Effective January 2018 Technical Data 4319 Supersedes September 2017 DRA Automotive grade High power density, high efficiency, shielded drum core power inductors Applications Body electronics o Headlamps, tail lamps and interior lighting o Heating Ventilation and Air Conditioning controllers (HVAC) o Doors, window lift and seat control Advanced driver assistance systems o Adaptive cruise control (ACC) o Collision avoidance system o Car black box system Infotainment and cluster electronics o Audio subsystem: head unit and Product features trunk amp AEC-Q200 qualified o Digital instrument cluster Five different mechanical sizes available o In-Vehicle Infotainment (IVI) and Magnetically shielded-reduces EMI navigation Ferrite core material Chassis and safety electronics Inductance range from 0.28 H to 1000 H o Electronic Stability Control system Current range up to 56 A (ESC) Rugged construction for high shock and o Electric parking brake vibration environments o Electronic Power Steering (EPS) Moisture Sensitivity Level (MSL): 1 Engine and powertrain systems o Diesel/gasoline engine management o Powertrain Control Module (PCM)/ Engine Control Unit (ECU) o Transmission Control Unit (TCU) Environmental data Storage temperature range (component): -40 C to +165 C Operating temperature range: -40 C to +165 C (ambient plus self-temperature rise) Solder reflow temperature: J-STD-020 (latest revision) compliant HALOGEN Pb HF FREEDRA Technical Data 4319 Effective January 2018 Automotive grade High power density, high efficiency, shielded drum core power inductors Product specifications DCR () DCR () 1 2 3 4 Part OCL I I 1 I 2 +25 C +25 C rms sat sat 6 5 Number 20% (H) (A) (A) (A) Typical Maximum K-Factor DRA73-R33-R 0.29 8.42 14.8 11.8 0.0040 0.0048 636.5 DRA73-1R0-R 0.91 6.50 8.22 6.58 0.0067 0.0080 353.6 DRA73-1R5-R 1.36 5.39 6.73 5.38 0.0097 0.0117 289.3 DRA73-2R2-R 2.52 4.18 4.93 3.95 0.016 0.019 212.2 DRA73-3R3-R 3.18 3.59 4.35 3.48 0.022 0.026 187.2 DRA73-4R7-R 4.86 2.92 3.52 2.82 0.033 0.040 151.6 DRA73-6R8-R 6.63 2.62 2.96 2.37 0.041 0.049 127.3 DRA73-8R2-R 8.06 2.30 2.74 2.19 0.053 0.064 117.9 DRA73-100-R 10.27 2.11 2.39 1.91 0.064 0.077 102.7 DRA73-150-R 14.98 1.74 2.00 1.60 0.094 0.112 86.0 DRA73-220-R 22.39 1.42 1.64 1.32 0.141 0.170 70.7 DRA73-330-R 31.84 1.25 1.35 1.08 0.183 0.219 57.9 DRA73-470-R 47.83 1.02 1.10 0.884 0.275 0.330 47.5 DRA73-680-R 66.89 0.845 0.937 0.749 0.397 0.476 40.3 DRA73-820-R 83.77 0.731 0.851 0.680 0.530 0.636 36.6 DRA73-101-R 101.7 0.682 0.763 0.610 0.609 0.731 32.8 DRA73-151-R 151.1 0.551 0.632 0.506 0.932 1.12 27.2 DRA73-221-R 218.8 0.479 0.510 0.408 1.23 1.48 21.9 DRA73-331-R 326.4 0.391 0.423 0.338 1.85 2.22 18.2 DRA73-471-R 472.6 0.326 0.354 0.283 2.67 3.20 15.2 DRA73-681-R 682.9 0.270 0.297 0.238 3.89 4.66 12.8 DRA73-821-R 825.3 0.252 0.267 0.214 4.46 5.35 11.5 DRA73-102-R 991.9 0.235 0.239 0.192 5.15 6.18 10.3 1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 V , 0.0A dc 4. I 2: Peak current for approximately 40% rolloff at +125 C. rms sat +25 C 5. K-factor: Used to determine Bp-p for core loss (see graph). B = K * L * I. p-p 2. I : DC current for an approximate temperature rise of 40 C without core loss. B :(Gauss), K: (K-factor from table), L: (Inductance in H), I (peak-to-peak ripple rms p-p current in amps). Derating is necessary for AC currents. PCB layout, trace thickness and width, air- 6. Part Number Definition: DRAxxx-yyy-R flow and proximity of other heat generating components will affect the temperature rise. It is recommended that the temperature of the part not exceed DRAxxx = Product code and size yyy= Inductance value in uH, R = decimal point, +165 C under worst case operating conditions verified in the end application. if no R is present then third character = number of zeros. 3. I 1: Peak current for approximately 30% rolloff at +25 C. sat -R suffix = RoHS compliant www.eaton.com/electronics 2