Series Number
3004 9th Avenue SW
3005 9th Avenue SW
DH8950
Watertown, SD 57202
Watertown, SD 57203
DH1364
Toll free: 888-978-2639
Toll free: 888-978-2640
DH2280
Ph: 605-886-3327
Ph: 605-886-3328
Fax: 605-886-8996
Fax: 605-886-8997
SMD Unshielded Self-Leaded Inductor ; Part Numbering Sequence: ( Series Number ) - ( Suffix Code )(Tolerance), example DH1364-100M
Bulk Packaging add (-B) to end of Part Numbering Sequence. example DH1364-100M-B
Series
Number
Units
L
W
H
A
B
C
inches
0.362"
0.252"
0.197"
0.160"
0.075"
0.200"
[ mm ]
[ 9.19 ]
[ 6.40 ]
[ 5.00 ]
[ 4.06 ]
[ 1.91 ]
[ 5.08 ]
inches
0.522"
0.392"
0.250"
0.160"
0.060"
0.400"
[ mm ]
[ 13.26 ]
[ 9.96 ]
[ 6.35 ]
[ 4.06 ]
[ 1.52 ]
[ 10.16 ]
inches
0.880"
0.640"
0.315"
0.340"
0.125"
0.690"
[ mm ]
[ 22.35 ]
[ 16.26 ]
[ 8.00 ]
[ 8.64 ]
[ 3.18 ]
[ 17.53 ]
DH8950
DH1364
DH2280
Significant Digit
L
1
Suffix
DCR
2
I
SAT
4
I
RMS
5
Tolerance
DCR
2
I
SAT
3
I
RMS
5
Tolerance
DCR
2
I
SAT
3
I
RMS
5
Tolerance
Dot Code
H
Codes
A
Suffix
6
A
Suffix
6
A
Suffix
6
1st
2nd
3rd
0.33
R33
0.002
20.0
16.0
M
Orange
Orange
Brown
0.56
R56
0.010
7.7
6.00
M
Green
Blue
Brown
0.68
R68
0.005
13.0
12.0
M
Blue
Grey
Brown
0.78
R78
0.0026
30.0
15.0
M
Violet
Grey
Brown
1.0
1R0
0.006
11.0
10.0
M
Brown
Black
Red
1.2
1R2
0.017
5.3
4.40
M
Brown
Red
Red
1.5
1R5
0.008
9.0
9.0
M
0.0040
25.0
15.0
M
Brown
Green
Red
2.2
2R2
0.035
3.5
3.10
M
0.011
7.8
7.4
M
0.0061
20.0
12.0
M
Red
Red
Red
2.7
2R7
0.012
7.0
6.6
M
Red
Violet
Red
3.3
3R3
0.014
6.4
5.9
M
0.0086
17.0
10.0
M
Orange
Orange
Red
3.9
3R9
0.0100
15.0
9.0
M
Orange
White
Red
4.7
4R7
0.054
2.6
2.20
M
0.018
5.4
4.8
M
0.0140
13.0
8.4
M
Yellow
Violet
Red
6.0
6R0
0.0170
12.0
7.5
M
Blue
Black
Red
6.8
6R8
0.035
3.6
4.5
M
Blue
Grey
Red
7.8
7R8
0.0180
11.0
7.5
M
Violet
Grey
Red
10
100
0.111
1.9
1.50
M
0.040
3.30
4.50
M
0.0260
10.0
6.0
M
Brown
Black
Orange
15
150
0.170
1.5
1.20
M
0.060
2.40
3.50
M
0.0320
8.0
4.4
M
Brown
Green
Orange
22
220
0.250
1.20
1.00
M
0.080
2.00
2.80
M
Red
Red
Orange
33
330
0.370
0.99
0.82
M
0.150
1.70
2.10
M
Orange
Orange
Orange
47
470
0.470
0.87
0.72
M
0.280
1.40
1.70
M
Yellow
Violet
Orange
68
680
0.300
1.20
1.50
M
Blue
Grey
Orange
100
101
0.400
0.95
1.2
M
Brown
Black
Yellow
1) Tolerance 20%, Tested at 100kHz, 100mVrms @20C. DH8950 series tested at 100kHz, 250mVrms @20C.
