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Broadband EMI Ferrite Cylindrical Cores
Please refer to the seperate Toroid
Catalog from Laird Technologies for an
extensive list of small ferrite inductor
toroid core sizes and materials.
A
B
C
For Round Cables & Wiring Harnesses
Broadband (28) round cable parts
are sorted by inside diameter on
page 12 and sorted by impedance
on page 13.
Part
Number
DIMENSIONS
mm
(inches)
Typical Impedance ( Z ) in Ohms ( Ω )
A B C @ 25 MHz @ 100 MHz @ 300 MHz
28B0250-100
6.35
(0.250)
3.18
(0.125)
15.88
(0.625)
90 182 300
28B0268-000
6.78
(0.267)
3.99
(0.157)
14.22
(0.560)
65 138 260
28B0275-000
7.00
(0.276)
3.80
(0.150)
13.50
(0.531)
69 146 268
28B0296-000
7.52
(0.296)
2.39
(0.94)
7.54
(0.297)
75 160 270
28B0315-000
8.00
(0.315)
3.17
(0.125)
4.78
(0.188)
43 100 220
28B0315-100
8.00
(0.315)
3.17
(0.125)
10.06
(0.396)
76 158 281
28B0339-000
8.60
(0.339)
3.80
(0.150)
10.00
(0.394)
68 143 264
28B0355-000
9.00
(0.354)
4.75
(0.187)
20.00
(0.787)
110 205 360
28B0375-000
9.53
(0.375)
5.08
(0.200)
10.41
(0.410)
57 125 245
28B0375-100
9.53
(0.375)
5.08
(0.200)
14.48
(0.570)
74 154 282
28B0375-300
9.53
(0.375)
5.08
(0.200)
19.05
(0.750)
100 194 310
28B0375-400
9.52
(0.375)
5.08
(0.200)
4.83
(0.190)
33 81 200
28B0384-000
9.75
(0.384)
3.80
(0.150)
10.00
(0.394)
82 159 286
28B0384-200
9.75
(0.384)
3.80
(0.150)
25.00
(0.984)
182 322 473
28B0390-200
9.91
(0.390)
6.35
(0.250)
15.00
(0.590)
57 128 248
28B0395-000
10.01
(0.394)
5.97
(0.235)
6.17
(0.243)
31 83 199
28B0434-000
11.00
(0.433)
5.10
(0.201)
32.00
(1.260)
200 349 481
28B0453-000
11.50
(0.453)
4.90
(0.193)
25.00
(0.984)
148 262 378
28B0472-090
12.00
(0.472)
3.60
(0.142)
20.00
(0.787)
158 272 390
28 B 0250 -1 0 0
Material Type Product Code Part Size Code
Selected
Dimension Code
(Usually Length)
Additional Part
Description
Additional Part
Description or
Coating
PART NUMBERING SYSTEM EXAMPLE
