On-Board Type (DC) EMI Suppression Filters (EMIFILr)
On-Board Type (DC) EMI Suppression Filters ("EMIFIL")
On-Board Type (DC) EMI Suppression Filters ("EMIFIL")
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C31E.pdf<br />
08.9.1<br />
NFM41P Series<br />
The chip "<strong>EMI</strong>FIL" NFM41P series consists of three<br />
terminal structure. These components are able to be<br />
applied to large current <strong>DC</strong> power lines. NFM41P series<br />
are suitable in noise suppression in <strong>DC</strong> lines where<br />
relatively large currents operate.<br />
0.4±0.3<br />
1.5±0.3<br />
0.7 min.<br />
4.5±0.3<br />
(2)<br />
1.6±0.3<br />
1.0±0.2<br />
■ Features<br />
1. Large rated current 6A (max.) is suitable for the<br />
application in <strong>DC</strong> power lines.<br />
2. High electrostatic capacitance and remarkable high<br />
frequency performance are effective for immunity<br />
against surge noise and pulse noise.<br />
■ Applications<br />
1. Personal computers, word processors and peripherals<br />
2. Telephones, PPCs, communication equipment, etc.<br />
3. Digital TVs, DVDs<br />
4. Telecommunications equipment<br />
NFM41P Series<br />
(1) (3)<br />
(2)<br />
0.3 +0.3<br />
-0.2<br />
1.6±0.3<br />
: Electrode<br />
(in mm)<br />
2<br />
Part Number<br />
Capacitance<br />
(µF)<br />
Rated Voltage<br />
(Vdc)<br />
Rated Current<br />
(A)<br />
Insulation Resistance<br />
(min.)<br />
(M ohm)<br />
Operating Temperature Range<br />
(°C)<br />
NFM41PC204F1H3 0.2 +80%,-20% 50 2 1000 -55 to +85<br />
NFM41PC155B1E3 1.5 +20%,-20% 25 6 300 -55 to +85<br />
■ Equivalent Circuit<br />
■ Insertion Loss Characteristics<br />
0<br />
(50Ω - 50Ω)<br />
20<br />
(1) Input<br />
Output (3)<br />
GND<br />
No polarity.<br />
Insertion Loss (dB)<br />
40<br />
60<br />
(2)<br />
80<br />
NFM41PC204F1H3<br />
NFM41PC155B1E3<br />
100<br />
1 10 100 1000<br />
Frequency (MHz)<br />
119
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