BLM15BD421PN1D Murata, BLM15BD421PN1D Datasheet - Page 167
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BLM15BD421PN1D
Manufacturer Part Number
BLM15BD421PN1D
Description
Manufacturer
Murata
Datasheet
1.BLM15BD421PN1D.pdf
(215 pages)
Specifications of BLM15BD421PN1D
Mounting Style
Surface Mount
Termination
Flat Style
Operating Temp Range
-55C to 125C
Product Height (mm)
0.5mm
Product Depth (mm)
0.5mm
Product Length (mm)
1mm
Lead Free Status / RoHS Status
Compliant
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!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.
!Noise Absorption Effect of EMIGUARDr (VFS9V)
!Comparative Data (VFS9V)
1. Absorption of quick-rising, high-frequency noise (10ns/div, 100V/div)
!Note
EMI Suppression Effect
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.
Two terminal capacitor
(with varistor function)
Conventional varistor
without EMIGUARD
with EMIGUARD
without Filters
Type of Filter
Type of Filter
VFS9V
12-22
223S
D
r
r
100
100
90
80
20
10
90
80
20
10
0%
0%
100
100
100
1 1 0 0
EMI Suppression Effect
EMI Suppression Effect
90
80
20
1 1 0 0
90
80
20
90
80
1 1 0 0
0%
20
0%
0%
Noise wave applied
Noise Suppression Effect of VFR/VFS Series
50ns
: 200V/div
: 10ns/div
: 200V/div
: 10ns/div
Waveform when EMIGUARDr is not
used.
(Surge from a noise simulator)
Waveform after the noise passed
through EMIGUARDr. Little noise is
recorded.
As with the two terminal capacitor
The two terminal capacitor is influenced
by lead line inductance, leaving behind
some of the rising and falling edges.
The residual noise can cause the
system to malfunction.
The three terminal structure eliminates
most of the lead line inductance. This
allows VFS9V to completely absorb the
rising and falling edges of the applied
pulses.
Continued on the following page.
Description
Description
165
C31E.pdf
08.9.1
5
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