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DR1040-2R5-R Datasheet(PDF) 1 Page - Cooper Bussmann, Inc. |
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DR1040-2R5-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 4.0mm shielded drum core • Ferrite core material • Inductance range from 1.5µH to 330µH • Current range from 10.0 Amps to 0.52 Amps • Frequency range up to 1MHz Applications • Notebook power, Portable devices • Wireless modems, ADSL line cards • Point of load power supplies • Battery chargers, Video Cards • MP3 player, PDA’s, DVD players • LED driver for notebook computer • Navigation system, LCD backlighting • Buck, Boost, or Forward inductor 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, 850 per reel DR1040 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) DR1040-1R5-R 1.5 1.4 6.50 10.00 6.0 8.1 15.48 DR1040-2R5-R 2.5 2.4 6.10 7.80 7.0 9.0 12.04 DR1040-3R8-R 3.8 3.6 5.50 6.40 9.6 13.0 9.85 DR1040-5R2-R 5.2 5.2 5.40 5.50 14.0 17.0 8.33 DR1040-7R0-R 7.0 6.8 4.50 4.80 17.0 20.0 7.22 DR1040-8R2-R 8.2 8.1 3.98 4.60 24.0 29.0 6.37 DR1040-100-R 10 9.6 3.80 4.40 26.0 35.0 5.70 DR1040-150-R 15 14.9 3.10 3.60 37.0 50.0 4.71 DR1040-220-R 22 21.1 2.50 2.90 54.0 73.0 4.01 DR1040-330-R 33 32.6 2.20 2.45 69.0 93.0 3.28 DR1040-470-R 47 45.8 1.90 2.10 95.0 128 2.78 DR1040-680-R 68 65.3 1.42 1.65 152 183 2.30 DR1040-820-R 82 86.8 1.29 1.47 214 260 2.04 DR1040-101-R 100 101.4 1.25 1.35 225 304 1.90 DR1040-151-R 150 148.3 0.85 1.15 356 430 1.57 DR1040-221-R 220 216.2 0.70 0.92 530 640 1.27 DR1040-331-R 330 323.4 0.52 0.70 810 1090 1.03 (1) Open Circuit Inductance Test Parameters: 100kHz, 0.25V, 0.0Adc. (2) Irms: DC current for an approximate ∆T of 30°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: DR1040-xxx-R DR1040 = 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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