PSG
B
CG
CG
CG
CB
PSG
B
CG
CG
CG
CB
PSG
B
L
1
L
3
C
2
C
1
L
2
B
PSG
CB
CG
260
CG01-I
EMI LEADED FILTERS
EMI SUPPRESSION FILTERS
BLOCK FILTERS
BNX002/003/005 Series
Block-type BNX002 filters completely eliminate noise from
extremely wide frequency bands. The BNX002 is perfect
for use in DC power circuits and is designed to perform
superbly—through the use of through-type barrier layer
capacitors, monolithic chip capacitors and bead inductors.
Each block contains a number of compact EMI suppression
filters. In addition, the input/output terminals and the grounding
terminal are aligned in the same direction, thus permitting fast
and easy assembly on any type of PC board.
APPLICATIONS
Noise elimination from signal lines and DC power sources in a
variety of switching power sources,
engine control units, digital
equipment and computer terminals.
I
The filter is extremely compact since only one filter block
is needed to completely eliminate noise from both the
positive and ground lines.
I
There are no connections in the feed-thru current circuits,
thus ensuring highly reliable performance.
I
Both the input/output terminals and the grounding terminal
are aligned in the same direction, permitting fast and easy
installation on any type of PC board.
FEATURES
I
The BNX002 incorporates feed-thru-type barrier
layer
capacitor and a chip capacitor which are interconnected.
This combination enables the BNX002 to achieve a
significantly large insertion loss throughout the extremely
wide frequency range of 0.5MHz to 1GHz, which covers
the AM and UHF-TV broadcast frequency bands.
I
Non polarized—but care must be taken to ensure that
terminal with inductor on ground line faces EMI source.
PSG
B
CG
CG
CG
CB
PSG
CB
CG
CG
CG
B
DIMENSIONS: mm
SPECIFICATIONS
Item
Part Number
Operating Temperature
Range
Rated Voltage
Test Voltage
Maximum Current
Capacity
Insulation Resistance
EQUIVALENT CIRCUIT
Specifications
BNX003-01
BNX002-01
BNX005-01
–30°C to +85°C
50VDC
125VDC
150VDC
375VDC
50VDC
125VDC
10ADC
15ADC
1000M Ohms min.
5MHz to 1GHz
40dB min.
1MHz to 1GHz
40dB min.
1MHz to 1GHz
40dB min.
Insertion Loss
20°C to 25°C Line Impedance = 50 Ohms
RECOMMENDED P.C. BOARD PATTERN
PSG: Power Supply Ground
CG: Circuit Ground
CB: Circuit B
TOP VIEW
BOTTOM VIEW
Top View PCB
Bottom View Filter
Available as standard through authorized Murata Electronics Distributors.
12.0 ± 0.5
11.0 ± 0.5
5.0 ± 0.5
0.6 ± 0.1
2.5 ± 0.2
0.8 D.
7.5 ± 0.2
For 01.0
2.5 ± 0.1
5.0 ± 0.1
7.5 ± 0.1
Ground
2.5 ± 0.2
*BNX005-01 = 13.5 and 18.5
2.5 ± 0.1
2.5 ± 0.1
13.0 max.*
1.2 D.x6
max.
3.5 ±1.0