CPFC8D55_15 Datasheet, PDF (1/6 Pages) Sumida Corporation – It is a signal common mode choke coils, widely used in LAN & communication devices.

COMMON MODE CHOKE COILS
CPFC8D55/MS
Outline
It is a signal common mode choke coils, widely used in LAN & communication devices.
Features
1CT:1CT turn ratio Single CMC Coils.
Reduces radiated EMI emissions.
Suppress common mode noise for EMI reduction
Mechanical Dimension & Recommended General PCB Layout.
1.85
7.65
Unspecified Tolerance is 0.25/ [±0.01]
℃ Electrical Specifications @25
Unit: mm / [Inches]
SPEC
INDUCTANCE
COMMON MODE ATTENUATION
100kHz
100kHz
1MHz
10MHz
D.C.R (1-2)
※ RATED
CURRENT
(3+4)tie
HI-POT
(1,4)-(2,3)
0.5mA,2 Second
CPFC8D55-471 0.47mH (Typ) 10dB(Typ.) 20dB(Typ.) 24dB(Typ.) 0.13Ω Max. 1.6A Max. AC 500Vrms
CPFC8D55-472 4.7mH (Typ) 28dB(Typ.) 40dB(Typ.) 35dB(Typ.) 1.0Ω Max. 0.4A Max. AC 500Vrms
CPFC8D55-902 9.0mH (Typ) 35dB(Typ.) 45dB(Typ.) 35dB(Typ.) 1.6Ω Max. 0.3A Max. AC 500Vrms
0
-5
-10
-15
ATT.(dB)
-20
-25
-30
-35
-40
-45
-50
-55
-60
0.01
www.sumida.com
CPFC8D55/MS CMC ATTENUATION
CPFC8D55-471
CPFC8D55-472
CPFC8D55-902
0.1
1
10
100
Freq.(MHz)
1
Nov-2010