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
Inductance
Inductance
@ 0ADC
(µH 20ꢀ)
100 Gauss
1 Amp DC
H1
(Orsted)
9,10
DCR (mΩ)
Part
Irated
(A )
ET
(V-µsec)
@ Irated
ET100
Number
(µH)
(V-µsec)
TYP
MAX
P0144NL
P0145NL
P0146NL
P0147NL
P0148NL
P0149NL
P0150NL
P0151NL
P0152NL
P0153NL
9.4
13.3
23
50
75
3.80
3.13
2.43
1.65
1.35
1.23
0.99
0.81
0.65
0.53
27
40
65
121
181
246
387
585
845
1322
31
46
75
139
208
283
445
673
972
1520
15.2
18.8
24.3
37.0
44.3
49.2
59.4
71.3
85.8
99.6
10.4
14.6
25
56
83
100
152
220
331
472
2.65
3.13
4.10
6.15
7.47
11.95
14.12
18.46
27.69
33.67
36.93
45.61
54.85
67.34
80.37
90
8.19
137
200
305
439
10.12
12.17
14.94
17.83
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
with the reference ET applied to the inductor.
NOTES:
8. Limit the DC bias (H) to 46 orsteds. Calculate H by multiplying H
by IDC of the application.
9. Optional Tape & Reel packaging can be ordered by adding a "T" suffix to the part
number (i.e. P0144NL becomes P0144NLT). Pulse complies to industry standard
tape and reel specification EIA481.
10. The "NL" suffix indicates an RoHS-compliant part number. Non-NL suffixed parts
are not necessarily RoHS compliant, but are electrically and mechanically equivalent
to NL versions. If a part number does not have the "NL" suffix, but an RoHS
compliant version is required, please contact Pulse for availability.
11. The temperature of the component (ambient plus temperature rise) must be within
the stated operating temperature range.
1
from the table
3. Total loss in the inductor is 380mW for 50°C temperature rise above ambient.
4. To estimate temperature rise in a given application, determine copper and
core losses, divide by 380 and multiply by 50.
5. For the copper loss (mW), calculate IDC2 X R
N.
6. For core loss (mW), using frequency (f in Hertz) and operating flux density
(B in Gauss), calculate 6.11 x 10-18 x B2.7 x f2.04
.
7. For flux density (B in Gauss), calculate ET (V-µsec) for the application, divide
by ET100 from the table, and multiply by 100.
Mechanical
Schematic
.060
2X
1,52
.500
12,70
.470
11,94
MAX
1
2
.400
R
10,16
Suggested Pad Layout
.215
MAX
5,46
.220
5,59
.390
9,91
.005/0,13
.500
MAX
4 SURFACES
12,70
.945 ± .012
24,00 ± 0,30
.510
12,95
Weight . . . . . . . . 1.5 grams
Tape & Reel. . . . . . 500/reel
Tube . . . . . . . . . . . . 40/tube
Inches
mm
Dimensions:
USER DIRECTION OF FEED
.510
12,95
.630
16,00
.010
0,25
Unless otherwise specified, all tolerances are
TAPE & REEL LAYOUT
•
•
•
•
•
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)