THROUGH HOLE COMMON MODE CHOKES P/N:BCM-7539 DATA SHEET A. General Specifications: 1. Reduces radiated EMI emissions . 2. Filters common mode noise for EMI reduction 3. Common mode attenuation from 100KHz to 1GHz 4. Tube packaging available for through hole parts B. Electrical Specifications@25°C : 1. Primary Inductance: 140µH Min 2. DCR : 0.6ΩMax 3. Common mode attenuation(dB TYP) : 100 KHz 1 MHz 10 MHz 30 MHz 50 MHz 14 33 44 48 48 100 MHz 300 MHz 500 MHz 1GHz 43 33 28 19 C. Schematic & Mechanical : Prepared Luo Ming Li Approved: Xu Wenbing Date : 2001/06/06 Drawing no.: ISDN Transformer REV.: A0 Page : 1/1