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CDB78D73_15 Datasheet, PDF (1/2 Pages) Sumida Corporation – SMD Power Inductor
SMD Power Inductor
CDB78D73
RoHS
Dimension - [mm]
7.8
+0.2
-0.3
7.3±0.2
a
+0.2 -0.4
9.8
b
Land pattern and Schematics - [mm]
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
2.0
(including coil’s self temperature rise)
℃~ ℃ • Storage temperature range: -40 +105
℃ • Solder reflow temperature: 260 peak.
4.8 Packaging
• Carrier tape and reel packaging.
• 13.0”diameter reel
0.3 • 500pcs per reel
2.5± Applications
• Ideally used in the multiple chopper type DC-
DC converters for servers and various
decentralized power supplier.
4.4
3.0
2.5
Electrical Characteristics
Part No.
Stamp
CDB78D73NP-R15MC R15
CDB78D73NP-R20MC R20
Inductance
μ( H)
ï¼» ï¼½ Within
※1
± 0.15 20%
± 0.20 20%
D.C.R.
Ω (m )
℃ (at 20 )
Max.(Typ.)
0.33(0.29)
0.33(0.29)
※ Saturation current (A) 2
℃ (at20 )
Max.(Typ.)
Temperature
※ rise current
(A) 3
55.0(68.0)
50.0
41.0(51.0)
50.0
※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 ).
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Revised: 10-Aug-15