2
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SIP-BRO-PNN-0707
28B0250-100 (Part number example in BOLD)
28 B 0250 -1 0 0
Material Type Product Type Code Part Size Code
Selected
Dimension
Code
Addtional Part
Description
Additional Part
Description
28 = Broad Band
Material
HF =High Frequency
Material
LF = Low Frequency
Material
A = Split round cores
(Snap-Ons)
B = Round Cylindrical
Cores
R = Ribbon Cable Cores
S = Split Ribbon Cores
28 material
is usually
measured in
inches for OD.
HF & LF
Material OD
& ID is usually
measured in
mm.
Usually
Length
0 = Standard Part
“A” Product Type Code
A = Plastic Case
B = Plastic Case
“S” Product Type Code
0 = No Clip
M = Metal Clip
P = Plastic Clip
A = Hinged Plastic Case
0 = Standard Part
“A” Product Type Code
0 = White Case
2 = Black Case
FERRITE MATERIAL COMPARISON
LF, 28, HF Material Impedance vs Frequency ( 300 KHz - 2 GHz )
Freqency ( MHz )
Impedance ( Z ) in Ohms ( Ω )
0.3
0.5 1
5
10 50 100 500 1000
2000
Impedance Materials for Cable & Wiring Harness Cores
LF Low Freqency
28 Broad Band High Performance
HF High Freqency
LF
28
HF
Part Number Nomenclature
Ferrite Cable Core Products
