2643625202 Ver la hoja de datos (PDF) - Fair-Rite Products Corp.
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2643625202 Datasheet PDF : 2 Pages
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Round Cable EMI Suppression Cores
(2643625202)
Part Number: 2643625202
43 ROUND CABLE CORE
Explanation of Part Numbers:
– Digits 1 & 2 = Product Class
– Digits 3 & 4 = Material Grade
– Last digit 2 = Burnished (All cable cores have been burnished to remove the sharp edges)
Fair- Rite offers a broad selection of ferrite EMI suppression cable cores in several materials with guaranteed minimum
impedance specifications.
For smaller suppression parts, refer to the section EMI Suppression Beads.
Our Expanded Cable and Suppressor Kit (part number 0199000005) contains a selection of these suppression cores.
For any cable suppression core not listed here, feel free to contact our customer service group for availability and
pricing.
The C dimension, the core length, can be modified to suit specific applications.
Weight: 36 (g)
Dim mm mm tol
A 15.9 ±0.40
B 7.9 ±0.30
C 50.8 ±1.00
nominal inch
0.625
0.312
2
inch misc.
_
_
_
Chart Legend
+ Test frequency
The column “H (Oe)” gives for each bead the calculated dc bias field in oersted for 1 turn and 1 ampere direct current. The
actual dc H field in the application is this value of “H” times the actual NI (ampere- turn) product. For the effect of the dc bias
on the impedance of the bead material, see figures 18-23 in the application note How to choose Ferrite Components for EMI
Suppression.
Typical Impedance (Ω)
10 MHz
158
25 MHz+
235
100 MHz+
384
250 MHz
305
Electrical Properties
H(Oe) 0.36
Suppression cable cores are controlled for impedances only. Minimum impedance values are specified for the + marked
frequencies. The minimum impedance is typically the listed impedance less 20%.
Single turn impedance tests for 31, 43 and 46 material cores are performed on the 4193A Vector Impedance Meter. The 61
material parts are tested on the 4191A RF Impedance Analyzer and 75 material parts are tested on the 4285A LCR Meter. Cores
are tested with the shortest practical wire length.
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