鈩?/div>
)
TYP
2.0
3.0
4.0
5.4
7.4
8.5
13
19
21
22
32
36
41
56
60
79
85
97
127
182
201
225
249
319
363
424
561
629
851
950
1241
1398
MAX
2.9
4.2
5.7
7.7
10
12
18
25
27
30
40
45
51
70
75
100
110
120
158
230
253
280
310
400
460
530
690
770
1060
1200
1550
1750
Inductance
@0A
DC
(
碌
H)
0.9鹵30%
1.4鹵30%
2.2鹵30%
3.0鹵30%
3.9鹵30%
5.0鹵30%
6.4鹵30%
10鹵20%
12鹵20%
15鹵20%
18鹵20%
22鹵20%
27鹵20%
33鹵20%
39鹵20%
47鹵20%
56鹵20%
68鹵20%
82鹵20%
100鹵20%
120鹵20%
150鹵20%
180鹵20%
220鹵20%
270鹵20%
330鹵20%
390鹵20%
470鹵20%
560鹵20%
680鹵20%
820鹵20%
1000鹵20%
Saturation
2
Current
@25擄C (A)
14
13
9.7
8.3
7.0
6.4
5.8
4.6
4.3
4.0
3.4
3.0
2.7
2.6
2.4
2.2
2.0
1.8
1.7
1.4
1.3
1.2
1.1
1.0
0.91
0.82
0.72
0.68
0.63
0.57
0.52
0.46
Heating
3
Current
(A)
13
11
9.6
8.3
7.1
6.6
5.3
4.4
4.2
4.1
3.4
3.2
3.0
2.6
2.5
2.2
2.1
1.9
1.7
1.4
1.4
1.3
1.2
1.1
1.0
0.93
0.81
0.77
0.66
0.62
0.54
0.51
Core Loss
Factor K
136.3
165.0
212.1
244.7
275.7
311.9
357.2
424.2
471.3
548.5
578.4
666.6
734.2
813.8
879.9
977.3
1041.8
1144.6
1260.2
1413.9
1533.2
1710.4
1889.9
2101.8
2327.8
2554.4
2775.7
3057.7
3317.6
3660.4
4007.2
4437.0
4
Notes from Table
1. The rated current as listed is either the saturation current
or the heating current depending on which value is lower.
2. The saturation current is the current which causes the
inductance to drop to 65% (or 75%) of its nominal induc-
tance at zero bias. This current is determined by placing
the component at room ambient (25擄C), and applying a
short duration pulse current (to eliminate self-heating
effects) to the component.
3. The heating current is the dc current, which causes the
temperature of the part to increase by not more than 40擄C.
This current is determined by extending the terminals of the
Estimated Temperature Rise:
component with 30mm length 28 gauge buss wires and
applying the current to the device for 30 minutes. The tem-
.833 o
(C)
perature is measured by placing the thermocouple between
Trise = [Total loss (mW) / 5.376]
the winding and the shield.
Total loss = Copper loss + Core loss (mW)
4. In high volt*time applications, additional heating in the
Copper loss = Irms
2
x DCR (Typical) (mW)
component can occur due to core losses in the inductor
which may necessitate derating the current in order to limit
Irms = [I
DC2
+
鈭咺
2
/12]
1/2
(A)
the temperature rise of the component. In order to deter-
Core loss = 2.92 x 10
-7
x f (kHz)
1.1
x (K x
鈭咺)
2.15
(mW),
mine the approximate total loss (or temperature rise) for a
given application, both copper losses and core losses
where f varies between 25 kHz and 300 kHZ, and B less
should be taken into account.
than 2000 Gauss.
Mechanical
.315
8,00
.039
1,00
2
.315
8,00
2
.197
5,00
.472
12,00
.366
9,30
.262
6,65
Schematic
1
.039
1,00
XXX
1
1
2
.630
16,00
.472
12,00
Dimensions:
Inches
mm
.236
6,00
.075
1,91
SUGGESTED PAD LAYOUT
Weight
. . . . . . . . 3.2 grams
Tape & Reel
. . . . . . 500/reel
.945
24,00
Unless otherwise specified, all tolerances are 鹵 .010
0,25
TAPE & REEL LAYOUT
US 858 674 8100
鈥?/div>
UK 44 1483 401 700
鈥?/div>
France 33 3 84 35 04 04
鈥?/div>
Singapore 65 287 8998
鈥?/div>
Taiwan 886 2 2698 0228
鈥?/div>
Hong Kong 852 2788 6588
鈥?/div>
http://www.pulseeng.com
13
PC500.B (5/02)
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