(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specifications before ordering.
C50E.pdf 05.1.28
On-Board Type (DC)
EMI Suppression Filters
(EMIFILr) for Automotive
Murata
Manufacturing Co., Ltd.
Cat.No.C50E
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C50E.pdf 05.1.28
CONTENTS
1
EMIFILr and "EMIFIL" in this catalog are
the trademarks of Murata Manufacturing Co., Ltd.
Products Guide/Effective Frequency Range
1
Chip Ferrite Beads
Part Numbering
Chip Ferrite Beads BLM18 Series
Specifications and Test Methods
2
2
3
4
14
3
2
Chip EMIFILr
Part Numbering
Chip EMIFILr Capacitor Type NFM21H Series
Specifications and Test Methods
16
17
18
20
21
Chip EMIFILr LC Combined Type for Large Current NFE61H Series
Specifications and Test Methods
3
Chip Common Mode Choke Coils
Part Numbering
Chip Common Mode Choke Coil DLW31S Series
Specifications and Test Methods
23
24
25
28
29
33
34
36
41
!Caution/Notice
Soldering and Mounting
Package
Design Kits
Outlines of Major Noise Regulation Standards
Noise Suppression Principles by DC EMIFILr
Recycled Paper
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C50E.pdf 05.1.28
Products Guide/Effective Frequency Range
Product Guide
Type
Inductor
Type
Standard
For High
Speed Signals
For High
Current
Capacitor
Type
Standard
Type
T Filter for
High Current
Chip Common Mode
Choke Coils
Series
BLM18A
BLM18B
BLM18P
NFM21H
NFE61H
DLW31S
Dimensions
(mm)
1.6
0.8
1.6
0.8
1.6
0.8
2.0
1.25
6.8
1.6
3.2
1.6
Effective Frequency Range
10kHz 100kHz 1MHz 10MHz100MHz 1GHz 10GHz
EIA Code
0603
0603
0603
0805
2706
1206
2
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C50E.pdf 05.1.28
On-Board Type (DC) EMI Suppression Filters (EMIFILr) for Automotive
Chip Ferrite Beads
Part Numbering
1
Chip Ferrite Beads for Automotive
(Part Number)
qProduct
ID
Product ID
BL
wType
Code
M
eDimensions
(LgW)
Code
18
Dimensions (LgW)
1.6g0.8mm
EIA
0603
iNumber
of Circuits
Code
1
rCharacteristics/Applications
Code
*1
AG
BA
BB
BD
PG
for Power Supplies
for High-speed Signal Lines
BLM18
Characteristics/Applications
for General Use
Series
oPackaging
Code
B
J
D
C
Packaging
Bulk
Paper Taping (ø330mm Reel)
Paper Taping (ø180mm Reel)
Bulk Case
BLM18
Series
Number of Circuits
1 Circuit
Type
Monolithic Type
uCategory
Code
H
Category
For Automotive
Chip Ferrite Beads
BL
q
M
w
18
e
AG
r
102
t
S
H
1 D
yPerformance
Expressed by a letter.
Ex.)
Code
S/T
Performance
Sn Plating
y u i o
*1 Frequency characteristics vary with each code.
tImpedance
Expressed by three figures. The unit is in ohm (Ω). The first and
second figures are significant digits, and the third figure
expresses the number of zeros which follow the two figures.
3
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C50E.pdf 05.1.28
1
On-Board Type (DC) EMI Suppression Filters (EMIFILr) for Automotive
Chip Ferrite Beads BLM18 Series
BLM18A Series
s
Features
The chip ferrite beads BLM series is designed to
function nearly as a resistor at noise frequencies,
which greatly reduces the possibility of resonance and
leaves signal wave forms undistorted.
The BLM series is effective in circuits without stable
ground lines because the BLM series does not need a
I have a college degree, majoring in computer network, and have worked in SMT for a year. I am very interested in PCB design. I have a good understanding of electronics, circuits, and materials. I thi...
Can anyone tell me how to use USB to start the embedded wince system. That is, use the USB disk to read the system. At the same time, it will not affect the original system of the machine. I hope you ...
What registration information should be filled in the stream driver registration table? Can any elder brother teach me and help me as detailed as possible! ! !...
Original text: Let's talk about pain first, because we usually don't seem to need to control our happiness. No matter who you are, your life is full of various kinds of pain, including physical, menta...
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
There are many different ways of human-computer interaction. The more common ones are listed below:
Mouse interaction: Using a mouse to operate a computer and interact was the most common human...[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
As the scale and business applications of national e-government networks continue to expand, the data and services transmitted over them are becoming increasingly sensitive and critical. To protect...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
Normally, we determine our location and where we want to go by comparing our surroundings with observation and simple GPS tools. However, this kind of reasoning is very difficult for self-driving c...[Details]
The MCX E series is the most reliability- and safety-focused series in NXP's extensive MCX product portfolio.
With the launch of this series, NXP has further enriched its 5V-compatible MCU pr...[Details]
Teletrac Navman has launched the Multi IQ dashcam, a cloud-based solution designed for large commercial vehicle operators. It connects up to five cameras to cover the vehicle's interior, sides, and...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
In the period after the switching power supply achieved the "20 kHz" revolution in the 1970s, although improvements and enhancements were made in circuit technology, the development level of the se...[Details]
Puttshack's Trackaball uses the Nordic nRF54L15 system-on-chip (SoC) to monitor sensors and enable Bluetooth low energy connectivity, while the nPM2100 power management integrated circuit (PMIC) ...[Details]
As a pioneer in the new smart home concept, robot vacuums have captured a significant market share. Robot vacuums, also known as automatic sweepers, smart vacuums, or robot vacuums, are smart home ...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
On August 20, it was reported that the specifications of Intel's upcoming Panther Lake mobile processor appeared on the Intel GFX CI website, which mainly focuses on Intel's open source Linux drive...[Details]
A Beijing chemical project utilizes a distributed control system (DCS). The master control system primarily uses the Modbus protocol, while the remote field devices utilize the PROFIBUS-DP protocol...[Details]