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Series Number DH8950 DH1364 DH2280
3004 9th Avenue SW Avenue SW 3005 9th Watertown, SD 57202 SD 57203 Watertown, Toll free: 888-978-2639 Toll free: 888-978-2640 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
1st significant digit
B
C
B
H
L
A
Suggested Land Pattern DH8950 Suffix Code 3rd significant digit
XXX
W
2nd significant digit
C
Series Number DH8950 DH1364 DH2280
Parts will be marked with Significant Digit Dots OR Suffix code
Maximum Dimensions L W 0.362" [ 9.19 ] 0.522" [ 13.26 ] 0.880" [ 22.35 ] 0.252" [ 6.40 ] 0.392" [ 9.96 ] 0.640" [ 16.26 ] Nominal Dimensions A B C 0.160" [ 4.06 ] 0.160" [ 4.06 ] 0.340" [ 8.64 ] 0.075" [ 1.91 ] 0.060" [ 1.52 ] 0.125" [ 3.18 ] 0.200" [ 5.08 ] 0.400" [ 10.16 ] 0.690" [ 17.53 ]
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
A
Units inches [ mm ] inches [ mm ] inches [ mm ]
H 0.197" [ 5.00 ] 0.250" [ 6.35 ] 0.315" [ 8.00 ]
B
B
Suggested Land Pattern DH1364 & DH2280
DH8950 L1 H
0.33 0.56 0.68 0.78 1.0 1.2 1.5 2.2 2.7 3.3 3.9 4.7 6.0 6.8 7.8 10 15 22 33 47 68 100
DH1364
Tolerance
DH2280
Tolerance
Significant Digit
Tolerance
Suffix Codes
R33 R56 R68 R78 1R0 1R2 1R5 2R2 2R7 3R3 3R9 4R7 6R0 6R8 7R8 100 150 220 330 470 680 101
DCR2
0.010
ISAT 4
A 7.7
IRMS5
DCR2
0.002 0.005 0.006
ISAT 3
A 20.0 13.0 11.0 9.0 7.8 7.0 6.4 5.4 3.6 3.30 2.40 2.00 1.70 1.40 1.20 0.95
IRMS5
16.0 12.0 10.0 9.0 7.4 6.6 5.9 4.8 4.5 4.50 3.50 2.80 2.10 1.70 1.50 1.2
DCR2
ISAT 3
A
IRMS5
Suffix6 6.00 M
Suffix6 M M
Suffix6
1st
Orange Green Blue Violet Brown Brown Brown Red Red Orange Orange Yellow Blue Blue Violet Brown Brown Red Orange Yellow Blue Brown
Dot Code 2nd
Orange Blue Grey Grey Black Red Green Red Violet Orange White Violet Black Grey Grey Black Green Red Orange Violet Grey Black
3rd
Brown Brown Brown Brown Red Red Red Red Red Red Red Red Red Red Red Orange Orange Orange Orange Orange Orange Yellow
0.0026 M M M M M M M M M M M M M M 0.0180 0.0260 0.0320 0.0040 0.0061 0.0086 0.0100 0.0140 0.0170 0.017 0.035 5.3 3.5 4.40 3.10 M M 0.008 0.011 0.012 0.014 0.018 0.035 0.111 0.170 0.250 0.370 0.470 1.9 1.5 1.20 0.99 0.87 1.50 1.20 1.00 0.82 0.72 M M M M M 0.040 0.060 0.080 0.150 0.280 0.300 0.400
30.0
15.0
M
25.0 20.0 17.0 15.0 13.0 12.0 11.0 10.0 8.0
15.0 12.0 10.0 9.0 8.4 7.5 7.5 6.0 4.4
M M M M M M M M M
0.054
2.6
2.20
M
1) 2) 3) 4) 5) 6)
Tolerance 20%, Tested at 100kHz, 100mVrms @20C. DH8950 series tested at 100kHz, 250mVrms @20C. DCRs (DC resistances) are maximums @20C. DC (Direct Current) current applied to produce a typical 10% drop from measured nominal inductance. DC (Direct Current) current applied to produce a typical 30% drop from measured nominal inductance. Current applied to produce a typical 40C temperature rise from measured nominal inductance. Tolerance M = 20%
Specifications subject to change without notice
Call Toll Free: 888-978-2638 Website: www.coev.net
D MAX. D 0.5
13 0.5 21 0.8
B MIN. B1
1.0
C MAX. 1 2 A2 A MAX. 0.5
Dimensions are in millimeters unless specified. Reel Qty 1000 750 250 Packaging Specification 90-0061 90-0055 90-0064
Series Number DH8950 DH1364 DH2280
Units in. [mm] in. [mm] in. [mm]
B
A 14.17" [ 360 ] 14.17" [ 360 ] 14.17" [ 360 ]
B
Reel dimensions B 3.94" [ 100.0 ] 3.94" [ 100.0 ] 3.94" [ 100.0 ]
B
C 0.882" [ 22.4 ] 1.20" [ 30.4 ] 1.98" [ 50.4 ]
B
D 0.098" [ 2.50 ] 0.098" [ 2.50 ] 0.098" [ 2.50 ]
B
B
B
B
B
B
B
PACKAGING NOTE: Only pressure sensitive cover tape is to be used.
P2 E1
4.00.1
1.5+1.0
P1
A
T
F W V B0
U A0
A
P1 0.1 P2 0.1 12.00 16.00 24.00 2.00 2.00 2.00 W 0.3 16.00 24.00 44.00 F 0.1 7.50 11.50 20.20 E1 0.1 B0 0.1 1.75 1.75 1.75 9.45 13.50 22.50
K0 0.05
K0
SECTION A-A
Series DH8950 DH1364 DH2280
A0 0.1 6.65 10.30 15.40
U 0.1 4.70 5.80 8.10
V 0.1 2.90 4.00 5.30
T 0.05 0.35 0.35 0.35
4.70 5.70 6.90
Customer Packaging Specifications
For Print Distribution to Customers
Series
Revision
DH SERIES
Sheet 2 of 3
B
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 remains within specified electrical parameters for L, Q and DCR.
Test Method/Condition Precondition at 25C for 60 minutes. Expose parts to an environment of +40C with 90 to 95% R.H. for 240 hours. 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. 10 cycles (Air to Air) 1 cycle shall consist of: 30 minutes exposure to +85C 30 minutes exposure to -40C Allow 20 minutes transition between extremes. 10 30 30 15 cycles (Air to Air) 1 cycle shall consist of: minutes exposure to -55C minutes exposure to +125C seconds maximum transition between temperatures
Storage Life
Temperature Cycle
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. 1 cycle of 30 minutes of the following: 5 - 7 Hz constant displacement of 0.75 inches, 5 minutes 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 DH8950 Series - 2000 Gs per axis, 2 directions DH1364 Series - 500 Gs per axis, 2 directions DH2280 Series - 500 Gs per axis, 2 directions -40C to +85C
-40C to +85C IEC 695-2-2 Withstands needle-flame test
Mechanical Shock
After exposure part remains within specified electrical parameters for L, Q and DCR.
Solderability
Wetting shall cover 90% minimum of each termination Component Adhesion (Push Test) Component shall withstand 6 lb. push force minimum without delaminating from mounting surface.
Dip pads in RMA flux, 63/37 solder (Sn/Pb) at 232C for 5 seconds 2 seconds. 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: pH: Chlorides: Sodium: Potassium: 11 Ohms/cm maximum 5.5 to 9 65 ppm maximum 20 ppm maximum 10 ppm maximum Series Revision
For Print Distribution to Customers
DH SERIES
Sheet 3 of 3
B

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