DRA73 COOPER | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 8

Technical content

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.

High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications (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.

High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications (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. Mechanical Diagrams DRA73 Series TOP VIEWBOTTOM VIEW

7.6 Max

3.55 Max ### wwllyy R 8.50 SCHEMATIC RECOMMENDED P CB LAYOUT 2.50 2.00 3.2512 1.5 Dimensions in Millimeters. ### = Inductance value in uH. R = decimal point. If no R is present third character = # of zeros wwllyy = (date code) R = revision level

TOP VIEWBOTTOM VIEW FRONT VIEW 13.8 SCHEMATIC RECOMMENDED PCB LAYOUT 3.85 5.5 DRA127 ### wwllyy R 8.0 Max 12.50 Max 12. 50 Max 2.50 5.00 2 1 TOP VIE WBOTTOM VIEW FRONTVIEW 13.8 SC HEMATIC RECOMMENDED PCB LAYOUT 3.85 5.5 DRA125 ### wwlly y R 6.0 Max 12. 50 Max 12.50 Max 2.50 5.00 12 TOP VIEWBOTTOM VIEW FRONT VIEW RECO MMENDED PCB LAYOUT DRA124 ### wwlly y R 4.5 Max 12.50 Max 12.50 Max 2.50 5.00 5.5 3.85 13.8 Mechanical Diagrams DRA74 Series TOP V IEWBOTTOM VIEW

7.6 Ma x

4.35 Max ### wwllyy R 8.50 SCHEMATIC RECOMMENDED PCB LAYOUT 2.50 2.00 3.2512 1.5 DRA124 Series DRA125 Series DRA127 Series Dimensions in Millimeters. ### = Inductance value in uH. R = decimal point. If no R is present third character = # of zeros wwllyy = (date code) R = revision level DRA Series High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications

High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications User direction of feed Ø1.5 0 Min. Ø1.50 +0. 1/-0.0 SECTION A-A KoB0= 7.90 mm A0= 7.90 mm K0= 4.70 mm 4.00 2.00 ±0.1 Bo Ao 1.75 ±0.10 7.50±0.1 16.00 ±0.3 A A DRA74 ### 12.00 DRA74 Series A0SEC TION A-A B0= 13.00mm A0= 13.00 mm K0= 4.90 mm 1.5 dia +0.1/-0.0 DRA124-### wwllyy R 11.5 1.75 A 2.0 16.00 1.5 d ia min 24.0 +/-0.3 A User direction of feed DRA124 Series SE CTION A-A B0= 13.00 mm A0= 13.00 mm K0= 6.30 mm 1.5 dia +0.1/- 0.0 DRA125-### wwllyy R 11. 5 1.75 A 2.0 16. 00 1.5 dia min 24. 0 +/-0.3 A User direc tion of feed DRA125 Series Packaging Information Ø1.5 0 Min. Ø 1.50 +0.1/-0.0 SEC TION A-A KoB0= 7.90 mm A0= 7.90mm K0= 3.80mm 4.0 0 2.00 ±0.1 Bo Ao 1.7 5±0.1 0 7.50±0. 1 16.00 ± 0.3 A A DRA73 ### User direction of feed 12.00 DRA73 Series Dimensions are in millimeters. Parts packaged on 13" Diameter reel, 1,350 parts per reel. Parts packaged on 13" Diameter reel, 1,100 parts per reel. Parts packaged on 13" Diameter reel, 750 parts per reel. Parts packaged on 13" Diameter reel, 600 parts per reel. A0SECTION A-A B0= 13.00 mm A0= 13.00mm K0= 8.30mm 1.5 dia +0.1/-0 .0 DRA127-### wwllyy R 11.5 1.75 A 2.0 20.00 1.5 dia min 24.0 +/-0.3 A User direction of feed DRA127 Series Parts packaged on 13" Diameter reel, 350 parts per reel.

