RoHS
SCM20
USB 2.0 Common Mode Choke
Dimensions: Inches (mm)
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 Electrical Impedance range: 90 Ω to 2200 Ω Tolerance: 20% over entire range Test Frequency: 100Mhz Operating Temp: -25ºC ~ 85ºC 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 Test Equipment (Z): HP4286A / HP4287A / Agilent E4991A (DCR): Chen Hwa 502BC Single wire test value Insulation Resistance: HP4339B (IDC): HP4284A with HP42841A / HP4285A with HP42841A Physical Packaging: 2000 pieces per 7 inch reel Marking: None
Allied Part Number
Impedance Z (Ω)
Tolerance (±%)
Test Freq. (MHz)
Insulation Rated Voltage Resistance Vdc (M Ω) (min)
DCR Max. (Ω)
IDC (mA)
SCM20-900M-RC
90
20 20
100
50
10
0.3
370
SCM20-121M-RC
120
100
50
10
0.3
370
SCM20-161M-RC
160
20
100
50
10
0.4
340
SCM20-221M-RC
220
20 20
100
50
10
0.4
320
SCM20-261M-RC
260
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
All specifications subject to change without notice.
SCHEMATIC
NO POLARITY EQUIVALENT CIRCUIT
714-665-1140
ALLIED COMPONENTS INTERNATIONAL
REVISED 03/03/11
www.alliedcomponents.com
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