DRQ74-821-R Coiltronics/Div of Cooper/Bussmann, DRQ74-821-R Datasheet - Page 3
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DRQ74-821-R
Manufacturer Part Number
DRQ74-821-R
Description
INDUCTOR SHIELD DUAL 820UH SMD
Manufacturer
Coiltronics/Div of Cooper/Bussmann
Series
DRQr
Datasheet
1.DRQ73-220-R.pdf
(7 pages)
Specifications of DRQ74-821-R
Inductance Per Coil
812.7µH
Number Of Coils
2
Current
156mA
Tolerance
±20%
Inductance - Connected In Series
3.25mH
Inductance - Connected In Parallel
812.7µH
Dc Resistance (dcr)
5.850 Ohm
Package / Case
0.299" L x 0.299" W x 0.175" H (7.60mm x 7.60mm x 4.45mm)
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
513-1279-2
DRQ74-821
DRQ74-821
DRQ74-821-R
DRQ74-821R
DRQ74-821
DRQ74-821
DRQ74-821-R
DRQ74-821R
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DRQ74-821-R
Manufacturer:
EATON/COOPER
Quantity:
20 000
1) Open Circuit Inductance Test Parameters: 100kHz, 0.25 V rms , 0.0 Adc
2) RMS current for an approximate T of 40°C without core loss. It is recommended that the
3) Peak current for approximately 30% roll-off at 20°C
4) DCR limits @ 20°C
5) Applied Volt-Time product (V-µS) across the inductor. This value represents the applied V-µS
1207
Part Number
DRQ125-820-R
DRQ125-101-R
DRQ125-151-R
DRQ125-221-R
DRQ125-331-R
DRQ125-471-R
DRQ125-681-R
DRQ125-821-R
DRQ125-102-R
DRQ127-R47-R
DRQ127-1R0-R
DRQ127-1R5-R
DRQ127-2R2-R
DRQ127-3R3-R
DRQ127-4R7-R
DRQ127-6R8-R
DRQ127-8R2-R
DRQ127-100-R
DRQ127-150-R
DRQ127-220-R
DRQ127-330-R
DRQ127-470-R
DRQ127-680-R
DRQ127-820-R
DRQ127-101-R
DRQ127-151-R
DRQ127-221-R
DRQ127-331-R
DRQ127-471-R
DRQ127-681-R
DRQ127-821-R
DRQ127-102-R
Parallel: (1,2 -4,3) Series: (1-4) tie (2-3)
temperature of the part not exceed 125°C.
at 100KHz necessary to generate a core loss equal to 10% of the total losses for a 40°C
temperature rise.
BU-SB07326
Inductance
Rated
1000
1000
(µH)
82.0
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
100
150
220
330
470
680
820
+/-20%
OCL
86.89
102.7
151.1
216.8
332.6
473.1
679.8
828.0
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
1008
1005
(µH)
(1)
I rms
Amps
2.05
1.78
1.48
1.19
1.06
0.87
0.70
0.60
0.57
17.9
15.5
13.5
12.5
10.4
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)
Parallel Ratings
Amps
I sat
Peak
2.39
2.20
1.81
1.51
1.22
1.02
0.85
0.77
0.70
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
Page 3 of 7
(3)
DCR
0.00195
0.00261
0.00341
0.00373
0.00567
0.00917
0.0116
0.0157
0.0172
0.0247
0.0391
0.0600
0.0719
0.128
0.170
0.248
0.384
0.482
0.718
0.105
0.143
0.163
0.247
0.376
0.574
0.861
1.10
1.49
1.69
1.08
1.47
1.66
typ.
(4)
µ-Sec
Volt
6) Turns Ratio (1:3):(2-4) 1:1
7) Part number definition: DRQxxx-yyy-R
43.7
47.5
57.6
69.0
85.5
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
102
122
135
149
117
141
155
172
DRQxxx = 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
(5)
+/-20%
OCL
347.6
410.8
604.4
867.2
1.676
3.284
5.428
8.108
11.32
19.36
29.55
35.44
41.88
56.36
91.72
135.7
188.2
265.9
319.0
397.2
579.6
886.0
1330
1892
2719
3312
4032
1294
1868
2707
3272
4020
(µH)
(1)
Data Sheet 4311
I rms
Amps
0.892
0.739
0.594
0.530
0.434
0.350
0.301
0.283
0.980
0.796
0.645
0.522
0.427
0.380
0.325
0.307
1.03
8.94
7.74
6.77
6.23
5.23
4.13
3.67
3.16
3.02
2.51
2.00
1.61
1.47
1.22
1.04
(2)
Series Ratings
Amps
I sat
0.905
0.755
0.610
0.510
0.425
0.385
0.350
0.838
0.697
0.633
0.571
Peak
1.20
1.10
15.6
12.7
10.8
8.24
6.67
6.09
5.60
4.83
3.78
3.11
2.64
2.22
2.03
1.82
1.51
1.22
1.01
28
20
(3)
DCR
0.0078
0.0104
0.0137
0.0161
0.0229
0.0367
0.0465
0.0627
0.0686
0.0990
0.515
0.682
0.991
0.157
0.241
0.288
0.421
0.573
0.653
0.989
typ.
1.54
1.93
2.87
4.42
5.96
6.76
1.50
2.30
3.44
4.32
5.88
6.64
(4)
µ-Sec
Volt
115.2
12.60
107.8
130.2
87.4
95.0
7.00
9.80
15.4
18.2
23.8
29.4
32.2
35.0
40.6
51.8
63.0
74.2
88.2
96.6
138
171
204
244
270
298
161
195
234
282
310
344
(5)