Technical Data 10547 Effective August 2016 HCM1A0503 Automotive grade High current power inductors Applications Body electronics Central body control module Vehicle access control system Headlamps, tail lamps and interior lighting Heating ventilation and air conditioning controllers (HVAC) Doors, window lift and seat control Advanced driver assistance systems 77 GHz radar system Basic and smart surround, and rear and front view camera Adaptive cruise control (ACC) Automatic parking control Product features Collision avoidance system/Car black AEC-Q200 Grade 1 qualified box system High current carrying capacity Infotainment and cluster electronics Magnetically shielded, low EMI Active noise cancellation (ANC) Frequency range up to 1 MHz Audio subsystem: head unit and trunk amp Inductance range from 0.2 H to 10 H Digital instrument cluster Current range from 2.3 A to 24 A In-vehicle infotainment (IVI) and navigation 5.5 mm x 5.3 mm footprint surface mount Chassis and safety electronics package in a 3.0 mm height Airbag control unit Alloy powder core material Engine and Powertrain Systems Moisture Sensitivity Level (MSL): 1 Powertrain control module (PCU)/Engine Halogen free, lead free, RoHS compliant Control unit (ECU) Transmission Control Unit (TCU) Environmental Data Storage temperature range (Component): -55 C to +155 C Operating temperature range: -55 C to +155 C (ambient plus self-temperature rise) Solder reflow temperature: J-STD-020 (latest revision) compliant HALOGEN Pb HF FREEHCM1A0503 Technical Data 10547 Effective August 2016 Automotive grade high current power inductors Product Specifications 1 2 3 4 OCL FLL (H) I I DCR (m) DCR (m) rms sat 6 5 Part Number (H) 20% minimum (A) (A) typical +20 C maximum +20 C K-factor HCM1A0503-R20-R 0.20 0.128 15.8 18 2.1 2.3 1601 HCM1A0503-R22-R 0.22 0.141 15.8 24 2.1 2.3 1004 HCM1A0503-R33-R 0.33 0.211 11.8 16 3.9 4.3 918 HCM1A0503-R35-R 0.35 0.224 11.8 15 3.9 4.3 914 HCM1A0503-R47-R 0.47 0.300 9.2 12 6.5 7.2 835 HCM1A0503-R68-R 0.68 0.435 8.0 12 8.2 9.1 713 HCM1A0503-R75-R 0.75 0.48 7.8 12 8.5 9.4 590 HCM1A0503-1R0-R 1.0 0.64 7.1 8.5 10.4 11.4 569 HCM1A0503-1R5-R 1.5 0.96 5.2 6.8 17.1 18.5 450 HCM1A0503-2R2-R 2.2 1.4 4.5 6.4 22.5 25.0 411 HCM1A0503-3R3-R 3.3 2.1 3.8 5.6 36.4 40.4 332 HCM1A0503-4R7-R 4.7 3.0 3.1 4.2 54 60.0 239 HCM1A0503-5R6-R 5.6 3.6 2.8 4.0 63 70.6 235 HCM1A0503-6R8-R 6.8 4.4 2.3 3.8 81 97.2 212 HCM1A0503-100-R 10 6.4 2.4 2.3 90 108 191 1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 V , 0.0 Adc, +25 C 4. I : Peak current for approximately 20% rolloff +25 C sat rms 2. Full Load Inductance (FLL) Test Parameters: 100 kHz, 0.25 V , I , +25 C 5. K-factor: Used to determine B for core loss (see graph). Bp-p = K * L * I. B : (Gauss), K: (K-factor from table), p-p p-p rms sat 3. I : DC current for an approximate temperature rise of 30 C without core loss. Derating is necessary for AC currents. L: (Inductance in H), I (Peak to peak ripple current in Amps). rms PCB layout, trace thickness and width, air-flow, and proximity of other heat generating components will affect the 6. Part Number Definition: HCM1A0503-xxx-R temperature rise. It is recommended that the temperature of the part not exceed 155 C under worst case operating HCM1A0503 = Product code and size conditions verified in the end application. xxx= inductance value in H, R= decimal point, If no R is present then last character equals number of zeros -R suffix = RoHS compliant Dimensions (mm) Part marking: 1AXXX=1A=Automotive grade, XXX=inductance value in uH, R=decimal point. If no R is present then last character equals number of zeros xxxx= Lot code All soldering surfaces to be coplanar within 0.1 millimeters Tolerances are 0.2 millimeters unless stated otherwise DCR measured from point a to point b Color: Grey Do not route traces or vias underneath the inductor www.eaton.com/electronics 2 xxxx