2

Technical Data

4120

Effective October 2015

HC8

High current power inductors

www.eaton.com/elx

Product specifications

l

rms

2

(amps)

15% rolloff

30% rolloff

DCR (mΩ)

maximum @ 20°C

(V-μs)

HC8-R15-R

0.175

39.0

43

76

0.80

1.5

HC8-R39-R

0.390

28.3

26

45

1.55

2.5

HC8-R75-R

0.766

18.8

18.5

32.7

3.40

3.5

HC8-1R2-R

1.32

16.0

14.4

25.5

4.70

4.5

HC8-1R9-R

1.90

12.4

11.8

20.9

7.7

5.5

HC8-2R6-R

2.65

10.2

10.0

17.7

11.4

6.5

HC8-3R5-R

3.52

8.5

8.7

15.3

16.5

7.5

HC8-4R5-R

4.52

8.0

7.7

13.5

18.6

8.5

HC8-5R6-R

5.65

6.7

6.9

12.1

26.3

9.5

HC8-6R9-R

6.90

6.4

6.2

10.9

28.9

10.5

HC8-8R2-R

8.27

5.5

5.7

10.0

39.6

11.5

HC8-100-R

9.77

5.2

5.2

9.2

43.6

12.5

HC8-150-R

15.02

4.1

4.2

7.4

68.6

15.5

HC8-220-R

21.40

3.4

3.5

6.2

99.5

18.6

HC8-330-R

31.65

2.7

2.9

5.1

154

22.6

HC8-470-R

47.28

2.2

2.4

4.2

237

27.6

1. Open Circuit Inductance (OCL) Test Parameters: 100kHz, 1.0Vrms, 0.0Adc, @ +25°C

2. Irms: DC current for an approximately ΔT of 40°C without core loss. Derating is necessary for

AC currents. Pad layout, trace thickness and width, airflow, and proximity of other heat generating

components will affect the temperature rise. It is recommended that the temperature of the part

not exceed 155°C under worst case conditions verified in the end application.

3. Peak current for approximately 15% rolloff @+20°C

4. Peak current for approximately 30% rolloff @+20°C

5. Applied Volt-Time product (V-μs) across the inductor. This value represents the applied V-μs at

operating frequency necessary to generate additional core loss which contributes to the 40°C

temperature rise. De-rating of the Irms is required to prevent excessive temperature rise. The 100%

V-μs rating is equivalent to a ripple current I

6. Part number definition: HC8-XXX-R

HC8 = Product code and size

XXX = Inductance value in uH. R = Decimal point. If no R is present then last character

equals number of zeros

-R suffix indicates RoHS compliant

Dimensions–mm

TOPVIEW

10.9

Max

10.4

Max

HC8-XXX

wwllyy R

10.4

Max

FRONTVIEW

SIDE VIEW

2.70 ± 0.55

(2x)

RECOMMENDED PAD LAYOUT

4.0 typ

3.0 typ

2plcs

3.5 typ

2plcs

1

2

SCHEMATIC

4.0

Max

C

L

Aref

3.95

2 plcs

ref

A

mm

1R

2.1

1R9

thru

470

2.7

R39

R75

R15

PN

2.1

2.1

2.1

FRONT VIEW

TABLE

Packaging information–mm

Supplied in tape and reel packaging, 800 parts per reel

2.0

Ao

Ko=4.3 mm

Ao=10.4 mm

Bo=11.2 mm

1.5 dia

+0.1/-0.0

Bo

11.2

Ko

SECTION A-A

HC8-XXX

wwllyyR

16.0

24.0

+/-0.3

11.5

4.0

1.5dia

min

1.75

User direction of feed

A

A

Part marking: HC8= (Product code and size)-xxx=(inductance value in uH, R= decimal point. If no R is present then last character equals

number of zeros. wwlyly=date code, R=revision level

Tolerances are ±0.2 millimeters unless stated otherwise

All soldering surfaces to be coplanar within 0.1 millimeters

Do not route traces or vias underneath the inductor