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-
Bulk Packaging add (-B) to end of Part Numbering Sequence. example DS1137-150M-B
1st significant digit
H
Z
W
B
C
B
A
Suffix Code
Suggested Land Pattern
3rd significant digit
Parts will be marked with Significant Digit Dots OR Suffix code
Series
Number
DS6630
DS1137
DS1145
DS1351
DS1976
Maximum Dimensions
L
W
H
0.260"
0.177"
0.115"
[ 6.60 ]
[ 4.50 ]
[ 2.92 ]
0.421"
0.323"
0.146"
[ 10.70 ]
[ 8.20 ]
[ 3.70 ]
0.421"
0.323"
0.177"
[ 10.70 ]
[ 8.20 ]
[ 4.50 ]
0.510"
0.398"
0.201"
[ 12.95 ]
[ 10.10 ]
[ 5.10 ]
0.730"
0.600"
0.300"
[ 18.54 ]
[ 15.25 ]
[ 7.62 ]
Y
0.170"
[ 4.32 ]
0.236"
[ 6.00 ]
0.236"
[ 6.00 ]
0.300"
[ 7.62 ]
0.500"
[ 12.70 ]
Reference Dimensions
Z
A
B
0.050"
0.140"
0.055"
[ 1.27 ]
[ 3.56 ]
[ 1.40 ]
0.079"
0.087"
0.094"
[ 2.00 ]
[ 2.20 ]
[ 2.40 ]
0.079"
0.087"
0.094"
[ 2.00 ]
[ 2.20 ]
[ 2.40 ]
0.100"
0.110"
0.118"
[ 2.54 ]
[ 2.80 ]
[ 3.00 ]
0.100"
0.110"
0.115"
[ 2.54 ]
[ 2.79 ]
[ 2.92 ]
C
0.160"
[ 4.06 ]
0.224"
[ 5.70 ]
0.224"
[ 5.70 ]
0.290"
[ 7.37 ]
0.490"
[ 12.45 ]
XXX
2nd significant digit
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 s
Robust temperature deflection to prevent damage durin
Tape and Reel mechanical specifications available upon
Operating temperature range -40°C to +85°C.
DS6630
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
DS1137
Tolerance
Suffix
M
M
M
M
M
0.080
1.70
1.70
M
0.065
6
DS1145
Tolerance
Suffix
6
DS1351
Tolerance
Suffix
6
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
Ω
0.040
0.045
0.050
0.055
0.060
I
MAX2-4
A
3.0
2.8
1.8
1.6
1.4
DCR
1
Ω
I
SAT3
A
I
RMS 5
A
DCR
1
Ω
I
SAT3
A
I
RMS 5
A
DCR
1
Ω
0.021
0.022
0.032
0.039
0.054
I
SAT3
A
5.80
5.20
5.00
3.90
2.80
I
RMS 5
A
5.00
4.50
3.80
3.30
2.70
Tolerance
Suffix
M
M
M
M
M
6
DCR
1
Ω
0.040
0.055
2.50
2.10
2.50
2.10
M
M
1.95
1.95
M
0.075
2.80
2.20
M
0.065
1.2
M
0.100
1.40
1.20
1.10
1.00
0.90
0.80
0.70
0.65
0.60
0.55
0.50
0.45
0.40
1.40
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
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
0.090
0.110
0.190
0.230
0.290
0.480
0.590
0.770
1.40
1.0
0.80
0.70
0.60
0.50
0.40
0.3
0.26
0.22
0.2
M
M
M
M
M
M
M
M
M
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
0.101
0.150
0.207
0.334
0.472
2.40
2.00
1.50
1.40
1.00
2.00
1.50
1.30
1.10
0.80
M
M
M
M
M
0.040
0.048
0.059
0.075
0.097
0.138
0.207
0.293
0.470
0.780
1.80
0.19
M
2.20
0.18
M
3.40
0.15
M
4.20
0.12
M
8.50
0.10
M
11.00
0.08
M
25.20
0.06
M
30.80
0.04
M
39.60
0.02
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.
1.080
1.400
2.010
4) DC (Direct Current) current applied to produce a typical 30°C temperatur
5) DC (Direct Current) current applied to produce a typical 40°C temperatur
6) Suffix of M = ±20%
7) Inductance measured at 100kHz and 100mV
Specifications subject to change without notice
Call Toll Free: 888-978-2638 Website: www.coev.net
Item
Environmental
Static Humidity
Specification
After exposure part remains
within specified electrical
parameters for L, Q and DCR.
After exposure part remains
within specified electrical
parameters for L, Q and DCR.
After exposure, part shall not
have a shorted or open winding.
Test Method/Condition
Expose parts to an environment of +50°C with 90 to 95% R.H. for 100
hours. After exposure, allow parts to dry for 2 hours before
measurements are taken.
Subject parts to an environment of +50°C 90 to 100% R.H. for 46 to 50
hours. After exposure, allow parts to dry for 2 hours before
measurements are taken.
Per MIL-STD 202 Method 106, ten 24 hour cycles at +25°C to
+65°C at 80 to 95% R.H. During any of the first 9 cycles, inductors
are revolved from the chamber and exposed to -10°C for 3 hours.
Allow parts to dry for 2 hours before measurements are taken.
10 cycles (Air to Air) 1 cycle shall consist of:
30 minutes exposure to +85°C
30 minutes exposure to -40°C
Allow 20 minutes transition between extremes.
10 cycles (Air to Air) 1 cycle shall consist of:
30 minutes exposure to -45°C
30 minutes exposure to +125°C
15 seconds maximum transition between temperatures
Storage Life
Moisture Resistance
Temperature Cycle
After exposure part remains
within specified electrical
parameters for L, Q and DCR.
Temperature Shock
After exposure part remains
within specified electrical
parameters for L, Q and DCR.
General
Storage Temperature
Range
Operating Temperature
Range
Flammability
Other
Vibration
After exposure part remains
within specified electrical
parameters for L, Q and DCR.
Inductors shall be randomly vibrated per NAVMAT P9492
profile. Samples shall be subjected to 0.04G/Hz for a
minimum of 15 minutes per axis, for each of the three axes.
-40°C to +85°C
-40°C to +85°C
IEC 695-2-2
Withstands needle-flame test
Mechanical Shock
After exposure part remains
within specified electrical
parameters for L, Q and DCR.
Test per MIL-STD 202 method 213 test condition A, test
mounted samples 3 axes, 6 times, totaling 18 shocks.
(50Gs, 11ms, half-sine).
Solderability
Wetting shall cover 90% minimum
of each termination
4 pounds
Dip pads in RMA flux, 63/37 solder (Sn/Pb) at 232°C for 5 seconds ±2
seconds.
Apply and measure force with a digital force gauge set.
Component Adhesion
(Push Test)
Resistance to Solvent
No sign of degradation in
appearance or marking detail.
After exposure, part shall not
have a shorted or open winding.
Withstands 6 minutes of alcohol.
Withstands 3 minutes forced spray Freon TMS
Parts to be stored at 110°C for 1000 hours with rated current
applied. Parts to be tested at: start, 500 and 1000 hours. Allow
2 hours at room temperature before testing.
Load Life
Series
Revision
For Print Distribution to Customers
DS SERIES
Sheet 3 of 3
B