DRA 73 series DRA 74 s eries Total Loss (W) Temp. Rise(°C) To t a l L o ss (W ) Temp. Rise(°C) DRA 124 series DRA 1 25 series Total Loss (W) Temp. Rise(°C) T ot al Los s ( W ) Temp. Rise(°C) DRA 127 series Total Loss (W) Temp. Rise(°C) Temperature Rise vs. Watt Loss DRA Series High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications

OCL vs Isat/DRA 74 seriesOCL vs Isat/DRA 73 series 40% 50 % 60% % ofO L -40° 25° 85° 125° 10 % 20 % 30 % 70 % C 80% 90 % 100 % 110 % 120 % 40% 50 % 60% % ofO -4 0° 25° 85° 125° 120 % 110 % 100 % 90 % 80 % 70 % CL 30 % 20 % 10% 0% 10 % 20% 30 % 40% 50 % 60% 70 % 80% 90 % 100 % 110 % 120 %0% 10 % 20% 30 % 40% 50 % 60% 70 % 80% 90 % 100 % 110 % 120 % 130 % 140 % % o f Isat % o f Isat OCL vs Isat/DRA 125 seriesOCL vs Isat/DRA 124 series 40 % 50 % 60 % % ofO -40° 25° 85° 125° 10 % 20 % 30% 70 % CL 80 % 90% 100 % 110 % 120 % 40% 50% 60 % % ofO -40° 25° 85° 120 % 110 % 100 % 90% 80 % 70% CL 30 % 20 % 125° 10 % %0% 10 % 20% 30 % 40% 50 % 60% 70 % 80% 90 % 100 % 110 % 120 % 130 % 140 % 150 % 160 % 0% 10 % 20% 30 % 40% 50 % 60% 70 % 80% 90 % 100 % 110 % 120 % 130 % 140 % o f Isat % o f Isat OCL vs Isat/DRA 127 series 40 % 50 % 60 % % ofO -40° 25° 85° 125° 120 % 110 % 100 % 90 % 80 % 70 % CL 30 % 20 % 10 % 60 % 70% 80 % 90% 100 % 110 % 120 % 130 % 140 % 150 % 160 % 170 % 180 % 190 % 200 % % o f Isat Inductance Characteristics DRA Series High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications

Visit us on the Web at www.cooperbussmann.com 1225 Broken Sound Pkwy. Suite F Boca Raton, FL 33487 Tel: +1-561-998-4100 Toll Free: +1-888-414-2645 Fax: +1-561-241-6640 This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Life Support Policy: Cooper Electronic Technologies does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company . Life support systems are devices which support or sustain life, and whose failure to per form, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injur y to the user. PM-4319 3/07 © Cooper Electronic Technologies 2007 DRA Series High Power Density, High Efficiency, Shielded Inductors Magnetics Solutions For Automotive Applications DRA 73 series DRA 74 s eries 1MHz 500kHz 300kHz 200kHz 100kHz 50kHz 0.00001 0.0001 0.001 0.01 0.1 100 1 10 100 10 0 Bp-p (mT) Core Loss (W) 1MHz 500kHz 300kHz 200kHz 100kHz 50kHz 0.0001 0.001 0.01 0.1 100 1 10 100 1000 Bp-p (mT) Core Loss (W) DRA 124 series DRA 125 series 1MHz 500kHz 300kHz 200kHz 100kHz 50kHz 0.0001 0.001 0.01 0.1 100 1000 1 10 100 1 000 Bp-p (mT) Core Loss (W) 1MHz 500kHz 300kHz 200kHz 100kHz 50kHz 0.0001 0.001 0.01 0.1 100 1000 1 10 100 1000 Bp-p (mT) Core Loss (W) DRA 127 series 1MHz 500kHz 300kHz 200kHz 100kHz 50kHz 0.001 0.01 0.1 100 1000 1 10 100 1000 Bp-p (mT) Core Loss (W) Inductance Characteristics