TC4-3E25 FERROXCUBE [Ferroxcube International Holding B.V.], TC4-3E25 Datasheet - Page 2

• Manufacturer Part Number: TC4-3E25
• 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
4A11
3E25
e
GRADE
e
e
Ferrite toroids
core factor (C1)
effective volume
effective length
effective area
mass of core
PARAMETER
122 ± 20%
720 ± 25%
(nH)
A
L
8.28
10.2
9.18
1.11
≈ 0.05
VALUE
mm
mm
mm
mm
g
UNIT
−1
3
2
1560
≈ 5500
handbook, halfpage
≈ 800
Dimensions (uncoated) in mm.
µ
i
(≈12.5 µm)
Fig.1 TC4/2.2/1.3 ring core.
;; ;; ;; ;;
coating PARYLENE 'C'
TC4/2.2/1.3-4A11
TC4/2.2/1.3-3E25
2.2 ±0.1
4 ±0.15
TYPE NUMBER
CBW210
TC4/2.2/1.3
1.27
±0.1