Model HM28 Series OUTLINE DIMENSIONS (Inch/mm) Figure 5 .98 25.0 .75 19.0 Figure 6 1.18 30.0 .87 22.0 1.26 32.0 1.38 35.0 (3) (2) .197 5.0 (2) (1) .030.002 0.760.05 Dia. Typ. .390.010 10.00.25 (3) (2) .197 5.0 (2) (1) .030.002 0.760.06 Dia. Typ. .390.010 10.00.25 .5100.10 13.00.25 .510.010 13.00.25 Figure 7 .142 36.0 1.06 27.0 1.65 42.0 (3) (2) .415 10.5 .830.010 21.00.25 .197 5.0 Reinforcing Pin (Optional) (2) (1) .030.002 0.760.05 Dia. Typ. .590.010 15.00.25 6 6-71 Model HM28 Series SPECIFICATIONS Part Number HM28-20001 HM28-20002 HM28-20003 HM28-20004 HM28-20005 HM28-24006 HM28-24007 HM28-24008 HM28-24009 HM28-24010 HM28-24011 HM28-24012 HM28-24013 HM28-24014 HM28-24015 HM28-24016 HM28-24017 HM28-32018 HM28-32019 HM28-32020 HM28-32021 HM28-32022 HM28-32023 HM28-32024 HM28-25025 Current Rating Amps AC 0.50 0.60 0.70 0.90 1.0 0.50 0.60 0.70 0.90 1.0 0.50 0.60 0.70 0.90 1.0 1.50 2.0 0.50 0.60 0.70 0.90 1.0 1.50 2.0 0.50 Inductance @ 1.0 kHz mH Min. 9 4.5 2.5 1.1 0.45 9 4.5 2.5 1.1 0.45 36 24 9.2 7.8 5.2 3.6 3.2 36 24 9.2 7.8 5.2 3.6 3.2 120 DC Resistance Max. 1.40 0.75 0.40 0.25 0.13 1.40 0.75 0.40 0.25 0.13 2.70 1.60 0.75 0.50 0.34 0.25 0.20 2.70 1.60 0.75 0.50 0.34 0.25 0.20 2.60 Figure 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 3 3 5 5 5 5 5 5 5 4 Weight oz./gram 0.53/15 0.53/15 0.53/15 0.53/15 0.53/15 0.53/15 0.53/15 0.53/15 0.53/15 0.53/15 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 0.90/25 1.4/40 6-72 Model HM28 Series SPECIFICATIONS Part Number HM28-25026 HM28-25027 HM28-25028 HM28-25029 HM28-25030 HM28-25031 HM28-25032 HM28-25033 HM28-35034 HM28-35035 HM28-35036 HM28-35037 HM28-35038 HM28-35039 HM28-35040 HM28-35041 HM28-35042 HM28-42051 HM28-42052 HM28-42053 HM28-42054 HM28-42055 HM28-42056 HM28-42057 HM28-42058 Current Rating Amps AC 0.60 0.70 0.90 1.0 1.50 2.0 2.50 3.0 0.50 0.60 0.70 0.90 1.0 1.50 2.0 2.50 3.0 1.50 1.80 2.0 2.50 2.70 3.0 3.50 4.0 Inductance @ 1.0 kHz mH Min. 92 66 36 25 15.5 10 8 5 120 92 66 36 25 15.5 10 8 5 33 22 18 12 10 8.1 6 4.7 DC Resistance Max. 2.0 1.50 0.80 0.60 0.32 0.25 0.19 0.10 2.60 2.0 1.50 0.80 0.60 0.32 0.25 0.19 0.10 0.50 0.40 0.30 0.20 0.15 0.12 0.10 0.08 Figure 4 4 4 4 4 4 4 4 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 Weight oz./gram 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 1.4/40 2.7/76 2.7/76 2.7/76 2.7/76 2.7/76 2.7/76 2.7/76 2.7/76 6 6-73 Model HM28 Series PERFORMANCE Impedance vs. Frequency 001, 003, 005 1000 300 100 INPENDANCE (K ) INPENDANCE (K ) 30 00 1 012, 014, 016 1000 300 100 30 10 3 1 0.3 01 2 10 3 1 0.3 0.1 0.01 0.03 00 5 00 3 0.1 0.3 1 3 10 FREQUENCY (MHz) 30 100 0.1 0.01 0.03 0.1 0.3 1 3 10 FREQUENCY (MHz) 043, 046, 049 01 6 01 4 30 100 026, 029, 032 1000 300 100 INPENDANCE (K ) 02 6 1000 300 100 INPENDANCE (K ) 30 10 3 1 0.3 0.1 0.3 1 3 10 FREQUENCY (MHz) 30 100 0.1 0.01 0.03 0.1 0.3 1 3 10 FREQUENCY (MHz) 30 100 04 04 04 963 30 10 3 1 0.3 0.1 0.01 0.03 03 2 02 9 6-74 Model HM28 Series |
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