P3717-A

Document 144-1
Combination Line Filter Chokes
Common and
Differential Mode
This series of chokes is intended for use in AC line filters
for switching power supplies. They combine common and
differential mode filtering in a single component.
By using these parts, designers can eliminate two extra filter chokes compared to a standard common mode choke.
The unique combination of special windings and materials
provides much better filtering performance than either a
common mode choke or a single winding inductor alone.
The differential filtering frequency response is designed
to provide filtering at higher frequencies while still allowing the AC line power to pass through without loss. This
characteristic is demonstrated in the Differential Mode
Attenuation curves.
Part
number
Common mode
impedance
max (kOhms)
Common mode
inductance
typ (mH)
Differential mode
inductance
typ (µH)
  Irms1
P3717-AL
Q4007-AL
Q4018-AL
597 @ 0.18 MHz
277 @ 0.66 MHz
43.3 @ 1.2 MHz
25.0
4.5
1.5
1000
150
35
3.0
5.0
10
1. Current that causes a 40°C temperature rise from 25°C ambient. This
information is for reference only and does not represent absolute maximum ratings.
2. DCR is specified per winding.
3. Isolation (hipot) measured for one minute.
4. Electrical specifications at 25°C.
(A)
  DCR
max2
(Ohms)
0.30
0.06
0.02
  Isolation3
(Vrms)
1500
1500
1500
Core material Ferrite
Terminations RoHS compliant tin-silver over tin over copper.
Weight 100 – 113 g
Ambient temperature –40°C to +85°C
Storage temperature Component: –40°C to +85°C.
Tray packaging: –40°C to +80°C
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 30 per tray (after 5/09); 16 per tray (prior to 6/09)
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
US +1-847-639-6400 [email protected]
UK +44-1236-730595 [email protected]
Taiwan +886-2-2264 3646 [email protected]
China +86-21-6218 8074 [email protected]
Singapore + 65-6484 8412 [email protected]
Document 144-1 Revised 02/03/16
© Coilcraft Inc. 2016
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.
Document 144-2
Combination Line Filter Chokes
Typical Attenuation (Ref: 50 Ohms)
1.75 max
44,5
1.55 max
39,4
0
10
1.30
max
33,0
Attenuation (dB)
20
30
P3717-AL
Q4007-AL
Q4018-AL
40
8
0.900
22,86
0.150 ±0.03
3,81 ±0,76
50
5
60
1
0.053 ±0.002
1,35 ±0,05
8
70
80
1.00
25,4
Differential mode
Common mode
90
0.1
1.0
10
100
Frequency (MHz)
Typical Impedance
1000
P3717-AL
Q4007-AL
Q4018-AL
Impedance (kOhms)
100
4
1
4
1
0.09
2,28
1.00
25,40
5
8
1
4
8
5
0.900
22,86
10
Recommended
PC Board Layout
Dimensions are in
inches
mm
1
0.1
0.01
Differential mode
Common mode
0.1
1
10
100
Frequency (MHz)
US +1-847-639-6400 [email protected]
UK +44-1236-730595 [email protected]
Taiwan +886-2-2264 3646 [email protected]
China +86-21-6218 8074 [email protected]
Singapore + 65-6484 8412 [email protected]
Document 144-2 Revised 02/03/16
© Coilcraft Inc. 2016
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.