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DR1050-2R2-R Datasheet(PDF) 1 Page - Cooper Bussmann, Inc. |
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DR1050-2R2-R Datasheet(HTML) 1 Page - Cooper Bussmann, Inc. |
1 / 3 page Description • 125°C maximum total temperature operation • Low profile surface mount inductor • 10.3mm x 10.5mm x 5.0mm shielded drum core • Ferrite core material • Inductance range from 0.7µH to 1000µH • Current range from 13.5 Amps to 0.43 Amps • Frequency range up to 1MHz Applications • Computer, DVD players, and portable power devices • Notebook power, LCD panels • DC-DC converters • Buck, boost, forward, and resonant converters • Noise filtering and filter chokes Environmental Data • Storage temperature range: -40°C to +125°C • Operating temperature range: -40°C to +125°C (range is application specific) • Solder reflow temperature: +260°C max. for 10 seconds maximum Packaging • Supplied in tape and reel packaging, 500 per reel DR1050 Series Low Profile Power Inductors Part Number Rated OCL (1) Irms(2) Isat (3) DCR ( Ω) DCR ( Ω) K-factor Inductance µH±30% Amperes Amperes m Ω @20°C m Ω @20°C (4) (µH) (Typical) (Maximum) DR1050-R80-R 0.8 0.70 9.70 13.50 3.2 4.0 20.47 DR1050-1R5-R 1.5 1.37 8.60 10.50 4.0 5.0 14.62 DR1050-2R2-R 2.2 2.27 7.52 9.25 5.6 6.8 11.37 DR1050-3R3-R 3.3 3.21 6.50 8.20 8.0 10.0 9.30 DR1050-4R7-R 4.7 4.43 6.13 6.70 9.5 11.9 7.87 DR1050-6R8-R 6.8 6.30 5.45 5.80 13.0 16.5 6.82 DR1050-8R2-R 8.2 8.09 5.24 5.00 15.1 19.0 6.02 DR1050-100-R 10 10.1 4.80 4.58 18.0 22.5 5.39 DR1050-120-R 12 11.6 3.94 4.10 24.3 30.4 4.87 DR1050-150-R 15 14.8 3.80 3.70 26.0 32.5 4.45 DR1050-180-R 18 17.5 3.39 3.30 32.8 41.0 4.09 DR1050-220-R 22 23.5 3.12 3.00 38.7 48.4 3.53 DR1050-270-R 27 26.9 2.82 2.80 42.6 53.3 3.30 DR1050-330-R 33 34.3 2.56 2.50 57.5 71.9 2.92 DR1050-390-R 39 38.3 2.35 2.35 60.7 75.9 2.77 DR1050-470-R 47 47.1 2.06 2.10 89.0 111 2.50 DR1050-560-R 56 56.7 1.96 1.94 98.0 123 2.27 DR1050-680-R 68 67.2 1.84 1.70 111 139 2.09 DR1050-820-R 82 84.4 1.60 1.58 147 184 1.86 DR1050-101-R 100 97.5 1.52 1.45 164 205 1.73 DR1050-121-R 120 118.3 1.30 1.30 223 279 1.57 DR1050-151-R 150 149.2 1.26 1.15 238 298 1.40 DR1050-181-R 180 183.7 1.18 1.08 273 341 1.26 DR1050-221-R 220 221.8 1.00 0.98 377 472 1.15 DR1050-271-R 270 263.5 0.96 0.90 410 513 1.06 DR1050-331-R 330 320.6 0.83 0.80 554 693 0.96 DR1050-391-R 390 396.5 0.76 0.72 648 810 0.86 DR1050-471-R 470 480.5 0.64 0.62 855 1069 0.78 DR1050-561-R 560 572.6 0.62 0.60 970 1213 0.72 DR1050-681-R 680 707.9 0.56 0.55 1095 1369 0.64 DR1050-821-R 820 818.7 0.54 0.50 1185 1481 0.60 DR1050-102-R 1000 1000.2 0.43 0.48 1528 1950 0.54 (1) Open Circuit Inductance Test Parameters: 100kHz, 0.1V, 0.0Adc. (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 125°C under worst case operating conditions verified in the end application. (3) Isat Amperes peak for approximately 35% rolloff (@25°C) (4) 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). (5) Part Number Definition: DR1050-xxx-R DR1050 = 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 RoHS 2002/95/EC |
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