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Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2017 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice REV 05.22.17 Wide Band Chokes - Axial www.ctparts.com CTWBF Series From 1.5T’s to 2x1.5T’s SPECIFICATIONS The “-S” suffix denotes the “secondary bead” material available. Impedance (Ω) Lead Wire Number Ref er to P art @ 100 MHz Wire Siz e Length of Figure Number Min. A WG (inc hes) T urns # CTWBF-1.5 375 24 1.5 1.5 1 CTWBF-1.5-S 400 24 1.5 1.5 1 CTWBF-2X1.5 375 24 1.5 2X1.5 5 CTWBF-2X1.5-S 400 24 1.5 2X1.5 5 CTWBF-2.0 480 24 1.5 2 2 CTWBF-2.0-S 600 24 1.5 2 2 CTWBF-2.5 580 24 1.5 2.5 3 CTWBF-2.5-S 675 24 1.5 2.5 3 CTWBF-3.0 550 24 1.5 3 4 CTWBF-3.0-S 1140 24 1.5 3 4 Not Shown at Actual Size CHARACTERISTICS MINIMUM IMPEDANCE (Ω) Description: Wide-band wire-wound beads Applications: Used for EMI and RA filtering applications. Also used in RF circuits to subdue “parasitic oscillation” at VHF and UHF Testing: Impedance is tested on an HP4287A at 100 MHz Miscellaneous: RoHS Compliant Additional Information: Additional electrical & physical information available upon request Samples available. See website for ordering information Bead Material “Secondar y Bead” Material Figure # 10 MHz 50MHz 100MHz 50MHz 100MHz 200MHz 1 170 320 375 250 400 325 2 240 520 480 425 600 300 3 320 680 580 550 675 275 4 400 800 550 1000 1140 800 5 170 320 375 250 400 325 WINDING PATTERNS WIDE BAND CHOKE CORE A B C D Ref. Size mm inches Fig.1 CTWBF-1.5 CTWBF-1.5-S Fig.2 CTWBF-2.0 CTWBF-2.0-S Fig.3 CTWBF-2.5 CTWBF-2.5-S Fig.4 CTWBF-3.0 CTWBF-3.0-S Fig.5 CTWBF-2x1.5 CTWBF-2x1.5-S