
Series Number
DS6630
DS1137
DS1145
DS1351
DS1976
3003 9th Avenue SW
PO Box 50
Watertown, SD 57201
Toll free: 888-978-2638
Ph: 605-886-3326
Fax: 605-886-8995
Shielded Drum Core Inductors, Tape and Reel Easy Part Numbers: ( Series Number ) - ( Suffix Code )(Tolerance), example DS1137-150M
Bulk Packaging add (-B) to end of Part Numbering Sequence. example DS1137-150M-B
Series
Number
Maximum Dimensions
W
0.260"
0.177"
[ 6.60 ]
[ 4.50 ]
0.421"
0.323"
[ 10.70 ]
[ 8.20 ]
0.421"
0.323"
[ 10.70 ]
[ 8.20 ]
0.510"
0.398"
[ 12.95 ]
[ 10.10 ]
0.730"
0.600"
[ 18.54 ]
[ 15.25 ]
Reference Dimensions
A
0.050"
0.140"
[ 1.27 ]
[ 3.56 ]
0.079"
0.087"
[ 2.00 ]
[ 2.20 ]
0.079"
0.087"
[ 2.00 ]
[ 2.20 ]
0.100"
0.110"
[ 2.54 ]
[ 2.80 ]
0.100"
0.110"
[ 2.54 ]
[ 2.79 ]
L
H
Y
Z
B
C
0.115"
[ 2.92 ]
0.146"
[ 3.70 ]
0.177"
[ 4.50 ]
0.201"
[ 5.10 ]
0.300"
[ 7.62 ]
0.170"
[ 4.32 ]
0.236"
[ 6.00 ]
0.236"
[ 6.00 ]
0.300"
[ 7.62 ]
0.500"
[ 12.70 ]
0.055"
[ 1.40 ]
0.094"
[ 2.40 ]
0.094"
[ 2.40 ]
0.118"
[ 3.00 ]
0.115"
[ 2.92 ]
0.160"
[ 4.06 ]
0.224"
[ 5.70 ]
0.224"
[ 5.70 ]
0.290"
[ 7.37 ]
0.490"
[ 12.45 ]
L
7
μH
1.0
1.5
2.2
3.3
3.9
4.7
5.0
5.6
6.8
7.5
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
680
1000
1500
2200
3300
4700
6800
10000
Suffix
Codes
1R0
1R5
2R2
3R3
3R9
4R7
5R0
5R6
6R8
7R5
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
271
331
391
471
681
102
152
222
332
472
682
103
DCR
1
W
0.040
0.045
0.050
0.055
I
MAX
2-4
Tolerance
Suffix
6
M
M
M
M
DCR
1
W
I
SAT
A
3
I
RMS
A
5
Tolerance
Suffix
6
DCR
1
W
I
SAT
A
3
I
RMS
A
5
Tolerance
Suffix
6
DCR
1
W
0.021
0.022
0.032
0.039
I
SAT
A
5.80
5.20
5.00
3.90
3
I
RMS
A
5.00
4.50
3.80
3.30
5
Tolerance
Suffix
6
M
M
M
M
DCR
1
W
A
3.0
2.8
1.8
1.6
0.040
2.50
2.50
M
0.055
2.10
2.10
M
0.060
1.4
M
0.054
2.80
2.70
M
0.080
1.70
1.70
M
0.065
1.95
1.95
M
0.065
1.2
M
0.075
2.80
2.20
M
0.100
1.40
1.40
M
0.080
0.100
0.120
0.140
0.160
0.180
0.200
0.240
0.350
0.425
0.530
0.668
0.730
1.050
1.120
1.75
1.50
1.40
1.30
1.20
1.10
1.00
0.92
0.84
0.75
0.68
0.60
0.54
0.50
0.45
1.75
1.50
1.40
1.30
1.20
1.10
1.00
0.92
0.84
0.75
0.68
0.60
0.54
0.50
0.45
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0.075
1.0
M
0.165
0.172
0.181
0.190
0.250
0.270
0.300
0.380
0.580
0.620
0.920
0.980
1.20
1.10
1.00
0.90
0.80
0.70
0.65
0.60
0.55
0.50
0.45
0.40
1.20
1.10
1.00
0.90
0.80
0.70
0.65
0.60
0.55
0.50
0.45
0.40
M
M
M
M
M
M
M
M
M
M
M
M
0.101
2.40
2.00
M
0.040
7.00
3.60
M
0.090
0.80
M
0.150
2.00
1.50
M
0.048
5.60
3.20
M
0.110
0.70
M
0.207
1.50
1.30
M
0.059
5.00
2.80
M
0.190
0.60
M
0.334
1.40
1.10
M
0.075
4.50
2.60
M
0.230
0.50
M
0.472
1.00
0.80
M
0.097
4.00
2.40
M
0.290
0.40
M
0.138
3.00
2.00
M
0.480
0.3
M
0.207
2.40
1.70
M
0.590
0.26
M
0.293
2.10
1.30
M
0.770
0.22
M
0.470
1.90
1.10
M
1.40
0.2
M
0.780
1.10
0.86
M
1.80
2.20
3.40
4.20
8.50
11.00
25.20
30.80
39.60
0.19
0.18
0.15
0.12
0.10
0.08
0.06
0.04
0.02
M
M
M
M
M
M
M
M
M
1.080
1.400
2.010
1.10
0.96
0.80
0.73
0.64
0.53
M
M
M
1) DCRs (DC resistances) are maximums @20°C.
2) Total current rating (IDC + IAC)
3) DC (Direct Current) current applied to produce a typical 10% drop in nominal inductance.
4) DC (Direct Current) current applied to produce a typical 30°C temperature rise.
5) DC (Direct Current) current applied to produce a typical 40°C temperature rise.
6) Suffix of M = ±20%
7) Inductance measured at 100kHz and 100mV
Call Toll Free: 888-978-2638 Website: www.coev.net
DS1976
DS6630
DS1137
DS1351
DS1145
DS6630
DS1137
DS1145
DS1351
B
A
C
B
Suggested Land Pattern
Features:
High energy storage and low resistance.
Ideal for DC-DC buck or boost conversion.
Reliable surface mounting.
Drop-in replacements for industry prevalent competitor series.
Robust temperature deflection to prevent damage during solder reflow.
Tape and Reel mechanical specifications available upon request.
Operating temperature range -40°C to +85°C.
W
H
Y
L
Z
Suffix Code
X
1st significant digit
3rd significant digit
2nd significant digit
Parts will be marked with Significant Digit Dots OR Suffix code
Specifications subject to change without notice