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DRA73-4R7-R Datasheet(PDF) 1 Page - Cooper Bussmann, Inc. |
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DRA73-4R7-R Datasheet(HTML) 1 Page - Cooper Bussmann, Inc. |
1 / 8 page Description • 165°C maximum total temperature operation • Five sizes of Automotive grade shielded drum core inductors • Inductance range from 0.28uH to 1000uH • Current range up to 56 Amps • Mechanical secure mounting for high shock and vibration environments • Good thermal dispersion with thermal conductive epoxy • Customized dual winding versions available upon request for SEPIC or Flyback configurations Applications • Automotive Electronics (under the hood, interior/exterior) • Telematics • DC-DC converters • Buck, boost, forward, and resonant converters • Noise filtering and filter chokes Environmental Data • Storage temperature range: -40°C to +165°C • Operating temperature range: -40°C to +165°C (range is application specific) • Solder reflow temperature: +260°C max. for 10 seconds max. • Complies with AEC-Q200 standard Packaging • Supplied in tape and reel packaging, 1350 (DRA73), 1100 (DRA74), 750 (DRA124), 600 (DRA125), and 350 (DRA127) per reel DRA Series High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications RoHS 2002/95/EC (1) Open Circuit Inductance test parameters: 100kHz, 0.25V, 0.0Adc, tolerance is ±20% (2) Irms: DC current for an approximate ∆T of 40°C without core loss. Derating is necessary for AC currents. PCB layout, trace thickness and width, air-flow, and proximity of other heat generating components will affect the temperature rise. It is recommended that the temperature of the part not exceed 165°C under worst case operating conditions verified in the end application. (3) Isat Amperes peak for approximately 30% rolloff (@25°C) (4) Isat Amperes peak for approximately 40% rolloff (@125°C) (5) DCR limits @ 25°C (6) K-factor: Used to determine B p-p for core loss (see graph). B p-p = K*L* ∆I, B p-p(mT), K: (K factor from table), L: (Inductance in µH), ∆I (Peak to peak ripple current in Amps). (7) Part Number Definition: DRAxxx-xxx-R DRAxxx = Product code and size; -xxx = Inductance value in uH; R = decimal point; If no R is present, third character = # of zeros. -R suffix = RoHS compliant Part Number Rated OCL (1) Irms (2) Isat (3) Isat (4) DCR (5) K-factor (6) Inductance µH Amperes Amperes Amperes ( Ω) +/-20% Typ. DRA73-R33-R 0.33 0.29 8.42 14.80 11.84 0.0040 60.6 DRA73-1R0-R 1.00 0.91 6.50 8.22 6.58 0.0067 33.7 DRA73-1R5-R 1.50 1.36 5.39 6.73 5.38 0.0097 27.5 DRA73-2R2-R 2.20 2.52 4.18 4.93 3.95 0.016 20.2 DRA73-3R3-R 3.30 3.18 3.59 4.35 3.48 0.022 17.8 DRA73-4R7-R 4.70 4.86 2.92 3.52 2.82 0.033 14.4 DRA73-6R8-R 6.80 6.63 2.62 2.96 2.37 0.041 12.1 DRA73-8R2-R 8.20 8.06 2.30 2.74 2.19 0.053 11.2 DRA73-100-R 10.0 10.27 2.11 2.39 1.91 0.064 9.8 DRA73-150-R 15.0 14.98 1.74 2.00 1.60 0.094 8.2 DRA73-220-R 22.0 22.39 1.42 1.64 1.32 0.141 6.7 DRA73-330-R 33.0 31.84 1.25 1.35 1.08 0.183 5.5 DRA73-470-R 47.0 47.83 1.02 1.10 0.884 0.275 4.5 DRA73-680-R 68.0 66.89 0.845 0.937 0.749 0.397 3.8 DRA73-820-R 82.0 83.77 0.731 0.851 0.680 0.530 3.5 DRA73-101-R 100 101.7 0.682 0.763 0.610 0.609 3.1 DRA73-151-R 150 151.1 0.551 0.632 0.506 0.932 2.6 DRA73-221-R 220 218.8 0.479 0.510 0.408 1.23 2.1 DRA73-331-R 330 326.4 0.391 0.423 0.338 1.85 1.7 DRA73-471-R 470 472.6 0.326 0.354 0.283 2.67 1.4 DRA73-681-R 680 682.9 0.270 0.297 0.238 3.89 1.2 DRA73-821-R 820 825.3 0.252 0.267 0.214 4.46 1.1 DRA73-102-R 1000 991.9 0.235 0.239 0.192 5.15 1.0 |
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