2) DCRs (DC resistances) are maximums @20C.
3) DC (Direct Current) current applied to produce a typical 10% drop from measured nominal inductance.
4) DC (Direct Current) current applied to produce a typical 30% drop from measured nominal inductance.
5) Current applied to produce a typical 40C temperature rise from measured nominal inductance.
6) Tolerance M = 20%
Call Toll Free: 888-978-2638 Website: www.coev.net
DH2280
Maximum Dimensions
Nominal Dimensions
DH8950
DH1364
B
A
C
B
Suggested Land Pattern
DH8950
Suffix Code
XXX
1st significant digit
3rd significant digit
2nd significant digit
Parts will be marked with Significant Digit Dots OR Suffix code
H
L
W
Suggested Land Pattern
DH1364 & DH2280
B
A
C
B
Specifications subject to change without notice
Features:
High energy sotrage and low resistance
Ideal for DC-DC step-up or step-down
conversion
Reliable surface mounting, flat top for
pick and place
Robust temperature deflection to prevent
damage during solder reflow
Item
Specification
Test Method/Condition
Environmental
Static Humidity
After exposure part remains within
specified electrical parameters for
L, Q and DCR.
Storage Life
After exposure part remains within
specified electrical parameters for
L, Q and DCR.
Temperature Cycle
After exposure part remains within
10 cycles (Air to Air) 1 cycle shall consist of:
specified electrical parameters for
30 minutes exposure to +85C
L, Q and DCR.
30 minutes exposure to -40C
Allow 20 minutes transition between extremes.
Temperature Shock
After exposure part remains within
10 cycles (Air to Air) 1 cycle shall consist of:
specified electrical parameters for
30 minutes exposure to -55C
L, Q and DCR.
30 minutes exposure to +125C
15 seconds maximum transition between temperatures
General
Storage Temperature
Range
-40C to +85C
Operating Temperature
Range
-40C to +85C
Flammability
IEC 695-2-2
Withstands needle-flame test
Other
Vibration
After exposure part remains within
1 cycle of 30 minutes of the following:
specified electrical parameters for
5 - 7 Hz constant displacement of 0.75 inches, 5 minutes
L, Q and DCR.
7 - 30 Hz constant acceleration of 1.5 Gs, 10 minutes
31 - 50 Hz constant displacement of 0.33 inches, 5 minutes
50 - 500 Hz constant acceleration of 1.2 Gs, 10 minutes
Mechanical Shock
After exposure part remains within
DH8950 Series - 2000 Gs per axis, 2 directions
specified electrical parameters for
DH1364 Series - 500 Gs per axis, 2 directions
L, Q and DCR.
DH2280 Series - 500 Gs per axis, 2 directions
Solderability
Wetting shall cover 90% minimum of
each termination
Dip pads in RMA
flux, 63/37 solder
(Sn/Pb) at 232C for
5 seconds 2
seconds.
Component Adhesion
(Push Test)
Component shall withstand 6 lb. push
force minimum without delaminating
from mounting surface.
Apply and measure force with a digital force gauge set.
Resistance to Solvent
Withstands 6 minutes of alcohol.
Withstands 3 minutes forced spray Freon TMS
Chemical
Ionic Contamination
Conductivity:
11 Ohms/cm maximum
pH:
5.5 to 9
Chlorides:
65 ppm maximum
Sodium:
20 ppm maximum
Potassium:
10 ppm maximum
Series
Revision
Sheet 3 of 3
Subject parts to an environment of 85C 85% R.H. for 168 hours.
After exposure allow parts to dry for 4 hours before measurements
are taken.
Precondition at 25C for 60 minutes. Expose parts to an
environment of +40C with 90 to 95% R.H. for 240 hours.
DH SERIES
B
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