Document 180-1 SMT Power Inductors – DT3316 Series These magnetically shielded inductors are designed for a wide variety of applications, including board mounted DC-DC converters, miniature power supplies and voltage multiplying circuits. They function equally well in filter and smoothing circuit applications. The Coilcraft DT Series represents the ultimate in costeffective miniature power inductors. They are constructed of materials specially developed for surface mount applications to ensure the best possible reliability and ease of use and handling. For free evaluation samples or to order, contact Coilcraft or visit www.coilcraft.com. Specifications Operating Parameters Part number1 Inductance ±20%2 (µH) DCR max (Ohms) SRF typ (MHz) Inductance rating3 (µH) Current rating4 (A) DT3316P-102 DT3316P-152 DT3316P-222 DT3316P-332 DT3316P-472 DT3316P-682 DT3316P-103 DT3316P-153 DT3316P-223 DT3316P-333 DT3316P-473 DT3316P-683 DT3316P-104 DT3316P-154 DT3316P-224 DT3316P-334 DT3316P-474 DT3316P-684 DT3316P-105 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 0.025 0.030 0.035 0.040 0.045 0.050 0.055 0.060 0.084 0.090 0.11 0.15 0.29 0.36 0.39 0.73 0.88 1.15 1.45 60 55 55 50 45 40 35 25 22 18 16 12 9 8 6 5 4 3 2.5 0.50 0.70 1.0 1.5 2.0 4.0 5.0 6.0 10 12 27 40 50 80 90 150 200 300 420 5.0 5.0 5.0 5.0 3.0 2.5 2.0 1.8 1.5 1.3 1.0 0.90 0.80 0.60 0.50 0.40 0.35 0.30 0.25 Energy Switching storage max frequency (µJoules) max 9 12 15 16 10 14 11 12 11 13 13 17 15 15 10 13 13 13 13 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. Part number on reel label may have a B suffix to indicate that the reel is not machine ready. 2. Inductance tested at 0.1 Vrms, 100 kHz, 0 Adc. 3. Measured at the rated current. Refer to L vs Current curves for more detail. 4. Average maximum allowable current. DT Series inductors are designed for current spikes as high as 2 × the current rating. 5. Operating temperature range –40°C to +85°C. 6. Electrical specifications at 25°C. See Qualification Standards section for environmental and test data. See Color Coding section for part marking information. Specifications subject to change without notice. Please check our website for latest information. Document 180-1 Revised 11/11/04 Document 180-2 SMT Power Inductors – DT3316 Series Typical L vs Current 0.330 dia 8,38 10000 1000 µH Inductance (µH) 1000 0.510 max 12,95 100 µH 100 0.370 max 9,40 0.200 max 5,08 0.100 2,54 0.115 2,92 0.290 7,37 10 µH 10 1 µH 1 0.100 2,54 0.110 2,79 0.300 7,62 Recommended Land Pattern Part Marking 0.1 0.01 1 0.1 Current (A) 10 Internal code Dash number XXX (or) X 1st significant digit 2nd significant digit Multiplier Weight: 0.86 – 1.06 g Terminations: Nickel/gold over phos bronze Tape and reel: 1000/13″ reel 24 mm tape width For packaging data see Tape and Reel Specifications section. Specifications subject to change without notice. Please check our website for latest information. Document 180-2 Revised 12/10/04