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FINEMET® Beads
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FINEMET® Beads - Toroidal Type

FINEMET® Beads made of FT-3AM nanocrystalline material are small size bead cores which show excellent performance in suppression of various kinds of current or voltage surge, such as the surge from a switching diode.
Product Code
P/N
Finished Dimensions (mm)
Ac(mm2)
TYP
Lm
(mm)
TYP
Mass
(g)
2Øs(µWb)
Min.
Al Value
(uH/N2)
100kHz
A
MAX
B
MAX
C
TYP
20°C
100°C
F1AH0432
FT-3AMB3X*
4.0
5.0
1.6
1.13
7.85
0.10
2.2
2.0
2.0 Min
F1AH0433
FT-3AM B3AR*
4.0
7.0
1.6
1.88
7.85
0.16
3.6
3.4
3.3 Min
F1AH0434
FT-3AM B4R*
5.0
7.0
1.6
3.75
9.42
0.34
7.3
6.9
5.5 Min

- UL94V-0 certified resin is used for the core case
* The resin with 130° C of heat resistance
No Ozone depleting Chemicals are used in these products or in their manufacturing process
Ac = effective cross section acrea, lm = mean magnetic path length





   
 

 
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