BLM18AG102SN1 Murata, BLM18AG102SN1 Datasheet - Page 212

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BLM18AG102SN1

Manufacturer Part Number
BLM18AG102SN1
Description
Manufacturer
Murata
Datasheet

Specifications of BLM18AG102SN1

Mounting Style
Surface Mount
Termination
Flat Style
Operating Temp Range
-55C to 125C
Current Rating (max)
0.4A
Product Height (mm)
0.8mm
Product Depth (mm)
0.8mm
Product Length (mm)
1.6mm
Lead Free Status / RoHS Status
Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BLM18AG102SN1B
Manufacturer:
MURATA
Quantity:
240 000
Part Number:
BLM18AG102SN1D
Manufacturer:
MURATA
Quantity:
450
Part Number:
BLM18AG102SN1D
Manufacturer:
MURATA
Quantity:
8 000
Part Number:
BLM18AG102SN1D
Manufacturer:
MURATA/村田
Quantity:
20 000
Part Number:
BLM18AG102SN1J
Manufacturer:
MURATA
Quantity:
240 000
!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
sales representatives or product engineers before ordering.
!Note
7. Characteristics of Inductors Used
8. Capacitive-Inductive EMI Suppression Filters
9. Other EMI Suppression Filters
210
Principles of Noise Suppression by DC EMIFILr
in EMI Suppression Filters
General-purpose inductors also function to suppress
noise when configured in series with a noise producing
circuit. However, when general-purpose inductors are
used, resonance may result in peripheral circuits, signal
wave forms may become distorted, and satisfactory
impedance may not be obtained at noise frequencies
(due to insufficient high frequency impedance
characteristics).
The inductors used for Murata's EMI suppression filters
are designed to function nearly as a resistor at noise
frequencies, which greatly reduces the possibility of
resonance and leaves signal wave forms undistorted.
And since sufficient impedance is obtained for
frequencies ranging to hundreds of MHz, these
specifically designed inductors operate effectively to
suppress high-frequency noise. (See Fig.)
If capacitive and inductive suppression characteristics are
combined, it is possible to configure a much higher
performance filter. In signal circuit applications where this
combination is applied, noise suppression effects which
have little influence on the signal wave form become
possible.
This type of filter is also effective in the suppression of
high-speed signal circuit noise. When used in DC power
circuits, capacitive-inductive filters prevent resonance
from occurring in peripheral circuits, thus making it
possible to achieve significant noise suppression under
normal service conditions.
In addition to the capacitive-inductive filter, Murata also
has an EMI suppression filter (EMIGUARDr) combining
a capacitor with a varistor, useful for surge absorption;
and a common mode choke coil effective, for common
mode noise suppression.
Murata also has a range of built-in filter connectors which
greatly reduce filter mounting space requirements.
Continued from the preceding page.
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
Equivalent Circuit
Example of impedance frequency characteristics of
inductor type EMIFILr
(Resistance element becomes dominant at high frequency.)
160
140
120
100
80
60
40
20
0
0.5 1
BL02RN2
2
5 10 20
Frequency (MHz)
Z
R(f)
R
Continued on the following page.
50 100 200 500 1000
X
C31E.pdf
08.9.1

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