WE-CNSW
SMD Common Mode Noise Suppressor
Size 1812
Characteristics
77
High common mode noise suppression at high
frequencies
77
Small influence on high speed signals through
winding symmetry
77
Operating temperature:
–40 ºC to +125 ºC
QR-Code
Applications
77
USB 2.0
77
IEEE 1394 (Firewire)
77
LVDS
77
High Speed Data Lines
77
LAN
High currents
up to 2 A
Electrical properties
Order Code
744 235 900
744 235 601
744 235 801
744 235 110
744 235 220
Z @ 100 MHz
(Ω)
90
600
800
5000
8000
L
(µH)
0.3
1.0
1.3
11.0
22.0
I
R
(mA)
2000
1200
1000
450
250
R
DC
(mΩ)
50
120
120
800
2650
50
500
U
R
(V)
Qty.
Dimensions (in mm)
1
4
1,0 ±0,1
2
3
1,2 ±0,1
Schematic
Land pattern (in mm)
4,5 ±0,2
4
3
4
3
1
2
1
1,15
2,5
2
1,55
0,7
3,2 ±0,2
09/12
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2,8 ±0,2
3
WE-CNSW
SMD Common Mode Noise Suppressor
Size 1812
Typical impedance characteristics
744 235 900
10000
Impedanz/impedance ( )
Impedanz/impedance ( )
744 235 601
10000
744 235 801
10000
Impedanz/impedance ( )
1000
1000
1000
100
100
100
10
10
10
1
1
10
Z (com)
100
Z (dif)
1000
Frequenz/frequency (MHz)
1
1
10
Z (com)
100
Z (dif)
1000
Frequenz/frequency (MHz)
1
1
10
Z (com)
100
Z (dif)
1000
Frequenz/frequency (MHz)
744 235 110
10000
Impedanz/impedance ( )
744 235 220
10000
Impedanz/impedance ( )
1000
1000
100
100
10
10
1
1
10
Z (com)
100
Z (dif)
1000
Frequenz/frequency (MHz)
1
1
10
Z (com)
100
Z (dif)
1000
Frequenz/frequency (MHz)
4
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09/12
WE-TFCH
Common Mode Power Line Choke
Characteristics
77
Approximate 1% stray inductance for symmetrical
interference suppression
77
Optimized frequency range: 10 kHz to 100 MHz
77
Attenuation up to 65 dB
77
Inductance tolerance: +50%/–30%
77
Operating temperature: –40 °C to +125 °C
Applications
77
Mains filter
77
Suppression of common mode noise
77
Compact switch mode power supplies
77
Electronic ballast applications (LED bulb)
77
Lighting
77
White goods
QR-Code
Tiny design
only 12.5 mm
height
Electrical properties
Order Code
744 861 018
744 861 033
744 861 056
744 861 082
744 861 120
744 861 180
744 861 250
L
(mH)
1.8
3.3
5.6
8.2
12.0
18.0
25.0
I
R
(A)
1.00
0.80
0.60
0.50
0.40
0.30
0.25
R
DC
(Ω)
0.31
0.51
0.83
1.30
2.00
3.10
3.60
725
Qty.
Dimensions (in mm)
4
3
1
2
8,0
17,00 max
12,5 max
2
1
Hole pattern (in mm)
8,0
3
4
∅
1,19
15,5 max
Schematics
7,0
Technical data:
Rated voltage:
Frequency:
Insulation test voltage:
Climate category:
Housing:
Rated Current:
250 V
AC
50/60 Hz
2000 V
AC
40/125/21
UL94 V-0
relating to TU = 70 ºC max.
over TU = 70 ºC apply:
I = I
R
·
Common Mode
Differential Mode
125 ºC – TU
55 ºC
09/12
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3,0 min
0,60 typ
7,0
5
WE-TFCH
Common Mode Power Line Choke
Insertion loss common mode
65
60
Einfügedämpfung/attenuation (dB)
55
50
45
40
35
30
25
20
15
10
5
0
0.01
0.1
1
Frequenz/frequency (MHz)
10
100
744 861 250
744 861 180
744 861 120
744 861 082
744 861 056
744 861 033
744 861 018
Insertion loss differential mode
55
50
Einfügedämpfung/attenuation (dB)
45
40
35
30
25
20
15
10
5
0
0.01
0.1
1
Frequenz/frequency (MHz)
10
100
744 861 250
744 861 180
744 861 120
744 861 082
744 861 056
744 861 033
744 861 018
6
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09/12
WE-SECF
SMD EMI Contact Finger
Characteristics
77
Material: Copper Beryllium (CuBe) gold-plated (AU)
77
Corrosion resistant
77
Wear resistant
77
High temperatures and mechanical weight have no
influence on the excellent connection properties
77
Reliable solderability
77
Tape & reel packaging
77
Perfectly suited for automated placement
77
Different types and sizes available
Applications
77
Contact between PCB's ground and housing
77
Low impedance RF connection between PCBs and/or
PCB and metal case
QR-Code
Automated
placement of
EMI Shielding
Mechanical properties
Order Code
331 011 452 048
331 031 271 520
331 031 321 515
331 041 402 053
331 051 472 057
331 061 603 010
331 081 302 025
331 141 352 540
331 151 702 562
331 161 452 070
331 161 702 513
331 171 302 030
331 171 302 035
331 211 503 040
331 221 602 040
Type
0148
0315
0320
0453
0557
0610
0825
1440
1562
1670
1613
1730
1735
2140
2240
Length
(mm)
4.60
2.70
3.20
4.10
4.70
6.00
3.00
3.50
7.15
4.50
7.00
3.15
3.00
5.00
6.00
Width
(mm)
2.00
1.50
1.50
2.00
2.00
3.00
2.00
2.50
2.50
2.00
2.50
2.00
2.00
3.00
2.00
Height
(mm)
4.80
2.00
1.50
5.30
5.70
10.00
2.50
4.00
6.20
7.00
13.00
3.00
3.50
4.00
4.00
Qty.
1500
3500
4500
1500
1500
500
5500
2000
1200
1000
200
2500
2000
2000
1800
Dimensions type 0148 (in mm)
Dimensions type 0315 (in mm)
Dimensions type 0320 (in mm)
1,0 ref
2,7 ±0,2
4,8 ±0,2
1,0 ±0,2
3,2 ±0,2
0,5 ref
1,5 ±0,2
1,5 ref
0,1 ref
2,0 ±0,2
0,1 ref
0,08 ref
2,0 ref
2,0 ref
1,05 ref
1,0 ref
1,2 ref
1,5 ref
0,1 ref
09/12
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0,3 ±0,2
4,6 ±0,2
0,8 ±0,2
1,6 ref
2,8 ±0,2
∅
0,6 ref
1,35 ref
2,2 ±0,2
∅
0,8 ref
1,6 ref
3,6 ±0,2
∅
0,8 ref
7
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