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DR74-6R8-R

Description
General Purpose Inductor, 6.8uH, 20%, 1 Element, Ferrite-Core, SMD, 3030, ROHS COMPLIANT
CategoryPassive components    inductor   
File Size294KB,6 Pages
ManufacturerCooper Industries
Environmental Compliance
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DR74-6R8-R Overview

General Purpose Inductor, 6.8uH, 20%, 1 Element, Ferrite-Core, SMD, 3030, ROHS COMPLIANT

DR74-6R8-R Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerCooper Industries
package instructionROHS COMPLIANT
Reach Compliance Codenot_compliant
ECCN codeEAR99
uppercase and lowercase codes3030
structureMagnetic Shielded
core materialFERRITE
DC Resistance0.0418 Ω
Nominal inductance(L)6.8 µH
Inductor ApplicationsDC-DC CONVERTER
Inductor typeGENERAL PURPOSE INDUCTOR
JESD-609 codee3
Manufacturer's serial numberDR74
Number of functions1
Number of terminals2
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package height4.35 mm
Package length7.6 mm
Package formSMT
Package width7.6 mm
method of packingTR, 13 Inch
Maximum rated current3.67 A
seriesDR
Shape/Size DescriptionRECTANGULAR PACKAGE
shieldYES
surface mountYES
Terminal surfaceMatte Tin (Sn) - with Nickel (Ni) barrier
Terminal locationDUAL ENDED
Terminal shapeONE SURFACE
Test frequency0.1 MHz
Tolerance20%
DR Series
High Power Density, High Efficiency, Shielded Inductors
• Magnetic shielding
• Secure mounting
• Ferrite core material
Applications
• Computer, DVD players, and portable power devices
• LCD panels
• DC-DC converters
• Buck, boost, forward, and resonant converters
• Noise filtering and filter chokes
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating temperature range: -40°C to +125°C
(range is application specific)
• Solder reflow temperature: +260°C max. for 10 seconds max.
Packaging
• Supplied in tape and reel packaging, 1350 (DR73), 1100 (DR74),
600 (DR125), and 350 (DR127) per reel
OCL
(1)
+/-20%
(µH)
0.306
0.992
1.482
2.070
3.540
4.422
6.480
8.930
10.30
15.01
22.65
34.41
48.62
68.91
80.37
101.4
150.9
223.3
325.5
465.8
676.5
821.7
995.0
Irms
(2)
Amps
6.21
5.28
4.67
4.15
3.31
3.09
2.55
2.19
2.08
1.83
1.62
1.31
1.08
0.89
0.86
0.73
0.58
0.52
0.42
0.35
0.29
0.27
0.26
Isat
(3)
Amps
Peak
14.4
7.97
6.52
5.52
4.22
3.78
3.12
2.66
2.47
2.05
1.67
1.35
1.14
0.96
0.89
0.79
0.65
0.53
0.44
0.37
0.31
0.28
0.25
DCR
(4)
(Ω)
Typ.
0.0073
0.0102
0.0130
0.0165
0.0259
0.0297
0.0435
0.0592
0.0656
0.0844
0.107
0.166
0.241
0.358
0.384
0.527
0.851
1.05
1.59
2.36
3.47
3.93
4.34
Volt-µSec
(5)
Typ.
1.98
3.56
4.36
5.15
6.73
7.52
9.11
10.7
11.5
13.9
17.0
21.0
24.9
29.7
32.1
36.0
44.0
53.5
64.5
77.2
93.1
103
113
Description
• 125°C maximum total operating temperature
• Four sizes of shielded drum core inductors
• Inductance range from 0.33µH to 1000µH
• Current range up to 56 amps peak
Part Number
DR73-R33-R
DR73-1R0-R
DR73-1R5-R
DR73-2R2-R
DR73-3R3-R
DR73-4R7-R
DR73-6R8-R
DR73-8R2-R
DR73-100-R
DR73-150-R
DR73-220-R
DR73-330-R
DR73-470-R
DR73-680-R
DR73-820-R
DR73-101-R
DR73-151-R
DR73-221-R
DR73-331-R
DR73-471-R
DR73-681-R
DR73-821-R
DR73-102-R
Rated
Inductance
(µH)
0.33
1.00
1.50
2.20
3.30
4.70
6.80
8.20
10.0
15.0
22.0
33.0
47.0
68.0
82.0
100
150
220
330
470
680
820
1000
(1) Open Circuit Inductance Test Parameters: 100kHz, 0.25Vrms, 0.0Adc.
(2) RMS current for an approximate
∆T
of 40°C without core loss. It is recommended that the
temperature of the part not exceed 125°C.
(3) Peak current for approximate 30% roll off at 20°C.
(4) DCR limits @ 20°C.
(5) Applied Volt-Time product (V-µS) across the inductor. This value represent the applied V-µS
at 100kHz necessary to generate a core loss equal to 10% of the total losses for 40°C
temperature rise.
6) Part number definition: DRxxx-yyy-R
DRxxx = product code and size,
-yyy = inductance value in µH,
R = decimal point. If no R is present, third character = # of zeros
-R suffix = RoHS compliant
1207
BU-SB07327
Page 1 of 6
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