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| Document 178-1 SMT Power Inductors - DT1608C Series The Coilcraft DT1608 Series is magnetically shielded and the materials used provide natural heat sinking. This allows these parts to be used at relatively high currents. Even at 150% of rated current, the temperature rise is less than 15C. Because of their "swinging" inductance vs current characteristics, the DT1608 Series can be used as ultra high L inductors at zero or low current. For new designs, consider the LPS4018 as an alternative to this series. The LPS4018 series is more cost effective, features a smaller footprint, lower profile and better current handling. We will continue to manufacture and support the DT1608C indefinitely. Specifications Part number1 DT1608C-102ML_ DT1608C-152ML_ DT1608C-222ML_ DT1608C-332ML_ DT1608C-472ML_ DT1608C-682ML_ DT1608C-103ML_ DT1608C-153ML_ DT1608C-223ML_ DT1608C-333ML_ DT1608C-473ML_ DT1608C-683ML_ DT1608C-104ML_ DT1608C-154ML_ DT1608C-224ML_ DT1608C-334ML_ DT1608C-474ML_ DT1608C-684ML_ DT1608C-105ML_ Inductance2 20% (H) 1.0 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47 68 100 150 220 330 470 680 1000 DCR max (Ohms) 0.065 0.070 0.075 0.080 0.085 0.090 0.125 0.135 0.160 0.275 0.300 0.575 1.10 1.40 2.25 2.90 3.60 4.55 8.10 SRF typ (MHz) 180 120 100 70 60 50 45 35 25 20 17 14 12 7.0 7.0 6.0 4.0 3.5 2.5 Inductance rating3 (H) 0.60 0.80 0.90 1.5 2.0 3.0 5.0 6.0 10 12 20 30 40 60 90 100 150 200 400 Operating Parameters Current Energy rating4 storage max (A) (Joules) 2.0 1.8 1.9 1.8 1.5 1.8 1.2 1.4 1.2 1.6 1.0 1.9 0.7 1.2 0.6 1.1 0.5 1.2 0.45 1.5 0.34 1.3 0.29 1.4 0.24 1.5 0.20 1.4 0.17 1.6 0.16 1.4 0.14 1.5 0.12 1.4 0.08 1.4 Switching frequency max 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 500 kHz 500 kHz 500 kHz 500 kHz 500 kHz 500 kHz 1. When ordering, please specify packaging code: DT1608C-106MLC Packaging: C = 7 machine-ready reel. EIA-481 embossed plastic tape (750 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead. D = 13 machine-ready reel. EIA-481 embossed plastic tape (2500 parts per full reel). 2. Inductance tested at 0.1 Vrms, 100 kHz, 0 Adc. 3. Measured at the rated current. Refer to L vs Current curves for details. 4. Average maximum allowable current. DT Series inductors are designed for current spikes as high as twice the current rating. 5. Ambient temperature range: -40C to +85C 6. Storage temperature range: Component: -40C to +85C Packaging: -55C to +80C 7. Resistance to soldering heat: Three reflows at >217C for 90 seconds (+260C 5C for 20 - 40 seconds), allowing parts to cool to room temperature between. 8. Electrical specifications at 25C. See Qualification Standards section for environmental and test data. See Color Coding section for part marking information. Refer to Doc 362 "Soldering Surface Mount Components" before soldering. Specifications subject to change without notice. Please check our website for latest information. Document 178-1 Revised 10/10/07 (c) Coilcraft, Inc. 2007 Document 178-2 SMT Power Inductors - DT1608C Series Typical L vs Current 10000 0.160 dia 4,06 0.115max 2,92 0.260 max 6,60 1000 -105 Inductance (H) 100 -104 0.070 1,78 0.050 1,27 0.090 2,29 0.170min 4,32 0.040 1,02 0.055 1,40 0.160 4,06 0.140 3,56 10 -103 0.175max 4,45 0.270 6,86 1 -102 Recommended Land Pattern Part Marking 0.1 0.01 0.1 1 10 Current (A) 1st significant digit Dash number XXX 2nd significant digit Multiplier (or) Isat Derating +30 Weight: 136 - 157 mg Terminations: Gold over nickel over moly-manganese Tape and reel: 750/7 reel; 2500/13 reel 12 mm tape width For packaging data see Tape and Reel Specifications section. Change in rated current (%) +20 +10 0 -10 -20 -30 -40 -20 0 20 25C 40 60 80 100 120 140 Ambient temperature (C) Specifications subject to change without notice. Please check our website for latest information. Document 178-2 Revised 10/10/07 (c) Coilcraft, Inc. 2007 |
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