BLM18RK221SN1D Murata, BLM18RK221SN1D Datasheet - Page 167

• Manufacturer Part Number: BLM18RK221SN1D
• Description: EMI/RFI Suppressors & Ferrites 0603 220ohms Digital Interface Tape
• Manufacturer: Murata

Specifications of BLM18RK221SN1D

• Shielding: Unshielded
• Test Frequency: 100 MHz
• Product: Chip Ferrite Beads
• Impedance: 220 Ohms
• Tolerance: 25 %
• Maximum Dc Current: 200 mAmps
• Maximum Dc Resistance: 0.3 Ohms
• Operating Temperature Range: - 55 C to + 125 C
• Package / Case: 0603 (1608 metric)
• Termination Style: SMD/SMT
• Dc Resistance Max: 0.3ohm
• Dc Current Rating: 200mA
• Ferrite Mounting: SMD
• Ferrite Case Style: 0603 / 1608
• Operating Temperature Max: +125°C
• Operating Temperature Min: -55°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

!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
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