(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 review our product specifications or consult the approval sheet for product specifications before ordering.
C31E.pdf
Mar.28,2011
BL
Chip Ferrite Bead
Series Introduction
Part Numbering
Series Line Up
Product Detail
!Caution/Notice
Soldering and Mounting
Packaging
Design Kits
p
14
17
22
90
91
95
96
!Note
• 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 review our product specifications or consult the approval sheet for product specifications before ordering.
C31E.pdf
Mar.28,2011
Block Type EMIFILr
Chip Common Mode Choke Coil
Chip EMIFILr
16
Chip Ferrite Bead
BL
p
Chip Ferrite Bead
Series Introduction
•
Example of Chip Ferrite Bead BLM Series Structure
Inner Electrode
Outer Electrode
Ferrite Sheet
Through Hole
Cross Section
Equivalent Circuit
Chip EMIFILr
•
Line Up Classification of
Chip Ferrite Bead
1600
1400
Meet High-GHz
Band Noise
Impedance (Ω)
1200
1000
800
600
400
High-GHz Band
BLM_G Series
BLM18G
p
BLM15G
p
High
Chip Common Mode Choke Coil
200
0
1
10
100
1000
10000
Frequency (MHz)
BLM_H Series
GHz Band
Noise
Frequency Band
BLM_E Series
BLM18E
p
BLM15E
p
BLM18H
p
BLM15H
p
Block Type EMIFILr
BLM standard line up
•RK(for digital interfaces)
•AG (for general signal lines)
•Bp (for high speed signal lines)
BLM_P Series (for Power Lines)
•Large current available up to 6A
Low
Small
(Less than 1A)
•AX(for general signal lines / power lines)
Rated Current
Large
(1A and more)
!Note
• 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 review our product specifications or consult the approval sheet for product specifications before ordering.
C31E.pdf
Mar.28,2011
14
BLp Series Introduction
A type: Impedance curve rises from low frequency range. Suppress noise in wide frequency range.
B type: Impedance curve rises sharply. Less damage to signal waveforms.
cComparison
of Impedance Curve
1200
900
Z (Ω)
BLM18BD601SN1
cComparison
of Resistance Element
1200
BLM18BD601SN1
900
R (Ω)
600
300
0
1
BLM18AG601SN1
600
300
BLM18AG601SN1
10
100
1000
1
10
100
1000
Frequency (MHz)
Frequency (MHz)
cComparison
of Test Effect (25MHz)
Test Circuit
29.7cm
Waveform test point
7cm
25MHz
OSC
74HC04
74HC04
1cm
Ferrite Bead
Pattern width 0.15cm
Line impedance 127Ω
74HC00
Both side glass epoxy PCB(ε4.7)
All of back side is GND PCB thickness=0.6mm
BLM_B Series has less damage to high speed signal waveform.
No filter
BLM18AG601SN1
BLM18BD601SN1 Small Distortion
Waveform
Spectrum
Spectrum has been reduced from low
frequency range.
Noise frequency has been reduced without
reducing signals of low frequency.
!Note
• 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 review our product specifications or consult the approval sheet for product specifications before ordering.
C31E.pdf
Mar.28,2011
15
Block Type EMIFILr
Chip Common Mode Choke Coil
Chip EMIFILr
0
Chip Ferrite Bead
•
Difference between BLM A type and B type (HG type vs HD/HB type)
BL
p
(Part Number)
Chip Ferrite Bead
M
w
18
e
AG
r
102
t
S
Part Numbering
N
1 D
tImpedance
Expressed by three figures. The unit is in ohm (Ω) at 100MHz. The
first and second figures are significant digits, and the third figure
expresses the number of zeros which follow the two figures.
yElectrode
BL
q
Chip Ferrite Bead
y u i o
qProduct
ID
Product ID
BL
wType
Code
A
M
eDimensions
(LgW)
Code
02
03
15
18
2A
21
31
41
Dimensions (LgW)
0.4g0.2mm
0.6g0.3mm
1.0g0.5mm
1.6g0.8mm
2.0g1.0mm
2.0g1.25mm
3.2g1.6mm
4.5g1.6mm
EIA
01005
0201
0402
0603
0804
0805
1206
1806
Type
Array Type
Ferrite Bead Single Type
Chip Ferrite Beads
Expressed by a letter.
