BLM21BB121SN1D Murata, BLM21BB121SN1D Datasheet - Page 199
![EMI/RFI Suppressors & Ferrites 0805 120 OHM](/photos/16/33/163388/lpmuratablm_sml.jpg)
BLM21BB121SN1D
Manufacturer Part Number
BLM21BB121SN1D
Description
EMI/RFI Suppressors & Ferrites 0805 120 OHM
Manufacturer
Murata
Series
BLM Br
Specifications of BLM21BB121SN1D
Shielding
Unshielded
Test Frequency
100 MHz
Product
Chip Ferrite Beads
Impedance
120 Ohms
Tolerance
25 %
Maximum Dc Current
200 mAmps
Maximum Dc Resistance
0.25 Ohms
Operating Temperature Range
- 55 C to + 125 C
Package / Case
0805 (2012 metric)
Termination Style
SMD/SMT
Dc Resistance Max
0.25ohm
Dc Current Rating
200mA
Ferrite Mounting
SMD
Ferrite Case Style
0805
Inductor Case Style
0805
No. Of Pins
2
Core Material
Ferrite
Rohs Compliant
Yes
Operating Temperature Min
-55°C
Resistance
0.25ohm
Operating Temperature Max
+125°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
BLM21BB121SN1D
Manufacturer:
MURATA
Quantity:
240 000
Part Number:
BLM21BB121SN1D
Manufacturer:
MURATA/村田
Quantity:
20 000
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BNX
o
!Note
1. Standard Land Pattern Dimensions
BNX022
BNX023
BNX024
BNX025
2. Solder Paste Printing and Adhesive Application
BNX022
BNX023
BNX024
BNX025
PCB Warping (for BNX02p)
When reflow soldering the
printing must be conducted in accordance with the
following cream solder printing conditions.
If too much solder is applied, the chip will be prone to
PCB should be designed so that products are not
subjected to the mechanical stress caused by warping
the board.
• 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.
Series
Block Type EMIFILr
oGuideline of solder paste thickness:
12.5
10.2
9.9
9.6
7.1
6.2
5.3
2.8
2.3
150-200 m
0
block type
12.5
10.2
9.6
7.1
5.3
2.8
2.3
0
PSG
Solder Paste Printing
PSG
B
B
EMIFILr, the
CG
CG
CG
SMD Type
CG
CB
CG
CB
CG
damage by mechanical and thermal stress from the PCB
and may crack.
Standard land dimensions should be used for resist and
copper foil patterns.
Products should be located in the sideways direction
(Length: a<b) to the mechanical stress.
(1) A double-sided print board (or multilayer board) as shown in
(2) This product has large rated current of 10A/15A. Please
(3) Please drop CG on a ground electrode on the back layer
(4) It is recommended to use a double-sided printed circuit
(5) The ground pattern should be designed to be as large as
Poor example
the left figure is designed, and please apply a soldering Cu
electrode with a product electrode to a "Land Pattern", apply
resist to a "Land Pattern + Solder Resist" at Cu electrode.
consider real current and make Cu electrode thick enough.
(Please design line resistance suitable for real current)
(the same also in a multilayer case) by the through hole. And
a surface grand electrode layer may also take a large area
as much as possible.
board with BNX mounting on one side and the ground
pattern on the other in order to maximize filtering
performance, multiple feed through holes are required to
maximize the BNX's connection to ground.
possible to achieve maximum filtering performance.
Soldering and Mounting
Adhesive Application
Land Pattern
+ Solder Resist
Land Pattern
Solder Resist
Good example
b
a
(in mm)
197
Mar.28,2011
C31E.pdf
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