28B0250-100 Laird Technologies, 28B0250-100 Datasheet - Page 5

• Manufacturer Part Number: 28B0250-100
• Description: FERRITE TUBULAR BEAD 3.18MM
• Manufacturer: Laird Technologies
• Series: Stewardr
• Type: Core-Solidr

Specifications of 28B0250-100

• Filter Type: Round Cable, Solid
• Shape: Cylindrical
• Frequency: 100MHz
• Impedance: 182 Ohm
• Package / Case: 6.35mm O.D. x 3.18mm I.D. x 15.88mm L
• Test Frequency: 100 MHz
• Product: Ferrite Cores
• Maximum Dc Resistance: 182 Ohms
• Operating Temperature Range: - 40 C to + 125 C
• Diameter, Cable: 0.125 "
• Impedance, At 100 Mhz: 182 Ohms
• Impedance, At 25 Mhz: 90 Ohms
• Impedance, At 300 Mhz: 300 Ohms
• Material, Core: 28
• Termination: Cable
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 240-2289

HIGH FREQUENCY
FERRITE CYLINDRICAL
www.lairdtech.com
FERRITE EMI CABLE CORES
300 MHZ TO 2 GHZ OPTIMIZED
Cylindrical Solid Ferrite Cores for Round Cables & Wiring Harnesses
PART NUMBERING SYSTEM EXAMPLE
HFB075024-000
HFB075025-000
HFB095051-100
HFB095051-200
HFB123049-000
HFB123049-100
HFB123049-300
HFB143064-000
HFB143064-100
HFB143064-300
HFB150070-200
HFB152034-000
HFB157070-000
HFB159079-100
HFB160093-200
HFB160093-300
HFB170070-000
HFB170070-100
HFB187102-100
HFB259128-100
Material
Type
HF
Number
Part
Product
Code
B
(0.296)
(0.296)
(0.375)
(0.375)
(0.485)
(0.485)
(0.485)
(0.562)
(0.562)
(0.562)
(0.590)
(0.600)
(0.616)
(0.625)
(0.630)
(0.630)
(0.669)
(0.669)
(0.735)
(1.020)
12.32
12.32
12.32
14.27
14.27
14.27
14.99
15.24
15.65
15.88
16.00
16.00
16.99
16.99
18.67
25.91
7.52
7.52
9.52
9.52
A
Part Size Code
075024
DIMENSIONS mm
(mm)
(inches)
(0.094)
(0.094)
(0.200)
(0.200)
(0.192)
(0.192)
(0.192)
(0.250)
(0.250)
(0.250)
(0.275)
(0.133)
(0.275)
(0.310)
(0.364)
(0.364)
(0.276)
(0.276)
(0.400)
(0.505)
10.16
12.83
2.39
2.39
5.08
5.08
4.88
4.88
4.88
6.35
6.35
6.35
6.99
3.38
6.99
7.87
9.25
9.25
7.01
7.01
B
Dimension Code
(Usually Length)
Selected
(0.394)
(0.787)
(0.394)
(0.748)
(0.197)
(0.394)
(1.000)
(0.197)
(0.394)
(1.125)
(1.125)
(0.394)
(0.787)
(1.125)
(0.748)
(1.102)
(0.394)
(0.787)
(1.181)
(1.125)
10.00
20.00
10.00
19.00
10.00
25.40
10.00
28.58
28.58
10.00
20.00
28.58
19.00
27.99
10.00
20.00
30.00
28.58
5.00
5.00
-0
C
@ 300
MHz
124
157
120
258
270
242
165
170
235
120
170
185
205
175
64
50
97
43
85
97
Net Impedance (Z) in
Description
Additional
Part
@ 500
0
MHz
136
292
135
110
287
100
315
287
190
200
290
145
198
115
215
250
210
74
56
50
Ohms (Ω)
@ 800
MHz
138
442
151
120
300
113
270
270
189
220
302
155
232
127
239
270
254
89
63
58
Additional Part
Description or
Coating Code
EMI CORES
0
GHz
@ 1
138
436
147
115
246
115
200
204
185
205
260
170
220
140
220
210
250
85
61
60
B
All impedance values for high frequency
cores are NET; NET impedance
is impedance of the ferrite core only.
All impedance contribution from the
test wire and fixtures has been removed.
C
A
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