Choke EMC Suppression Choke 8451-8453 • Use of high loss ferrite materials for excellent high frequency noise absorption • High impedance for normal mode applications • Designed to absorb high frequency noise from digital equipment data lines MECHANICAL AND SCHEMATIC (All dimensions in mm) ISSUE: A 00/03/2001 8451 ELECTRICAL SPECIFICATION @ 25˚C Impedance (ohms) typical Inductance DCR DC Current uH ohm max. A max. 400 MHz 200 MHz 100 MHz 8451 1.0 note* .08 0.50 800 --- --- 8452 10.0 min .05 1.50 --- 900 --- 8453 20.0 min .08 1.50 --- --- 2000 Part Number Note* +1.0 - 0.5 An ISO 9001 Registered Company 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com