Effective January 2018 Technical Data 4372 Supersedes September 2017 DRAQ127 Automotive grade Dual winding, high power density 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 trunk amp Product features o Digital instrument cluster AEC-Q200 qualified o In-Vehicle Infotainment (IVI) and Dual winding inductors that can be used navigation as a single inductor, SEPIC, Flyback, or Chassis and safety electronics other coupled inductor/transformer o Electronic Stability Control system (ESC) applications (1:1 turns ratio) o Electric parking brake Windings can be connected in series or o Electronic Power Steering (EPS) parallel, offering a wide range of Engine and powertrain systems inductance and current ratings o Diesel/gasoline engine management 200 Vac isolation between windings o Powertrain Control Module (PCM)/ 12.5 mm x 12.5 mm x 8.0 mm surface Engine Control Unit (ECU) mount package o Transmission Control Unit (TCU) Mechanical secure mounting for high shock and vibration environments Environmental Data Ferrite core material Storage temperature range (Component): Moisture Sensitivity Level (MSL): 1 -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 HF Pb FREETechnical Data 4372 DRAQ127 Effective January 2018 Automotive grade Dual winding, high power density shielded drum core power inductors Product specifications Parallel Ratings Series Ratings 1 3 4 1 3 4 2 OCL I 1 I 2 DCR () DCR () OCL I 1 I 2 DCR () DCR () 2 I sat sat I sat sat rms rms 25% +20 C +20 C 25% +20 C +20 C (A) (A) 6 5 5 (A) Part Number (H) (A) (Typ.) (Max.) K-Factor (H) (A) (A) (Typ.) (Max.) K-Factor DRAQ127-100-R 9.63 6.02 11.2 8.96 0.018 0.022 24.0 38.5 3.01 5.60 4.48 0.072 0.089 12.0 DRAQ127-150-R 14.9 4.83 9.03 7.23 0.027 0.032 19.4 59.6 2.41 4.52 3.61 0.108 0.128 9.70 DRAQ127-220-R 22.0 3.98 7.57 6.05 0.040 0.047 16.2 88.0 1.99 3.79 3.03 0.162 0.192 8.10 DRAQ127-330-R 32.0 3.22 6.22 4.98 0.060 0.072 13.3 128.0 1.61 3.11 2.49 0.240 0.288 6.65 DRAQ127-470-R 47.9 2.62 5.09 4.07 0.091 0.110 10.9 192.0 1.31 2.54 2.03 0.364 0.440 5.45 1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 V , 0.0 5. K-factor: Used to determine B for core loss (see graph). B = K * L * I. rms p-p p-p Adc B :(Gauss), K: (K-factor from table), L: (Inductance in H), I (Peak-to-peak p-p 2. I : DC current for an approximate temperature rise of 40 C without core ripple current in Amps). rms loss. Derating is necessary for AC currents. PCB layout, trace thickness and 6. Part Number Definition: DRAQxxx-xxx-R width, air-flow and proximity of other heat generating components will affect - DRAQxxx = Product code and size the temperature rise. It is recommended that the temperature of the part not - xxx= Inductance value in uH, R = decimal point, If no R is present then 3rd exceed +165 C under worst case operating conditions verified in the end digit equals number of zeros. application. - -R suffix = RoHS compliant 3. I 1: Peak current for approximately 30% rolloff at +25 C. sat 4. I 2: Peak current for approximately 40% rolloff at +125 C. sat Dimensions - mm Top view Recommended pad layout Front view Schematic Bottom view 1 2 1 2 1 2 L1 L2 L1 L2 L1 L2 3 4 3 4 3 4 Dual Inductor Series Mode Parallel Mode Part Marking: DRAQ127, = inductance value in H, R = decimal point if no R is present, then 3rd digit equals number of zeros wwllyy = Date code, R = revision level All soldering surfaces to be coplanar within 0.10 millimeters Tolerances are 0.2 millimeters unless stated otherwise. Do not route traces or vias underneath the inductor *Special Characteristic epoxy protrusion or any flashing from the plastic on the header/base can be below the terminal surface and must not exceed 0.08 mm beyond the bottom surface of the terminal. www.eaton.com/electronics 2