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Document 143-1
Common Mode Line Chokes
Standard Series High L Series
Coilcraft's Toroid Style common mode chokes are designed for optimum performance. Their single layer windings provide for the highest common mode impedance over the widest frequency range. Spacers, specially designed by Coilcraft, provide 3 mm creepage and clearance spacings for compatibility with UL, CSA and IEC safety specifications. These common mode line chokes come in two series: Standard and High Inductance. Both are particularly suitable for switching power supplies operating in the 100-300 kHz range of switching frequencies. Coilcraft Designer's Kit P402 contains samples of eight standard EE and toroidal common mode line chokes. To order, please contact Coilcraft or purchase on-line at http://order.coilcraft.com.
Standard Series
0.12 3,0
Schematic
1.23 max 31,2
1 4
4
Recommended Board Layout 3
0.400 10,16
1
2
2
3
0.800 20,32
1
2
1.25 max 31,8
0.150 0.03 3,81 0,76
2
3
0.625 max 15,88
Terminations: Tin-silver over copper; #16 AWG (0.051 / 1,29 mm) except P3217-A, which has #18 AWG (0.040 / 1,02 mm).
High Inductance Series
0.12 3,0
Schematic
1.40 35,6 max
1 4
Recommended Board Layout
4 3
0.600 15,24
2 3 1
0.900 22,86
2
1
2
2
3
1.40 max 35,6
0.150 0.03 3,81 0,76
0.900 max 22,86
Terminations: Tin-silver over copper; #16 AWG (0.051 / 1,29 mm)
Specifications subject to change without notice. Please check our website for latest information.
Document 143-1
Revised 01/06/09
(c) Coilcraft, Inc. 2009
Document 143-2
Standard Series
Part number P3213-AL P3214-AL P3215-AL P3216-AL P3217-AL P3218-AL
1. 2. 3. 4.
Inductance min 3.5 mH 1.7 mH 1.0 mH 750 H 425 H 275 H
Current rating (Amps) 1.3 2.0 3.2 5.0 8.1 13.0
Leakage inductance max (H) 62 32 22 19 10 8
SRF typ 500 kHz 850 kHz 1.25 MHz 1.30 MHz 1.75 MHz 2.00 MHz
DCR max (Ohms) 0.150 0.065 0.036 0.022 0.012 0.008
Interwinding isolation (Volts rms) 1250 1250 1250 1250 1250 1250
Lead diameter nom 0.051/1,29 0.051/1,29 0.051/1,29 0.051/1,29 0.040/1,02 0.051/1,29
Weight (g) 15.8 16.1 16.9 17.6 18.2 19.8
All parts have #16 AWG solder coated copper wire leads except P3217-A, which has #18 AWG leads. Operating temperature range -40C to +85C. Electrical specifications at 25C. Parts in bold type are included in Coilcraft Designer's Kit P402.
Shown here are typical common mode frequency plots of each part number. The plots indicate the relative performance of each part over the frequency range of most interest for designers of equipment that must meet FCC and VDE noise regulations. It is important to note that only a common mode signal will be attenuated as shown. Differential mode power such as 50/60 Hz power line currents or data signals will pass through unimpeded by the common mode impedance. The insertion loss for differential signals is shown in the lower graph. These data were taken in a 50 Ohm system. All parts should be tested using an appropriate Line Impedance Stabilization Network (LISN) when testing EMI/RFI performance of off-line power converters.
Common Mode Attenuation*
0 5 10
P3217-A P3218-A
15
Attenuation (dB)
P3215-A
P3216-A
20 25 30 35 40 45 50 0.0001 0.001 0.01 0.1 1 10 100
P3213-A P3214-A
Frequency (MHz)
Differential Mode Attenuation*
0
P3215-A, P3216-A, P3217-A, P3218-A P3214-A P3213-A
Attenuation (dB)
5
10
15
20 0.0001 0.001 0.01 0.1 1 10 100
Frequency (MHz)
*measured on Agilent/HP 3577A network analyzer.
Specifications subject to change without notice. Please check our website for latest information.
Document 143-2
Revised 01/06/09
(c) Coilcraft, Inc. 2009
Document 143-3
High Inductance Series
Part number P3219-AL P3220-AL P3221-AL P3222-AL P3223-AL P3224-AL Inductance min 10.8 mH 7.0 mH 3.7 mH 2.2 mH 1.1 mH 0.58 mH Current rating (Amps) 1.3 2.0 3.2 5.0 8.1 13.0 Leakage inductance max (H) 165 100 60 35 20 10 SRF typ 125 kHz 225 kHz 400 kHz 600 kHz 900 kHz 1150 kHz DCR max (Ohms) 0.29 0.15 0.08 0.04 0.02 0.01 Interwinding isolation (Volts rms) 1250 1250 1250 1250 1250 1250 Lead diameter nom 0.051/1,29 0.051/1,29 0.051/1,29 0.051/1,29 0.040/1,02 0.051/1,29 Weight (g) 36.0 38.3 38.7 40.4 40.9 40.9
1. All parts have #16 AWG solder coated copper wire leads except P3223-A, which has #18 AWG leads. 2. Operating temperature range -40C to +85C. 3. Electrical specifications at 25C.
Shown here are typical common mode frequency plots of each part number. The plots indicate the relative performance of each part over the frequency range of most interest for designers of equipment that must meet FCC and VDE noise regulations. It is important to note that only a common mode signal will be attenuated as shown. Differential mode power such as 50/60 Hz power line currents or data signals will pass through unimpeded by the common mode impedance. The insertion loss for differential signals is shown in the lower graph. These data were taken in a 50 Ohm system. All parts should be tested using an appropriate Line Impedance Stabilization Network (LISN) when testing EMI/RFI performance of off-line power converters.
Common Mode Attenuation*
0
P3224-A
10
P3223-A
Attenuation (dB)
20
P3221-A
P3222-A
30
P3220-A
40
P3219-A
50
60 0.0001 0.001 0.01 0.1 1 10 100
Frequency (MHz)
Differential Mode Attenuation*
0
P3223-A, P3224-A P3222-A P3221-A P3220-A P3219-A
Attenuation (dB)
10
20
30 0.0001 0.001 0.01 0.1 1 10 100
Frequency (MHz)
*measured on Agilent/HP 3577A network analyzer.
Specifications subject to change without notice. Please check our website for latest information.
Document 143-3
Revised 01/06/09
(c) Coilcraft, Inc. 2009

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