SMT POWER INDUCTORS
Toroid - Bobcat Series
Height:
5.5mm Max
Footprint:
12.7mm x 12.7mm Max
Current Rating:
up to 3.8A
Inductance Range:
9.4µH to 439µH
Electrical Specifications @ 25°C — Operating Temperature -40°C to +130°C
11
Part
9,10
Number
P0144NL
P0145NL
P0146NL
P0147NL
P0148NL
P0149NL
P0150NL
P0151NL
P0152NL
P0153NL
Inductance
@ Irated
(µH)
9.4
13.3
23
50
75
90
137
200
305
439
Irated
(A )
3.80
3.13
2.43
1.65
1.35
1.23
0.99
0.81
0.65
0.53
DCR
(mΩ)
TYP
27
40
65
121
181
246
387
585
845
1322
MAX
31
46
75
139
208
283
445
673
972
1520
ET
(V-µsec)
15.2
18.8
24.3
37.0
44.3
49.2
59.4
71.3
85.8
99.6
Inductance
@ 0A
DC
(µH ±20%)
10.4
14.6
25
56
83
100
152
220
331
472
100 Gauss
ET
100
(V-µsec)
2.65
3.13
4.10
6.15
7.47
8.19
10.12
12.17
14.94
17.83
1 Amp DC
H
1
(Orsted)
11.95
14.12
18.46
27.69
33.67
36.93
45.61
54.85
67.34
80.37
8. Limit the DC bias (H) to 46 orsteds. Calculate H by multiplying H
1
from the table
NOTES:
1. The reference inductance at rated DC current is a typical value.
2. Temperature rise is 50°C in typical buck or boost circuits at 250kHz and
by I
DC
of the application.
with the reference ET applied to the inductor.
9. Optional Tape & Reel packaging can be ordered by adding a "T" suffix to the part
3. Total loss in the inductor is 380mW for 50°C temperature rise above ambient.
number (i.e. P0144NL becomes P0144NLT). Pulse complies to industry standard
4. To estimate temperature rise in a given application, determine copper and
tape and reel specification EIA481.
core losses, divide by 380 and multiply by 50.
10. The "NL" suffix indicates an RoHS-compliant part number. Non-NL suffixed parts
5. For the copper loss (mW), calculate I
DC
2
X R
N
.
are not necessarily RoHS compliant, but are electrically and mechanically equivalent
6. For core loss (mW), using frequency (f in Hertz) and operating flux density
to NL versions. If a part number does not have the "NL" suffix, but an RoHS
(B in Gauss), calculate 6.11 x 10
-18
x B
2.7
x f
2.04
.
compliant version is required, please contact Pulse for availability.
7. For flux density (B in Gauss), calculate ET (V-µsec) for the application, divide 11. The temperature of the component (ambient plus temperature rise) must be within
by ET
100
from the table, and multiply by 100.
the stated operating temperature range.
Mechanical
2X .060
1,52
Schematic
.500 MAX
12,70
.470
11,94
1
R
Suggested Pad Layout
.400
10,16
2
.215 MAX
5,46
.390
9,91
.500 MAX
12,70
.220
5,59
.005/0,13
4 SURFACES
Weight
. . . . . . . . 1.5 grams
Tape & Reel
. . . . . . 500/reel
Tube
. . . . . . . . . . . . 40/tube
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
.510
12,95
.945
± .012
24,00
± 0,30
TAPE & REEL LAYOUT
.510
12,95
.630
16,00
USER DIRECTION OF FEED
USA 858 674 8100
•
Germany 49 7032 7806 0
•
Singapore 65 6287 8998
•
Shanghai
86 21 54643211 / 2
•
China 86 755 33966678
•
Taiwan 886 3 4641811
www.pulseeng.com
71
SPM2007 (11/07)
DSP and ARM Processors
京公网安备 11010802033920号
EEWORLD