Ex.)
Code
S/T
A
uCategory
Code
N
iNumber
of Circuits
Code
1
4
Number of Circuits
1 Circuit
4 Circuits
Category
Standard Type
Electrode
Sn Plating
Au Plating
Chip EMIFILr
rCharacteristics/Applications
Code
*
1
AG
AX
TG
BA
BB
BC
BD
PD
PG
PX
KG
SG
RK
HG
EG
HB
HD
HE
HK
GA
GG
for GHz Band High-speed Signal Lines
for GHz Band Digital Interface
for High-GHz Band High-speed Signal Lines
for High-GHz Band General Use
for Power Supplies (Low DC Resistance Type)
for Digital Interface
for GHz Band General Use
for GHz Band General Use (Low DC Resistance Type)
for Power Supplies
for High-speed Signal Lines
for General Use
Characteristics/Applications
BLM03/15
BLM18
BLM15/18
BLM03/15/18/21, BLA2A
BLM03/15
BLM03/15/18/21, BLA2A/31
BLM15
BLM03/15/18/21/31/41
BLM15
BLM18
BLM18/21
BLM03/15/18
BLM15/18
BLM15/18
BLM03/15/18
BLM18
BLM18
BLM15
BLM15/18
Series
BLM02/03/15/18/21, BLA2A/31
Block Type EMIFILr
Chip Common Mode Choke Coil
*
1
Frequency characteristics vary with each code.
oPackaging
Code
K
L
B
J
D
Packaging
Embossed Taping (ø330mm Reel)
Embossed Taping (ø180mm Reel)
Bulk
Paper Taping (ø330mm Reel)
Paper Taping (ø180mm Reel)
BLM21
*
1
/31/41
All Series
BLM03/15/18
*
3
/21
*
2
, BLA2A/31
BLM02/03/15/18/21
*
2
, BLA2A/31
Series
*
1
BLM21BD222SN1/BLM21BD272SN1 only.
*
3
Except BLM18T
*
2
Except BLM21BD222SN1/BLM21BD272SN1
!Note
• 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 review our product specifications or consult the approval sheet for product specifications before ordering.
Nowadays, almost all computer motherboards do not have serial ports. Now, programs are downloaded using USB. So is there any meaning for the serial port application of microcontrollers? Don't ICs have...
I used MSP430F5529 serial communication and found that if the default 1M clock is used, 115200 will lose data. I changed it to 4M clock. After testing, the serial data will not be lost after changing ...
[color=#FF0000]Hello everyone, I want the system to restart at a certain time every day, the environment is wince. I don't know how to achieve it? ? [/color]...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:05[/i][align=left][font=simsun][size=4][color=#000000][backcolor=white]I was surprised to see the comments from @it reporter Ji Yongqin...
Dual-mode inverters can operate both in conjunction with the grid and independently. These inverters can inject excess energy from renewable energy and storage devices into the grid, and withdraw p...[Details]
If the ultimate form of a car is a silicon-based life form, then in
the field of
intelligent driving
, it has gradually taken on the appearance of a "veteran driver." In
the field of
the ...[Details]
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
introduction
With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
summary
There are multiple approaches to making industrial systems more intelligent, including applying artificial intelligence (AI) technology at the edge and in the cloud to sensor...[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
Industrial computers with GPUs leverage powerful parallel processing to build deep learning models to analyze and respond to optical inputs. The systems develop an understanding of visual data to i...[Details]
With the support and encouragement of national policies, some Internet car manufacturers have also joined the new energy vehicle manufacturing industry. From the perspective of new car manufacturer...[Details]
With the gradual popularization of new energy vehicles in recent years, more and more people have been able to access and purchase electric vehicles. The structure of electric vehicles is composed ...[Details]
Nidec Precision Testing Technology Co., Ltd. will participate in "Testing Expo China—Automotive 2025" to be held at the Shanghai World Expo Exhibition and Convention Center from August 27 (Wednesda...[Details]
51mcu
京公网安备 11010802033920号
EEWORLD
