Document 118-1
Low Pass LC Filter Modules
Coilcraft’s family of low pass LC filters are available in 3rd
order Butterworth and 7th order elliptical alignments. These
space saving SIP filters offer all the benefits of an LC
design: low insertion loss, high power handling and con-
trolled group delay.
Built using Coilcraft’s tight tolerance surface mount induc-
tors, these filters can be readily customized to meet your
specific requirements.
• 3rd and 7th order alignments
• 50 Ohm characteristic impedance (75 Ohm versions
also available)
• Less than 0.3 dB insertion loss
Coilcraft
Designer’s Kit D301
contains samples of the
filters shown in bold. To order, contact Coilcraft or visit
http://order.coilcraft.com.
7 Pole Filters
Part
number
P7LP-304L
P7LP-604L
P7LP-155L
P7LP-305L
P7LP-605L
P7LP-156L
P7LP-306L
P7LP-606L
P7LP-157L
P7LP-307L
P7LP-507L
3 Pole Filters
Part
number
P3LP-304L
P3LP-604L
P3LP-155L
P3LP-305L
P3LP-605L
P3LP-156L
P3LP-306L
P3LP-606L
P3LP-157L
P3LP-307L
P3LP-507L
-3
dB cutoff
1
Irms
2
(MHz)
(mA)
0.30
0.60
1.5
3.0
6.0
15
30
60
150
300
500
100
200
200
250
250
300
400
500
600
600
600
-3
dB cutoff
1
Irms
2
(MHz)
(mA)
0.30
0.60
1.5
3.0
6.0
15
30
60
150
300
500
100
200
200
200
300
400
500
500
900
900
500
1. Tested on Network Analyzers Agilent/HP 8753D
Agilent/HP 3577B.
2. Current that causes a 15°C temperature rise from 25°C ambient.
3.
Ambient temperature range:
–40°C to +85°C
4.
Storage temperature range:
Component: –40°C to +85°C
Packaging: –40°C to +80°C
5. Electrical specifications at 25°C.
6. Parts in bold type are included in a Coilcraft Designer’s Kit.
Weight:
Terminations:
Packaging:
P3LP:
0.33 – 0.68g;
P7LP:
0.86 g
Matte-tin over nickel over phos bronze
30 per tray
7 Pole Filters
0.950
max
24,13
0.450
max
11,43
0.01 × 0.02
0,25 × 0,51
P1
0.180
min
4,57
0.100
typ
2,54
0.027
Recommended PC board hole size =
0,69
C2
C4
C6
Output
P1
C1
L1
C3
P2
L2
C5
P4
L3
C7
P6
P9
P8
0.185
max
4,70
3 Pole Filters
0.350
max*
8,89
0.185
max***
4,70
0.500
12,70 max**
Models -304 and -604
* 0.406/11,68
** 0.510/12,95
*** 0.220/5,59
P1
0.180
min
4,57
Input
0.01 × 0.02
0.100
typ
0,25 × 0,51
2,54
0.027
Recommended PC board hole size =
0,69
Input
P1
L1
P2
C1
L2
Output
P3
Specifications subject to change without notice.
Please check our website for latest information.
Document 118-1
Revised 10/30/08
© Coilcraft, Inc. 2009
Document 118-2
7 Pole Filters*
0
10
0
10
P7LP-605
Attenuation (dB)
Attenuation (dB)
20
30
40
P7LP-304
P7LP-604
20
30
40
50
60
70
80
P7LP-155
P7LP-305
50
60
70
80
0.1
1
10
1
10
100
Frequency (MHz)
0
10
0
10
Frequency (MHz)
Attenuation (dB)
Attenuation (dB)
20
30
40
50
60
70
80
10
100
1000
P7LP-156
P7LP-306
P7LP-606
20
P7LP-307
P7LP-507
30
40
50
60
70
80
100
1000
10000
P7LP-157
Frequency (MHz)
Frequency (MHz)
3 Pole Filters*
0
0
P3LP-304
P3LP-604
Attenuation (dB)
Attenuation (dB)
10
20
30
40
50
60
70
0.1
1
10
20
30
40
50
60
70
1
P3LP-305
P3LP-155
P3LP-605
10
10
100
Frequency (MHz)
0
0
Frequency (MHz)
Attenuation (dB)
Attenuation (dB)
10
20
30
40
50
60
70
10
P3LP-306
P3LP-606
10
20
30
40
50
60
P3LP-307
P3LP-507
P3LP-156
P3LP-157
100
1000
70
100
1000
10000
Frequency (MHz)
*Measured on Agilent/HP 8753D network analyzer (re: 50 )
Frequency (MHz)
Specifications subject to change without notice.
Please check our website for latest information.
Document 118-2 Revised 10/30/08
© Coilcraft, Inc. 2009
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