swc-4.50-19 Talema Electronic LLC, swc-4.50-19 Datasheet
swc-4.50-19
Manufacturer Part Number
swc-4.50-19
Description
Sw Series ? Inductors For National S 150khz Simple Switcher
Manufacturer
Talema Electronic LLC
Datasheet
1.SWC-4.50-19.pdf
(3 pages)
SW Series low cost toroidal inductors, designed for use with
National Semiconductor's 150kHz Simple Switcher
Numbers LM259X-L1 through LM259X-L44 and LM258X-L
Features
• High energy storage with minimum saturation
• High stability from no load to full load
• Available in both SMD and TH versions
• Manufactured in ISO-9001 approved facility
• Operating temperature range: -40°C to +125°C
Electrical Specifications at 25°C ambient
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
P
_
_
_
_
_
_
- _
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
a
0 -
0 -
0 -
0 -
0 -
0 -
0 -
0 -
0 -
0 -
0 -
0 -
0 -
0 -
1 -
0 -
0 -
0 -
0 -
0 -
1 -
1 -
1 -
1 -
0 -
0 -
1 -
1 -
1 -
1 -
2 -
2 -
3 -
1 -
1 -
t r
0 -
1 .
1 .
2 .
2 .
3 .
3 .
2 .
2 .
3 .
3 .
4 .
5 .
6 .
8 .
0 .
3 .
4 .
5 .
6 .
8 .
0 .
2 .
4 .
8 .
6 .
8 .
0 .
2 .
5 .
8 .
2 .
7 .
0 .
5 .
8 .
N
4 .
3
6
0
5
0
4
0
5
0
8
6
6
8
4
2
6
4
4
7
2
5 -
3 -
8
1
8
3
2
6
4
7
4
4
0
2 -
1
u
5
2 -
1 -
1 -
7 -
5 -
3 -
3 -
2 -
1 -
1 -
7 -
5 -
3 -
2 -
1 -
3 -
2 -
1 -
1 -
7 -
2 -
1 -
3 -
2 -
1 -
1 -
7 -
5 -
3 -
2 -
1 -
1 -
m
2 -
4
8
5
1
1
1
1
5
7
9
5
9
7
5
7
8
5
9
6
7
7
5
7
8
6
8
7
4
6
7
3
7
4
7
0
6
b
6
8
8
5
2
9
8
4
6
6
5
2
3
7
8
8
8
r e
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
2 -
N
N
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
t a
u
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
P
m
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
o i
a
t r
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
L -
b
n
r e
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
l a
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
THE TALEMA GROUP
SW Series • Inductors for National's 150kHz Simple Switcher
C
R
r u
i (
0
0
0
0
0
0
0
0
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0
0
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1 .
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2 .
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2
2
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3
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TM
7
5
3
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7
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2
1
7
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3
2
1
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µ (
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8
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Part
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World Wide Toroidal Specialists
V (
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SWT-xxx-xx
Date Code
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Date Code
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