 
Toroidal Common Mode Line Chokes –
Standard & High L Series
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New RoHS part numbers are shown.
Lead was removed from terminations. The last character is now L to indicate RoHS compliance.
(View old data sheet.)
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- Available in two series: standard inductance and high inductance
- Single layer windings provide highest common mode impedance over
the widest frequency range
- Ideal for switching power supplies 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
- Refer to Designing Common Mode Filters for design guidance.
- RoHS-compliant. Tin-silver over
copper terminations.
- Samples of several values are available in
Coilcraft Designer's Kit P402
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 Photo 
Pricing  Materials declaration 
PDF sheet
3D models
SPECIFICATIONS – Standard Series
 Common mode
attenuation
Differential mode attenuation
 Dimensions
| Parts in red type are included in Coilcraft
Designer's Kit P202 |
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| P3213-AL |
3.5 mH |
1.3 |
62 |
500 kHz |
0.15 |
1250 |
0.051/1,29 |
15.8 |
| P3214-AL |
1.7 mH |
2.0 |
32 |
850 kHz |
0.065 |
1250 |
0.051/1,29 |
16.1 |
| P3215-AL |
1.0 mH |
3.2 |
22 |
1.25 MHz |
0.036 |
1250 |
0.051/1,29 |
16.9 |
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P3216-AL |
750 µH |
5.0 |
19 |
1.30 MHz |
0.022 |
1250 |
0.051/1,29 |
17.6 |
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P3217-AL |
425
µH |
8.1 |
10 |
1.75 MHz |
0.012 |
1250 |
0.040/1,02 |
18.2 |
| P3218-AL |
275 µH |
13 |
8 |
2.0 MHz |
0.008 |
1250 |
0.051/1,29 |
19.8 |
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1 |
DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator. |
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2 |
All parts have #16 AWG solder coated copper
wire leads except P3217-A, which has #18 AWG leads. |
| 3 |
Ambient temperature range: |
–40°C to +85°C |
| 4 |
Storage temperature range: |
Component: –40°C to +85°C
Packaging trays: –40°C to +80°C |
| 5 |
Electrical specifications at 25°C. |
| Refer to Soldering Coilcraft Components before soldering. |
| PCB washing: Tested with pure water or alcohol only. Other solvents |
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SPECIFICATIONS – High Inductance Series
Common mode attenuation Differential
mode attenuation
Dimensions
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| P3219-AL |
10.8 mH |
1.3 |
165 |
125 kHz |
0.29 |
1250 |
0.051/1,29 |
36.0 |
| P3220-AL |
7.0 mH |
2.0 |
100 |
225 kHz |
0.15 |
1250 |
0.051/1,29 |
38.3 |
| P3221-AL |
3.7 mH |
3.2 |
60 |
400 kHz |
0.08 |
1250 |
0.051/1,29 |
38.7 |
| P3222-AL |
2.2
mH |
5.0 |
35 |
600 kHz |
0.04 |
1250 |
0.051/1,29 |
40.4 |
| P3223-AL |
1.1 mH |
8.1 |
20 |
900 kHz |
0.02 |
1250 |
0.040/1,02 |
40.9 |
| P3224-AL |
0.58 mH |
13 |
10 |
1150 kHz |
0.01 |
1250 |
0.051/1,29 |
40.9 |
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1 |
DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator. |
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2 |
All parts have #16 AWG solder coated copper
wire leads except P3223-A, which has #18 AWG leads. |
| 3 |
Ambient temperature range: |
–40°C to +85°C |
| 4 |
Storage temperature range: |
Component: –40°C to +85°C
Packaging trays: –40°C to +80°C |
| 5 |
Electrical specifications at 25°C. |
| Refer to Soldering Coilcraft Components before soldering. |
| PCB washing: Tested with pure water or alcohol only. Other solvents |
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