Miscellaneous Suppression Cores (2677102402)
Part Number: 2677102402
77 ROUND CABLE CORE
Explanation of Part Numbers:
– Digits 1 & 2 = Product Class
– Digits 3 & 4 = Material Grade
Fair- Rite has tooled several special core geometries in the 43 & 77 material for suppression of conducted EMI.
For any non- catalog suppression core design feel free to contact our customer service or application group for feasibility
and availability.
The “C” dimension, the core length, can be modified to suit specific applications.
Weight: 41 (g)
Chart Legend
+ Test frequency
•Figures 3 & 4 tested in pairs
Typical Impedance (Ω)
1 MHz 52
10 MHz+25
25 MHz+23
These suppression cores are controlled for impedance only. The minimum impedance is typically the listed impedance less 20%.
Single turns tests are performed on the 4193A Vector Impedance Analyzer with the shortest practical wire length.
Dim mm mm tol nominal inch inch misc.
A 25.9 ±0.75 1.02 _
B 12.8 ±0.25 0.505 _
C 21.3 ±0.50 0.84 _
Fair- Rite Products Corp. • One Commercial Row, Wallkill, New York 12589-0288
888-324-7748 • 845-895-2055 • Fax: 845-895-2629 • ferrites@fair- rite.com • www.fair- rite.com
