Shielded Surface

Mount Coupled Inductors

MODELS HM78D-128XXXXLF, HM78D-755XXXMLF

Make Possible

HM78D - 128 4R7 M LF TR

OrderingInformation

Model Series

Case Size:

128, 755

Inductance Code:

First 2 digits are significant. Last digit denotes

the number of trailing zeros. For values below

10μH, “R” denotes the decimal point.

Tape & Reel Packing

Lead-Free

Inductance Tolerance

K = ± 10%

M = ± 20%

Specifications@25°Ccontinued

Parallel Connection

Series Connection

Part Number

(μH)

(Ω)

l

sat

(3)

(A)

l

rms

(4)

(A)

(μH)

(Ω)

l

sat

(3)

(A)

l

rms

(4)

(A)

HM78D-7556R8MLF

6.8 ± 20%

0.0418

3.67

2.60

29.38 ± 20%

0.167

1.84

1.30

HM78D-7558R2MLF

8.2 ± 20%

0.0441

3.40

2.53

34.26 ± 20%

0.177

1.70

1.27

HM78D-755100MLF

10 ± 20%

0.0489

3.17

2.41

39.53 ± 20%

0.196

1.58

1.20

HM78D-755150MLF

15 ± 20%

0.0637

2.48

2.11

64.36 ± 20%

0.255

1.24

1.05

HM78D-755220MLF

22 ± 20%

0.0925

2.13

1.75

86.92 ± 20%

0.371

1.07

0.874

HM78D-755330MLF

33 ± 20%

0.143

1.73

1.41

132 ± 20%

0.574

0.87

0.702

HM78D-755470MLF

47 ± 20%

0.216

1.41

1.15

198.6 ± 20%

0.865

0.71

0.573

HM78D-755680MLF

68 ± 20%

0.265

1.19

1.03

278.7 ± 20%

1.06

0.60

0.517

HM78D-755820MLF

82 ± 20%

0.345

1.11

0.91

323.8 ± 20%

1.38

0.55

0.453

HM78D-755101MLF

100 ± 20%

0.383

0.99

0.86

406.4 ± 20%

1.53

0.49

0.430

HM78D-755151MLF

150 ± 20%

0.591

0.81

0.69

600 ± 20%

2.37

0.41

0.346

HM78D-755221MLF

220 ± 20%

0.907

0.66

0.56

908 ± 20%

3.63

0.33

0.279

HM78D-755331MLF

330 ± 20%

1.41

0.54

0.45

1342 ± 20%

5.66

0.27

0.224

HM78D-755471MLF

470 ± 20%

1.74

0.46

0.40

1861 ± 20%

6.97

0.23

0.202

HM78D-755681MLF

680 ± 20%

2.58

0.38

0.33

2685 ± 20%

10.30

0.19

0.166

HM78D-755821MLF

820 ± 20%

2.93

0.35

0.31

3251 ± 20%

11.70

0.17

0.156

HM78D-755102MLF

1000 ± 20%

3.89

0.31

0.27

4036 ± 20%

15.60

0.16

0.135

Case Size

A

B

C

D

E

F

G

H

I

J

K

L

M

N

P

Q

R

S

128

12.5

12.5

8.05

5.0

5.0

3.5

1.5

4.2

5.5

4.5

2.0

12.8

4.2

4.5

2.0

4.2

5.5

4.5

755

7.7

7.7

4.8

3.9

2.7

1.55

0.72

2.2

2.8

3.1

1.0

7.5

2.2

3.1

1.0

2.2

2.8

3.1

Notes: (1)Inductanceismeasuredat100kHz,0.1VrmswithoutDCcurrent.

(2)DCRTyp.isonlyfor755serieswhile128seriesisofDCRMax.

(3)I

(4)I

Standard:

Embossed Tape and Reel

Reel:

Diameter:

=

13” (330.2mm)

Capacity:

Case size 128

=

500 Units

Case size 755

=

1,000 Units

Packaging

OutlineDimensions(mm)

Top View

Side View

Bottom View

Recommended Solder Pad Layout

Rev. 01

GeneralNote

TTElectronicsreservestherighttomakechangesinproductspecificationwithoutnoticeorliability.

AllinformationissubjecttoTTElectronics’owndataandisconsideredaccurateattimeofgoingtoprint.

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www.ttelectronicsmagnetics.com