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 />
<strong>On</strong>-<strong>Board</strong> <strong>Type</strong> (<strong>DC</strong>) <strong>EMI</strong> <strong>Suppression</strong> <strong>Filters</strong> (<strong>EMI</strong>FILr)<br />
Chip <strong>EMI</strong>FILr LC Combined <strong>Type</strong> for Large Current NFE31P/61P Series<br />
NFE31P Series<br />
The chip "<strong>EMI</strong>FIL" NFE31P is a small size T-type<br />
circuit <strong>EMI</strong> suppression filter.<br />
0.7±0.2 1.0±0.2 0.7±0.2<br />
(1) (2) (3)<br />
■ Features<br />
1. Its large rated current of 6A and low voltage drop<br />
due to small <strong>DC</strong> resistance are suitable for <strong>DC</strong><br />
power line use.<br />
2. The feedthrough capacitor realizes excellent high<br />
frequency characteristics.<br />
3. The structure incorporates built-in ferrite beads<br />
which minimize resonance with surrounding circuits.<br />
4. 22 to 2,200pF lineups can be used in signal lines.<br />
NFE31P Series<br />
1.6±0.15<br />
3.2±0.35 1.6±0.15<br />
(in mm)<br />
2<br />
Part Number<br />
Capacitance<br />
(pF)<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 />
NFE31PT220R1E9 22 +30%,-30% 25 6 1000 -40 to +85<br />
NFE31PT470C1E9 47 +50%,-20% 25 6 1000 -40 to +85<br />
NFE31PT101C1E9 100 +80%,-20% 25 6 1000 -40 to +85<br />
NFE31PT221D1E9 220 +50%,-20% 25 6 1000 -40 to +85<br />
NFE31PT471F1E9 470 +50%,-20% 25 6 1000 -40 to +85<br />
NFE31PT152Z1E9 1500 +50%,-20% 25 6 1000 -40 to +85<br />
NFE31PT222Z1E9 2200 +50%,-50% 25 6 1000 -40 to +85<br />
■ Equivalent Circuit<br />
■ Insertion Loss Characteristics<br />
0<br />
10<br />
(50Ω - 50Ω)<br />
NFE31PT220R1E9<br />
NFE31PT470C1E9<br />
Input<br />
Output<br />
(1) (3)<br />
GND<br />
(2)<br />
Insertion Loss (dB)<br />
20<br />
30<br />
40<br />
NFE31PT101C1E9<br />
NFE31PT221D1E9<br />
NFE31PT471F1E9<br />
NFE31PT152Z1E9<br />
NFE31PT222Z1E9<br />
No polarity.<br />
50<br />
1 10 100 1000 2000<br />
Frequency (MHz)<br />
121
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