(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.
Want to find the latest video doorbell and network camera solutions for reference?
Or the prototype of the relevant solution has been finalized, what devices are suitable, cheap, easy to use, and what...
As the title and picture show, when drawing a schematic package, some parameters are usually filled in. However, in AD21, it seems that the value parameter is not easy to call out and fill in. As show...
Write at the beginning
Learning something new always brings a lot of new professional terms. Before learning something new, having a general understanding of the relevant professional terms can help u...
The DAC 's noise floor is affected by the sampling clock, its own thermal noise, digital noise, etc. Here, we want to test the effect of digital noise on the DAC's noise floor through experiments, esp...
【Content Introduction】
PolarFire SoC FPGAs offer secure boot out of the box. In this webinar, you will learn how to implement your own secure boot method using the secure non-volatile memory of these ...
Samsung's latest flagship Galaxy S20 Ultra currently only offers two color options - gray and black. Earlier, it was reported that Samsung is planning to provide users with more color options. ...[Details]
British market analysis company IDTechEx predicts that the global flexible electronics market is expected to reach $301 billion by 2028. In addition, IDTechEx has conducted research on wearable techn...[Details]
On August 25, GAC Group announced two important proposals. One was to agree to set up an independent battery company to carry out the industrialization of independent batteries. The total investment ...[Details]
After introducing the product performance and corresponding package pins of PIC 8-bit microcontroller, I think that beginners need to understand the meaning of each pin symbol before they can furt...[Details]
In the DOS era, having a gorgeous Chinese menu was a must-have for almost every high-end Chinese application. The emergence of the Chinese Windows operating system makes it very easy and convenien...[Details]
The orifice flowmeter is a circular plate with a hole in the middle installed inside the pipeline. The pressure difference of the steam before and after the orifice is measured and the steam flow rat...[Details]
Communication
The main component of
the switching power supply
is the high-frequency switching rectifier, which has gradually matured with the development of power electronics theory and technolo...[Details]
It's rare to have time, so I want to write about the basics of stm32 recently. 8 ways of GPIO 1. Floating input GPIO_IN_FLOATING ——Floating input, can be used for KEY recognition, RX1 2. ...[Details]
China's new energy vehicles began to pick up this spring. In order to promote automobile consumption, it was decided to extend the new energy vehicle purchase subsidy and purchase tax exemption polic...[Details]
Recently, industry research organization Bloomberg New Energy Finance (BNEF) released a 2019 global lithium-ion battery pack price survey report showing that the average price of global lithium-ion ...[Details]
Oscilloscopes have always been a widely used general-purpose equipment and instrument. They are called the eyes of engineers. They are measuring instruments used to observe changes in electrical sign...[Details]
For people who study electronics, setting test points on circuit boards is a natural thing, especially when there are too many electronic components to test one by one. But for people who study mechan...[Details]
Preface
Today, we live in an information age. The Internet has become an important part of the information society. Internet technology will penetrate into the electronic devices used in d...[Details]
The number of semiconductor chips used in automobiles has increased by a hundred times, and it is a key market that ARM is actively deploying. However, the disadvantage is that there is no unified ...[Details]
In the early hours of the day before yesterday, Apple brought the most disappointing system update in recent years. There is no screen-off display, no new UI design, no amazing black technology, only...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
