TC2-3E25 FERROXCUBE [Ferroxcube International Holding B.V.], TC2-3E25 Datasheet - Page 2

• Manufacturer Part Number: TC2-3E25
• Description: Ferrite toroids
• Manufacturer: FERROXCUBE [Ferroxcube International Holding B.V.]

Ferroxcube
RING CORES (TOROIDS)
Effective core parameters
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.
Ring core data
2008 Sep 01
SYMBOL
Σ(I/A)
V
I
A
m
3E25
3E7
e
e
e
Ferrite toroids
GRADE
core factor (C1)
effective volume
effective length
effective area
mass of core
PARAMETER
1420 ± 25%
3080 ± 30%
(nH)
A
L
4.9
11.6
7.54
1.54
≈ 0.059 g
VALUE
mm
mm
mm
mm
UNIT
−1
3
2
1521
≈ 12000
≈ 5500
Dimensions (uncoated) in mm.
µ
i
Fig.1 TC3.4/1.8/2 ring core.
( 12 µm)
TC3.4/1.8/2-3E25
TC3.4/1.8/2-3E7
coating PARYLENE 'C'
3.35 ± 0.13
1.78 ± 0.13
TYPE NUMBER
MFW073
TC3.4/1.8/2
± 0.13
2.03