E L E C T R O N I C S I N C .
Surface Mount Power Inductor
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Optimized for National's LM259X Series
Low loss material ensures operation in high frequency switching
converters, such as Buck, Boost or as output averaging filter inductor
Also suitable for use in high quality filter applications
150 KHz & 500 KHz Switching Frequency
Low Cost Inductor
EPI B20 Series
Product performance is limited to specified parameters. Data is subject to change without prior notice.
Primary Specification
Unless Otherwise Specified Dimensions are in Inches /mm .010 /.25
CSIXXXXXXB20 Rev. 3 3/5/03
1.05
5.2
7.5
10.9
16.8
25
36.5
51.6
75
110
166
248
Induct.
(H 20%)
@ 0 Adc
DCR
(
Typ.)
.011
.051
.061
.094
.148
.224
.343
.408
.625
.958
1.476
2.225
Vt1
(V-Sec)
150 KHz
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6.6
8.0
9.3
11.3
14
17
20.6
@ Vt1
C (Typ.)
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42
38
34
37
37
37
40
Induct.
(H 15%)
@ Idc
0.9
4.7
6.8
10
15
22
33
47
68
100
150
220
Part
Number
EPI1L0342B20
EPI4L7122B20
EPI6L8951B20
EPI100801B20
EPI150701B20
EPI220601B20
EPI330441B20
EPI470371B20
EPI680321B20
EPI101261B20
EPI151211B20
EPI221181B20
Core Loss
Idc
(mA)
3400
1200
950
800
700
600
440
370
320
260
210
180
Vt2
(V-Sec)
260 KHz
0.5
2.0
2.4
3.0
3.6
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National
Semiconductor
Chip
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LM259X-L7
LM259X-L6
LM259X-L5
LM259X-L4
LM259X-L3
LM259X-L2
LM259X-L1
@ Vt2
C (Typ.)
54
40
34
35
40
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Temp.Rise
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23.4
23.4
23.4
23.4
23.4
23.4
23.4
@ Vt1
(mW)
@ Vt2
(mW)
6.5
23.4
23.4
23.4
23.4
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Package B20
.330
(8.83)
.260
(6.60)
.330
(8.38)
.270
(6.86)
.300
(7.62)
.060 (1.52)
Suggested
Pad
Latout
.270 Max.
(6.86)
Note: Coplanarity within .005" Max.
PCA
EPIXXXXXXB20
D.C.
Application
+Vin
Regulated
Output
Load
LX
H
D1
1N5822
Cin
Cout
Feedback
Output
Vsw
On/Off
Gnd
LM259X
+
+
Unregulated
DC Input
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