Series Number
3003 9th Avenue SW
PO Box 50
Watertown, SD 57201
Toll free: 888-978-2638
Ph: 605-886-3326
Fax: 605-886-8995
SMD Unshielded Power Inductor Series; Part Numbering Sequence: ( Series Number ) - ( Suffix Code )(Tolerance), example DU1330-220M
Bulk Packaging add (-B) to end of Part Numbering Sequence. example DU1330-220M-B
1st significant digit
DU6629
DU1330
DU1352
DU1311
DU1971
H
Z
L
B
C
B
XXX
W
A
Suffix Code
Suggested Land Pattern
3rd significant digit
2nd significant digit
Parts will be marked with Significant Digit Dots OR Suffix code
Series
Number
DU6629
DU1330
DU1352
DU1311
DU1971
Units
inches
[ mm ]
inches
[ mm ]
inches
[ mm ]
inches
[ mm ]
inches
[ mm ]
Maximum Dimensions
L
W
0.260"
[ 6.60 ]
0.510"
[ 12.95 ]
0.510"
[ 12.95 ]
0.510"
[ 12.95 ]
0.730"
[ 18.54 ]
0.177"
[ 4.50 ]
0.370"
[ 9.40 ]
0.370"
[ 9.40 ]
0.370"
[ 9.40 ]
0.600"
[ 15.24 ]
H
0.115"
[ 2.92 ]
0.130"
[ 3.30 ]
0.205"
[ 5.21 ]
0.450"
[ 11.43 ]
0.291"
[ 7.40 ]
Y
0.190"
[ 4.83 ]
0.300"
[ 7.62 ]
0.300"
[ 7.62 ]
0.300"
[ 7.62 ]
0.500"
[ 12.70 ]
Z
Nominal Dimensions
A
B
0.140"
[ 3.56 ]
0.110"
[ 2.79 ]
0.110"
[ 2.79 ]
0.110"
[ 2.79 ]
0.110"
[ 2.79 ]
0.055"
[ 1.40 ]
0.115"
[ 2.92 ]
0.115"
[ 2.92 ]
0.115"
[ 2.92 ]
0.115"
[ 2.92 ]
C
0.160"
[ 4.06 ]
0.290"
[ 7.37 ]
0.290"
[ 7.37 ]
0.290"
[ 7.37 ]
0.490"
[ 12.45 ]
Y
Features:
High enerty storage 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 provent damage
during solder reflow
Drop in replacements for industry prevalent
competitor series
Operating temperature -40°C to +85°C
0.050"
[ 1.27 ]
0.100"
[ 2.54 ]
0.100"
[ 2.54 ]
0.100"
[ 2.54 ]
0.100"
[ 2.54 ]
DU6629
L
1
µH
1.0
1.5
2.2
3.3
4.7
5.6
6.8
8.0
10
15
22
33
47
68
100
150
220
330
470
680
1000
DU1330
Tolerance
Suffix
4
M
M
M
M
M
M
DU1352
Tolerance
Suffix
4
DU1311
Tolerance
Suffix
4
M
M
M
M
M
M
DU1971
Tolerance
Suffix
4
Significant Digit
Tolerance
Suffix
4
M
M
M
M
Suffix
Codes
1R0
1R5
2R2
3R3
4R7
5R6
6R8
8R0
100
150
220
330
470
680
101
151
221
331
471
681
102
DCR
2
Ω
0.050
0.050
0.070
0.080
0.090
0.130
0.160
0.230
0.370
0.510
0.640
0.860
1.270
2.000
3.110
4.800
6.600
9.200
13.800
I
SAT3
A
2.90
2.60
2.30
2.00
1.50
1.20
1.10
0.90
0.70
0.58
0.50
0.40
0.31
0.27
0.22
0.18
0.16
0.10
0.10
1)
2)
3)
4)
5)
I
RMS5
A
2.90
2.80
2.40
2.00
1.50
1.40
DCR
2
Ω
I
SAT3
A
I
RMS5
A
DCR
2
Ω
0.0092
0.0104
0.0120
0.0150
0.0184
0.0270
I
SAT3
A
9.00
8.00
7.00
6.40
5.40
4.60
3.80
3.00
2.60
2.00
1.60
1.40
1.20
1.00
0.80
0.60
0.50
0.40
0.30
I
RMS6
A
6.80
6.40
6.10
5.40
4.80
4.40
3.90
3.10
2.70
2.10
1.80
1.50
1.30
1.00
0.80
0.60
0.50
0.40
0.30
DCR
2
Ω
I
SAT3
A
I
RMS7
A
DCR
2
Ω
0.009
0.014
0.018
I
SAT3
A
20.00
16.00
14.00
I
RMS7
A
8.60
7.10
6.20
5.30
