Ferroxcube
Ferrite toroids
RING CORES (TOROIDS)
Effective core parameters
SYMBOL
Σ(I/A)
V
e
I
e
A
e
m
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.
(≈12.5
µm)
4
±0.15
TC4/2.2/1.8
PARAMETER
core factor (C1)
effective volume
effective length
effective area
mass of core
VALUE
5.89
14.4
9.18
1.56
≈
0.07
UNIT
mm
−1
mm
3
mm
mm
2
g
handbook, halfpage
2.2
±0.1
coating PARYLENE 'C'
1.78
±0.1
CBW385
Dimensions (uncoated) in mm.
Fig.1 TC4/2.2/1.8 ring core.
Ring core data
GRADE
3E6
A
L
(nH)
2130
±
30%
µ
i
≈
10000
TYPE NUMBER
TC4/2.2/1.8-3E6
2008 Sep 01
1566
Ferroxcube
Ferrite toroids
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
Preliminary
specification
Product specification
PRODUCT
STATUS
Development
DEFINITIONS
TC4/2.2/1.8
This data sheet contains preliminary data. Ferroxcube reserves the right to
make changes at any time without notice in order to improve design and
supply the best possible product.
This data sheet contains final specifications. Ferroxcube reserves the right
to make changes at any time without notice in order to improve design and
supply the best possible product.
Production
DISCLAIMER
Life support applications
These products are not designed for use in life support appliances, devices, or systems
where malfunction of these products can reasonably be expected to result in personal injury. Ferroxcube customers
using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Ferroxcube
for any damages resulting from such application.
PRODUCT STATUS DEFINITIONS
STATUS
Prototype
Design-in
Preferred
Support
INDICATION
DEFINITION
These are products that have been made as development samples for the purposes of
technical evaluation only. The data for these types is provisional and is subject to
change.
These products are recommended for new designs.
These products are recommended for use in current designs and are available via our
sales channels.
These products are
not
recommended for new designs and may not be available
through all of our sales channels. Customers are advised to check for availability.
2008 Sep 01
1567
MCU
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