Selection Guide - Nuvotem Talema

CKV Series • Common Mode Interface Chokes for Data and Signal Lines
Features
• High attenuation over a wide frequency range
• Low interwinding and coupling capacitance
• Wide inductance range
• Manufactured in an ISO-9001:2000, TS-16949:2002
and ISO-14001:2004 certified Talema facility
• Other inductance values available upon request
• fully RoHS compliant
Electrical Specifications @ 25°C
Nominal Voltage: 42Vac (50/60Hz), 80Vdc
Operating Temperature: -25° to +85°C
Storage Temperature: -40° to +125°C
Climatic category: according to IEC68-1 25/85/56
Test voltage between windings: 500 Vrms
Test frequency:
Nominal Inductance: measured @ 100kHz, 100mVrms
Leakage Inductance: measured @ 100kHz, 100mVrms
Test Equipment: HP4192A
Part Number
L N (μH)
±30%
CKV Series - Double Chokes for EMI noise suppression
I N L L R C U
( mA)
( μH)
(mOhms)
V P Windings
( Vrms)
per Core
Schematic
CKV-0.12
120
100
0.35
120
500
2 A
CKV-4.7
4700
100
1.00
900
500
2 A
CKV-10
10000
100
1.15
1300
500
2 A
CKV-16
16000
100
1.20
1600
500
2 A
CKV-38
38000
100
3.00
2100
500
2 A
CKV-68
68000
100
2.30
4630
500
2 A
0.100
(2.54)
0.500
(12.70)
0.596
(15.20)
0.291
(7.40)
0.200
(5.08)
1 2
0.693
(17.60)
0.118
(3.00)
0.018 x 0.026
TALEMA IN
Part Nr.
Wk/Yr
4 3 (0.45 x 0.66)
Dimensions: Inches (Millimeters)
Tolerance: ±0.010 (0.25) unless specified otherwise
Schematic
A
1 2
4 3
1,000,000
Impedance Performance
Bifilar Winding
Impedance in Ohms
100,000
10,000
1,000
100
2 x 4.7mH
2 x 10mH
2 x 38mH
10
10 100 1000 10000 100000
Frequency in kHz
THE TALEMA GROUP • Magnetic Components for ISDN / xDSL / LAN Data Communications
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