28R1128-200 Laird Technologies, 28R1128-200 Datasheet - Page 3

• Manufacturer Part Number: 28R1128-200
• Description: EMI/RFI Suppressors & Ferrites Flat Ferrite Filter
• Manufacturer: Laird Technologies
• Series: 28Rr

Specifications of 28R1128-200

• Product Category: EMI/RFI Suppressors & Ferrites
• Rohs: yes
• Product: Data Line EMI/RFI Filters
• Impedance: 145 Ohms
• Operating Temperature Range: - 40 C to + 125 C
• Termination Style: SMD/SMT
• Case Height: 5.38 mm
• Case Length: 28.58 mm
• Case Width: 14 mm
• Dimensions: 14 mm W x 28.58 mm L x 5.38 mm H
• Shielding: Unshielded
• Test Frequency: 100 MHz

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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