Document 177-1
SMT Power Inductors – DO1608 Series
The DO1608 Series has a footprint of only 0.26″ × 0.175″
(6,6 mm × 4,5 mm). Their high energy storage and very
low resistance make them the ideal inductors for DC-DC
conversion in notebook computers, PDAs, step-up or
step-down converters, flash memory programmers, etc.
For reliable surface mounting, we’ve designed the DO
Series with a flat top and robust temperature deflection to
prevent damage during solder reflow.
In addition to the standard versions shown here, custom
inductors are available to meet your exact requirements.
Coilcraft
Designer’s Kit C177
contains three samples
each of the parts shown. To order, please contact Coilcraft
or visit
http://order.coilcraft.com.
Part
number
1
DO1608C-102
DO1608C-152
DO1608C-222
DO1608C-332
DO1608C-472
DO1608C-682
DO1608C-103
DO1608C-153
DO1608C-223
DO1608C-333
DO1608C-473
DO1608C-683
DO1608C-104
DO1608C-154
DO1608C-224
DO1608C-334
DO1608C-474
DO1608C-684
DO1608C-105
L
±20%
2
DCR max SRF typ
Isat
3
Irms
4
(µH)
(Ohms)
(MHz)
(A)
(A)
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
470
680
1000
0.05
0.06
0.07
0.08
0.09
0.13
0.16
0.23
0.37
0.51
0.64
0.86
1.27
2.00
3.11
3.80
5.06
9.20
13.8
130
115
90
70
50
45
35
30
20
15
14
11
9
6
5.5
5
4
3
2
2.9
2.6
2.3
2.0
1.5
1.2
1.1
0.90
0.70
0.58
0.50
0.40
0.31
0.27
0.22
0.18
0.16
0.14
0.10
2.9
2.8
2.4
2.0
1.5
1.4
1.1
1.2
0.8
0.6
0.5
0.4
0.3
0.25
0.20
0.16
0.15
0.12
0.07
0.260 max
6,60
0.050
1,27
0.090
2,29
0.055
1,40
0.160
4,06
0.140
3,56
XXX
0.170 min
4,32
0.175 max
4,45
0.040
1,02
0.270
6,86
0.155
3,94 dia
0.115
max
2,92
Recommended
Land Pattern
Part Markings
Dash
number
1st
significant
digit
2nd
significant
digit
XXX
(or)
Multiplier
1. Part number on reel label will have a suffix to indicate packaging:
C = machine ready 7″ reel, B = partial reel, D = machine-ready 13″ reel.
2. Tested at 100 kHz, 0.1 Vrms, 0 Adc.
3. DC current at which the inductance drops 10% (typ) from its value
without current.
4. Average current for 15°C temperature rise from 25°C.
5. Operating temperature range
−40°C
to +85°C.
6. Electrical specifications at 25°C.
See Qualification Standards section for environmental and test data.
See Color Coding section for part marking data.
Weight:
128 – 164 mg
Terminations:
Nickel/gold over moly-manganese
Tape and reel:
750/7″ reel; 2500/13″ reel 12 mm tape width
For packaging data see Tape and Reel Specifications section.
Specifications subject to change without notice.
Please check our website for latest information.
Document 177-1
Revised 12/10/04
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