COILCRAFT DLF

Document 149
Data Line EMI Filters – Leaded
These filters are designed to virtually eliminate conducted EMI in data line applications. They provide
exceptional common mode noise reduction from 5 MHz
to 300 MHz while passing signal line data frequencies
below 200 MHz with minimal attenuation.
These low resistance filters feature excellent electrical
isolation, environmental stability and low cost. Optional
covers make them auto insertable. They also meet IEC
695-2-2 needle flame test requirements. There are 8, 4,
3 and 2-line versions with DC current capacity of 100 mA
(DLF X000 series) or 500 mA (DLF X500 series).
Coilcraft Designer’s Kit D303 contains four samples of
all values shown plus samples of our PDLF and CCDLF
surface mount filters. To order, contact Coilcraft or visit
http://order.coilcraft.com.
Current
DCR
max
L / winding
max
Lines (mA)
(µH)
(mOhms)
8
100
28
100
8
500
25
45
4
100
28
100
4
500
24
45
3
100
28
100
3
500
24
45
2
100
28
100
2
500
24
45
Typical Response (Measured on an HP 8753D network analyzer. Ref: 50 Ohms)
Isolation
(Vrms)
300
300
300
300
300
300
300
300
0
Attenuation (dB)
Part
number1
DLF 8000L
DLF 8500L
DLF 4000L
DLF 4500L
DLF 3000L
DLF 3500L
DLF 2000L
DLF 2500L
1. For optional cover add “C” to part number just before the “L”: e.g. DLF 8500CL.
Not available on 3500, 4000 and 4500 parts.
2. Operating temperature range -40°C to +85°C.
3. Electrical specifications at 25°C.
0.450
11,43
0.475
max
12,07
0.0315
dia
0,800
0.125 ±0.020
3,18 ±0,51
Dimensions are in
0.1
inches
mm
10
100
1000
Frequency (MHz)
0.350
8,90
8 line
4 line
3 line
2 line
0.100
2,54
0.700
ref
17,78
0.858
21,79
0.100
2,54
0.100
2,54
0.200
5,08
Terminations: Tin-silver over tin over phos bronze
Weight:
DLF2000: 0.74 g; DLF2500: 0.78 g
DLF3000: 0.83 g; DLF3500: 0.91 g
DLF4000: 0.95 g; DLF4500: 1.09 9
DLF8000: 1.56 g; DLF8500: 2.22 g
0.0315 dia
0,80
0.430
10,9
2 line
and
3 line
16 15 14 13 12 11 10 9
8 7 6 5
6 5 4
6 4
1 2 3 4 5 6 7 8
1 2 3 4
1 2 3
1 3
Specifications subject to change without notice.
Please check our website for latest information.
© Coilcraft, Inc. 2009
1
0.350
8,90
8 line
0.455
11,56
Co
m
DL mon
F
X0 Mod
00 e
20
30
0.100
2,54
Pin 1
m
DL mo
F nM
X5 o
00 de
0.450
11,43
0.650
16,51
0.300
7,62
Co
10
0.850
max
21,59
0.300
7,62
0.110 ±0.010
2,79 ±0,25
Differential Mode
Document 149
Revised 10/04/07