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Document 143-1
Common
Mode
Line
Chokes
Standard Series
High L Series
Coilcraft’s Toroid Style common mode chokes are de-
signed for optimum performance.Their single layer wind-
ings provide for the highest common mode impedance
over the widest frequency range.
These common mode line chokes come in two series:
Standard and High Inductance. Both are well suitable for
switching power supplies operating in the 100-300 kHz
range of switching frequencies.
• UL1446 Class B (130°C) Insulation System
(UL File E83628)
• Creepage and clearance = 3.2 mm
• 1250 Vrms, one minute isolation between windings
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
buy.coilcraft.com.
Standard Series
0.12
3,0
1.23
31,2
max
P321x-AL
CC-3Y
XXXX
0.150 ±0.03
3,81 ±0,76
12
1.25
31,8
max
Parts manufactured prior
to February, 2012 may be
marked differently.
Part number
Internal code
High Inductance Series
0.12
3,0
1.40
35,6
max
P32xx-AL
CC-3Y
XXXX
Parts manufactured prior
to February, 2012 may be
marked differently.
Part number
Internal code
0.150 ±0.03
3,81 ±0,76
1
1.40
35,6
max
2
Schematic
14
Recommended
4 Board Layout3
0.400
10,16
12
2 3 0.800
20,32
23
0.625
15,88
max
Terminations: Tin-silver over copper; #16 AWG (0.051/ 1,29 mm) except
P3217-A, which has #18 AWG (0.040/ 1,02 mm).
Schematic
14
Recommended
Board Layout
43
0.600
15,24
2
3
1
0.900
2
22,86
23
0.900
22,86
max
Terminations: Tin-silver over copper; #16 AWG (0.051/ 1,29 mm)
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 143-1  Revised 04/20/12
© Coilcraft Inc. 2017
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.

No Preview Available !

Document 143-2
Standard Series
Current Leakage Interwinding Lead
Part Inductance rating inductance SRF DCR max isolation diameter Weight
number
min (mH) (Amps) max (µH)
typ (kHz) (Ohms) (Volts rms)
nom
(g)
P3213-AL
P3214-AL
P3215-AL
P3216-AL
P3217-AL
P3218-AL
3.5
1.7
1.0
0.75
0.425
0.275
1.3
2.0
3.2
5.0
8.1
13.0
62
32
22
19
10
8
500
850
1250
1300
1750
2000
0.150
0.065
0.036
0.022
0.012
0.008
1250
1250
1250
1250
1250
1250
0.051/1,29 15.8
0.051/1,29 16.1
0.051/1,29 16.9
0.051/1,29 17.6
0.040/1,02 18.2
0.051/1,29 19.8
1. All parts have #16 AWG solder coated copper wire leads except P3217-A, which has #18 AWG leads.
2. Operating temperature range –40°C to +85°C.
3. Electrical specifications at 25°C.
4. Parts in bold type are included in Coilcraft Designer’s Kit P402.
Shown here are typical common mode fre-
quency 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 inser-
tion 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 Sta-
bilization Network (LISN) when testing EMI/
RFI performance of off-line power converters.
Common Mode Attenuation*
0
5
P3218-A
10
15
P3215-A
20
P3217-A
P3216-A
25 P3214-A
30
35 P3213-A
40
45
50
0.0001
0.001
0.01 0.1
1
Frequency (MHz)
10 100
Differential Mode Attenuation*
0
5
10
15
20
0.0001
0.001
0.01 0.1
1
Frequency (MHz)
*measured on Agilent/HP 3577A network analyzer.
P3215-A, P3216-A,
P3217-A, P3218-A
P3214-A
P3213-A
10 100
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 143-2  Revised 04/20/12
© Coilcraft Inc. 2017
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.

No Preview Available !

Document 143-3
High Inductance Series
Current Leakage Interwinding Lead
Part Inductance rating inductance SRF DCR max isolation diameter Weight
number
min (mH) (Amps) max (µH)
typ (kHz) (Ohms) (Volts rms)
nom
(g)
P3219-AL 10.8
P3220-AL  7.0
P3221-AL  3.7
P3222-AL  2.2
P3223-AL  1.1
P3224-AL  0.58
1.3
2.0
3.2
5.0
8.1
13.0
165
100
60
35
20
10
125
225
400
600
900
1150
0.29
0.15
0.08
0.04
0.02
0.01
1250
1250
1250
1250
1250
1250
0.051/1,29 36.0
0.051/1,29 38.3
0.051/1,29 38.7
0.051/1,29 40.4
0.040/1,02 40.9
0.051/1,29 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 –40°C to +85°C.
3. Electrical specifications at 25°C.
Shown here are typical common mode fre-
quency 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 inser-
tion 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 Sta-
bilization Network (LISN) when testing EMI/
RFI performance of off-line power converters.
Common Mode Attenuation*
0
P3224-A
10
P3223-A
20
P3221-A
30
P3220-A
40
P3219-A
P3222-A
50
60
0.0001
0.001
0.01 0.1
1
Frequency (MHz)
Differential Mode Attenuation*
0
10
20
30
0.0001
0.001
0.01 0.1
1
Frequency (MHz)
*measured on Agilent/HP 3577A network analyzer.
10 100
P3223-A, P3224-A
P3222-A
P3221-A
P3220-A
P3219-A
10 100
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 143-3  Revised 04/20/12
© Coilcraft Inc. 2017
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.