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Revised: 10-Aug-15

SMD

SMD

SMD

SMD Power Inductor

Power Inductor

Power Inductor

Power Inductor

CDB78D73

Description

• Ferrite core construction.

• Magnetically shielded.

• L

×W×H: 10.0×8.0×7.5 mm Max.

• Product weight: 11.4g (Ref.)

• Moisture Sensitivity Level: 1

• RoHS compliance.

Environmental Data

• Operating temperature range: -40

℃～+105℃

(including coil’s self temperature rise)

• Storage temperature range: -40

℃～+105℃

• Solder reflow temperature: 260

℃ peak.

Packaging

• Carrier tape and reel packaging.

• 13.0”diameter reel

• 500pcs per reel

Applications

• Ideally used in the multiple chopper type DC-

DC converters for servers and various

decentralized power supplier.

RoHS

Dimension - [mm]

Land pattern and Schematics - [mm]

Electrical Characteristics

※1 Measuring frequency Inductance at 1MHz

※2 Saturation current: The value of DC current when the inductance decreases to 80% of it's initial value.

※3 Temperature rise current: The actual value of DC current when the temperature rise is △T＝40℃(Ta＝20℃).

9.

8

+0

.2

-0

.4

-0.3

7.3±0.2

2.

5±

0.

3

a

b

2.0

4.

8

3.

0

2.5

4.

4

50.0

41.0(51.0)

0.33(0.29)

0.20

±20%

R20

CDB78D73NP-R20MC

50.0

55.0(68.0)

0.33(0.29)

0.15

±20%

R15

CDB78D73NP-R15MC

Temperature

rise current

(A)

※3

Saturation current (A)

※2

(at20

℃)

Max.(Typ.)

D.C.R.

(m

Ω)

(at 20

℃)

Max.(Typ.)

Inductance

(

μH)

［Within］

※1

Stamp

Part No.