TC3.4-3E25 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – Ferrite toroids

Ferroxcube
Ferrite toroids
TC3.4/1.8/2
RING CORES (TOROIDS)
Effective core parameters
SYMBOL
PARAMETER
Σ(I/A)
core factor (C1)
V_e
effective volume
I_e
effective length
A_e
effective area
m
mass of core
VALUE UNIT
4.9
mm^−1
11.6 mm³
7.54 mm
1.54 mm²
≈ 0.059 g
Coating
The cores are coated with parylene C, flame retardant in
accordance with “UL 94V-2”; UL file number E 194397.
The coating is transparent.
Maximum operating temperature is 90 °C.
Isolation voltage
DC isolation voltage: 1000 V.
Contacts are applied on the edge of the ring core, which is
also the critical point for the winding operation.
3.35 ± 0.13
1.78 ± 0.13
( 12 µm) coating PARYLENE 'C'
2.03
± 0.13
MFW073
Dimensions (uncoated) in mm.
Fig.1 TC3.4/1.8/2 ring core.
Ring core data
GRADE
3E25
3E7
A_L
(nH)
1420 ± 25%
3080 ± 30%
µ_i
≈ 5500
≈ 12000
TYPE NUMBER
TC3.4/1.8/2-3E25
TC3.4/1.8/2-3E7
2008 Sep 01
1521