28B1250-000 Laird Technologies, 28B1250-000 Datasheet - Page 3

• Manufacturer Part Number: 28B1250-000
• Description: FERRITE TUBULAR BEAD 19.05MM
• Manufacturer: Laird Technologies
• Series: Stewardr

Specifications of 28B1250-000

• Filter Type: Round Cable, Solid
• Shape: Cylindrical
• Frequency: 100MHz
• Impedance: 186 Ohm
• Package / Case: 31.75mm O.D. x 19.05mm I.D. x 22.22mm L
• Test Frequency: 100 MHz
• Product: Ferrite Cores
• Maximum Dc Resistance: 186 Ohms
• Operating Temperature Range: - 40 C to + 125 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 240-2119

CONTENTS
TABLE OF
Ferrite Material Impedance Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Design & Selection “Rules of Thumb” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
High Frequency (HFB-) Cylindrical Cores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
High Frequency (HFA-) Split, Snap-On Cores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Broadband (28B-) Cylindrical Cores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Broadband (28A-) Split, Snap-On Cores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
SORTED QUICK REFERENCE CHARTS
Broadband (28B- and 28A-) Cable Cores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Low Frequency (LFB-) Cylinderical Cores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Broadband (28R-) Ribbon & Flex Cable Cores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Broadband (28S-) Split Ribbion & Flex Cable Cores . . . . . . . . . . . . . . . . . . . . . . . . . 21
SORTED QUICK REFERENCE CHARTS
Broadband (28R- and 28S-) Ribbon Cores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Ferrite EMI Disks & Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
All parts listed in this catalog are lead free and RoHS compliant.
This catalog contains a limited selection of Laird Technologies
cable core products. Refer to www.lairdtech.com for other cable
core products not included in this cable core catalog.
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