Nordtek
 

CFJ - Compact Common Mode Chokes

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Preliminary Data Sheet

Features

  • EMI noise suppression for data and signal line filtering
  • Low cost, compact SMD design provides consistent and reliable co-planarity
  • High attenuation over a wide frequency range
  • Manufactured in ISO-9001 approved facility
  • Other inductance values available upon request
   CFJ - Compact Common Mode Chokes

Electrical Specifications @ 25°C

Operating Temperature: 0° to 70°C
Storage Temperature: -25°A to 105°C
Test voltage between windings: 500 Vrms
Test Frequency: Inductance measured @ 100kHz/20mVrms


Common Mode Chokes for Data and Signal Line EMI Noise Suppression

Part Number Number of Data Lines OCL
(µH ±30%)		 IN
(mA)		 DCR
(mOhm Typ.)		 Number of Coils Windings per Core Schematic
Double Chokes
 CFJ-3-470B 2 47 850 60 1 2 B
Tri Chokes - 3 windings per core
 CFJ-3-240A
 CFJ-3-101A
 CFJ-3-471A		 3
3
3		 24
100
470		 1.000
700
700		 45
110
50		 1
1
1		 3
3
3		 A
A
A
 CFJ-3-681A
 CFJ-3-102A
 CFJ-3-152A		 3
3
3		 681
1.000
1.500		 700
700
650		 55
70
105		 1
1
1		 3
3
3		 A
A
A
 CFJ-3-222A
 CFJ-3-332A
 CFJ-3-472A		 3
3
3		 2.200
3.300
4.700		 600
400
350		 125
215
340		 1
1
1		 3
3
3		 A
A
A
Quad Chokes - 4 windings per core
 CFJ-4-330A
 CFJ-4-470A
 CFJ-4-101A		 4
4
4		 33
47
100		 550
540
360		 65
80
160		 1
1
1		 4
4
4		 A
A
A
 CFJ-4-471A
 CFJ-4-102A
 CFJ-4-472A		 4
4
4		 471
1.000
4.700		 450
450
220		 65
85
430		 1
1
1		 4
4
4		 A
A
A
Quad Chokes - 2 cores with double windings
 CFJ-4-240B
 CFJ-4-470B
 CFJ-4-101B		 4
4
4		 24
47
100		 560
450
400		 80
110
80		 2
2
2		 2
2
2		 B
B
B

Dimensions & Schematics



Dimensions & Schematics