RoHS SCM20 USB 2.0 Common Mode Choke Dimensions: Inches (mm) Impedance Z (Ω) Tolerance (±%) Test Freq. (MHz) PAD LAYOUT Features • Minature SMD common mode filter • Excellent noise attenuation in a small package • Suitable for automated assembly • SCM series offers wide impedance range • Excellent solderability Allied Part Number Insulation Rated Voltage Resistance Vdc (M Ω) (min) DCR Max. (Ω) IDC (mA) SCM20-900M-RC 90 20 100 50 10 0.3 370 SCM20-121M-RC 120 20 100 50 10 0.3 370 SCM20-161M-RC 160 20 100 50 10 0.4 340 Impedance range: 90 Ω to 2200 Ω Tolerance: 20% over entire range Test Frequency: 100Mhz SCM20-221M-RC 220 20 100 50 10 0.4 320 Withstand Voltage: 125Vdc Max Operating Temp: -40ºC ~ 105ºC SCM20-261M-RC 260 20 100 50 10 0.5 310 SCM20-601M-RC 600 20 100 50 10 0.8 260 SCM20-102M-RC 1000 20 100 50 10 1.0 230 SCM20-222M-RC 2200 20 100 50 10 1.2 200 Electrical IDC: Inductance drop 10% Typ. from original value with no current DCR: Single Wire Test Value Resistance to Solder Heat Pre-Heat 150ºC, 1 minute Solder Composition: Sn/Ag3.0/Cu0.5 Solder Temp: 260ºC peak for 10 sec. Test time: 6 minutes All specifications subject to change without notice. Test Equipment SCHEMATIC (Z): HP4286A / HP4287A / Agilent E4991A (DCR): Chen Hwa 502BC Single wire test value Insulation Resistance: HP4339B (IDC): HP4284A with HP42841A / HP4285A with HP42841A Physical NO POLARITY EQUIVALENT CIRCUIT Packaging: 2000 pieces per 7 inch reel Marking: None 949-356-1780 ALLIED COMPONENTS INTERNATIONAL REVISED 08/14/2015 www.alliedcomponents.com