DR73-681-R Cooper/Bussmann, DR73-681-R Datasheet - Page 2

• Manufacturer Part Number: DR73-681-R
• Description: Power Inductors 680uH 0.31A 3.47ohms
• Manufacturer: Cooper/Bussmann

Specifications of DR73-681-R

• Inductance: 680 uH
• Tolerance: 20 %
• Maximum Dc Current: 0.31 Amp
• Maximum Dc Resistance: 3.47 Ohms
• Dimensions: 7.6 mm W x 7.6 mm L x 3.55 mm H
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(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.
DR125-R47-R
DR125-1R0-R
DR125-1R5-R
DR125-2R2-R
DR125-3R3-R
DR125-4R7-R
DR125-6R8-R
DR125-8R2-R
DR125-100-R
DR125-150-R
DR125-180-R
DR125-220-R
DR125-330-R
DR125-470-R
DR125-560-R
DR125-680-R
DR125-820-R
DR125-101-R
DR125-151-R
DR125-221-R
DR125-331-R
DR125-471-R
DR125-681-R
DR125-821-R
DR125-102-R
DR125-472-R
DR125-124-R
Part Number
DR74-R33-R
DR74-1R0-R
DR74-1R5-R
DR74-2R2-R
DR74-3R3-R
DR74-4R7-R
DR74-6R8-R
DR74-8R2-R
DR74-100-R
DR74-150-R
DR74-220-R
DR74-330-R
DR74-470-R
DR74-680-R
DR74-820-R
DR74-101-R
DR74-151-R
DR74-221-R
DR74-331-R
DR74-471-R
DR74-681-R
DR74-821-R
DR74-102-R
BU-SB07327
Inductance
120000
Rated
1000
1000
4700
(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
0.47
1.00
1.50
2.20
3.30
4.70
6.80
8.20
10.0
15.0
18.0
22.0
33.0
47.0
56.0
68.0
82.0
100
150
220
330
470
680
820
100
150
220
330
470
680
820
+/-20%
120630
OCL
0.294
0.952
1.422
1.986
3.396
5.182
7.344
8.566
9.882
16.09
21.73
33.01
49.64
69.67
80.95
101.6
150.0
227.0
335.6
465.3
671.2
812.7
0.456
0.894
1.478
2.208
3.084
5.274
6.588
8.048
9.654
15.35
17.70
22.36
33.74
47.47
55.24
67.91
86.89
102.7
151.1
216.8
332.6
473.1
679.8
828.0
1009
1008
4720
(µH)
(1)
Page 2 of 6
I rms
Amps
0.268
0.060
6.26
5.39
4.94
4.76
3.94
3.34
2.60
2.53
2.41
2.11
1.75
1.41
1.15
1.03
0.91
0.86
0.69
0.56
0.45
0.40
0.33
0.31
0.27
17.6
15.0
13.8
10.9
9.26
7.18
6.64
5.54
5.35
4.27
3.81
3.70
3.28
2.71
2.31
2.22
2.05
1.78
1.48
1.19
1.06
0.87
0.70
0.60
0.57
(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
0.069
Peak
18.4
10.2
8.35
7.06
5.40
4.37
3.67
3.40
3.17
2.48
2.13
1.73
1.41
1.19
1.11
0.99
0.81
0.66
0.54
0.46
0.38
0.35
0.31
33.0
23.6
18.3
15.0
12.7
9.71
8.68
7.86
7.17
5.69
5.32
4.71
3.84
3.24
3.00
2.70
2.39
2.20
1.81
1.51
1.22
1.02
0.85
0.77
0.70
0.32
(3)
Data Sheet 4315
0.0074
0.0099
0.0118
0.0126
0.0183
0.0254
0.0418
0.0441
0.0489
0.0637
0.0925
0.0018
0.0024
0.0029
0.0045
0.0063
0.0105
0.0123
0.0176
0.0189
0.0298
0.0377
0.0396
0.0505
0.0740
DCR
0.143
0.216
0.265
0.345
0.383
0.591
0.907
0.102
0.101
0.128
0.170
0.248
0.384
0.482
0.718
Typ.
1.41
1.74
2.58
2.93
3.89
1.10
1.49
1.69
7.53
(Ω Ω )
150
(4)
Volt-µSec
322.4
1521
Typ.
1.71
3.08
3.76
4.45
5.81
7.18
8.55
9.23
9.92
12.7
14.7
18.1
22.2
26.3
28.4
31.8
38.6
47.5
57.8
68.1
81.7
89.9
3.17
4.43
5.70
6.97
8.23
10.8
12.0
13.3
14.6
18.4
19.6
22.2
27.2
32.3
34.8
38.6
43.7
47.5
57.6
69.0
85.5
100
102
122
135
149
(5)