Dot Code
1st 2nd 3rd
BRN BLK RED
BRN GRN RED
RED RED RED
ORG ORG RED
YEL VIO RED
GRN BLU RED
BLU GRY RED
GRY BLK RED
BRN BLK ORG
BRN GRN ORG
RED RED ORG
ORG ORG ORG
YEL VIO ORG
BLU GRY ORG
BRN BLK YEL
BRN GRN YEL
RED RED YEL
ORG ORG YEL
YEL VIO YEL
BLU GRY YEL
BRN BLK GRN
1.30
M
0.110
2.40
2.00
M
0.0380
1.20
M
0.150
2.00
1.50
M
0.0460
0.80
M
0.230
1.60
1.30
M
0.0850
0.60
M
0.300
1.40
1.10
M
0.1012
0.50
M
0.390
1.00
0.80
M
0.1400
0.40
M
0.660
0.90
0.70
M
0.2000
0.30
M
0.840
0.70
0.60
M
0.2800
0.25
M
1.200
0.60
0.50
M
0.4000
0.20
M
1.900
0.50
0.40
M
0.6100
0.16
M
2.700
0.40
0.30
M
1.0200
0.15
M
4.000
0.30
0.20
M
1.2700
0.12
M
5.300
0.20
0.10
M
2.0200
0.07
M
8.400
0.10
0.05
M
3.0000
Tested at 100kHz, 100mVrms @20°C
DCRs (DC resistances) are maximums @20°C.
DC (Direct Current) current applied to produce a typical 10% drop in inductance.
Suffix of M=20%
Current applied to produce a typical 30°C temperature rise from nominal inductance.
0.020
12.00
0.015
10.00
5.00
M
0.022
9.50
4.00
M
M
0.040
8.00
3.50
M
0.031
10.00
M
0.050
7.00
3.00
M
0.036
8.00
M
0.070
5.50
2.50
M
0.047
7.00
M
0.080
4.00
2.00
M
0.066
5.50
M
0.110
3.80
1.60
M
0.086
4.50
M
0.170
3.00
1.20
M
0.130
3.50
M
0.220
2.50
1.20
M
0.190
3.00
M
0.340
2.00
0.90
M
0.250
2.60
M
0.440
1.60
0.70
M
0.380
2.40
M
0.700
1.20
0.60
M
0.560
1.90
M
0.950
1.00
0.30
M
0.850
1.40
M
1.200
1.00
0.20
M
1.100
1.20
M
2.000
0.80
0.10
M
1.800
1.00
6) Current applied to produce a typical 15°C temperature rise from nominal inductance.
7) Current applied to produce a typical 40°C temperature rise from nominal inductance.
4.30
4.00
3.50
3.00
2.60
2.30
1.80
1.50
1.20
1.00
0.82
0.72
0.56
M
M
M
M
M
M
M
M
M
M
M
M
M
Specifications subject to change without notice.
Call Toll Free: 888-978-2638 Website: www.tycopowercomponents.com
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.
After exposure part remains
within specified electrical
parameters for L, Q and DCR.
Temperature Shock
General
Storage Temperature
Range
Operating Temperature
Range
Flammability
Other
Vibration
-40°C to +85°C
-40°C to +85°C
IEC 695-2-2
Withstands needle-flame test
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.
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
Component Adhesion
(Push Test)
Resistance to Solvent
Wetting shall cover 90% minimum
of each termination
4 pounds
No sign of degradation in
appearance or marking detail.
After exposure, part shall not
have a shorted or open winding.
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.
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
DU SERIES
Sheet 3 of 3
C
Programming Basics
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