CO
M
PL
IA
NT
EMI T Network Filters
EMI T Series
Part
Number
EMI220T-RC
EMI470T-RC
EMI101T-RC
EMI221T-RC
EMI271T-RC
EMI471T-RC
EMI102T-RC
EMI222T-RC
EMI332T-RC
EMI103T-RC
†
Ro
HS
Special Features
• Ferrite beads and chip capacitor T
network EMI filters
• Excellent noise filtering capability at
high frequency
• Taped packaged for automated insertion
• Rated current: 5 A
• Rated voltage: 50 VDC
• DC resistance: 0.05 Ohms max.
• Insulation resistance: 10 G Ohms @ 50 VDC
• Dielectric withstanding voltage: 125 VDC
• Operating temperature: -25 to +85 °C
• Ammo pack 2000 / Box
Cp (pF)
@ 1 KHz
25 dB Attenuation
Frequency (MHz)
800 – 1000
550 – 700
350 – 500
200 – 350
200 – 300
120 – 300
70 – 200
45 – 200
35 – 200
15 - 200
15 dB Attenuation
Frequency (MHz)
200 – 800
350 – 800
200 – 800
100 – 800
80 – 800
50 – 800
30 – 800
20 – 800
15 – 800
6 - 800
22 ±20 %
47 ±20 %
100 ±20 %
220 ±20 %
270 ±20 %
470 ±20 %
1000 ±20 %
2200 ±20 %
3300 ±20 %
10,000 -20 %, +80 %
“-RC” suffix indicates RoHS compliance.
Typical Applications
• Personal computers, printers, hard drives
and telecommunication equipment
• Digital audio and video equipment
• Switch power supplies and AC adapters
• Automotive electronics
• Industrial electronic devices
0
10
Typical Attenuation Characteristics
Attenuation (dB)
20
30
40
50
60
70
0.5
1
5
10
50
100
500 1000
1
2
3
4
5
6
7
8
9
10
-
-
-
-
-
-
-
-
-
-
EMI220T-RC
EMI470T-RC
EMI101T-RC
EMI221T-RC
EMI271T-RC
EMI471T-RC
EMI102T-RC
EMI222T-RC
EMI332T-RC
EMI103T-RC
10
7
9
8
6
5
4
3
2
1
† RoHS Directive 2002/95/EC Jan 27 2003
including Annex.
Frequency (MHz)
Marking
9.0
Max.
YYMMDD
Ferrite Bead
3.2 Max.
8.0 Max.
Ferrite Bead
C101
Cp
<1>
2.5
2.5
Dimensions: mm
0.5 Dia.
<1> Beads exposure <1 mm (0.039 ”)
Tel. (877) 426-8767 • Fax (951) 781-5006
REV. 11/09
www.bourns.com
28.1
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
