8540 Datasheet, PDF (1/1 Pages) Filtran LTD – INDUCTORS Inductors Designed for Nationals 150 KHz SIMPLE SWITCHERTM

Inductors Designed for
8540-8548
INDUCTORS _{Nationals’ 150 KHz SIMPLE SWITCHER}TM
• Designed for use with National Semiconductor LM 259X series
• Compact size and low cost
• Meets flammability rating of UL 94V-0
MECHANICAL AND SCHEMATIC (All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATIC
ELECTRICAL SPECIFICATION @ 25˚C
Part
Number
8540
8541
8542
8543
8544
8545
8546
8547
8548
Nominal
Inductance
(µH)
17
24
37
53
77
11 2
168
248
377
Rated
Current
(Amps DC)
3.00
2.74
2.24
1.87
1.54
1.26
1.02
0.83
0.68
NOTES:
1. SIMPLE SWITCHER^TM is a trademark of National Semiconductor Corporation.
2. Inductance values are ±20%.
Nominal
DCR
(Ω)
0.05
0.07
0.10
0.13
0.20
0.30
0.40
0.60
1.00
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