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
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