Document 178-1
SMT Power Inductors – DT1608 Series
The Coilcraft DT1608 Series represents the ultimate in
cost-effective, miniature power inductors. The DT Series is
magnetically shielded and the materials used provide
natural heat sinking. This allows these parts to be used at
relatively high currents. Even at 150% of rated current, the
temperature rise is less than 15°C.
Because of their “swinging” inductance vs current char-
acteristics, the DT1608 Series can be used as ultra high
L inductors at zero or low current.
For free evaluation samples or to order, contact Coilcraft
or visit
www.coilcraft.com.
Specifications
Part
number
1
DT1608C-102
DT1608C-152
DT1608C-222
DT1608C-332
DT1608C-472
DT1608C-682
DT1608C-103
DT1608C-153
DT1608C-223
DT1608C-333
DT1608C-473
DT1608C-683
DT1608C-104
DT1608C-154
DT1608C-224
DT1608C-334
DT1608C-474
DT1608C-684
DT1608C-105
Inductance
±20%
2
(µH)
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
DCR max
(Ohms)
0.065
0.070
0.075
0.080
0.085
0.090
0.125
0.135
0.160
0.275
0.300
0.575
1.10
1.40
2.25
2.90
3.60
4.55
8.10
SRF typ
(MHz)
180
120
100
70
60
50
45
35
25
20
17
14
2
7
7
6
4
3.5
2.5
Inductance
rating
3
(µH)
0.60
0.80
0.90
1.5
2.0
3.0
5.0
6.0
10
12
20
30
40
60
90
100
150
200
400
Operating Parameters
Current
rating
4
(A)
2.0
1.9
1.5
1.2
1.2
1.0
0.7
0.6
0.5
0.45
0.34
0.29
0.24
0.20
0.17
0.16
0.14
0.12
0.08
Energy
Switching
storage max frequency
(µJoules)
max
1.8
1.8
1.8
1.4
1.6
1.9
1.2
1.1
1.2
1.5
1.3
1.4
1.5
1.4
1.6
1.4
1.5
1.4
1.4
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
500 kHz
500 kHz
500 kHz
500 kHz
500 kHz
500 kHz
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. Inductance tested at 0.1 Vrms, 100 kHz, 0 Adc.
3. Measured at the rated current. Refer to L vs Current curves for more detail.
4. Average maximum allowable current. DT Series inductors are designed for current spikes as high as 2 × the current rating.
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 information.
Specifications subject to change without notice.
Document 178-1
Revised 10/31/03
Document 178-2
SMT Power Inductors – DT1608 Series
Typical L vs Current
10000
0.160
dia
4,06
1st
significant
digit
2nd
significant
digit
0.115
max
2,92
1000
Multiplier
Inductance (µH)
100
0.260 max
6,60
0.050
1,27
0.055
1,40
0.090
2,29
0.160
4,06
0.140
3,56
10
0.175 max
4,45
1
0.170 min
4,32
0.040
1,02
0.270
6,86
Recommended
Land Pattern
0.1
0.01
0.1
1
10
Weight:
136 – 157 mg
Tape and reel:
750/7″ reel; 2500/13″ reel 12 mm tape width
For packaging data see Tape and Reel Specifications section.
Current (A)
Specifications subject to change without notice.
Document 178-2
Revised 04/09/04
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