DR74-820-R Cooper/Bussmann, DR74-820-R Datasheet - Page 3
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DR74-820-R
Manufacturer Part Number
DR74-820-R
Description
Power Inductors 82uH 1.11A 0.345ohms
Manufacturer
Cooper/Bussmann
Datasheet
1.DR73-4R7-R.pdf
(6 pages)
Specifications of DR74-820-R
Inductance
82 uH
Tolerance
20 %
Maximum Dc Current
1.11 Amps
Maximum Dc Resistance
0.345 Ohms
Dimensions
7.6 mm W x 7.6 mm L x 4.35 mm H
Termination Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DR74-820-R
Manufacturer:
COOPER
Quantity:
60 000
Part Number:
DR74-820-R
Manufacturer:
COOPER
Quantity:
20 000
(1) Open Circuit Inductance Test Parameters: 100kHz, 0.25V rms , 0.0Adc.
(2) RMS current for an approximate ∆T of 40°C without core loss. It is recommended that the
(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
1207
temperature of the part not exceed 125°C.
at 100kHz necessary to generate a core loss equal to 10% of the total losses for 40°C
temperature rise.
DR127-R47-R
DR127-1R0-R
DR127-1R5-R
DR127-2R2-R
DR127-3R3-R
DR127-4R7-R
DR127-6R8-R
DR127-8R2-R
DR127-100-R
DR127-150-R
DR127-220-R
DR127-330-R
DR127-470-R
DR127-680-R
DR127-820-R
DR127-101-R
DR127-151-R
DR127-221-R
DR127-331-R
DR127-471-R
DR127-681-R
DR127-821-R
DR127-102-R
Part Number
BU-SB07327
Inductance
Rated
1000
(µH)
0.47
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
+/-20%
OCL
0.419
0.821
1.357
2.027
2.831
4.841
7.387
8.861
10.47
14.09
22.93
33.92
47.05
66.48
79.75
99.31
144.9
221.5
323.6
467.1
676.7
818.1
1005
(µH)
(1)
Page 3 of 6
I rms
Amps
17.9
15.5
13.5
12.5
10.5
8.25
7.34
6.32
6.04
5.03
4.00
3.23
2.95
2.44
2.09
1.96
1.59
1.29
1.04
0.85
0.76
0.65
0.61
(2)
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
Amps
I sat
Peak
56.0
40.0
31.1
25.5
21.5
16.5
13.3
12.2
11.2
9.66
7.57
6.22
5.28
4.44
4.06
3.64
3.01
2.43
2.01
1.68
1.39
1.27
1.14
(3)
Data Sheet 4315
0.00195
0.00313
0.00341
0.00402
0.00567
0.00917
0.0116
0.0157
0.0172
0.0247
0.0391
0.0600
0.0719
DCR
0.105
0.143
0.163
0.247
0.376
0.574
0.861
Typ.
1.08
1.47
1.66
(Ω Ω )
(4)
Volt-µSec
Typ.
3.50
4.90
6.30
7.70
9.10
11.9
14.7
16.1
17.5
20.3
25.9
31.5
37.1
44.1
48.3
53.9
65.1
80.5
97.3
117
141
155
172
(5)